Clinical trials
Drug Use Disorders clinical trials
Below are recruiting drug use disorders clinical trials, each written for real people, not researchers. We’re tracking 278 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06969170RecruitingPhase 2
Psilocybin oral solution for generalized anxiety disorder trial
This study tests a psilocybin oral solution in adults with generalized anxiety disorder (GAD). It aims to see if the drug is safe, tolerable, and helpful for reducing anxiety symptoms.
Kingston, OntarioAges 18–60 - NCT06794983Recruiting
Support after jail for health and substance use
This study tests a program that helps people leaving jail connect with healthcare and community services. It is for adults with a history of substance use and a chronic health condition who qualify for Wisconsin Medicaid.
Madison, WisconsinAges 18 years+ - NCT06573476Recruiting
Smartphone app and peer coach for opioid treatment
This study tests whether a smartphone app and support from a peer recovery coach can help Black and Latinx individuals with opioid use disorder start buprenorphine treatment. The goal is to reduce overdose deaths and address racial gaps in care.
New York, New YorkAges 18–99 - NCT05958017Recruiting
ReSET program to help stimulant use in HIV clinics
This study tests a care-support program called ReSET to improve adherence to treatment and reduce stimulant use for people living with HIV who are not currently in drug treatment. You may be offered support through HIV clinic care to help you stay on track, especially if you have access to a smartphone and stable housing.
Miami, FloridaAges 18–90 - NCT06860607RecruitingPhase 1
Environment and Alcohol: A Pilot Study
A pilot study exploring the interaction between environment and alcohol consumption in individuals with alcohol use disorder (AUD), using smartphone-based ecological momentary assessment (EMA).
Baltimore, MarylandAges 21–100 - NCT05684094Recruiting
Study links sleep, stress, and brain reward in risky drinking
This study looks at how sleep timing and stress affect brain responses related to reward and stress in young adults who drink heavily. It may help researchers understand why some people take bigger alcohol risks and how sleep and stress could be part of safer treatment.
Eugene, OregonAges 18–24 - NCT06952491Enrolling by invitation
Substance use support program
This study tests an online program that offers personalized education and support to help people who use substances improve their well-being and feel more confident in managing their health.
San Mateo, CaliforniaAges 21 years+ - NCT07649278Recruiting
ENHANCE project toolkit for safer drug use
This study is building a toolkit to improve harm reduction services for people who use drugs. You may be able to join if you've used certain drugs recently and feel you need more support.
Madison, WisconsinAges 18 years+ - NCT04084860RecruitingPhase 2
Brief medicine trial to help reduce heavy alcohol drinking
This Phase 2 study tests a brief medication approach meant to reduce “problem drinking.” It may help people cut back or stop alcohol use by adjusting brain signaling related to drinking cravings and urges.
New York, New YorkAges 21–70 - NCT06189690Recruiting
Brain stimulation study for cocaine addiction
This trial tests whether a non-invasive brain stimulation technique called high-frequency repetitive transcranial magnetic stimulation (HF rTMS) can help reduce cocaine cravings and change brain chemistry. It may be a good option if you have cocaine use disorder and want to explore a new treatment that doesn't involve medication.
Mexico City, TlalpanAges 18–50 - NCT07815691RecruitingPhase 2
Cannabis and the brain reward system study
This study looks at how cannabis affects your brain's reward system using MRI scans. It aims to understand why some people develop cannabis use disorder, which may lead to better treatments.
Charleston, South CarolinaAges 21–45 - 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+ - NCT07644052RecruitingPhase 3
Study of a new medicine to ease cannabis withdrawal
This study tests a new medicine, PP-01, to help adults who use cannabis daily and want to quit. It aims to reduce withdrawal symptoms like anxiety, irritability, and sleep problems during the first week after stopping.
Little Rock, ArkansasAges 18–55 - NCT06544057Recruiting
E-counseling to help quit smoking or vaping
This trial tests a real-time e-counseling program to help adults quit smoking or vaping. It is designed for those who are motivated to stop using nicotine and set a quit date.
Leicester, MidlandsAges 18–65 - NCT07610746Recruiting
Brain Blood Flow in Newborns Exposed to Opioids Before Birth
This study looks at how opioid exposure during pregnancy affects blood flow and brain function in newborns. Researchers will compare babies exposed to opioids in the womb with babies who were not exposed, to better understand how prenatal opioid exposure affects the developing brain.
Indianapolis, IndianaAges Up to 1 day - NCT07602270Recruiting
How a Ketogenic Diet Affects Alcohol in Your Body
This study tests whether eating a ketogenic diet (very low carb, high fat) changes how your body processes alcohol. Researchers will have you follow a special diet and then measure your body's response to controlled amounts of alcohol in a lab setting.
Philadelphia, PennsylvaniaAges 21–50 - NCT07532460Recruiting
Study of brain channels and memory in cocaine users
This research explores how certain brain chemicals (potassium channels) affect memory and thinking in people who use cocaine regularly. The study may help develop better treatments for cocaine use disorder and related thinking problems.
Zurich, Canton of ZurichAges 20–50 - NCT07457489Recruiting
Brain stimulation for opioid recovery
This study tests a non-invasive brain stimulation technique called TMS to see if it can reduce opioid cravings and help people who are already taking buprenorphine stay in recovery. TMS uses magnetic pulses to stimulate parts of the brain involved in addiction.
Brentwood, TennesseeAges 18–65 - NCT05726045Recruiting
Sleep-based brain training to help you quit smoking
This study tests a way to improve smoking cessation using special sleep-based brain stimulation and memory support. If it works, it may help you stay committed to quitting by strengthening helpful brain learning during sleep.
Mannheim, Baden-WurttembergAges 18–65 - NCT07439549RecruitingPhase 4
Quick-start buprenorphine with naloxone for opioid use disorder
This study tests a faster way to start buprenorphine (a medication for opioid use disorder) by using naloxone to briefly trigger mild withdrawal. This could help people get started on treatment more comfortably and quickly.
Vancouver, British ColumbiaAges 19 years+ - NCT07433985Recruiting
California mobile app study for men after jail release
This study tests a mobile app to help men recently released from jail or prison who use drugs or have sex with men stay healthy and avoid HIV. It's for people who don't have HIV and live in certain California counties.
Oakland, CaliforniaAges 18–59 - NCT07303608Recruiting
Tracking progress in social services to improve outcomes
This study looks at whether regularly checking in on your progress and giving feedback to your social worker can help improve the support you receive. If you are getting help from social services, you may be able to take part.
LinköpingAges 15 years+ - NCT07217795Recruiting
Recovery group for LGBTQ+ mental health and substance use
This trial is testing a new type of talk therapy program designed to help sexual minority women and transgender/gender diverse people recover from mental health and substance use challenges. It focuses on learning coping skills, building self-confidence, solving problems, and finding community support.
Providence, Rhode IslandAges 18 years+ - NCT07193914Recruiting
Program for people with addiction and trauma
This trial tests a program called ECCCLORE to help people who struggle with both addiction and trauma. It aims to see if the program can improve their well-being.
Nîmes, NîmesAges 18 years+
Hear when a new Drug Use Disorders trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for drug use disorders?
- Yes. Clin2 currently lists 278 recruiting drug 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 drug 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 drug 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.