Substance abuse

This study tests whether nimodipine, a blood pressure medication, can reduce alcohol consumption and craving in adults with Alcohol Use Disorder who are heavy drinkers. Participants receive nimodipine or a placebo over 18 hours, then take part in a controlled drinking session whe…

This pilot study tests a behavioral program called CBITS-RTM, adapted for teens in juvenile detention. The program combines group and individual therapy to address post-traumatic stress and includes a module on racial trauma. Researchers want to see if it reduces PTSD symptoms an…

This study tests whether peer support specialists—people who have been through liver transplant for alcohol-related disease themselves—can help others in the same situation stay sober and attend medical appointments. About 95 participants will meet regularly with a peer supporter…

This trial tests a culturally adapted program called SBIRT (Screening, Brief Intervention, and Referral to Treatment) for trauma patients who drink alcohol. Emergency department staff in Cameroon will screen patients for risky drinking, offer a short motivational counseling sessi…

This study will test whether living in a self-contained, AI-managed community (called a Microcity) can improve mental health and reduce addiction in adults with conditions like autism, ADHD, substance use disorders, and behavioral addictions. Up to 1 million participants will liv…

This study tests whether a new four-session group program, called the First Step Program, can be delivered in hospital settings and help people with substance use disorders. The program combines motivational interviewing, acceptance and commitment therapy, and group support to bo…

This trial tests whether an AI chatbot called MICA, combined with weekly text reminders, can help emergency department patients reduce risky alcohol use. About 750 adults who report heavy drinking will be randomly assigned to use MICA or receive usual care. The study tracks how m…

This pilot study tests a program called Kisoboka Amaka for men living with HIV who drink heavily and have pregnant partners. The program combines counseling, financial training, and mobile savings to help men drink less and take their HIV medication consistently. Researchers will…

This study tests whether a natural molecule called oleoylethanolamide (OEA) can reduce inflammation, improve thinking, and lower alcohol use in young adults aged 18–25 with alcohol use disorder. Participants will take OEA or a placebo daily for 6 weeks and provide blood, saliva, …

This study tests whether psilocybin (the active ingredient in magic mushrooms) combined with talk therapy can help people with severe alcohol use disorder reduce heavy drinking. Thirty-six adults who recently completed detox will receive either a high or low dose of psilocybin du…

This study will test a Spanish-language program called Healthy Choices for 45 young adults (ages 18-29) living with HIV in the Dominican Republic who also struggle with alcohol use and stigma. The program is designed to help them better manage their health and reduce the impact o…

This study is developing and testing a smartphone app called METS4Vets, designed to help veterans with substance use disorders as they move from residential treatment back into everyday life. The app provides motivational and skills-building support. Researchers are enrolling 30 …

This study tests whether giving hospitalized heavy drinkers a liver stiffness scan and personalized alcohol counseling can reduce future emergency hospital visits. 500 adults at risk of alcohol-related liver disease will be randomly assigned to get this extra support or usual car…

This study looks at whether adding a mobile app to a nurse-led counseling program helps men with alcohol use disorder stay sober longer. About 74 men aged 18-59 who own an Android phone will take part. The goal is to see if the app reduces relapse rates over three months compared…

This study tests a short case management program for people who have been involuntarily admitted to a psychiatric hospital. The program, designed with input from people who have experienced coercion, provides up to five sessions with a nurse or social worker starting during the h…

This study tests whether a brief screening and a telehealth counseling session in the emergency department can help people reduce their use of drugs or alcohol. About 650 adults who are at low or moderate risk for substance use problems will take part. The goal is to see if this …

This study tests a harm reduction approach for people who use anabolic-androgenic steroids (AAS) without a prescription. Participants will receive four counseling sessions to help them reduce their steroid use and improve their health. The trial will measure changes in steroid us…

This study tests whether patient navigation—a series of coaching sessions—helps pregnant women with opioid use disorder stay in treatment and reduce drug use. About 429 pregnant women will be randomly assigned to either usual care or patient navigation, which includes up to 14 se…

This Phase 2 trial at Johns Hopkins will test whether combining semaglutide (a GLP-1 drug used for diabetes) with naltrexone (a medication for alcohol dependence) is safe and helps reduce alcohol use. About 45 adults with alcohol use disorder will take the combination or a placeb…

This study tests whether a virtual session with a peer recovery coach can help incarcerated adults with substance use disorders connect to addiction treatment and recovery resources. About 550 participants in jail will either get the coaching or just standard information. Researc…

This study tests a digital pill system that tracks when people with alcohol-related liver disease take their medication (acamprosate) and provides personalized support to help them stay on track. The system includes a sensor in the pill, a wearable patch, and a smartphone app wit…

This trial tests a coordinated care program called CCAP for men with alcohol problems in primary care centers in Goa, India. The program includes mobile messages for mild cases, counseling for moderate cases, and home detoxification for severe cases. Over 1,000 participants will …

This study tests whether daridorexant, a drug used for insomnia, can reduce alcohol cravings and drinking while improving sleep in people with alcohol use disorder and sleep problems. About 150 adults will receive either daridorexant or a placebo for several weeks. The goal is to…

This study tests if semaglutide, a drug used for diabetes, can help veterans with alcohol use disorder drink less. About 622 veterans will get either the drug or a placebo shot for 28 weeks. The goal is to see if it safely reduces heavy drinking and improves health.

This study tests a program called CROSSROADS for adults who recently survived an opioid or stimulant overdose. It combines standard paramedic care with free legal help for issues like housing or benefits. Researchers want to see if this reduces drug use and contact with the crimi…

This study looks at whether a program called EMPOWER, led by trained peer supporters, can help homeless veterans with substance use or mental health issues stay engaged in care and avoid repeated hospital stays or emergency visits. About 278 veterans in permanent supportive housi…

This study tests whether a non-invasive brain stimulation technique called rTMS, given before cognitive-behavioral therapy, can help adults with cocaine use disorder quit. Thirty participants will receive either real or sham rTMS daily for 3 weeks, followed by 12 weeks of weekly …

This study tests whether a nurse navigator program can reduce hospital readmissions in 300 patients who are having hip or knee replacement and also have conditions like heart failure, COPD, or kidney problems. The program provides education and connects patients with their primar…

This study tests a non-invasive brain stimulation technique called transcranial temporal interference stimulation (tTIS) aimed at the amygdala, a brain region linked to cravings. Researchers will enroll 60 adults with alcohol use disorder to see if tTIS can reduce alcohol craving…

This study tests whether giving financial rewards based on a blood test can help people with alcohol-related liver disease stop or reduce drinking. The blood test detects alcohol use over the past month. 90 adults will be randomly assigned to either a rewards group that gets esca…

This study tests a new approach to help young adults reduce harmful drinking. Participants can customize which peer groups they compare their drinking to, making the feedback more personal. The trial will enroll 250 University of Washington students who drink regularly and will m…

This study tests whether repeated sessions of a gentle brain stimulation technique called tDCS can help people with alcohol use disorder drink less. Over 12 weeks, 312 participants will receive either real or sham tDCS in 5-day clusters each month. The goal is to see if this appr…

This Phase 3 trial tests a naltrexone implant placed under the skin to help people with moderate to severe alcohol use disorder drink less. About 240 adults will receive either the implant or a placebo, plus counseling. Researchers will track heavy drinking days over 24 weeks to …

This study will test an app called JomCare that sends personalized support to men who have sex with men when they are most likely to engage in chemsex (using drugs before or during sex). The goal is to reduce risky behaviors and prevent new HIV infections. About 482 HIV-negative …

This study tests whether semaglutide (a GLP-1 drug used for diabetes and weight loss) can help people with obesity and fatty liver disease reduce or stop drinking alcohol. 64 participants will receive either semaglutide injections plus lifestyle counseling, or counseling alone. T…

This study tests whether a 12-week program of supervised exercise, Mediterranean diet education, and stress management workshops can improve health in 120 overweight or obese adults. Participants will wear a smart bracelet to track activity and sleep. Researchers will measure cha…

This study tests whether eating fiber-rich snacks (with inulin and pectin) for 28 days, alongside standard care, can improve alcohol withdrawal in adults aged 19-65 with alcohol use disorder. The goal is to reduce gut permeability and support recovery. Participants will provide b…

This study tests whether a weekly injection of tirzepatide (a diabetes drug) plus cognitive-behavioral therapy can help adults with alcohol use disorder and overweight or obesity reduce heavy drinking days. 46 participants will receive either the drug or a placebo shot for 8 week…

This study in Nairobi, Kenya, will test whether a drug called cytisine, combined with counseling, can help 300 people with HIV quit smoking and reduce heavy drinking. Participants will receive either cytisine or a placebo, plus either intensive counseling or standard advice. The …

This small pilot study will test whether adding ketamine to cognitive behavioral therapy (CBT) is safe and feasible for people with both alcohol use disorder and major depression. Twenty participants will receive three ketamine injections over six weeks along with CBT sessions. T…

This pilot study will test whether a high-intensity brain stimulation device can help people with alcohol use disorder reduce their cravings and drinking. Eighteen adults will receive 20 sessions of stimulation over 10 days. Researchers will measure changes in cravings, drinking …

This study looks at whether adding a recovery coach and an online sober community can help people who have had a liver transplant stay away from alcohol. About 40 adults who received a liver transplant in the last 5 years and have a history of alcohol use disorder will take part.…

This study will bring medication for addiction and cognitive behavioral therapy to homeless veterans living in VA supportive housing. The goal is to help them stay housed and reduce substance use. About 8,000 veterans across multiple VA sites will take part.

This study tests if adding a safe dye to a drink can prove that urine samples are real and not tampered with. About 114 adults with substance use disorder will drink Gatorade with or without the dye, then provide a urine sample 15 minutes later. Researchers will check for the dye…

This study looks at whether measuring a protein called TREM-1 in liver tissue can help doctors better predict how patients with severe alcoholic hepatitis will do. Researchers will compare TREM-1 levels in 300 people—half with alcoholic hepatitis and half with other liver disease…

This study tests whether a single session of Acceptance and Commitment Therapy (ACT) can help internally displaced adults manage stress and prevent substance use. Researchers will enroll 144 people who have been displaced by conflict and have used at least one substance (other th…

This study tests Project LYNX, a program that helps young adults (ages 18-29) who have recently been involved with the criminal legal system find and connect to substance use treatment and HIV-prevention services. The program pairs each participant with a trained peer navigator a…

This study tests a mobile app called PA-LINKS designed to help women who have recently been in jail or prison access HIV prevention medicine (PrEP) and treatment for opioid use disorder. About 74 women will use the app and work with a navigator to connect to these services. The g…

This study tests a mindfulness program called MINDS-UP to prevent substance use in children aged 10 to 14. About 45 kids will either take mindfulness classes plus a sports-based prevention program, or just the sports program alone. Researchers will check if the program is easy to…

This study tests whether a game called Singularities can help teens aged 14-18 reduce alcohol-related harms, like hangovers or risky behavior. About 2,000 participants will play either Singularities or a nutrition game and complete surveys over one year. The goal is to see if the…

This study tests whether a social network approach can encourage people who inject drugs to start HIV prevention medication (PrEP) and addiction treatment (MOUD). About 398 participants will be assigned to either the LINKED intervention or a control group. The goal is to see if p…

This study tests whether internet-based programs can prevent alcohol use disorders in people who are not currently seeking help. About 3,500 adults with risky drinking habits will be randomly assigned to receive online brief advice, unguided online therapy, or guided online thera…

This study looks at ways to improve care for teens and young adults who have experienced sexual assault. The goal is to offer same-day HIV prevention medicine and substance use support during their emergency room visit. Researchers will work with young people to design and test t…

This trial tests a school-based program that combines classroom lessons with online modules to reduce the risk of vaping and prescription drug misuse in upper elementary students (ages 7-11). About 3,000 students from 30 schools will either receive the program or continue with st…

This study tests whether brief, 1-2 minute videos featuring personal stories from other parents can reduce stigma and improve help-seeking among parents of children aged 6-18 with depression, ADHD, or substance use problems. Researchers will recruit 1,600 parents online and rando…

This trial compares two types of nerve blocks given before breast surgery to see which better prevents chronic pain that can last for months. Women aged 18-65 scheduled for mastectomy will receive either a serratus posterior superior intercostal plane block or an erector spinae p…

This study tests a two-session Zoom-based therapy designed to change beliefs about mental health treatment in Deaf adults who are not currently in care. Researchers will compare those who receive the therapy to a waitlist group to see if it increases treatment-seeking and reduces…

This study looks at whether a nutritional ketone supplement can alter how the brain uses energy and reduce alcohol consumption in people with alcohol use disorder. Sixty adults who drink heavily but are not seeking treatment will receive either the supplement or a placebo, then u…

This study tests whether taking cannabidiol (CBD) every night for four weeks can improve sleep quality and reduce alcohol cravings and use. Fifty-eight adults with poor sleep and hazardous drinking will take either CBD or a placebo. Participants will wear activity monitors, compl…

This study tests if a phone-based therapy called Acceptance and Commitment Therapy (ACT) can help young adults aged 18-35 who drink heavily to quit or reduce alcohol use. Participants will receive weekly phone sessions for 6 weeks and track their drinking. The study compares ACT …

This study looks at whether a 6-week program that combines problem-solving therapy with small rewards can help new mothers feel less depressed and drink less alcohol. About 30 mothers who gave birth in the last year will take part. Half will get the program, and the other half wi…

This study tests whether brief mindfulness and identity-affirming exercises can improve well-being and reduce mental health symptoms in LGBTQ youth aged 16-26 who are currently or recently unhoused. Two hundred participants will be randomly assigned to either the mindfulness prog…

This study explores whether listening to music can help young adults (ages 18-35) manage stress during their first year of recovery from alcohol use disorder. Researchers will use a smartphone app and a wearable device to detect stress in real time and suggest calming music. The …

This study tests whether cannabidiol (CBD), a compound from cannabis, can reduce alcohol withdrawal symptoms and cravings in people with moderate-to-severe alcohol use disorder. 105 adults will stay in a hospital for 5 days, receive either CBD or a placebo alongside standard care…

This study tests a smartphone app called Senyo Health for people with bipolar disorder who also struggle with alcohol or drug use. The app offers therapy, rewards for healthy behaviors, and weekly check-ins with a care manager. The goal is to see if the app is easy to use and hel…

This study tests whether a behavioral method called Emotional Brain Training (EBT) can help people in recovery from addiction manage stress, anxiety, and cravings. About 54 adults receiving standard addiction treatment will either continue their usual care or also attend weekly E…

This study tests whether a type of cognitive training called Action-Based Cognitive Remediation (ABCR) can improve thinking skills in people with various psychiatric conditions like depression, schizophrenia, anxiety, PTSD, and autism. Participants will complete computer exercise…

This study tests whether hypnosis and self-exercises can help people with moderate to severe alcohol addiction control their drinking. About 98 outpatients will be split into two groups to compare the hypnosis-based approach with standard care. The main goal is to see how quickly…

This study tests a mindfulness program designed to help sexual assault survivors reduce alcohol misuse and tobacco use. Researchers will enroll 120 college students aged 18-24 who have experienced sexual violence and drank alcohol recently. Participants will take online surveys a…

This study tests whether listening to short, guided mindfulness audio recordings before and after surgery for a broken arm or leg can help reduce pain, anxiety, and the need for opioid painkillers. Fifty adults will be randomly assigned to either the mindfulness group or a contro…

This study tests whether equine-assisted therapy (working with horses) can improve mental health and reduce cravings in people recovering from addiction. Twenty-two adults who have completed detox will be randomly assigned to either receive 22 sessions of equine therapy over 24 w…

This early study will test whether nimodipine, a drug usually used for blood pressure, can reduce alcohol drinking and cravings in heavy drinkers. Five adults with Alcohol Use Disorder will stay overnight at a hospital, take nimodipine, and then have the option to drink alcohol o…

This study tests a new tool called SIM-AiR that helps teens (ages 12-19) with alcohol use disorder visually map their social identities and networks. The goal is to support lasting recovery by addressing social risk and protective factors. Researchers will ask teens and their cli…

This study is testing a short behavioral treatment for women veterans who drink too much. The treatment involves 4 to 6 sessions with a behavioral health provider in a primary care clinic. Researchers want to see if it is practical, acceptable, and helps reduce alcohol use and im…

This study tests a 10-week cognitive remediation program for people with alcohol use disorder who are recently sober. The program includes group and individual brain exercises to improve thinking skills and self-confidence. Researchers will measure changes in general self-efficac…

This study tests whether psilocybin (the active ingredient in magic mushrooms) combined with therapy is safe and helpful for people who have both major depression and alcohol use disorder. Thirty adults will receive either psilocybin or a placebo, along with therapy sessions. The…

This early-stage study tests a brief couples therapy for 80 Veterans with PTSD and alcohol use disorder. Veterans receive individual treatment while attending 3-4 sessions with their romantic partner. The goal is to see if involving loved ones improves treatment satisfaction and …

This study tests whether an extra nerve block given during weight-loss surgery can lower pain, nausea, and the need for painkillers in the first three days after surgery. About 200 adults having gastric bypass or sleeve gastrectomy will be randomly assigned to get either standard…

This study tests a nerve block given during minimally invasive colorectal surgery to see if it reduces pain and the need for opioids. Researchers will track 400 adults having left-sided colon or rectal surgery. The goal is to improve recovery and reduce side effects like nausea.

This pilot study will test a new type of talk therapy called ACT-SHARE for veterans who have both PTSD and alcohol problems and are struggling with conflict in their romantic relationships. The therapy aims to help veterans manage difficult thoughts and feelings and take actions …

This pilot study tests whether a short, peer-led counseling session can reduce binge drinking among university students in Romania. About 120 students who drink heavily will receive either a 15-20 minute motivational interview from a trained peer or no intervention. Researchers w…

This study tests a web-based program for people who are worried about their romantic partner's drinking. The program teaches skills like self-care and positive communication. Researchers will first study 50 couples to understand daily patterns, then develop the program with 15 pa…

This study investigates how pomegranate dietary supplements influence gut bacteria and inflammation in people with alcohol use disorder and alcohol-related liver disease. Researchers will measure levels of beneficial gut metabolites called urolithins and inflammatory markers in b…

This study aims to adapt and validate a French version of the Recovery Assessment Scale (RAS), a questionnaire that measures how people feel about their own recovery from mental health conditions. Researchers will ask 260 adult psychiatric patients in France to fill out the RAS a…

This study looks at whether adding alcohol-related smells to virtual reality scenes makes people with alcohol use disorder feel stronger cravings. Sixty participants will experience different combinations of visual scenes (neutral or alcohol-related) and smells (none or alcohol).…

This study tests a training program called Project ECHO to help rural jails start or increase use of medications (methadone, buprenorphine, naltrexone) for opioid use disorder. Staff from 40 jails will attend online sessions with experts and peers over 18 months. Researchers will…

This study aims to understand how people feel physically and mentally after they stop using drugs. Researchers will observe 120 adults aged 18-65 who have quit. The goal is to gather information, not to test a new treatment.

This study will give 22 occasional cannabis users oral THC, CBD, both, or a placebo to measure how these substances appear in blood and saliva, and how they affect thinking and behavior. The goal is to better understand drug detection and impairment from oral cannabinoids. It is …

This study looks at whether a blood test for a marker of heavy drinking (carbohydrate-deficient transferrin, or CDT) can help predict how well critically ill patients will do in the intensive care unit. Researchers will follow 800 adults admitted to the ICU through the emergency …

This study looks at adults in Dorset who visit urgent or emergency care five or more times a year. Researchers will interview patients, carers, and healthcare workers, and analyze data to understand their needs. The goal is to work with the community to design a prevention model …

This study aims to improve a short motivational conversation to help young adults (ages 18-25) who were injured in an assault and also misuse alcohol or cannabis. Researchers will interview and survey 50 participants from a hospital violence intervention program to understand how…

This study looks at whether adding a clinical pharmacist to community mental health teams (called FACT teams) helps people with severe mental illness and substance use disorders feel better and manage their medications more effectively. About 160 adults will take part, and the st…

This study aims to validate a virtual reality version of the Multiple Errands Test for assessing executive functions in people with alcohol use disorder. Ninety participants will complete both a real-world and a virtual supermarket task, along with other cognitive tests. The goal…

This pilot study tests whether a specially designed family therapy program is practical and well-liked by women who have opioid use disorder and are involved in the justice system. About 120 women and a family member will take part, with some receiving the therapy plus usual care…

This study will observe 60 adults in residential therapeutic communities in Mexico to understand how recovery from substance use unfolds over time. Participants will answer quick mobile surveys several times a day about cravings, mood, and social interactions for 8 to 12 weeks. T…

This study follows 600 offenders with both mental illness and substance abuse in Italy and California over three years. Researchers will compare community-based care in Italy with high-security hospitals in the US to see which model leads to better outcomes, like reduced violence…

This study tests whether a special team of doctors, nurses, and peer supporters can help people with substance use disorders get the follow-up care they need after a hospital stay. The team meets patients in the hospital and provides support and treatment after they leave, helpin…

This study will interview clinical staff and review patient data from an NHS alcohol care service in North West England. Researchers want to understand how acceptable the psychosocial interventions are to staff and what social or economic factors affect whether patients engage wi…

This study tests whether adding a career counseling program called Purposeful Pathways to standard job training helps veterans with mental health and substance use disorders find and keep quality jobs. About 254 veterans from three VA sites will take part. The goal is to improve …

This study aims to understand how inflammation in the body influences mood and alcohol cravings in people with alcohol use disorder (AUD). Researchers will give 64 participants (32 with AUD and 32 without) a single low dose of a substance that causes temporary inflammation or a p…

This study looks at whether sharing results from a blood test that shows recent alcohol use can help people with HIV drink less. Researchers will enroll 80 people in Uganda who drink heavily. Half will get standard counseling plus their blood test results, and half will get couns…

This study looks at whether a special training program can help supportive housing agencies in New York and New Jersey use proven methods to prevent overdoses and improve tenant health. About 24 agencies and 2940 people will take part. The goal is to see how well agencies adopt t…

This study tests if a 12-week one-on-one support program is easy to complete and acceptable for people supporting a loved one who recently finished substance use treatment. About 18 participants will attend weekly telehealth sessions and complete surveys and interviews. The goal …

This study compares 200 people with alcohol use disorder to healthy volunteers using questionnaires that measure psychological processes and emotional symptoms like depression and anxiety. The goal is to identify differences in how people think and cope. It is purely observationa…

This study tests a computer alert that notifies doctors when a patient is about to move into a new phase of opioid therapy, such as from short-term to long-term use. The alert prompts doctors to review the patient's pain and goals, following CDC guidelines. Researchers will study…

This study tests whether a computer alert can help doctors identify and treat patients with opioid use disorder. About 200,000 adults will be involved, and doctors will either get an alert or not. The goal is to see if the alert increases the use of medications like buprenorphine…

This study tests a mobile health program called SAMU to help adults in Uganda who have HIV, high blood pressure, and mental health issues like depression or anxiety. About 1,500 participants will use their phones for mental health screening and get connected to care. The goal is …

This study tests a program called ADD'Pro that combines addiction treatment with personalized job counseling to help people with substance use disorders return to work. About 100 adults will be randomly assigned to either the ADD'Pro program or standard employment services. Resea…

This pilot study will test a series of brief, private text messages sent via WhatsApp or Telegram to help people who use drugs in Kazakhstan feel more comfortable seeking PrEP, an HIV prevention pill. The messages address stigma, confidentiality worries, and misinformation. Forty…

This pilot study will test whether it is possible to run a larger trial comparing two ways to help people with alcohol use disorder. Sixty participants will either be invited to meet a therapist at the hospital for up to 10 sessions over 6 months, or receive guidance on finding a…

This study aims to adapt a proven suicide prevention program for people with alcohol use disorder in Tanzania, where mental health resources are scarce. Researchers will enroll 30 adults who drink heavily and have had recent suicidal thoughts, then test whether the telehealth int…

This study will test a tool called the Health Improvement Profile (HIP) in a mental health inpatient unit. The HIP is a checklist that helps clinicians spot physical health problems like high blood pressure or poor diet in people being treated for mental illness. Researchers will…

This study tests whether a digital screening and brief intervention can help postpartum mothers reduce substance use. About 120 mothers enrolled in home visiting programs will complete online sessions and receive text messages. Researchers want to see which combination of digital…

This study looks at how personal traits like anxiety, self-esteem, and perfectionism influence the ability to adapt in people with alcohol use disorder. Thirty participants will complete a computer task and questionnaires in one 45-minute session. No medication or treatment is in…

This study looks at how kratom affects people who have used opioids in the past. Researchers will compare kratom to another substance and a placebo to see how the body processes it and what effects it has. The goal is to better understand the potential risks and benefits of krato…

This study tests whether a mobile app-based program called mSTARS is practical and well-liked by adults who drink heavily and have recently been hospitalized for suicidal thoughts or behaviors. Thirty-five participants will be randomly assigned to the app, standard care, or stand…

This study looks at Link-Up, a new safe consumption room in Brussels where people can use drugs under medical supervision. Researchers will track 250 users to see if the service reduces risky behaviors like sharing needles or using in public. The goal is to understand how these r…

This study looks at whether a program called SBIRT (Screening, Brief Intervention, and Referral to Treatment) can be used in hospitals to help teenagers with chronic medical conditions who may be misusing alcohol. Researchers will work with hospital staff, teens, and parents to a…

This study tests a 12-week Instagram program led by trained peers to help young adults (ages 18-25) who misuse prescription opioids. Participants will receive interactive modules and support via private Instagram groups. The goal is to see if the program is engaging, acceptable, …

This study tests a 12-week group program for HIV-negative Latino men who have sex with men and use methamphetamine. The program aims to help them cope with stigma, build resilience, and reduce meth use while also improving their interest in and use of PrEP, a medication that prev…

This study aims to better understand psychiatric disorders, thinking problems, and treatment side effects in 2000 cancer patients and their close relatives. Researchers will compare those with and without mental health issues to find patterns and improve care. No new treatments a…

This study will compare obsessive-compulsive symptoms in 102 adults with substance use disorder to a similar group without it. Participants will complete interviews and questionnaires to measure OCD severity, addiction severity, and quality of life. The goal is to understand how …

This study looks at how opioid use affects oxidative stress in adults. Researchers will collect blood samples and health information from 120 people taking opioids like morphine or fentanyl. No new treatments are given. The goal is to better understand the biological effects of o…

This study will check how much psychiatric clients know about occupational therapy (OT) and whether their expectations are realistic. It will also evaluate how well OT interns explain health information and conduct interviews. Researchers will develop new tools to measure these s…

This study looks at whether a single dose of methylphenidate (Ritalin) changes how the brain responds to alcohol-related images in young adults aged 18-25 with alcohol use disorder. Participants will have brain scans and complete tasks after taking either the drug or a placebo. T…

This study will test if simple, bedside heart tests (ultrasound, EKG, and blood tests) can accurately detect heart problems in pregnant women who regularly use methamphetamine. Researchers will compare these quick tests to a full heart ultrasound. The goal is to find a faster, ea…

This study will check if a simple frailty score (ISAR) can predict medication problems in elderly patients visiting the emergency department. Researchers will review the medical records of 300 patients aged 75 and older, looking for inappropriate prescriptions and dangerous drug …

This study will test if a smart chatbot can help young adults (ages 18-29) who drink heavily to cut back. The chatbot will have personalized conversations to encourage healthier drinking habits. The main goal is to see if young adults find the chatbot easy and helpful to use, not…

This study tests whether a special child-resistant blister pack with clear labeling can help reduce how many opioid pills are prescribed and used after orthopedic surgery. About 352 adults will receive either the new packaging or the standard orange bottle. Researchers will track…