Complex regional pain syndrome type 2
MONDO:0020572Complex regional pain syndrome type 2 (CRPS2), or causalgia is a form of complex regional pain syndrome that develops after damage to a peripheral nerve and is characterized by spontaneous pain, allodynia and hyperalgesia, not necessarily limited to the territory of the injured nerve, as well as at some point, edema, changes in skin blood flow or sudomotor dysfunction in the pain area.
Also known as: CRPS II, Complex regional pain syndrome II, causalgia
129 clinical trials for this condition and its sub-types.
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New team approach aims to cut opioid use for chronic pain patients
Disease control Recruiting nowThis study tests a new way to help people with chronic non-cancer pain who have been on long-term opioids. Instead of usual care, a team of doctors, pharmacists, physiotherapists, and psychologists works with the patient to create a personalized plan. The goal is to reduce pain i…
Phase: NA • Sponsor: Uppsala County Council, Sweden • Aim: Disease control
Last updated Jun 27, 2026 12:33 UTC
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New combo therapy aims to wean surgery patients off opioids faster
Disease control Recruiting nowThis study tests whether counseling plus a muscle relaxant (tizanidine) can help adults who have used opioids for a long time reduce their pain medication after elective surgery. About 375 participants will be randomly assigned to one of three groups: the combo treatment, counsel…
Phase: PHASE3 • Sponsor: Stanford University • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
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Thousands tracked to see if nerve stimulators really work Long-Term
Disease control Recruiting nowThis study follows 2,000 people with chronic pain who are implanted with Abbott neurostimulators (spinal cord or dorsal root ganglion stimulators). Researchers will track side effects, device problems, and how well the devices control pain over time. It is an observational study,…
Sponsor: Abbott Medical Devices • Aim: Disease control
Last updated Jun 27, 2026 08:08 UTC
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Virtual coach aims to ease chronic pain in veterans
Symptom relief Recruiting nowThis study compares an online program called Veteran ACT for Chronic Pain (VACT-CP) to another online pain program, Online Pain School, for veterans with chronic pain. The goal is to see which program better helps veterans improve their daily functioning, manage pain, and enhance…
Phase: NA • Sponsor: VA Office of Research and Development • Aim: Symptom relief
Last updated Jul 03, 2026 23:00 UTC
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New 'Smart' implant adjusts itself to fight chronic pain
Symptom relief Recruiting nowThis study is testing a new type of spinal cord stimulator that automatically adjusts its signal based on how your nerves respond. It aims to improve pain relief and quality of life for 25 adults with long-term, hard-to-treat pain in the trunk or limbs. The device is already appr…
Phase: NA • Sponsor: Saint Francis Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 14:03 UTC
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Teens with chronic pain try dance as medicine
Symptom relief Recruiting nowThis study tests whether dance therapy can help teens aged 12-20 with chronic pain feel better and move more freely. 160 participants will either attend weekly dance sessions for 15 weeks or receive standard care. The goal is to see if dancing reduces pain intensity and fear of m…
Phase: NA • Sponsor: Hospices Civils de Lyon • Aim: Symptom relief
Last updated Jun 27, 2026 14:00 UTC
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Weighted blankets tested as Drug-Free pain relief
Symptom relief Recruiting nowThis study tests whether sleeping with a weighted blanket (about 10% of your body weight) can help adults with chronic pain feel better. About 44 people will use the blanket every night for 5 weeks and report changes in pain, sleep, and daily activities. The goal is to see if thi…
Phase: NA • Sponsor: National University of Natural Medicine • Aim: Symptom relief
Last updated Jun 27, 2026 14:00 UTC
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New stimulation pattern could ease tough back pain
Symptom relief Recruiting nowThis study is testing a new way to use an already-approved spinal cord stimulator to treat chronic, hard-to-manage back and leg pain. The device sends mild electrical pulses to the spine, and the new setting (called TVP-SCS) varies the timing of those pulses. Researchers will enr…
Phase: NA • Sponsor: Boston Scientific Corporation • Aim: Symptom relief
Last updated Jun 27, 2026 13:03 UTC
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Can a one-hour class beat eight weeks of therapy for chronic pain?
Symptom relief Recruiting nowThis study compares two online treatments for chronic pain: an 8-week cognitive behavioral therapy program (16 hours total) and a single 2-hour pain relief skills class. Researchers want to see which works better for reducing pain intensity and interference. The study will enroll…
Phase: NA • Sponsor: Stanford University • Aim: Symptom relief
Last updated Jun 27, 2026 12:32 UTC
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New implant aims to ease chronic pain for years
Symptom relief Recruiting nowThis study is tracking 970 adults with chronic pain who receive an Inceptiv™ spinal cord stimulator, a device that sends mild electrical pulses to the spine to block pain signals. Researchers want to see if at least half of patients get significant pain relief and better quality …
Sponsor: Medtronic • Aim: Symptom relief
Last updated Jun 27, 2026 12:29 UTC
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Yoga therapy for teens with chronic pain: a new hope?
Symptom relief Recruiting nowThis study looks at whether yoga-based occupational therapy can improve body awareness and daily function in adolescents aged 11-21 with chronic pain. Participants will attend 8-12 weekly yoga sessions and complete questionnaires before and after treatment. The goal is to see if …
Sponsor: Connecticut Children's Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 12:24 UTC
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Can teaching parents help kids with chronic pain?
Symptom relief Recruiting nowThis study tests a group-based parent training program called SPACE-Pain, originally developed for anxiety, to see if it is feasible and acceptable for parents of children aged 10-17 with chronic pain. The program teaches parents to reduce accommodation while staying warm and sup…
Sponsor: Children's Hospital of Philadelphia • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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Could a gentle brain zap help veterans beat chronic pain?
Symptom relief Recruiting nowThis study is testing whether a painless brain stimulation technique called tDCS can reduce chronic pain in 100 military members and veterans. Participants will receive tDCS while taking part in a behavioral health program, and researchers will track changes in pain levels and da…
Phase: NA • Sponsor: Emory University • Aim: Symptom relief
Last updated Jun 27, 2026 12:08 UTC
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Could CBD ease chronic pain? new trial seeks answers
Symptom relief Recruiting nowThis study tests a high-CBD, low-THC sublingual product against a placebo in 25 adults with chronic pain conditions like arthritis or injury-related pain. Over 9 weeks, researchers will track pain levels, medication use, quality of life, and thinking skills to see if CBD offers r…
Phase: PHASE2 • Sponsor: Staci Gruber, Ph.D. • Aim: Symptom relief
Last updated Jun 27, 2026 12:02 UTC
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Pain school: could six weeks of education ease chronic pain and depression?
Symptom relief Recruiting nowThis study tests whether a 6-week group pain education program can help people with chronic pain become more active, feel less pain, and have lower depression. Fifty adults with pain lasting over 3 months will attend weekly 2-hour sessions covering sleep, stress, exercise, pain s…
Phase: NA • Sponsor: University of Tartu • Aim: Symptom relief
Last updated Jun 27, 2026 12:02 UTC
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Brain zaps get smarter: AI-Powered TMS aims to ease chronic pain
Symptom relief Recruiting nowThis study tests a faster form of brain stimulation (accelerated TMS) for people with long-term chronic pain that hasn't improved with medication. Researchers will use a smart algorithm to choose the best spot to stimulate each person's brain, based on their individual pain patte…
Phase: PHASE1 • Sponsor: University of Minnesota • Aim: Symptom relief
Last updated Jun 27, 2026 12:01 UTC
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Could Botox-Like shots ease debilitating CRPS pain?
Symptom relief Recruiting nowThis study is testing whether a single injection of botulinum toxin (similar to Botox) around major nerves can safely reduce pain in people with Complex Regional Pain Syndrome (CRPS), a chronic condition causing severe pain and disability. Twenty adults with CRPS in one arm or le…
Phase: NA • Sponsor: Bo Biering-Soerensen • Aim: Symptom relief
Last updated Jun 27, 2026 11:01 UTC
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Can a sugar pill and meditation ease chronic pain? new study investigates
Symptom relief Recruiting nowThis study looks at whether combining mindfulness training (MBSR) with an open-label placebo—a pill that patients know has no active drug—is a practical way to help people with chronic pain. Researchers will randomly assign 45 adults to receive either mindfulness alone, the place…
Phase: NA • Sponsor: Arizona State University • Aim: Symptom relief
Last updated Jun 27, 2026 11:01 UTC
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Could a ZAP to the brain ease chronic pain? new trial tests personalized stimulation
Symptom relief Recruiting nowThis study tests a non-invasive brain stimulation technique called HD-tDCS for people with chronic pain that hasn't improved with other treatments. 144 participants will be randomly assigned to receive either real (anodal or cathodal) or sham (placebo) stimulation over five sessi…
Phase: NA • Sponsor: Istituti Clinici Scientifici Maugeri SpA • Aim: Symptom relief
Last updated Jun 27, 2026 09:07 UTC
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Veterans' chronic pain targeted by new team approach
Symptom relief Recruiting nowThis study tests whether a team of five pain specialists—including doctors, psychologists, pharmacists, dietitians, and physical therapists—can help veterans with chronic pain feel better and get more out of life. About 150 veterans will either join the program right away or wait…
Phase: NA • Sponsor: Salem Veterans Affairs Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 09:06 UTC
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App aims to ease chronic pain without pills
Symptom relief Recruiting nowThis study tests a smartphone app called QoLibri designed to help people with chronic pain manage their symptoms and improve their quality of life. About 410 adults with moderate or worse pain lasting over 3 months will be randomly assigned to use the app right away or after a wa…
Phase: NA • Sponsor: Novesia • Aim: Symptom relief
Last updated Jun 27, 2026 09:01 UTC
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New study: pain lessons plus exercise may ease senior suffering
Symptom relief Recruiting nowThis study looks at whether teaching older adults about how pain works, combined with supervised exercise, can reduce chronic pain and improve daily life. One hundred people aged 65 and older with pain lasting over 3 months will be split into three groups: exercise only, exercise…
Phase: NA • Sponsor: University of Salamanca • Aim: Symptom relief
Last updated Jun 27, 2026 08:08 UTC
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One online class could ease chronic pain – spanish version tested
Symptom relief Recruiting nowThis study tests a single online class called Empowered Relief, delivered in Spanish to adults with chronic pain. The class teaches pain relief skills, and participants fill out surveys right after, at 2 weeks, and at 1 month. The goal is to see if the class is helpful and satisf…
Phase: NA • Sponsor: Stanford University • Aim: Symptom relief
Last updated Jun 27, 2026 08:06 UTC
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New app Co-Designed with teens aims to ease chronic pain
Symptom relief Recruiting nowThis study is testing a smartphone app called Digital SPA, designed with input from teens, to help adolescents aged 12–17 manage chronic pain. The app uses Acceptance and Commitment Therapy techniques to reduce pain interference and emergency room visits. About 195 teens and thei…
Phase: NA • Sponsor: University of Malaga • Aim: Symptom relief
Last updated Jun 27, 2026 08:04 UTC
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Could a gentle brain zap plus exercise ease stubborn back pain?
Symptom relief Recruiting nowThis study tests whether adding a non-invasive brain stimulation technique called tDCS to a structured exercise program can reduce pain and disability in adults with chronic spinal pain that hasn't improved with usual care. Forty-two participants will be randomly assigned to rece…
Phase: NA • Sponsor: Fundación Universidad Católica de Valencia San Vicente Mártir • Aim: Symptom relief
Last updated Jun 27, 2026 08:03 UTC
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Spinal cord stimulator put to the test against sham for post-surgery leg pain
Symptom relief Recruiting nowThis study tests whether a spinal cord stimulator can reduce long-term leg pain in people who still have pain after lumbar spine surgery. Fifty adults aged 18-70 who have not improved with other treatments will receive either active stimulation or sham (no stimulation) for 3 mont…
Phase: NA • Sponsor: Sahlgrenska University Hospital • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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Magic mushroom therapy could help cut opioid dependence in chronic pain patients
Symptom relief Recruiting nowThis study tests whether a combination of psilocybin (the active ingredient in magic mushrooms) and talk therapy can help adults with chronic pain safely reduce or stop their opioid painkillers. Ten participants will receive one or two psilocybin sessions over 8 weeks, with follo…
Phase: PHASE2 • Sponsor: University of British Columbia • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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Brain zaps tailored just for you: new study aims to beat chronic pain
Symptom relief Recruiting nowThis study tests a personalized approach to magnetic brain stimulation for people with chronic pain. Instead of a one-size-fits-all treatment, researchers will use each person's brain signals to customize the stimulation. The goal is to improve pain relief for the 90 participants…
Phase: NA • Sponsor: Aalborg University • Aim: Symptom relief
Last updated Jun 27, 2026 08:00 UTC
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Could early use of a 'Smart' stimulator tame CRPS pain?
Symptom relief Recruiting nowThis study tests whether using a closed-loop spinal cord stimulator early in complex regional pain syndrome (CRPS) works better than waiting until the chronic phase. The device automatically adjusts its settings based on the body's signals. Researchers will enroll 32 adults with …
Phase: NA • Sponsor: Scripps Health • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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Can a Two-Hour class ease chronic pain? new study tests mindfulness and CBT
Symptom relief Recruiting nowThis study compares two short behavioral therapies—mindfulness (B-MORE) and cognitive-behavioral therapy (CBT)—for adults with chronic pain. Both treatments are just two hours long and offered in English or Spanish. The goal is to see if these brief programs are practical and acc…
Phase: NA • Sponsor: Florida State University • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
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New rehab program aims to get Back-Pain patients back to work
Symptom relief Recruiting nowThis study tests whether a personalized rehabilitation program helps people with persistent spinal pain syndrome type II (failed back surgery syndrome) return to work after receiving a spinal cord stimulator. 112 participants will be randomly assigned to either the personalized p…
Phase: NA • Sponsor: Moens Maarten • Aim: Symptom relief
Last updated Jun 27, 2026 07:52 UTC
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Shiatsu therapy shows promise for kids in chronic pain
Symptom relief Recruiting nowThis study tests whether adding shiatsu—a gentle Japanese bodywork therapy—to standard medical care can improve quality of life for children aged 10 to 18 with chronic non-inflammatory pain. About 40 participants will receive one 30-minute shiatsu session per week for six weeks a…
Phase: NA • Sponsor: Tel Aviv University • Aim: Symptom relief
Last updated Jun 26, 2026 14:14 UTC
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Ozone therapy tested for cancer treatment side effects
Symptom relief Recruiting nowThis study follows 105 adults with chronic pain, nerve damage, or slow wound healing from cancer treatments. They receive ozone therapy as an add-on to their usual care. Researchers track changes in quality of life, anxiety, and depression to see if ozone therapy helps.
Sponsor: Bernardino Clavo, MD, PhD • Aim: Symptom relief
Last updated Jun 26, 2026 12:58 UTC
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Could a simple questionnaire unmask Fibromyalgia's hidden emotional toll?
Knowledge-focused Recruiting nowThis study evaluates a questionnaire called the Emotional Allodynia Questionnaire (AEQ), which measures how people with fibromyalgia react emotionally to everyday social cues. Researchers want to see if the tool can reliably identify fibromyalgia and tell it apart from other type…
Sponsor: University of Bari • Aim: Knowledge-focused
Last updated Jul 03, 2026 00:00 UTC
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Chronic pain patients to decide: which drug side effects are worth the relief?
Knowledge-focused Recruiting nowThis study asks 200 adults with chronic pain about their preferences between pain relief and common side effects like drowsiness, nausea, or addiction risk. Participants rate how much each side effect bothers them compared to the benefit of pain relief. The goal is to help doctor…
Phase: NA • Sponsor: Université Catholique de Louvain • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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Smart Band-Aid could read your pain without you saying a word
Knowledge-focused Recruiting nowThis study tests whether a special band-aid (called the A-Band) and a smartwatch can measure pain in women with chronic pain using AI. About 115 women with chronic pain and healthy women will wear the devices for a week and report their pain levels. The goal is to see if the devi…
Sponsor: Northwestern University • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:00 UTC
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15,000 patient records to reveal which chronic pain treatments really work
Knowledge-focused Recruiting nowThis study will look at the medical records of 15,000 people with chronic pain to see how well different treatments, like spinal cord stimulation, worked for them. The goal is to learn which approaches provide the best pain relief. No new treatments are being tested; instead, res…
Sponsor: Boston Scientific Corporation • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC
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Brain scans reveal how meditation and hypnosis ease pain in seniors
Knowledge-focused Recruiting nowThis study looks at how mindfulness meditation and self-hypnosis work in the brains of adults aged 60 and older who have had chronic pain for at least 3 months. Participants will be randomly assigned to mindfulness, hypnosis, or story listening, and will undergo brain scans and E…
Phase: NA • Sponsor: University of Washington • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:02 UTC
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Brain scans reveal Opioid's hidden toll on Women's nervous system
Knowledge-focused Recruiting nowThis study looks at how long-term opioid therapy changes brain and spinal cord activity in women with chronic pain. Researchers will compare brain scans of women with chronic pain and/or opioid use to healthy women. The goal is to find new ways to treat chronic pain without relyi…
Phase: NA • Sponsor: Duke University • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:00 UTC
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Which pain pill works best? new study aims to end the guesswork
Knowledge-focused Recruiting nowThis study compares two widely used drug classes—anti-convulsants and anti-depressants—for treating chronic pain in 450 real-world patients. Unlike typical trials that exclude many patients, this one includes people with other health issues to get results that apply to more peopl…
Phase: PHASE4 • Sponsor: Stanford University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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Can we predict chronic pain in teens? new study seeks answers
Knowledge-focused Recruiting nowThis study looks at 600 teens and young adults (ages 14-26) with conditions like juvenile arthritis, fibromyalgia, or past surgeries to understand why some develop long-lasting pain while others don't. Researchers will examine pain sensitivity, immune markers, and social factors …
Sponsor: Children's Hospital Medical Center, Cincinnati • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:36 UTC
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Brain scans reveal Dopamine's role in chronic pain
Knowledge-focused Recruiting nowThis study explores how dopamine, a brain chemical linked to motivation, influences chronic pain. Ten adults with chronic pain will receive two dopamine-boosting drugs (methylphenidate and carbidopa-levodopa) or a placebo, then undergo brain scans to measure changes in key pain-r…
Phase: PHASE2 • Sponsor: University of Rochester • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:33 UTC
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New study explores safer IV access for chronic pain patients
Knowledge-focused Recruiting nowThis study looks at whether a type of IV line called a midline catheter can be used safely and effectively for repeated lidocaine infusions in an outpatient clinic. About 500 adults with chronic pain will receive ten lidocaine infusions through a midline catheter. Researchers wil…
Sponsor: Medical University of Warsaw • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:25 UTC
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Can less pain meds mean better spinal stimulation? new study investigates
Knowledge-focused Recruiting nowThis pilot study looks at how lowering doses of pain medications like opioids and gabapentinoids changes the way the spinal cord responds to closed-loop spinal cord stimulation. Twenty adults with failed back surgery syndrome will be followed during a 21-day trial and up to 6 mon…
Sponsor: Brai²n • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Smartphone app to track 5,000 chronic pain patients in real time
Knowledge-focused Recruiting nowThis study aims to create a large e-cohort of 5,000 chronic pain patients using a smartphone app called eDOL. The app lets patients report their pain, treatments, and daily life, while doctors can monitor them through a web platform. The goal is to better understand chronic pain …
Sponsor: University Hospital, Clermont-Ferrand • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Pain clinic study aims to improve care for millions
Knowledge-focused Recruiting nowThis study is observing 120 people with chronic pain to learn how to design a more effective pain clinic. Researchers will track pain levels, medication use, and overall well-being. The goal is to understand what patients need, not to test a new treatment.
Phase: NA • Sponsor: Edward Via Virginia College of Osteopathic Medicine • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:07 UTC
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New study tests how pain pills impact spinal cord stimulator success
Knowledge-focused Recruiting nowThis study looks at how different pain medications change the way the spinal cord responds to a special type of spinal cord stimulator. The device automatically adjusts its stimulation based on nerve signals. Researchers will follow 50 people with chronic back pain who are either…
Sponsor: Brai²n • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:06 UTC
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Spinal stimulation could create new sensations for pain patients
Knowledge-focused Recruiting nowThis study tests whether spinal cord stimulation can create artificial sensations, like tingling, and how changing stimulation settings affects those sensations. Ten adults with chronic pain who are already scheduled for spinal cord stimulation will participate. The goal is to be…
Phase: NA • Sponsor: University of North Carolina, Chapel Hill • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:01 UTC
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Mind over pain: new study tests if spinal stimulation is just a placebo
Knowledge-focused Recruiting nowThis study aims to find out if spinal cord stimulation (SCS) truly reduces pain or if the effect is just due to patients' expectations. Twenty-five adults with chronic pain who already have an SCS implant will take part in four test sessions. During each session, the stimulator w…
Phase: NA • Sponsor: University of Aarhus • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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Opioids and the aging brain: a new study investigates
Knowledge-focused Recruiting nowThis study looks at whether taking prescription opioids for chronic pain changes the brain structure of adults aged 65 and older. Researchers will use MRI scans to measure brain changes over time. The goal is to understand the risks of long-term opioid use on brain health.
Phase: PHASE2 • Sponsor: Mayo Clinic • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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New study aims to Fine-Tune spinal cord stimulation for chronic pain
Knowledge-focused Recruiting nowThis study tests a new way to adjust spinal cord stimulation in 15 adults with chronic pain who already have spinal cord implants. Researchers will use electrical recordings called ECAPs to find the best stimulation settings. The goal is to see if this approach is feasible and ac…
Sponsor: University of Minnesota • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:04 UTC
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Can a computer match pain doctors? new study aims to find out.
Knowledge-focused Recruiting nowThis study checks if a computer algorithm can correctly identify the cause of chronic pain, just like a pain specialist would. About 200 adults with pain lasting at least one month will have their symptoms and history analyzed by both the algorithm and a doctor. The goal is to se…
Sponsor: PG Medical Systems Ltd. • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC
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Can your phone predict chronic pain? new study investigates
Knowledge-focused Recruiting nowThis study uses a smartphone app called SOMA to track daily mood, pain, and activity in 800 people with acute or chronic pain over four months. The goal is to find patterns that predict whether acute pain becomes chronic, or if chronic pain flares up. A smaller group will also ha…
Sponsor: Brown University • Aim: Knowledge-focused
Last updated Jun 26, 2026 18:51 UTC