Substance-related disorder

This study tested whether offering hepatitis C (HCV) treatment right at methadone clinics helps more people get cured compared to sending them to outside specialists. Over 600 adults on opioid addiction therapy took part across 13 clinics in Ukraine. Some clinics provided simplif…

Researchers are testing whether two dose combinations of metyrapone and oxazepam can help adults with cocaine addiction. The study enrolls 45 people aged 18 to 50 who want treatment and have cocaine in their system. Participants take the drugs or a placebo twice daily for six wee…

This study tests a structured, 8-week smoking cessation program delivered via weekly video group sessions. It enrolls adults addicted to nicotine who want to quit. Researchers track whether participants stay smoke-free six months after the program ends, and how their anxiety and …

This study tested a program that combines community-based fetal ultrasound with care navigation to help pregnant women with substance use disorder engage in prenatal care and substance use treatment. The program used motivational interviewing and strength-based education to suppo…

Researchers are testing a Spanish version of CANreduce, a web-based self-help program that uses cognitive behavioral therapy and motivational interviewing to help people reduce their cannabis use. The trial compares three groups: one gets the program plus psychological support, o…

This study tests a new program to help people with HIV who also use substances stick to their HIV medications and stay in care. The program teaches coping skills and ways to manage substance use. Researchers want to see if the program is practical and acceptable to participants. …

This study tests a program called MIAPP that adds a patient navigator, smartphone check-ins, and small rewards to usual care for people who start buprenorphine for opioid use in the hospital and also use methamphetamine. The goal is to help them connect to outpatient treatment wi…

This study tests different ways to bring mental health treatment into methadone clinics in Ukraine. 1,350 patients from 12 clinics are taking part. Some clinics get extra training and financial rewards to help screen and treat depression. The goal is to see if these strategies im…

This study tested whether giving rewards like gift cards can help Native American women quit smoking and lose weight. 125 women who smoked daily and were overweight or obese took part. They earned prizes for staying smoke-free and losing a half to one pound per week. The goal was…

This study tested a noninvasive brain stimulation technique (transcranial random noise stimulation) to see if it could reduce cravings in 225 adults with substance use disorder plus another psychiatric condition like ADHD, bipolar disorder, or schizophrenia. The approach targeted…

This study tests whether referring Veterans in early recovery from substance use disorder to work-focused programs (like supported employment) helps them stay sober and function better. About 100 Veterans will be randomly assigned to get the work referral or usual treatment alone…

This study tests whether gabapentin, an FDA-approved medication, can help restore the balance of key brain chemicals (GABA and glutamate) in people with bipolar disorder who also use cannabis. Participants are randomly assigned to receive either gabapentin or a placebo for 17 day…

This study tested a special program to help people with both bipolar disorder and substance use problems stick to their treatment after leaving the hospital. 178 adults were split into two groups: one received extra counseling and support, while the other got enhanced safety moni…

This trial tests whether regular checkups after release from jail can help people with opioid use disorder stay in treatment. Researchers will compare standard re-entry care with two versions of a Recovery Management Checkups program, one with monthly meetings for three months an…

This study tests whether starting alcohol use disorder treatment while still in the hospital helps people stay in treatment and drink less after they go home. 450 adults with moderate to severe alcohol problems will receive either a brief counseling session alone, or that session…

This pilot study looks at two strategies to help pregnant and postpartum people with substance use disorder stay in treatment. One strategy screens for social needs like housing or childcare and connects patients to support. The other offers rewards for recovery-supportive behavi…

This study tests a non-invasive brain stimulation technique called targeted temporal interference stimulation (tTIS) aimed at the caudate nucleus. The goal is to reduce drug cravings and improve decision-making in 60 adults with methamphetamine use disorder. Participants will rec…

This study tests a smartphone app called Re-Connect that locks access to fun apps like social media and games. To unlock them, you must pass a breath test showing you haven't smoked recently. Researchers want to see if this reward system is easy to use, acceptable, and helps peop…

This trial tests whether tailored SMS text messages can improve treatment attendance among justice-involved youth aged 13-18 who are referred to community-based substance use or dual diagnosis treatment. Participants receive either appointment reminders plus motivational messages…

This phase 3 trial compares two steroid schedules for severe alcohol-associated hepatitis, a serious liver condition with high death rates. One group takes prednisolone for 7 days followed by a placebo for 7 days, while the other takes prednisolone for the full 14 days. Researche…

This trial tests a web-based program called ePACE, which gives teens with mild to moderate substance use and mental health issues personalized choices about content and engagement. It compares ePACE to a fixed, non-tailored program (eFACE) and to a waitlist group. Researchers wil…

This study tested a mobile phone-based wellness program (WISH) to help veterans with HIV quit smoking. 234 participants were split into two groups: one received the WISH program, the other got standard care (quitline and text support). The goal was to see if the wellness program …

This trial tests a digital program designed to help people quit tobacco. Over 2,200 participants will use the program or receive usual care. The main goal is to see if the program helps people stop using their primary tobacco product for at least 30 days.

This study tests whether a rotigotine skin patch (Neupro), already approved for Parkinson's disease, can help people with cocaine use disorder cut back on cocaine use when combined with behavioral therapy. Forty adults aged 25 to 70 with moderate to severe cocaine use disorder wi…

This completed study tested a program called RISE (Resiliency in Stressful Experiences) for young men ages 18-35 leaving state prisons in Florida. The program combines trauma counseling with practical help like housing and job support. Researchers measured whether participants ha…

This trial tests whether a monthly injection of extended-release buprenorphine (Sublocade) helps people with opioid use disorder who use fentanyl reduce their opioid use more than the standard daily sublingual buprenorphine pills. Adults aged 18 to 65 with moderate to severe opio…

This study tests a refined computer alert that prompts emergency room doctors to order a consultation with an addiction counselor for patients with opioid use disorder. Researchers will enroll 300 adults with moderate to severe opioid use disorder who visit the ER. The goal is to…

This study tests a single 75-minute counseling session called CAMI, which is a motivational interview adapted for Latino/a immigrants who drink heavily. Researchers will train community health workers to deliver CAMI at a primary care clinic and follow 220 participants for 12 mon…

This study tests whether a smartphone app can help people with opioid use disorder stay drug-free. Participants use the app to submit video-recorded saliva drug tests, earn rewards for staying abstinent, complete therapy modules, and get support from a peer. The study involves 25…

This study looked at whether e-cigarettes or nicotine lozenges help people on methadone switch from smoking tobacco. 183 smokers were randomly assigned to use either JUUL e-cigarettes or nicotine lozenges for 6 weeks. Researchers measured nicotine exposure, lung function, and smo…

This trial tests whether guanfacine-ER, a medication currently used for ADHD, can help people with cannabis use disorder reduce their cannabis use. Participants will receive either guanfacine-ER or a placebo daily for several weeks, and their cannabis use will be tracked through …

This study tests whether the nicotine concentration in vape pods affects how well smokers can quit. 312 adult smokers who want to quit will use either low or high nicotine salt e-liquids for three months, plus receive counseling. The goal is to see if higher nicotine levels lead …

This trial tests whether letting smokers adjust their own nicotine patch dose—based on their smoking history and withdrawal symptoms—helps them stay smoke-free longer than the standard fixed-dose patch. Adult smokers who smoke at least 10 cigarettes a day and are motivated to qui…

This trial tests whether a 'learning health system'—a structured partnership between juvenile justice agencies and community mental health centers—can improve the full continuum of substance use care for youth involved in the justice system. The approach uses local data to identi…

This pilot study tests whether combining ketamine injections with talk therapy is a safe and acceptable way to treat moderate-to-severe methamphetamine use disorder in 17 publicly insured patients, some of whom have or are at risk for HIV. Participants receive three monitored ket…

This study tested whether N-acetylcysteine (NAC), an over-the-counter supplement, can help people who use both tobacco and cannabis quit both substances. Fifty-nine regular smokers who also used cannabis took either NAC or a placebo for 8 weeks. Researchers tracked how often they…

This trial tests whether repetitive transcranial magnetic stimulation (rTMS), a non-invasive brain stimulation technique, can help adults with alcohol use disorder when added to their usual treatment. Nine adults will receive 10 sessions of stimulation over the right frontal brai…

This study tests whether adding the sleep medication suvorexant to standard buprenorphine treatment can improve sleep and medication adherence in people with opioid use disorder who have recently used fentanyl. Participants first stay in a residential setting for five days to sta…

This trial tests whether a digital clinic, delivered through a smartphone app, can improve health outcomes for people with alcohol-associated liver disease (ALD) and alcohol use disorder (AUD). Participants' doctors are randomly assigned to refer them to this digital platform in …

This pilot study tests whether a coordinated care program can help people with alcohol-related liver disease access addiction and mental health services more easily. The program brings together liver specialists, addiction medicine, and psychiatry to streamline referrals and care…

This trial tests whether a probiotic called Weizmannia coagulans BC99 can improve liver function in people who have been heavy drinkers for at least a year. Participants take either the probiotic or a placebo daily for 60 days. Researchers measure changes in liver enzymes and gut…

This study tests whether a mobile phone app that tracks drug use and gives feedback can help people reduce risky drug use over 12 months. About 458 adults from community health centers in Southern California are taking part. They are split into three groups: one gets the mobile a…

This trial tests whether video-based teleconsultation counseling can help people stop smoking as effectively as traditional face-to-face clinic visits. About 68 adults who smoke will receive either teleconsultation or in-person counseling, with researchers tracking quit rates, cr…

This trial tests whether a structured psychoeducation program based on the solution-focused approach can improve self-efficacy, psychological well-being, and addiction outcomes in adults with substance use disorder. Participants who have completed detoxification are randomly assi…

This study tests a staged approach to help addiction treatment programs in Washington State increase their use of medications for opioid use disorder (MOUD). Clinics start with simple feedback reports and, if needed, move to more intensive support like workshops and coaching. The…

This trial tests whether a web-based app called Game Plan can help men who have sex with men reduce heavy drinking and sexually transmitted infections. Participants receive home HIV/STI self-testing kits and are randomly assigned to either a 24-hour helpline alone or the helpline…

This study tests whether offering financial incentives through a mobile phone app can help low-income adults quit smoking. 532 participants will receive either standard care (phone counseling and nicotine patches/gum) or standard care plus mobile rewards for verified abstinence. …

This trial uses brain scans to see whether 8 weeks of mindfulness-based group therapy changes how the brain processes reward, craving, and self-control in people with heroin addiction. About 157 adults on medication for opioid use disorder will be randomly assigned to mindfulness…

This study tested a special digital pill and smartphone app to help HIV-negative men who have sex with men and who also have substance use disorder take their daily HIV prevention medication (PrEP) consistently. Forty participants took a PrEP pill with a sensor that recorded when…

This study tests whether a virtual reality program, based on the transtheoretical model of behavior change, can help university students quit smoking. Participants will use VR goggles to practice coping skills in realistic scenarios. The goal is to see if this training boosts the…

This study tests a home-based parenting program called BRIGHT for pregnant women receiving treatment for opioid use disorder. The program starts in the third trimester and continues for six months after birth, focusing on the parent-child relationship, mental health, and infant d…

This study tests a smoking cessation program designed for adults with serious mental illness. Participants receive a combination of videogame-based physical activity, smoking cessation counseling, and the medication bupropion. The goal is to see if this approach is feasible and a…

This study tests two approaches to help people recently involved with the justice system start HIV prevention or treatment and substance use care. One group gets standard patient navigation; the other can choose from a menu of services including in-person clinics, a mobile health…

This study tests a care model where hospitalized adults with opioid use disorder and a serious infection receive long-acting injectable buprenorphine from their infectious disease doctors, alongside infection treatment. The goal is to keep patients on effective medication for opi…

This study tests whether offering peer support, small incentives, telehealth visits, or prepaid phones helps people with hepatitis C and substance use disorders get linked to medical care. Participants are adults in Appalachia who have tested positive for hepatitis C and have a h…

This study tests a text-message-based cognitive behavioral therapy (CBT) program called imFREE to help adults with opioid use disorder stick with their buprenorphine treatment and reduce opioid use. Participants receive daily text messages with CBT skills and relapse prevention t…

This study tests a 6-week group program called Indigenous Recovery Planning (IRP) for American Indian adults with alcohol or drug use disorder. The program is led by trained community members and includes culturally adapted exercises to prevent relapse. Researchers want to see if…

This study tests whether giving people rewards for passing breathalyzer tests can help them reduce or stop drinking. Adults who want to quit or cut back on alcohol will use a smartphone app to submit breath samples at set times. Those who consistently show zero alcohol get increa…

This study investigates whether a daily probiotic supplement containing Lactobacillus bacteria can help reduce alcohol cravings, withdrawal symptoms, and the severity of alcohol use disorder in adult men. Participants take either the probiotic or a placebo for 12 weeks, and resea…

This study tests whether adding a smartphone-based incentive program to standard counseling helps veterans with alcohol use disorder reduce heavy drinking. Participants use a mobile app to submit breath alcohol readings and earn rewards for abstinence. The trial compares this com…

This study tested a treatment called CPT-SMART that combines PTSD therapy, smoking cessation counseling, medication, and financial incentives to help veterans quit smoking. 120 veteran smokers with PTSD were randomly assigned to either the full program or a control group. The goa…

This study tested a program to help people with opioid use disorder stay on their medication after being hospitalized for serious infections like endocarditis or bone infections. Forty adults took part to see if the program was practical and helpful. The goal is to improve long-t…

This study tested whether brief or in-depth counseling could help people living with HIV in Zambia reduce unhealthy alcohol use and improve HIV treatment. 680 adults who were on HIV medication and had hazardous drinking plus mental health or substance use issues took part. Partic…

This study tests whether newborns with neonatal abstinence syndrome (NAS) who receive a high-calorie formula for two weeks gain weight better than those on standard formula. The babies are managed using the Eat, Sleep, Console approach. The main goal is to see how much weight the…

This study tests a 5-week community-based program that teaches protective behavioral strategies to reduce alcohol use in men aged 35–44 with hazardous drinking habits in rural Vietnam. Participants learn to set safe drinking limits, choose nonalcoholic drinks, and plan ahead, wit…

This study compares a fully automated digital screening and brief intervention (e-SBI) to the traditional in-person approach for reducing harmful alcohol consumption. Researchers will enroll over 500 adults from Brazilian public health clinics to see which method works better at …

This study tests whether a daily capsule containing fragments of a probiotic bacterium (L. rhamnosus) can reduce liver fat and improve blood markers in adults with metabolic dysfunction-associated steatotic liver disease (MASLD). Participants take either the supplement or a place…

This study tested whether offering smokers more frequent and personalized outreach, plus more treatment choices like nicotine patches and text support, helps more people quit compared to standard care. Over 12,000 adult smokers from 10 primary care clinics took part. The goal was…

This study tested whether giving buprenorphine treatment in group medical visits (instead of one-on-one) helps people with opioid use disorder stay abstinent and remain in treatment. Eighteen adults already on buprenorphine but still using opioids took part in weekly 90-minute gr…

This completed trial tested a new approach for opioid use disorder: shining a specific type of near-infrared light on the scalp for just 4 minutes. The idea is to stimulate a healthier side of the brain to reduce addiction. Researchers compared the active light treatment to a sha…

This study tested whether offering small gift cards for quitting smoking helps low-income smokers stay smoke-free. 320 uninsured or Medicaid patients received either standard care (counseling and medication) or standard care plus financial rewards for verified abstinence. The mai…

This study tested different ways to help daily smokers quit by comparing two medications (varenicline and nicotine patches/lozenges), how long to take them before quitting, how long to continue after quitting, and the level of counseling. Over 500 smokers from primary care partic…

This study tests whether virtual reality exposure therapy (VRET) can help men with alcohol use disorder reduce their psychological dependence on alcohol and prevent relapse. Eighty men who have completed detox will be randomly assigned to either VRET or standard treatment. VRET u…

This phase 2 trial tested whether cannabidiol (CBD) can reduce craving and anxiety in 76 adults with opioid use disorder who were already on opioid agonist therapy (like methadone). Participants took CBD or a placebo twice daily for 4 weeks, then all took a higher dose of CBD for…

This small pilot study tested whether giving spironolactone, a drug normally used for heart conditions, could help people with HIV reduce their alcohol use. Twenty-one participants received the drug along with support from a pharmacist and psychiatrist. The study focused on wheth…

This study tests whether measuring tobacco smoke exposure in children, using a simple blood test, can help parents quit smoking. About 865 parents of young children (12 or younger) who smoke will be enrolled. The goal is to see if this approach, combined with support, leads to mo…

This study tests whether a 15-week aerobic exercise program at the YMCA can help smokers who are highly sensitive to stress quit smoking. Participants work with a personal trainer three times a week and also receive support from a national quitline. The goal is to see if exercise…

This study tested whether a mobile health unit that offers HIV prevention, treatment, and medication for opioid use disorder all in one place helps people who inject drugs stay on treatment. About 447 adults with opioid use disorder took part. The goal was to see if this approach…

This trial tests whether a team-based approach, including a dedicated nurse care manager, can help primary care clinics provide medication treatment for opioid use disorder. The study involves 12 clinics across five U.S. states, with half using the new approach and half continuin…

This study tested a device called the Bridge, which uses mild electrical pulses to ease opioid withdrawal symptoms. 36 adults with opioid addiction were randomly assigned to get the active device, withdrawal medication (lofexidine), or a placebo. The goal was to see if the device…

This study tested whether a once-monthly injection of buprenorphine works as well as daily pills to treat opioid use disorder in 140 pregnant women. The goal was to see if the monthly shot could reduce illicit opioid use during pregnancy and after birth. Results help doctors choo…

This study tested whether a personalized talk with a pharmacist could help people take opioid painkillers for a shorter time. 100 adults with non-cancer pain in a hospital rheumatology ward took part. The goal was to see if the pharmacist's advice could keep opioid use closer to …

This study tested two different approaches to help people recently released from jail or prison get connected to care for HIV, hepatitis C, STIs, and opioid use disorder. Over 600 adults took part. The goal was to see which method worked better for starting and staying on treatme…

This study tested three different ways to help people living with HIV stop smoking. Over 670 patients from 13 HIV clinics in Hanoi took part. Nurses either referred patients to a quitline, provided counseling, or offered counseling plus nicotine gum. The goal was to see which met…

This study looked at different ways to help people with opioid use disorder start treatment. It compared usual care, patient navigation (help from a guide), and patient navigation plus starting buprenorphine right away. The goal was to see which approach gets more people into tre…

This study tested a telehealth program for 30 veterans who misuse alcohol and have high blood pressure or other heart risks. The program included four video therapy sessions to reduce drinking, a coaching call to plan heart-healthy steps, and daily text messages for a month. The …

This study looked at whether giving a special research e-cigarette to people who are stable on medication for opioid use disorder and smoke daily could help them smoke fewer regular cigarettes. 41 adults who weren't ready to quit smoking were randomly assigned to get the e-cigare…

This study tested whether a culturally adapted therapy called CMAP Plus is practical and acceptable for people with substance use disorder who also self-harm. The therapy combines problem-solving skills with motivational interviewing and was delivered weekly for 12 weeks. The tri…

This completed trial tested whether a combination of nutraceutical supplements and psychological support could lower GGT, a liver enzyme, in 197 adults with alcohol use disorder. Participants received liver-supporting supplements and counseling to reduce drinking. The goal was to…

This study tested whether offering medication for opioid use disorder (MOUD) via telehealth to women in jail helps them start treatment after release. 900 women across 9 Kentucky jails took part. Some also got a peer navigator for support. The goal was to see if these services in…

This early study tested a smartphone app that rewards people for staying sober. Participants submitted breath samples three times a day to prove they hadn't been drinking. The goal was to see if this approach is practical and helps people with alcohol use disorder. Only 12 people…

This study tested a program called the Transitions Clinic Network (TCN) for people leaving jail with opioid addiction. The program combines primary care, medication options, and a community health worker to address social needs. Researchers compared this to standard care and foll…

This study tested whether kudzu, an herbal supplement, can help people who binge drink reduce their alcohol use and related risky sexual behaviors. Researchers enrolled 120 sexually active adults who binge drink and are at high risk for HIV. Participants received either kudzu or …

This study tested a smartphone app called TECH designed to help court-involved teens reduce or stop using marijuana. The app is a private online community where teens can support each other anonymously. Researchers enrolled 60 teens aged 14-18 who had used marijuana in the past y…

This study tested a blended collaborative care model that uses telemedicine to integrate mental health treatment into primary care at smaller VA clinics serving rural veterans. Researchers enrolled 318 veterans who screened positive for depression, alcohol use disorder, or PTSD. …

This study tested whether a once-monthly injection (XR-BUP) works as well as daily pills (SL-BUP) for treating opioid use disorder in rural settings. 140 adults with moderate to severe opioid use disorder took part. The goal was to see if the injection is practical and acceptable…

This study tested whether people with opioid use disorder and severe injection-related infections can be safely treated at home with antibiotics and buprenorphine (a medication for opioid use disorder). 71 participants were enrolled. The goal was to see if this integrated approac…

This study tested whether adding a support person—like a family member or friend—to standard buprenorphine treatment helps people with opioid addiction stay in treatment longer. 439 patients and their support persons took part. The support persons learned CRAFT, a counseling prog…

This study tested a short, motivational counseling session for injured patients who drink alcohol, delivered in the emergency department in Tanzania. Over 600 adults took part, and the goal was to see if the intervention could reduce binge drinking and related harms. The approach…

This study tested whether giving people with alcohol dependence a one-month course of diazepam (40 mg per day) after detoxification could reduce the chance of relapsing into drinking within the next three months. The standard detoxification treatment is usually about one week. Th…

This study looked at whether switching from regular cigarettes to either low or high wattage e-cigarettes changes smoking behavior and reduces exposure to harmful chemicals. 372 daily smokers who were not planning to quit were given e-cigarettes to use freely for 12 weeks, then c…

This study looked at whether providing mental health care to people who inject drugs can improve their mental health and reduce their risk of getting HIV or hepatitis C. Over 500 participants in Haiphong, Vietnam, received free psychiatric consultations, medications, and support …

This study tested whether a pharmacist-led program could help people leaving jail get treatment for opioid use disorder and prevent overdoses. Participants received overdose training, Narcan nasal spray, counseling, and referrals to medication treatment after release. The goal wa…

This phase 3 trial tested whether a single injection of radioactive lipiodol (Lipiocis) into the liver artery could prevent hepatocellular carcinoma from coming back after surgery or ablation. The study enrolled 73 adults with cirrhosis and one or two liver tumors that had been s…

This study tested a 12-month telephone-based nurse care program for 805 adults with depression and signs of opioid use disorder. Participants were randomly assigned to receive nurse support or usual care. The goal was to see if the program could improve treatment for opioid use a…

This study tested a program called RIMO that helps people who recently survived an opioid overdose get into medication-assisted treatment (MAT). The program uses motivational interviewing and support to encourage people to start and stay on MAT. Researchers worked with first resp…

This completed Phase 4 trial tested a new way to start oral opioid addiction therapy for people who use fentanyl. Participants received medically supervised IV fentanyl until comfortable, then were given tailored doses of methadone or slow-release oral morphine. The study enrolle…

This study tested a new injectable medication called INDV-6001 in 123 adults with moderate to severe opioid use disorder. The goal was to see how the drug moves through the body, if it is safe, and how well people tolerate it. Participants received multiple doses, and researchers…

This study tested whether a gentle brain stimulation technique called tDCS, combined with cognitive training, could improve thinking skills and reduce relapse in veterans with alcohol use disorder. 45 veterans received either real or sham tDCS during cognitive exercises. The goal…

This study tested whether giving adults with chronic pain discounted vouchers for medical cannabis soft-gel capsules could help them reduce their opioid painkiller use. 270 participants were randomly assigned to receive vouchers for placebo or cannabis capsules with different THC…

This pilot study tested a program called 'Nudges to Quit' that sends encouraging messages to people with serious mental illness who smoke. The goal was to see if these messages could help them start smoking cessation treatments like counseling or medication. The study involved 59…

This study looked at whether giving doctors a simple urine drug test in their office helps people stay on buprenorphine treatment for opiate addiction. About 42 patients starting buprenorphine with their family doctor took part. The goal was to see if these tests improve treatmen…

This study tested a simple, low-cost program to help adults stop using tobacco in busy community health centers in Mumbai, India. Nearly 4,700 participants received either brief advice from trained health workers or usual care. The program used a mobile app and WhatsApp to suppor…

This study tested whether a smartphone app designed for people with serious mental illness can help them quit smoking better than standard methods. Researchers enrolled 343 adults with conditions like bipolar disorder or schizophrenia who wanted to quit. Participants used either …

This pilot study tested a program where trained peer recovery specialists meet regularly with patients starting medication for opioid use disorder. The goal was to see if the program is practical and acceptable to patients. 13 adults took part, and the results will help design a …

This study tested a mobile app designed to help nursing students who smoke change their attitudes and reduce their smoking. Forty-three students used the app, which sent reminders and educational content. Researchers measured changes in smoking intention, attitudes, and decision-…

This study tested whether giving small rewards for attending treatment and providing negative alcohol tests helps people with alcohol use disorder stay sober. 74 adults in outpatient treatment were randomly assigned to standard care or standard care plus rewards. The goal was to …

This pilot study tested whether paraprofessional coaches (with or without their own history of substance use) can help young adults aged 18-26 who have been involved with the justice system reduce their opioid and other drug use. The coaches used a combination of prize-based rewa…

This study looked at whether adding computer-based cognitive behavioral therapy (CBT4CBT) and peer recovery coaching to standard buprenorphine treatment helps reduce illicit drug use. 92 adults with opioid use disorder were randomly assigned to receive buprenorphine alone, bupren…

This study tested whether ibudilast, a drug that reduces brain inflammation, can help people addicted to methamphetamine. 176 participants took either ibudilast or a placebo for 6 weeks. Researchers used brain scans and thinking tests to see if the drug improved brain function an…

This completed trial tested a workplace program designed to teach young employees (ages 16-24) skills like goal-setting, stress management, and communication. Over 1,100 workers from participating stores took part. The goal was to see if the program could improve job satisfaction…

This study tested whether a technique called Episodic Future Thinking (EFT) — where people vividly imagine positive events in their future — could help reduce drinking in 154 adults with alcohol use disorder. Participants either practiced EFT or recalled past events (control), th…

This study tested different combinations of counseling, rewards, and text reminders to help people on methadone therapy reduce methamphetamine use and improve HIV outcomes. 667 participants from methadone clinics in Vietnam took part. The goal was to find the best approach to sup…

This study tested a pill called cytisinicline, made from a plant compound, to see if it helps adults stop using nicotine e-cigarettes. 160 daily vapers took either the drug or a placebo for 12 weeks, along with brief counseling. The main goal was to see if more people could quit …

This study tested a structured emotional regulation program for adults in residential rehab for substance use. The program combined techniques from behavior therapy, dialectical behavior therapy, and acceptance and commitment therapy over 11 weekly sessions. Researchers compared …

This study tested whether combining virtual reality mindfulness sessions with cognitive bike exercises could reduce the risk of relapse in people hospitalized for alcohol addiction. 135 patients were split into two groups: one received standard care, the other added six VR mindfu…

This study tested whether a gentle brain stimulation technique called tDCS could help people with alcohol disorder stay sober. 90 participants who had already stopped drinking received either real or fake tDCS sessions. Researchers then checked if the real stimulation helped them…

This study tested a mindfulness program designed for women in residential treatment for substance use disorders. The program, called Mindfulness-Based Relapse Prevention for Women (MBRP-W), teaches stress management skills to help women stay in treatment and avoid relapse. Resear…

This completed study tested whether reducing loneliness through group therapy could lower opioid misuse in 102 adults on long-term opioids for chronic pain. Participants received either cognitive behavior therapy or social navigation in weekly sessions. Researchers measured chang…

This early-stage trial tested whether a one-time infusion of donor stem cells is safe for people with both alcohol use disorder and major depression. Thirty-one participants received either the stem cells or a placebo. The main goal was to check for serious side effects, like sui…

This study tested different ways to help people living with HIV quit smoking. Participants received nicotine replacement therapy (like patches or gum), the medications varenicline or bupropion, and financial rewards for staying smoke-free. The goal was to see if these approaches …

This study looked at whether early liver transplantation can help people with severe alcoholic hepatitis who did not get better with medical treatment. Researchers compared alcohol relapse rates in 284 patients who received early transplants to those transplanted after a 6-month …

This study tested whether adding an antibiotic (amoxicillin-clavulanic acid) to the usual steroid treatment could improve survival in people with severe alcoholic hepatitis. About 300 adults at high risk of death within two months took part. The goal was to see if the antibiotic,…

This study tested whether semaglutide, a drug used for diabetes and weight loss, can safely reduce alcohol drinking in people with alcohol use disorder. 80 adults took either semaglutide or a placebo, and researchers tracked how much they drank over several weeks. The goal was to…

This study tested whether peer recovery coaches in emergency departments can help people with substance use disorders connect to treatment and support. 144 adults were randomly assigned to get in-person coaching, coaching via video call, or just a list of resources. Researchers f…

This study looked at whether giving buprenorphine treatment directly at syringe exchange programs helps people with opioid addiction more than sending them to a community health center. About 100 syringe exchange participants in New York City took part. The goal was to see if sta…

This study tested whether a once-monthly injection of extended-release buprenorphine helps hospitalized patients with moderate to severe opioid use disorder stay in treatment better than usual care (like daily pills or methadone). Over 300 adults were randomly assigned to receive…

This study tested a program called iSTRIVE for 42 adults with HIV who also use opioids or stimulants and were not well engaged in HIV care. The program combined emotion regulation and communication skills training with video check-ins and small rewards to encourage daily HIV medi…

This study tested a program to help people with mental illness quit smoking. The program included brief advice from their mental health provider and phone calls offering support. Researchers enrolled 94 daily smokers from community mental health centers and measured how many quit…

This study tested a program that provides dedicated care navigation to people with methamphetamine use disorder. The goal was to help them enter and stay in addiction treatment, and to prevent overdoses. 192 adults from the Denver Health system who had a methamphetamine-related v…

This study tested a 4-session program called PARTNER for young men who have sex with men (ages 18-29) and are in a relationship. The program uses motivational interviewing and video exercises to improve communication about drug use, PrEP (HIV prevention pills), and safer sex. 196…

This study tested whether a trained peer recovery specialist could help low-income, minority individuals stick with their methadone treatment for opioid use disorder. 200 participants in Baltimore were assigned to either the peer-led support program or standard care. The goal was…

This study tested a phone-based program called MommyCheckup to see if it helps pregnant women who drink alcohol cut back or stop. The program includes a short motivational video and tailored text messages. Researchers enrolled 384 pregnant women across three states to see if the …

This study tested whether a combination of two extended-release medications (naltrexone and buprenorphine) could help adults reduce cocaine use. Over 400 people who wanted to cut back or quit cocaine took part. The approach uses monthly injections to manage cravings and use, aimi…

This study looked at whether juvenile probation officers can deliver a behavioral program called Contingency Management to teens on their caseload who have drug problems. The program uses rewards and counseling to encourage teens to stop using drugs. Researchers measured drug use…

This study tested a program where people living with HIV who use stimulants (like methamphetamine) could earn rewards for staying drug-free and taking their HIV medications. 37 adults took part in a primary care clinic. The goal was to see if this reward system was practical and …

This study tested whether a team-based care model can help people with both opioid use disorder and mental health issues like depression or anxiety. 254 adults in primary care received either full collaborative care for both conditions or just mental health support. The goal was …

This study tested a mindfulness program for 392 women in prison who have alcohol use disorder. The goal was to see if mindfulness training could reduce alcohol cravings, drinking, and criminal behavior after release. The program targets mental habits that often lead to relapse an…

This study tested whether combining a brain stimulation technique called theta burst stimulation (TBS) with the medication N-acetylcysteine (NAC) could reduce cocaine cravings and brain responses to cocaine-related images. Thirty-two adults with cocaine use disorder participated.…

This study tested a program that pairs peer support with a mobile app to help Hispanic and Black people with HIV stay on treatment. 309 participants were randomly assigned to the program or standard care. The goal was to see if the program helps more people achieve an undetectabl…

This study tested a digital pill and smartphone app to help people with substance use disorders take their HIV prevention medication (PrEP) consistently. Thirty HIV-negative men who have sex with men and have moderate to severe substance use disorder participated. They used a dig…

This study tested whether offering hepatitis C treatment at the same clinic where people receive opioid therapy leads to better outcomes than referring them to a separate infectious disease clinic. About 298 people on opioid therapy with chronic hepatitis C took part. The goal wa…

This study tested a brief counseling program delivered by pharmacists to help people who take prescription opioids and also drink alcohol. The program combined medication review with motivational interviewing to encourage safer use. Researchers enrolled 112 adults and measured ch…

This study tested a 12-session telehealth counseling program for young people aged 18-29 living with HIV. The program used text messaging and video calls to help them stay engaged in care, manage mental health, and reduce substance use. Fifty participants were enrolled to see if …

This study tested whether the drug baclofen, typically used for muscle spasms, can help people with alcoholism reduce their drinking. Over 300 adults who wanted to cut back or quit took either baclofen or a placebo for a year. The main goal was to see if more people on baclofen a…

This study tests whether a wearable home sleep apnea device called WatchPAT200 can accurately detect central sleep apnea in people who take narcotic medications. Participants wear the device during an overnight lab sleep study, and results are compared to the standard in-lab test…

Heavy drinkers who need a breathing machine in intensive care often become agitated, which can lead to pulling out tubes, falling, or harming themselves or staff. This Phase 3 trial tests whether baclofen, a drug that calms the nervous system, can prevent these dangerous events b…

Researchers at the University of Washington are adapting a brief narrative therapy session for use in a low-barrier primary care clinic that serves people experiencing homelessness in North Seattle. The study enrolls 64 adults who have had at least one therapy appointment at the …

About 25% of people who have knee replacement surgery develop persistent pain that can last for months. This trial tests whether taking a CBD-dominant oil before and after surgery can reduce that risk. Researchers will randomly assign about 40 adults to receive either CBD oil or …

Researchers are testing whether a four-week group program can help people who inject drugs and are in methadone treatment reduce their risk of HIV. The program teaches skills like cleaning needles and using condoms, and it is compared with a support group that does not focus on t…

Researchers are testing WorkWell, a mobile program designed to prevent prescription opioid misuse among construction workers and nurses. The app includes lessons on opioid risks, pain management alternatives, and how to talk with doctors. Participants answer questions about their…

This study tested new ways to prevent opioid misuse and addiction in teens and young adults (ages 16-30) who visited the emergency department. Participants received support starting in the ER and continuing through telehealth after they went home. The goal was to find the most ef…

This study tested whether a new personalized feedback program helps young adults ages 18-25 reduce risky alcohol and drug use. Researchers enrolled 660 participants across the U.S. and measured changes in drinking, drug problems, and readiness to change. The goal is to prevent su…

This study tests whether a single counseling session aimed at reducing stigma can help Black men who have sex with men and use substances stay on PrEP, a daily pill that prevents HIV. Participants receive the counseling and are monitored for PrEP adherence through biological test…

This study tested a simple checklist and peer coaching program for people who inject drugs and are hospitalized with serious infections. The goal was to see if these tools could help start HIV prevention medication (PrEP) and addiction treatment. Sixty HIV-negative adults with op…

This trial tests whether a comprehensive, community-wide strategy can reduce opioid overdose deaths by 40% in 67 communities hardest hit by the crisis. The approach, called Communities That HEAL, brings together local leaders, healthcare, justice, and community groups to implemen…

This study tested a program where trained peer navigators (women with similar experiences) helped women in the criminal justice system access HIV prevention services like PrEP. The goal was to reduce stigma and improve linkage to care. Thirty women participated, and the study mea…

This trial tests a program designed for Latino fathers to help them reduce risky sexual behaviors, substance abuse, and domestic violence, and improve communication with their sons. The program combines two behavioral interventions: one that teaches fathers about HIV prevention a…

This trial tests a school-based curriculum called Smart Talk, designed to reduce cannabis use and intentions among middle and high school students. Over five lessons, the program targets misperceptions, refusal skills, stress, and coping. Researchers will measure whether students…

This study tested a program called TACUNA plus Wellness Circle, designed to prevent opioid misuse among American Indian and Alaska Native young adults aged 18-25 in California. The program uses motivational interviewing and traditional practices in virtual workshops. Researchers …

This study is developing and testing a smartphone app designed for Native American women to help them avoid pregnancy affected by alcohol. Researchers will gather feedback and pilot test new features with 407 women who are at risk. The goal is to reduce risky drinking and improve…

This study tested a program called PRE-FAIR to prevent opioid and methamphetamine addiction in young parents (ages 16-30) already involved with Oregon's child welfare system. 240 parents who were at risk but not yet addicted were randomly assigned to either the PRE-FAIR program o…

This study looked at whether omega-3 supplements (fish oil) could help pregnant women who smoke have healthier pregnancies and possibly smoke less. About 237 pregnant smokers took either omega-3 pills or a placebo. The goal was to see if the supplements could reduce preterm labor…

This study tested whether a mobile app (GeoPassport), financial incentives, and peer mentor support could help men who have sex with men and transgender women leaving jail access HIV prevention services like PrEP and testing. 233 participants were enrolled and followed for 9 mont…

This study tested a smartphone app designed to help people recovering from alcohol dependence avoid relapse. The app uses a training game to change unconscious habits that make people reach for alcohol. 600 participants used either the active training or a placebo version. The go…

This study tested a 45-minute classroom program called UP2UTobacco for 9th graders. The goal was to help students quit or avoid tobacco and nicotine products, including e-cigarettes. Nearly 600 students took part, and researchers checked if the program led to more teens being tob…

This study tested a single online session called webCHAT to see if it could reduce impaired driving among teens. 198 adolescents aged 15.5 to 17 who were enrolled in driver education took part. The program aimed to help them make safer choices about alcohol, cannabis, and driving…

This study tested whether anti-vaping and anti-smoking ads on social media can prevent tobacco use in young adults ages 18-24. Researchers randomly assigned 2,800 participants to see different amounts of digital ads and measured their vaping and smoking habits over 30 days. The g…

This small pilot study tested an 8-week mindfulness and meditation program in 3 adults with substance use disorders. Participants reported lower stress and improved mindfulness after the program. One person stayed sober long-term, while two relapsed within a year. The study shows…

This study tested whether a program designed specifically for women who use drugs could help them reduce their risk of HIV and other sexually transmitted diseases. 501 women were randomly assigned to receive either standard counseling, standard counseling plus a well-woman exam, …

This study tested a program called Trust-based Relational Intervention (TBRI) to prevent opioid and other drug use in 250 teens aged 15-18 who were leaving juvenile justice facilities. Each teen worked with a trusted adult to build supportive relationships. The goal was to see if…

This study tested two strategies to prevent HIV among young couples (ages 18-30) in Cape Town who use alcohol or drugs. One strategy was a community workshop to reduce stigma around HIV and drug use. The other was a couples program that provided HIV testing and counseling to help…

This study tested a culturally adapted mobile health program called Mobile CHOICES to help urban American Indian and Alaska Native young women (ages 16-20) avoid drinking alcohol during pregnancy. The goal was to reduce the risk of Fetal Alcohol Spectrum Disorders, which cause li…

This study tested whether giving homeless young people (ages 18-24) a place to live plus support services could help them avoid developing opioid use disorder. 240 participants who were homeless but did not yet have opioid addiction were randomly assigned to receive either housin…

This pilot study is testing a smartphone app called Mindful Journey that teaches mindfulness skills. The goal is to see if it is practical and acceptable for adults who are in treatment for opioid use disorder and also have chronic pain. Ten participants will use the app for 8 we…

Researchers at a smoking cessation clinic in Turkey tested whether adding WhatsApp messages to routine care helps people stop smoking. Adults who smoked at least one cigarette a day and used WhatsApp most days joined the study. Everyone received standard clinic support, and half …

Researchers at Hanoi Medical University are studying whether methadone clinics can effectively screen, treat, and keep people with methamphetamine use disorder in care. The trial enrolls 60 adults who test positive for meth but not opioids. Participants receive counseling and inc…

This study tested whether a non-invasive brain stimulation technique called theta burst stimulation (TBS) could help reduce cravings and improve symptoms in people with methamphetamine use disorder. Twenty-two adults in Indonesia who had not yet received treatment were given TBS …

Researchers are testing whether a five-module internet-based treatment program with therapist support works as well as the same treatment given face-to-face in specialized addiction care. The trial enrolls adults in Stockholm County who drink harmfully or show signs of alcohol de…

This study tests whether taking a probiotic supplement for four weeks can reduce alcohol cravings and improve thinking, mood, and gut health in people with alcohol use disorder. 38 participants are randomly assigned to receive either the probiotic or a placebo, and neither they n…

This study tested whether a virtual reality experience where people see an avatar of their future self could help those in early recovery from opioid use disorder reduce drug use and stay abstinent. 104 participants were split into a VR group and a control group. Researchers meas…

This trial compares two ultrasound-guided nerve blocks—erector spinae plane block and paravertebral block—for pain relief after minimally invasive chest surgery (VATS). The goal is to see which method better preserves lung function, as measured by breathing tests, and reduces the…

This study tests a smartphone app that sends personalized messages to help people quit smoking. The messages are triggered by real-time data like location and stress levels, offering coping strategies when urges strike. Seven participants will use the app for 45 days to see if it…

This study tested whether providing overnight infant care and parenting support helps new mothers with substance use disorder living in residential treatment programs. 41 mothers participated, and researchers measured how many enrolled, completed the program, and gave feedback. T…

Researchers are testing MDMA-assisted therapy in military veterans who have both alcohol use disorder and post-traumatic stress disorder. The treatment combines two monthly therapy sessions with the drug MDMA, along with preparation and follow-up counseling. The study measures ch…

Researchers are testing whether cognitive behavioral therapy for insomnia (CBT-I) can help returning veterans who drink heavily. The trial enrolls veterans deployed after September 11, 2001, who have insomnia and at least one heavy drinking episode in the past month. Participants…

This study tests whether a buprenorphine patch can reduce withdrawal symptoms when pregnant women with opioid use disorder start sublingual buprenorphine treatment. Forty participants will receive either a real patch or a sham bandage during the initial withdrawal period. Researc…

This study tests whether adding trauma-informed coping strategies and peer coaching to a standard mobile brief intervention helps young adults (ages 18-25) who drink heavily and have experienced interpersonal trauma reduce their alcohol use. 225 college students will be randomly …

This early-stage study tests whether diclofenac, an FDA-approved painkiller, can reduce alcohol cravings in people with alcohol use disorder. Researchers believe diclofenac may work by shifting brain chemistry away from harmful effects of alcohol. The study involves 24 adults who…

This pilot study tests whether a single session of narrative therapy, a type of talk therapy, can help reduce depression and anxiety in people living with HIV. Researchers will enroll 64 adults from a primary care HIV clinic to see if the therapy is acceptable, feasible, and bene…

This study tests a phone-based sleep therapy for people who have insomnia and drink alcohol in ways that could harm their health. The therapy adapts standard insomnia treatment to also address alcohol-related thoughts and behaviors. Researchers will first refine the approach with…

This study tests whether a 4-week breathing muscle training program can improve lung function, reduce shortness of breath, and lessen cravings in people with substance use disorder. Thirty-four adults receiving inpatient treatment will either do breathing exercises with a device …

This study looks at whether a combination of over-the-counter pain relievers (like ibuprofen and acetaminophen) can control pain after wisdom tooth removal just as well as, or better than, prescription opioids. About 1,800 people having their wisdom teeth removed will be randomly…

This study tests whether showing people in early recovery from alcohol use disorder personalized, high-intensity images of future events can help them prefer delayed rewards and increase their interest in treatment. Twenty-one participants will be split into two groups: one recei…

This pilot study tests a brief intervention for people with HIV who take five or more medications and drink alcohol. A clinical pharmacist will have one-on-one conversations using motivational interviewing to discuss how alcohol can interact with medications and worsen symptoms. …

This study looked at whether a sleep medication called suvorexant can improve sleep and reduce stress in people recovering from opioid addiction. About 138 participants on medications like methadone or buprenorphine were given either suvorexant or a placebo for 8 weeks. The goal …

This pilot study tested whether a mindfulness program could help veterans with chronic pain and thoughts of suicide. 76 veterans took part to see if the program was acceptable and could reduce pain, depression, and suicide risk. The goal was to improve quality of life and daily f…

This trial tests whether an educational video shown through virtual reality (VR) glasses and a mobile app can help breastfeeding mothers stop smoking. About 76 mothers with babies aged 0-6 months who smoke will be randomly assigned to either watch the VR and app-based education o…

This pilot study is testing whether a one-time, 45-minute virtual reality (VR) session guided by an AI coach can help people with chronic pain who also misuse opioids. The session includes a check-in, pain coping skills training, and a stress reduction exercise. The study involve…

This pilot trial tests whether adding microcurrent neurofeedback (MCN) to standard residential treatment helps adults with substance use disorder more than standard care alone. MCN uses scalp sensors to deliver barely perceptible electrical pulses tailored to each person's brain …

This trial tests whether a pectoral nerve block using the anesthetic bupivacaine can reduce pain and opioid use in adults receiving a cardiac implantable electronic device (CIED). Participants are randomly assigned to receive either the nerve block or a placebo injection. The stu…

This study looks at whether oxytocin, a natural hormone, can boost the effects of a special talk therapy for veterans who have both alcohol use disorder and PTSD. About 175 veterans will get either oxytocin or a placebo along with therapy. The goal is to see if oxytocin helps the…

This study tests whether blocking the smell of cigarette smoke can reduce a smoker's desire to smoke. Participants wear a mask that delivers odor samples and rate how pleasant the smell is and how much they want to smoke. The goal is to see if odor blockers could become a new aid…

This study tests four virtual coaching sessions to help veterans with chronic pain use their own cannabis products more effectively. Participants will learn strategies to manage pain and related symptoms. The goal is to see if this coaching improves pain relief and satisfaction.

This pilot study tests whether a short, evidence-based therapy called Written Exposure Therapy (WET) can help reduce PTSD symptoms in adults who are in residential treatment for substance use disorders. Participants complete five guided writing sessions about their trauma. The st…

This study tests a group program that combines mindfulness and art therapy for adolescents with a history of abuse. The program aims to improve how teens see their bodies and reduce feelings of shame. Participants attend sessions that include meditation, creative art activities, …

This study tested whether a digital mindfulness app is practical and acceptable for people in early recovery from substance use disorders. 36 participants were randomly assigned to standard group therapy alone or standard therapy plus the app for 8 weeks. The main goal was to see…

This study tested whether a simple computer task, called the Approach Avoidance Task (AAT), could help smokers quit. The task aims to change automatic, unconscious thoughts that make people want to smoke. 52 daily smokers who wanted to quit took part. Researchers measured changes…

This study tested whether a computer joystick task that trains people to avoid smoking-related images can help them quit smoking when added to standard care. 96 daily smokers who wanted to quit participated. The training aimed to change automatic, unconscious tendencies to approa…

This study investigates whether an 8-week yoga program can help female smokers manage stress and nicotine withdrawal when trying to quit. Participants attend two 60-minute yoga sessions per week and provide hair and saliva samples to measure stress hormones. The goal is to see if…

This study tests whether adding the blood pressure medication propranolol to cognitive processing therapy (a type of talk therapy) helps people with both post-traumatic stress disorder (PTSD) and alcohol use disorder. About 48 adults aged 18 to 70 with both conditions will receiv…

This study tested whether osteopathic manual therapy (a hands-on treatment) could reduce symptoms of alcohol withdrawal in hospitalized adults. 26 patients were enrolled and their withdrawal symptoms were measured using standard questionnaires. The goal was to see if adding osteo…

This study tested a type of group therapy called Resilience-Oriented Therapy (RoT) for adults in Rwanda who were struggling with mental health issues like trauma, depression, anxiety, or anger. 427 people took part, and the therapy was tailored to each person's main problem, such…

This study tested a 6-week mindful self-compassion program for homeless women with PTSD and substance use. The program includes meditation, group discussions, and home practices. Researchers compared the program to usual care in 202 women living in a residential drug treatment fa…

This pilot study tests whether a nerve block called the serratus anterior plane (SAP) block can reduce pain and opioid use after heart surgery. Fifty adults having valve or bypass surgery through a chest incision will receive either the numbing drug ropivacaine or a placebo throu…

This study tested a new type of counseling called behavioral activation problem solving (BAPS) against standard smoking cessation counseling for people with HIV in Botswana. 651 participants were split into two groups to see which approach helped more people quit smoking. The goa…

This completed trial tested a program called REDOCVR for 174 adults with chronic pain. The program combines group education, emotional support, and virtual reality experiences to help people reduce their pain medications. Researchers measured changes in medication use, mental wel…

This small pilot study tested a culturally adapted group therapy called Emotional Awareness and Expression Therapy (EAET) in 6 Israeli adults with chronic musculoskeletal pain who also use medical cannabis. The goal was to see if the therapy could reduce pain and improve emotiona…

This study tested whether a smartphone app could help people with PTSD quit smoking and avoid starting again. Participants received counseling, stop-smoking medications, and rewards for not smoking, plus the app. The goal was to see if the app made it easier to stay smoke-free co…

This study looked at 626 full-term babies with neonatal opioid withdrawal syndrome (NOWS). Doctors compared two ways of giving medicine: one where babies get medicine at set times, and another where they only get medicine when they show withdrawal signs. The goal was to see which…

This study tested whether a curcumin supplement (NatureU Cheers Friends Curcumin) could reduce hangover symptoms in 12 healthy adult men. Participants took either the curcumin or a standard hangover product before drinking alcohol, then reported their hangover severity the next m…

This study tested a 6-session therapy called Acceptance and Commitment Therapy (ACT) for cancer patients at risk of opioid misuse. 40 adults with cancer and a high score on an opioid risk tool participated. The goal was to see if the therapy was feasible and acceptable, not yet t…

This study tested whether a type of brainwave training called neurofeedback could help people with alcohol use disorder feel more confident about staying sober and improve mindfulness. Seventeen adults took part: some received 24 sessions of neurofeedback over 8 weeks, while othe…

This study tested whether adding a personalized therapy scale to standard treatment helps reduce cravings in people with substance use disorders or behavioral addictions like gambling. 151 adults seeking outpatient care participated. The approach aimed to tailor treatment to each…

This study tested whether a short, trauma-focused therapy called Narrative Exposure Therapy (NET) can help low-income urban teens aged 16–25 who have PTSD from violence and are at risk for substance use. Researchers measured changes in PTSD symptoms and alcohol use. The goal was …

This study tested a combination of a smartphone breathalyzer, a blood alcohol estimator app, and a brief counseling session to help young adults ages 18-25 drink more moderately. Twenty-four participants used the tools for two weeks while drinking. The goal was to see if the tech…

This study tested a web-based program that combines cognitive behavioral therapy and pain self-management for people being treated for opioid use disorder who also have chronic pain. The program includes online lessons and daily text surveys to track pain and activity. Researcher…

This study tested a traditional Chinese herbal drink called Tiaozhong-Yiqi Decoction (TZYD) in 80 adults with substance withdrawal syndrome. Half took the herbal medicine twice daily for 3 months plus routine care, while the other half received only routine care. The goal was to …

This study tested whether slowly reducing prescribed opioids (tapering) can help people with long-term chronic pain use fewer painkillers without worsening their pain or quality of life. 140 adults on daily opioids for chronic non-cancer pain were randomly assigned to start taper…

This study looked at whether a short sleep therapy program (BBTI) can improve sleep and help people stay in treatment for substance use disorders. About 83 adults living in a residential recovery program took part. They wore sleep trackers, completed surveys, and did sleep diarie…

This study looked at 46 adults having spinal surgery to find out if giving a pain-relieving nerve block (ESP block) before or after surgery works better. The goal was to see which timing reduces opioid use and improves recovery. Results will help anesthesiologists choose the best…

This early-phase trial tested whether deep transcranial magnetic stimulation (dTMS) targeting specific brain regions is safe and tolerable for people with moderate-to-severe cannabis use disorder. Twelve adults who used cannabis at least four days per week received the stimulatio…

This pilot study tested whether adding protein supplements twice a day could reduce cravings in 28 people hospitalized for addiction. Participants spent one week with protein and one week without, rating their cravings on a simple scale. The goal was to see if a simple dietary ch…

This study tested whether tailored online writing exercises could help sexual minority women, transgender, and nonbinary people who have experienced trauma. The goal was to reduce PTSD symptoms and heavy drinking. 131 participants completed the writing program and were followed f…

This small study tested a structured mindfulness program for adults with both substance use disorder and anxiety. Three participants completed the program to see if it was feasible and could help reduce stress and anxiety. The study focused on emotional awareness and coping skill…

This study tested whether the drug acetazolamide can improve sleep-disordered breathing in 39 adults with chronic pain who use opioids. Participants took either the drug or a placebo for one week each. The goal was to see if the pill could reduce sleep apnea events as an alternat…

This study tested whether a nerve block placed near the breastbone after heart surgery can reduce the need for opioid painkillers. 340 adults having heart surgery through a standard chest incision were randomly assigned to receive either the numbing drug ropivacaine or a saltwate…

This study tested whether a single dose of the antibiotic minocycline, given before guided memory recall, could reduce the strength of intrusive memories in people with PTSD or cocaine use disorder. 138 participants took either minocycline or a placebo and then imagined a persona…

This study looked at whether adding a low-dose ketamine infusion to standard pain medication can help people who just had knee replacement surgery. One hundred adults were randomly assigned to get either standard pain relief alone or standard relief plus ketamine through a patien…

This study tested whether transcranial magnetic stimulation (TMS) can help smokers quit by reducing cravings and preventing relapse. 88 adults who had failed previous quit attempts received daily TMS sessions for a week, followed by maintenance sessions. The goal was to see if th…

This study tested a behavioral program called IMPROVE to help college students who drink heavily and feel anxious. The program teaches skills to handle anxiety and uncertainty without turning to alcohol. Forty students took part, and researchers checked if the program was easy to…

This study tested whether real-time brain scans (fMRI) could help 21 adults with alcohol use disorder learn to control their cravings. Participants practiced shifting their brain activity toward future goals instead of alcohol. The goal was to see if this mental training could re…

This study tested whether peer-led therapy sessions could ease depression and anxiety in people recovering from opioid use disorder in rural areas. Forty adults receiving medication for opioid use disorder took part, with some getting extra support from a certified peer specialis…

This study tested whether a non-invasive brain stimulation technique called rTMS could reduce tobacco cravings in heavy smokers who had already failed multiple quit attempts. 39 highly nicotine-dependent adults received either real or fake rTMS to a brain region linked to craving…

This study tested whether adding virtual reality (VR) to standard smoking cessation treatment helps people quit. 74 smokers who wanted to stop received nicotine patches and either usual counseling or VR-enhanced therapy. The goal was to see if VR could reduce cravings and improve…

This study tested whether inhaling lemongrass (as a vapor or from an inhaler) could reduce nicotine dependence and improve health markers in 200 adult smokers aged 18–30. Participants used lemongrass products or nothing (control) and provided blood samples and questionnaires. The…

This small pilot study tested whether cannabis oil (with different ratios of CBD to THC) could help with insomnia in people who also have major depression. Fourteen adults took either a high-CBD oil, a low-CBD oil, or a placebo for a short time. The main goal was to see if a larg…

This study tested a program called TOPPS for people taking buprenorphine for opioid addiction who also have chronic pain. The program uses counseling and education to help patients manage pain and avoid turning to substance misuse. 163 adults from primary care clinics took part, …

This pilot study tested a mobile app called iCanChange in 100 young adults (ages 18-35) with psychosis and cannabis use disorder. The app uses motivational interviewing and cognitive behavioral therapy techniques through short interactive modules. The main goal was to see if the …

This study tested a mobile app called Support2Quit that uses a psychological technique called cognitive dissonance to help people stop smoking. The study enrolled 437 adult smokers who wanted to quit. Researchers measured how many people stopped smoking and how much they reduced …

This study tested an 8-week cognitive training program delivered via telehealth for veterans recovering from alcohol use disorder. The goal was to see if the program was feasible and acceptable to participants. Nineteen veterans took part, and the study focused on recruitment, re…

This study tested different ways to help people on medication for opioid use disorder do more yoga to manage their chronic pain. 192 adults who had been in treatment for at least 3 months took part. The goal was to see which combination of support methods helped them practice yog…

This study compared methadone to standard opioids like fentanyl for pain relief during and after outpatient surgery. Over 900 adults aged 18-65 having moderately painful procedures took part. The goal was to see if methadone could reduce the total amount of opioids patients used …

This study tested a program called "Choizitaconso" that teaches people with alcohol use disorder how to control their drinking and reduce harm. About 110 adults took part, learning skills to manage their alcohol use and avoid negative consequences. The goal was to see if the prog…

This study looked at whether medical cannabis can reduce nerve pain and inflammation in people with HIV. Thirty-five adults with HIV and neuropathic pain used different ratios of THC and CBD over 14 weeks. Researchers measured changes in pain severity and blood markers of inflamm…

This study tested a new web-based tool called LDART that provides daily social support to people who drink heavily and want to cut down. Each night, users set a goal for the next day and check in the following night to see if they met it, receiving encouraging messages from the r…

This study tested a mobile app called STAMP+CBT for advanced cancer patients with chronic pain. The app helps patients track their pain, mood, and opioid use while providing tailored education and cognitive behavioral therapy (CBT) exercises. Fifty-two patients used the app for 4…

This study tested a workshop called STEP-Home for 221 post-9/11 Veterans who had trouble reintegrating into civilian life. The workshop taught skills like emotional control, problem solving, and attention to improve daily function and reduce anger. It was designed as a non-stigma…

This small, early-stage study tested whether a dietary supplement called palmitoylethanolamide (PEA) could help people with opioid use disorder feel less stress, craving, and pain. Twelve adults already on stable medication for opioid use took PEA or a placebo for three weeks. Th…

This study tested a smartphone app called OKquit to help smokers quit. About 500 adults who wanted to stop smoking were split into two groups: one got standard helpline support plus daily check-ins, and the other got that plus the OKquit app. The goal was to see if the app helped…

This small pilot study tested whether a 12-week supervised walking program could help middle-aged adults with opioid use disorder reduce pain and improve mobility. Only 6 people took part, and the main goal was to see if such a program was feasible—whether people would join and s…

This pilot study tested whether a daily dose of EGCG, a natural compound found in green tea, could improve cognitive performance in 36 children aged 7 to 14 with fetal alcohol syndrome. The children took EGCG for one year and had their thinking skills measured at the start, at 6 …

Researchers at the American University of Beirut are studying whether the rate at which an e-cigarette emits nicotine, called nicotine flux, predicts how much nicotine reaches the body and how users feel. About 142 adult dual users of e-cigarettes and tobacco will use devices wit…

This study looks at how the labels and marketing claims on cannabis products affect what people think about the product's risks and effects. About 2,000 adults in states where recreational cannabis is legal will answer online survey questions after viewing a cannabis advertisemen…

This study looked at 23 adults going through alcohol detox to see how the bacteria in their mouth and gut change over time. Researchers collected stool and mouth samples along with diet and mood questionnaires. The goal was to better understand the link between gut bacteria, anxi…

This study looked at whether people with alcohol dependence or a history of early life stress have more trouble learning to feel calm after a scary event. Researchers used brain scans, mild electric shocks, and genetic tests to understand these differences. The goal was to learn …

This completed study looked at how genes influence addiction and related behaviors. Researchers collected blood samples and had 847 adults (healthy volunteers, smokers, drug users, and people with psychiatric disorders) complete questionnaires and computer tasks. The goal was to …

This study tested a computer-assisted method for people to self-administer alcohol intravenously, aiming to achieve precise blood alcohol levels for research. 229 healthy volunteers aged 21-45 took part in sessions where they could give themselves alcohol infusions using a comput…

This study aims to create and improve cognitive tasks used during functional MRI scans to better understand how drugs affect the brain. It involves 525 healthy volunteers, including both drug users and non-users, aged 18 to 65. Participants perform tasks like memory tests or reac…

This study looked at how nicotine affects brain activity and genes in smokers and non-smokers. Researchers used brain scans and genetic tests to understand why some people find it harder to quit smoking. The goal was to find biological markers that could predict quitting success …

This study tested whether portable devices like PDAs and GPS units can give a more accurate picture of stress and drug use as it happens. About 373 adults in treatment for heroin addiction carried these devices for 16 weeks, recording drug use and stress levels. The goal was to s…

This completed study looked at how a person's neighborhood environment might influence drug use, addiction, and whether they seek treatment. Over 1,600 adults from Baltimore took part, including people who never used drugs, past users, and current users. Researchers collected hea…

This study tested a brief, computer-based personalized feedback program for adults with chronic pain who drink heavily and take prescription opioids. The program was designed to educate participants about the risks of mixing alcohol and opioids and to motivate them to reduce drin…

This study measures two blood proteins, LRFN5 and OLFM4, in people with methamphetamine use disorder, those with methamphetamine-induced psychosis, and healthy volunteers. Researchers want to see if these markers are linked to inflammation and symptom severity. The study involves…

This study tested whether a remote, telehealth approach can work to study how cigarette filter ventilation (the tiny holes in the filter) affects smoking behavior and exposure to harmful chemicals. 64 adult smokers participated from home, using their own devices for video visits …

Researchers are studying how a full-spectrum medicinal cannabis plant extract with very low THC, called NTI164, moves through the body of healthy adult volunteers. The trial measures how much of the drug reaches the bloodstream and how much leaves the body in urine over up to 28 …

This study looks at how Salvation Army staff can help people who smoke learn about and use free quit-smoking services, like the Wisconsin Tobacco Quit Line. Researchers will train staff to offer a short survey that gives feedback on smoking risks and treatment options. The goal i…

This completed study looked at how 53 young adults (ages 21-34) who regularly vape perceive and react to e-cigarettes containing a new substance called metatine (6-methyl nicotine). Researchers measured how the body processes metatine, puffing behavior, sensory experiences, and a…

This completed study looked at how opioid use disorder changes dopamine signaling in the brain. Researchers used PET and MRI scans to compare people with opioid use disorder (some on medication, some not) to healthy volunteers. The goal was to understand differences in dopamine r…

This study looks at how stress changes the way opioid painkillers work in people with chronic back pain. Researchers will give participants oxycodone, a pain blocker, or a placebo in a lab setting to measure pain relief and drug liking. The goal is to understand why some people m…

This study tests whether telling Taiwanese university students their ALDH2 gene type, which affects alcohol intolerance, changes their drinking habits and attitudes. Participants receive their genotype results along with standard health education about alcohol risks. Researchers …

This study follows 100 adults who drink alcohol at least weekly and have some interest in cutting back. Researchers want to see how alcohol use, suicidal thoughts, and decision-making are linked. Participants get access to a self-guided online cognitive behavioral therapy program…

This study looked at how adults who smoke cigarettes daily or only some days might react if certain tobacco products were no longer available. Researchers created a pretend online store where participants could shop for cigarettes and other nicotine products under different rules…

This pilot study is testing a program called Tiwahe Tewichaglapi, which adapts the Family Acceptance Project for Lakota 2SLGBTQ+ youth and their caregivers. The goal is to see if the program is acceptable, safe, and feasible, and to check if it helps reduce depression, anxiety, a…

This study looked at how nalmefene, a drug that blocks opioid receptors, changes brain activity and drinking behavior in heavy drinkers. Thirteen healthy heavy drinkers took nalmefene or a placebo and had brain scans while seeing alcohol-related cues. They also could self-adminis…

This study tested whether regular support calls can help veterans who are not ready to quit smoking to eventually stop. Over 500 veterans received either four calls a year (enhanced care) or one call a year (standard care). The goal was to see if more calls led to more quit attem…

This study tested whether showing people in early recovery from alcohol use disorder personalized, high-intensity images of future events could help them think more about long-term rewards and increase their interest in treatment. Fifty-eight participants were split into two grou…

This study looked at how sleep quality and beliefs about sleep affect the risk of relapse in people recovering from alcohol dependence. Researchers followed 198 adults as they left inpatient rehab and returned home, measuring sleep with questionnaires and activity monitors. The g…

This study used brain scans to see if heavy drinking causes inflammation in the brain and how that affects memory and thinking. 74 adults aged 30-75, including heavy drinkers and healthy volunteers, had PET and MRI scans along with thinking tests. The goal was to measure brain in…

This study looks at how different warning labels on cannabis edibles packaging change what people know, how safe they think the product is, and whether they want to try it. About 1,250 adults in the U.S. will view packages with different warnings and answer questions. The goal is…

This study investigates whether sleep duration and timing influence nicotine dependence, cravings, and withdrawal differently in Black and white smokers. Researchers will compare daily smokers and non-smokers, monitoring sleep with an Actiwatch and having participants undergo a s…

This study looks at whether older adults (55+) in methadone treatment for opioid use disorder can use smartphone-based cognitive games to track and possibly improve their thinking skills. Thirty participants will play short brain-training tasks twice a day for 15 days. The main g…

This study gives people with Cannabis Use Disorder drugs that mimic stress to see how it affects their desire for cannabis. Researchers measure brain activity and decision-making during four lab visits. The goal is to understand the link between stress and cannabis use motivation…

This study is testing whether epigenetic changes in newborn blood can serve as a biomarker for fetal alcohol spectrum disorder (FASD). Researchers will collect umbilical cord blood at birth and heel stick blood at 48 hours from 600 newborns, and compare these with blood alcohol l…

This study explores how transcranial magnetic stimulation (TMS) changes brain activity in people with and without heavy alcohol use. Researchers will use magnetoencephalography (MEG) to measure brain signals before and after TMS. The goal is to gather early data to support future…

This study follows 1600 adults with opioid use disorder over the long term by collecting monthly online surveys and yearly phone interviews. Researchers will track substance use, mental health, treatment involvement, and daily functioning. The goal is to better understand how peo…

This completed study worked with 65 African American/Black adults who use cocaine or other illicit substances to develop a manual called I-DREM. The goal was to gather their feedback on how to improve recruitment and retention in substance use disorder clinical trials. Participan…

This study looked at whether flavor chemicals in e-cigarettes can make them more addictive by changing brain function. 36 regular tobacco users (ages 21-60) had their brain activity measured while vaping, and their puffing behavior was tracked over 10 days. The goal was to unders…

This study explores whether compounds in cannabis, like THC and CBD, can reduce inflammation and improve how the body responds to insulin. Researchers will measure blood markers of inflammation and insulin sensitivity in people across the weight spectrum, both after a single use …

This study investigates how three weeks of cannabis abstinence influences brain responses to threat, reward, and cannabis cues in women with cannabis use disorder. Participants are randomly assigned to either continue using cannabis as usual or abstain for three weeks, with lab v…

This study tests a new mobile app that uses an avatar guide to help young adults (ages 18-29) who struggle with binge drinking and suicidal thoughts. The goal is to see if the app is easy to use and if people will stick with it. Ten participants from the emergency department will…

This study looks at how different e-cigarette flavors appeal to adults who have opioid use disorder and are on buprenorphine treatment. Participants will smell and rate 11 flavors for sweetness, coolness, strength, and how likely they'd use them again. The goal is to find flavors…

This trial tests whether a communication training program for primary care doctors can improve how they discuss pain with patients and manage opioid prescriptions. Doctors are randomly assigned to receive the training or standard guidelines. Researchers then record patient visits…

This pilot trial tests whether adding social contact — personal stories and interactions with people who have mental illness — to standard mental health training can reduce stigma among primary care workers in Nepal. About 88 healthcare providers and their patients will take part…

This trial investigates whether smoking or vaping cannabis increases the frequency of premature atrial and ventricular contractions — early or extra heartbeats that can feel like skipped beats. Over 14 days, regular cannabis users will be randomly assigned to consume or avoid can…

This study tests a CE-marked mobile app that scans a person's eyes to detect whether they have used certain drugs. Healthy volunteers will take a common medicine that mimics the effects of cannabis or amphetamines, then use the app to see if the eye measurements change. The goal …

This study will test if a new technology tool is helpful for people living in supportive housing who also have substance use issues. The tool includes videos and rewards to teach life skills and coping strategies. Researchers want to see if residents find it easy to use and if it…

This study looks at how sleep and body clock disruptions impact the brain's reward and impulse control systems in teenagers. Researchers will monitor sleep, brain activity, and decision-making in 100 healthy high school students. The goal is to understand why poor sleep may incre…

This study looked at how much injectable drug is prepared but not used in operating rooms across France. Over 3,700 patients were included. The goal was to measure waste and find ways to reduce it, helping the environment and improving healthcare practices.

This study looked at how much intravenous (IV) medication is wasted in intensive care units (ICUs) across France. Researchers measured the amount of prepared but unused drugs thrown away, which can harm the environment. Over 1,000 patients took part, and the goal was to find ways…

This study follows adults in Zambia who have both HIV and chronic hepatitis B to track liver health over up to 10 years. Researchers aim to understand how current HIV treatments affect hepatitis B and liver damage, and to identify factors that lead to serious outcomes like liver …

This study looked at how three psychological treatments—cognitive therapy, mindfulness meditation, and behavioral activation—might help adults with chronic pain reduce their use of opioid medications. Researchers enrolled 91 people with chronic pain who were at risk of opioid mis…

This study looks at 65 veterans with PTSD who use cannabis frequently. Researchers want to see if reducing cannabis use improves their daily functioning, mental health, and quality of life. No treatment or drug is given—participants simply report their cannabis use and well-being…

Sleep problems affect up to 90% of people with alcohol dependence and often lead to relapse. This study tests whether a short questionnaire called the Short Sleep Index (SSI) can reliably measure sleep quality compared to a longer, standard sleep questionnaire. Researchers will a…

This study looked at 180 people with liver cancer (hepatocellular carcinoma) who also had cirrhosis caused by either fatty liver disease or alcohol use. Researchers compared immune cells and gut bacteria in the liver to understand why cancer develops. The goal was to gather knowl…

This completed study in Norway looked at how opioids like morphine, oxycodone, and fentanyl affect patients' mood and pain right before surgery. Over 1,000 healthy adults scheduled for day surgery answered questions about anxiety, relaxation, and pain after receiving a small dose…

This study tests whether recalling a positive memory can improve mood and decision-making in 80 adults recovering from methamphetamine use disorder. Participants will do computer tasks and brain scans before and after remembering a happy event or a neutral memory. The goal is to …

This study tested a program designed to make medication for opioid use disorder more culturally appropriate for American Indian and Alaska Native communities. Researchers worked with four healthcare sites to help them better support patients starting and staying on these medicati…

This study looked back at the records of 652 patients who were seen in the emergency department of a French hospital and then referred to a special addiction liaison team. The goal was to understand the social and medical backgrounds of these patients. The findings could help hos…

This study followed 326 adults in Zambia with chronic hepatitis B for up to 5 years. Researchers tracked how the virus behaves, how many patients need treatment, and how many develop serious liver problems like cirrhosis or liver cancer. The goal was to better understand the dise…

This completed study looked at 59 men who have sex with men and use methamphetamine. Researchers used a program that gives rewards for drug-free urine samples to help them cut back. They measured inflammation in the rectum and tracked STI/HIV risk behaviors over 8 weeks. The goal…

This study investigates whether chronic cannabis use impairs contrast sensitivity — the ability to see objects clearly against their background, especially when they are moving. Researchers will compare three groups: cannabis addicts, tobacco-only smokers, and non-smokers. Partic…

This study looked at whether chewing gum before eating ice cream affects how much people eat. Twenty normal-weight adults who liked mint chocolate chip ice cream took part. They either chewed mint, cinnamon, or no gum before a computer task where they earned ice cream. The main g…

This study looked at whether combining two existing drugs—duloxetine (an antidepressant) and methylphenidate (an ADHD medication)—could reduce the desire to drink alcohol in people with alcohol use disorder. Nineteen adults who were not seeking treatment participated in a lab set…

This study tested a training program for prenatal healthcare providers to help them use medication-assisted treatment (MAT) for opioid use disorder during pregnancy. Researchers looked at data from over 1,000 patients to see if the program increased use of MAT and improved health…

This completed study examined how African American and white male smokers respond to stress and how that affects their smoking habits. Researchers used a psychological stress test and measured daily cortisol patterns to understand biological differences. The goal is to learn why …

This study combined brain imaging with real-world data from mobile devices to explore how addiction affects the brain. Researchers scanned the brains of 107 people with alcohol, cannabis, or nicotine dependence, along with healthy controls. They also tracked cravings and daily fu…

This study looked at how different labels on vaping devices (like 'contains nicotine' or 'high potency') affect teens' interest in trying them, their views on health risks, and what effects they expect. Over 3,000 high school students viewed images of vaping devices with various …

This study used artificial intelligence to analyze personality and behavior data from 155 adults in residential treatment for substance use disorder. The goal was to find hidden subtypes of addiction that could lead to more personalized treatment. No treatment was given; the stud…

This study tested whether a mobile app could help people on probation or parole who are receiving treatment for substance use disorder. 31 adults used the app alongside their usual care. Researchers measured how easy the app was to use and how satisfied participants were with it.

This observational study looked at how legal cannabis use changes alcohol drinking habits, gut bacteria, and brain function in people who regularly use both alcohol and cannabis. 77 heavy drinkers who also smoke cannabis took part, providing blood and stool samples and completing…

This study looked at how different types of cannabis affect memory and brain waves in 96 healthy adults who use cannabis regularly. Participants did a memory task after smoking cannabis and again on a sober day, while their brain activity was recorded with EEG. The goal was to se…

This study looked at how the supplement n-acetylcysteine (NAC) affects brain glutamate levels and drug cravings in 12 people who use both opioids and cocaine. Participants were given either NAC or a placebo while on a steady dose of hydromorphone, and then underwent brain scans a…

This study looked at how two hormones that rise during pregnancy—estradiol and cortisol—affect the way the body breaks down THC, the main active ingredient in cannabis. Fourteen healthy women of childbearing age took part. Researchers measured THC levels in the blood after taking…

This study tested a special parenting program (mABC) for pregnant women recovering from opioid addiction. 174 mothers and their babies took part. The program focuses on helping mothers be more sensitive and nurturing, which could improve the baby's emotional and physical developm…

This study tested a smartphone app called CampusGANDR that uses a game about college life to give students personalized feedback on their drinking habits. Over 1,100 first-year college students in California and Texas played the game for 12 weeks. Researchers measured changes in …

This study looked at whether using regular patient surveys to guide treatment can help people with opioid use disorder stay in treatment and stop using opioids. Researchers worked with 35 clinic leaders and providers to train them on this approach. They compared patient attendanc…

This study looks at how alcohol use disorder (AUD) might reorganize the way the brain links words and ideas. Researchers will compare 30 AUD patients and 30 healthy controls using word-association tasks and brain tests. The goal is to see if these mental patterns can help predict…

This study tested a group well child care program for mothers in treatment for opioid use disorder and their infants. Instead of standard one-on-one checkups, mother-infant pairs attended group visits together from 1 to 18 months of age. The goal was to see if this approach impro…

This study involved 440 daily smokers and dual users (smokers who also vape) to understand how price changes affect their choices between cigarettes and other nicotine products like e-cigarettes, nicotine pouches, and heated tobacco. Participants completed a simulated shopping ta…

This study looked at how consistent FibroScan, a non-invasive device that measures liver stiffness and fat, is when used by different operators on different days. 108 adults with fatty liver or alcohol-related liver disease had multiple scans and blood tests over two visits. The …

This study looked at the best ways to bring FDA-approved digital treatments (reSET and reSET-O) for opioid and other substance use disorders into primary care clinics. Over 18,000 adults who screened positive for substance use took part. Researchers tested whether health coaching…

This study looked at how a single dose of methamphetamine affects the HIV virus in people who are already on effective HIV treatment. Fourteen HIV-positive adults with no history of meth use took part. The goal was to see if meth causes the virus to become more active and increas…

This completed study looked at how regular cannabis use affects brain health and thinking skills in people with HIV and those without. Researchers used brain scans, blood and spinal fluid tests, and thinking tasks to compare 276 participants. The goal was to understand the combin…

This small, early-phase study tested whether a single dose of sedatives like ketamine, midazolam, or dexmedetomidine could reduce cigarette cravings and smoking in 20 daily smokers. Participants received one of these drugs or a placebo (saline) and reported their cravings, withdr…

This study looked at how nicotine is absorbed and affects the body when using a standardized research e-cigarette compared to a person's usual brand e-cigarette. Thirty-two regular e-cigarette users participated in a crossover study where they used both types. Researchers measure…

This completed study from the University of Hong Kong looked at 110 cannabis users aged 16-60 to see how their thinking skills change over time and if genes play a role. Participants took memory and thinking tests and gave blood for genetic analysis. The goal is to understand lon…

This completed Phase 1 study at UCLA looked at how smoking cannabis with different amounts of THC and CBD affects drug levels in oral fluid and blood, as well as thinking and feeling. Nineteen adults who use cannabis occasionally took part. The goal was to better understand how t…

This study looked at whether a program called MISSION-CJ can help homeless veterans who have both substance use and mental health problems stay out of trouble with the law. 134 veterans took part, and researchers tracked arrests, substance use, housing, and employment. The goal w…

This study looked at 385 adults diagnosed with their first lung or head & neck cancer to see how many continued using tobacco or alcohol over the next year. Researchers tracked smoking and drinking habits, as well as how long patients lived without the cancer getting worse. The g…

This study looked at pregnant women being treated for opioid use disorder with two different forms of buprenorphine: a monthly shot and a daily tablet. Researchers measured drug levels in the mother's blood and checked the baby's heart rate to see how each treatment affected both…

This study looked at 71 babies born to mothers who took either a monthly injection or a daily tablet of buprenorphine for opioid use disorder during pregnancy. Researchers measured the babies' thinking, language, and motor skills using a standard child development test. The goal …

This study looked at how negative emotions and stress influence alcohol use in 81 women veterans, including those with PTSD. Researchers measured cravings, heart rate, and drinking patterns, and also examined how these effects change across the menstrual cycle. The goal was to be…

This completed study surveyed 3,100 adults in Slovakia to find out how many people have mental disorders like depression, anxiety, PTSD, or addiction. Researchers used a standard interview tool to measure current and lifetime rates, and looked at who gets help and who doesn't. Th…

This completed study in Slovakia examined how psychological factors like resilience, stress, and positive thinking relate to the body's immune system. Researchers measured immune markers in blood and compared them to mental health questionnaires in 700 adults, including people in…

This study tested whether a set of strategies—including community teamwork, tech-based training, and peer support—could improve HIV testing and substance use care for people about to be released from jail. Researchers worked with 65 incarcerated individuals in one New York county…

This completed study looked at 574 hospitalized adults with end-stage liver disease to see if alcoholic patients had the same chance of getting on the national liver transplant waiting list as non-alcoholic patients. The goal was to find out if non-medical reasons limit access fo…

This study looked at whether a questionnaire called the Behavioral Activation for Depression Scale (BADS) is a good tool for measuring depression-related behaviors in people with substance use disorders. Researchers analyzed answers from 289 adults receiving treatment for substan…

This study looked at ways to prevent tuberculosis (TB) in Malaysian prisoners, many of whom also had HIV, opioid addiction, or hepatitis. Researchers compared a standard 40-week TB prevention treatment with a shorter 12-week option. The goal was to see which approach worked bette…

This study looked at whether cannabis use affects sperm quality in infertile men. Researchers compared sperm samples from 71 men who used cannabis and those who did not. They measured sperm DNA health and other factors to see if cannabis might be linked to fertility problems.

This study tested a Spanish-language electronic screening tool called TAPS-ESP to identify tobacco, alcohol, prescription drug, and illicit substance use in primary care. About 1,000 Spanish-speaking adults from a clinic participated. The goal was to see if the tool accurately de…

This study looked at 125 young adults aged 18-25 to understand what makes someone more likely to binge drink. Researchers used brain scans, genetic tests, and thinking skill assessments to find patterns. The goal is to identify risk factors and improve prevention efforts.

This study looked at over 5,000 adults in Zambia to find out how many have hepatitis B and how many need treatment. Researchers tested people in their homes and then did more tests on those who tested positive. The goal was to gather information, not to test a new treatment or cu…

This study explored whether adding mindfulness training to physical therapy is practical for people with long-term muscle and joint pain who also take opioid painkillers. Researchers developed a training manual for physical therapists and tested different ways to teach them mindf…

This completed study looked at how thinking skills (like flexibility and self-control) and social understanding (like reading emotions) are connected to alcohol use disorder. Researchers tested 216 people using puzzles, eye-tracking, and brain scans. The goal was to find early wa…

This study looked at 188 children (ages 0-18) with Fetal Alcohol Spectrum Disorders (FASD) in Reunion Island to better describe the condition and find a unique "epigenetic signature" in their DNA. Researchers collected blood and cheek swabs from a small group of children with FAS…

This study looked at whether a strong sense of 'presence' during virtual reality therapy could help people with alcohol dependence manage cravings and avoid relapse. Sixty abstinent patients who had recently completed withdrawal treatment took part. Researchers measured craving l…

This study tested a new way to help addiction treatment clinics use an AI platform that coaches counselors in evidence-based techniques. Researchers worked with 479 leaders and staff from state agencies and clinics in Oregon and Indiana. The goal was to see if this strategy impro…

This study tested a patient decision aid designed to help adults with opioid use disorder choose the best medication-assisted treatment for them. Over 7,500 people took part, and researchers tracked their drug use, treatment retention, and health outcomes for up to 24 months. The…

This study tested a program where trained peer providers help young people with early psychosis reduce or stop using alcohol and drugs. 113 participants from coordinated specialty care teams took part. The goal was to see if the program could be delivered as planned and whether i…

This completed study surveyed 55 men who have sex with men who use psychostimulants (like synthetic cathinones) during sex. Researchers used a questionnaire called G-STAT during a regular addiction clinic visit to see if hypersexuality is caused by the drugs or existed before. Th…

This study looked at whether thinking about financial scarcity changes how people with alcohol use disorder value alcohol and make decisions. 124 adults who wanted to cut down on drinking listened to either a story about scarcity or a neutral story. Researchers then measured thei…

This study looked at whether adults with ADHD are more likely to relapse into drinking after completing a detox program. Researchers followed 113 people for 12 weeks, using interviews and questionnaires to assess ADHD and other mental health conditions. The goal was to see if ADH…

This study looked at how young adults with bipolar disorder respond to alcohol compared to healthy people. Sixty participants aged 21-26 completed brain scans and surveys after drinking alcohol or a placebo. The goal was to understand differences in brain activity and feelings of…

This completed study surveyed 257 adults with sickle cell disease to understand how they use painkillers at home, including opioids and cannabis. Researchers wanted to find out how common opioid addiction is in this group. Patients answered a one-time questionnaire at three speci…

This study compared two simple questionnaires—the MoCA and the BEARNI—to see which one better detects cognitive problems in people with alcohol use disorder. Researchers tested 90 patients and compared the results against a full set of standard neuropsychological tests. The goal …

This study looked at how the COVID-19 pandemic impacted the mental health of 501 nursing home workers in Occitanie, France. Researchers measured rates of post-traumatic stress disorder (PTSD), depression, and burnout using standard questionnaires. The goal was to understand how c…

This study looked at how two brain networks—one that controls impulses and one that reacts to alcohol cues—interact in people with alcohol use disorder. Using a powerful 7 Tesla MRI scanner, researchers compared 59 participants (patients and healthy controls) to see if a stronger…

This study looked at whether a blood test called carbohydrate deficient transferrin (CDT) can better detect long-term alcohol abuse in people aged 60 and older compared to standard methods. Researchers enrolled 194 older adults in France and compared CDT results with a common que…

This study tested a program called CJC-TraC, where a nurse case manager helps incarcerated individuals with HIV, hepatitis C, or substance use disorder prepare for release and connect to community healthcare. The program involved up to 4 in-person or telehealth visits before rele…

This study looked at how accurately patients with alcohol intoxication in the emergency department estimate their own blood alcohol concentration (BAC) compared to a real blood test. Researchers enrolled 34 adults aged 15-64 with a BAC of 60 mg/dL or higher. The goal was to see i…

This study tested whether using electronic health records and support staff could help more people with alcohol use disorder get the care they need. Researchers looked at how often patients started and stayed in treatment when their doctors had extra reminders and help. The goal …

This study looked at how to help more veterans with opioid use disorder get effective medication. Researchers combined six pilot projects across 63 VA sites to find the best ways to increase access to these treatments. The goal was to see if a structured support program for healt…

This study tested a computer tool that helps doctors and patients with chronic pain make treatment decisions together. The tool was used in primary care clinics for patients with long-term muscle or bone pain who had recently taken opioids. The goal was to see if clinics would ad…

This study looked at how cannabis use affects brain receptors and electrical activity, and how these change when people stop using. Researchers used brain scans and EEGs in 162 people, including cannabis users and healthy controls. The goal was to understand the brain's recovery …

This study, completed by Yale University, tested whether a standardized field test can measure marijuana impairment in drivers. 41 participants who use marijuana regularly completed cognitive tasks and simulated driving after smoking either medium-THC or placebo marijuana. The go…

This study tested whether sending letters to doctors about their patients' opioid overdoses would reduce how often they prescribe strong painkillers. Researchers looked at 61 clinicians who had prescribed opioids to patients who later had a non-fatal or fatal overdose. The goal w…

This completed study tested a tablet-based screening system for substance use, depression, and anxiety in over 10,000 HIV-positive adults during routine clinic visits. Patients who screened positive were offered behavioral treatments like motivational interviewing and cognitive b…

This study looked at whether brain signals and thinking skills can predict how well Veterans with cocaine addiction respond to a behavioral therapy called contingency management. In this therapy, patients earn chances to win prizes for providing cocaine-free urine samples. The go…

This study looks at whether a patient navigation program can help more people with opioid use disorder start treatment after being in the hospital. The program, called NavSTAR, was tested in 4 Philadelphia hospitals with 32 patients. The goal is to learn how to make this program …