Clinical trials
Substance Use Disorders clinical trials
Below are recruiting substance use disorders clinical trials, each written for real people, not researchers. We’re tracking 409 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06629259RecruitingPhase 2
Guanfacine for Alcohol Use Disorder
This trial tests if guanfacine, a medication that calms certain brain signals, can help people reduce or stop drinking. You may qualify if you have moderate to severe alcohol use disorder and want to quit.
Indianapolis, IndianaAges 18 years+ - NCT06323824RecruitingPhase 4
Methadone vs. buprenorphine for opioid use disorder treatment
This study compares two medications, methadone and buprenorphine, to see which helps people stay in treatment for opioid use disorder. You may be eligible if you are starting a new treatment episode.
Oakland, CaliforniaAges 18–99 - NCT06160284RecruitingPhase 1
Psilocybin for brain healing in opioid recovery
This study tests whether psilocybin, a psychedelic substance, can help change brain connections in people recovering from opioid use disorder. It involves brain scans and careful medical monitoring to explore new treatment options.
New Haven, ConnecticutAges 25–55 - NCT06124846Recruiting
Cannabis break and brain changes in teens
This study looks at what happens in the brain when teens with cannabis use disorder stop using cannabis for 6 weeks. It uses MRI scans to see changes in areas that control habits and decisions.
Minneapolis, MinnesotaAges 15–18 - NCT05042102RecruitingPhase 2
Donepezil plus brain training for alcohol use disorder
This Phase 2 study tests whether donepezil, along with structured cognitive (brain) training, can improve outcomes for people with alcohol use disorder. It will measure whether this combination helps after recent heavy drinking, while tracking safety over about 13 weeks.
West Haven, ConnecticutAges 18–80 - NCT05011266RecruitingPhase 2/Phase 3
Buprenorphine plus naltrexone shot to prevent opioid relapse
This trial tests whether a combination of buprenorphine (through your care plan) and a monthly extended-release naltrexone (XR-NTX) shot can help prevent opioid relapse. It may help people who are ready to move toward a naltrexone-based relapse-prevention treatment after detox.
Rockville, MarylandAges 18–65 - NCT06236100Recruiting
Family substance use prevention with a family advocate
This study tests whether an extra advocate who helps families deal with past hardships makes a substance use prevention program work better. The program is for families with teens aged 7–17 in certain New Jersey communities that have higher rates of difficult childhood experiences and substance use problems.
Tinton Falls, New JerseyAges 7 years+ - NCT04723498Recruiting
Internet use study for children and teens
This study looks at how problematic (hard-to-control) internet use shows up in children and teens. It may help clinicians understand the patterns of use and improve support for young people and families.
Zurich, Canton of ZurichAges 8–18 - NCT06969937RecruitingPhase 2
Ketamine and Neurofeedback for Alcohol Use Disorder
This study tests whether combining ketamine with a brain-training technique called neurofeedback can help people reduce or stop drinking alcohol. It may offer a new treatment option for alcohol use disorder.
ZurichAges 18–65 - NCT06642181RecruitingPhase 1
Guanfacine and meditation with buprenorphine for opioid use disorder
This study tests if adding a medication called guanfacine and mindfulness meditation to standard buprenorphine treatment helps people with opioid use disorder. It looks at whether this combination can improve treatment outcomes and reduce opioid use.
Newark, New JerseyAges 18–55 - NCT06585709Recruiting
Brain stimulation for opioid use disorder treatment
This trial tests if brain stimulation can help people starting buprenorphine for opioid use disorder. It aims to improve treatment outcomes and support recovery.
Durham, North CarolinaAges 18 years+ - NCT06489899Recruiting
Peer education for substance use and gender fairness in teens
This trial tests a program where young people learn from peers about reducing substance use and promoting gender equity. Participants will join workshop sessions and vocational training to build skills and healthier habits.
Cape Town, Western CapeAges 16–24 - NCT06221839Recruiting
Racism, Decision Making, and Substance Use in Teens
This study looks at how experiences of racism and stress affect decision-making and the risk of substance use in adolescents. It involves an interview and possibly an MRI brain scan.
New York, New YorkAges 11–14 - NCT05913752RecruitingPhase 1/Phase 2
Test drug CMND-100 in people with alcohol use disorder
This early study tests the safety and dosing of CMND-100 in first-time participants, including people with alcohol use disorder (AUD) and some healthy volunteers. It may help researchers understand whether the drug is safe, and how it might affect alcohol use in AUD.
New Haven, ConnecticutAges 18–60 - NCT05613608RecruitingPhase 2/Phase 3
Cannabidiol (CBD) study for alcohol use disorder
This trial tests whether cannabidiol (CBD) can help people cut down or quit drinking alcohol. It enrolls adults diagnosed with alcohol use disorder and wanting to reduce drinking, while checking for safety and other mental health or drug use factors.
Aurora, ColoradoAges 21 years+ - NCT04616781RecruitingPhase 2/Phase 3
Ketone drink study for alcohol use disorder brain function
This study tests whether a ketone-based treatment (a ketone ester) can change brain activity in people with alcohol use disorder who are not currently seeking treatment. You may also have brain scans, so the study is looking for safe MRI eligibility and certain health factors.
Philadelphia, PennsylvaniaAges 21–65 - NCT05910580Recruiting
Screening and support for alcohol and substance risk in adults
This study aims to improve care access and outcomes for adults who screen positive for risky alcohol or drug use. If you qualify, you may be offered ways to connect to support during your reproductive years.
Boston, MassachusettsAges 18 years+ - NCT04366531Recruiting
Support for veterans after prison release
This study tests a program to help veterans with mental health or substance use issues transition from prison back into civilian life. It may provide support to improve reintegration and reduce the risk of returning to prison.
Dallas, TexasAges 18 years+ - NCT07637669Recruiting
Smell and decision-making in people with HIV and substance use
This study looks at how smell and decision-making are affected in people living with HIV and/or substance use disorders. You may join one of four groups based on your HIV status and substance use history, and you will complete smell tests and computer tasks, with an optional MRI.
Baltimore, MarylandAges 18–65 - NCT07804121Recruiting
Police training to support public health in Kentucky
This study tests a training program for police officers to help them support public health in their communities. It may benefit officers by giving them tools to respond better to health-related situations.
Lexington, KentuckyAges 18 years+ - NCT07768007Recruiting
Methadone and memory study for opioid use disorder
This study tests whether a new approach can improve memory and mood in people taking methadone for opioid use disorder. It involves brain scans and may help with feelings of sadness or loss of interest.
New Haven, ConnecticutAges 18–50 - NCT06128772Recruiting
Acupuncture study for chronic pain
This study tests if battlefield acupuncture, a specific type of ear acupuncture using tiny needles or tacks, can help veterans with chronic pain. It may be a good option if you have a history of substance use disorder and are interested in a non-drug approach to pain relief over 16 weeks.
Bedford, MassachusettsAges 18 years+ - NCT07740395Recruiting
Support app for people in recovery and their loved ones
This study tests a support app (KulaMind-Recovery) that helps people in recovery stay connected with a loved one. You and someone important to you would both use the app to see if it helps your recovery journey.
Providence, Rhode IslandAges 18 years+ - NCT07707115Recruiting
Simulation training for resilience and empathy in birth care
This trial tests a simulation program to improve resilience and empathy among healthcare workers who interact with birthing individuals at the University of Utah Hospital. It may help you better cope with stress and connect with patients.
Salt Lake City, UtahAges 18 years+
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Common questions
- Are there clinical trials for substance use disorders?
- Yes. Clin2 currently lists 409 recruiting substance use disorders studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a substance use disorders trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a substance use disorders trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.