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 289 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06494891RecruitingPhase 2
Understanding motivation for IV alcohol drinking
This study looks at why people with alcohol use disorder choose to drink alcohol given through an IV. The goal is to better understand the motivation behind drinking, which could help improve treatments.
Los Angeles, CaliforniaAges 21–65 - 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 - NCT06544291RecruitingPhase 2
THC and CBD for pain and opioid use disorder
This study tests whether a combination of THC and CBD can help people who have both opioid use disorder and chronic low back pain. You would need to be on a stable dose of methadone and have used cannabis at least once in your life.
New Haven, ConnecticutAges 18–65 - NCT06582888RecruitingEarly Phase 1
VR attention test for smoking cravings
This study tests whether a virtual reality (VR) program can measure how your brain pays attention to smoking cues. It also involves taking a medication called varenicline (Chantix) to see if it reduces cravings. You may be eligible if you are a daily smoker, have been smoking for at least 3 years, and are not ready to quit in the next month.
San Diego, CaliforniaAges 22 years+ - NCT06617312RecruitingPhase 2
Cytisinicline and brain response to smoking cues
This study tests how a medicine called cytisinicline (similar to a plant-based stop-smoking aid) affects brain activity when you see or think about smoking. It may help researchers understand how the medicine works, even if you aren't ready to quit right now.
Los Angeles, CaliforniaAges 18–65 - NCT06639464RecruitingPhase 2
Semaglutide to help with opioid recovery
This trial tests if semaglutide, a medicine sometimes used for weight management, can help people recovering from opioid use disorder stay on track. It is for adults who have already started buprenorphine treatment and are ready to take part in a research study.
Boston, MassachusettsAges 18 years+ - NCT04161066RecruitingPhase 1
Psilocybin plus buprenorphine to help opioid use disorder symptoms
This Phase 1 study tests how adding psilocybin to a standard opioid treatment (buprenorphine-naloxone) affects recovery and symptoms in people with moderate-to-severe opioid use disorder. It may help researchers understand whether this combination is safe and beneficial alongside medication for opioid withdrawal and cravings.
Madison, WisconsinAges 21–65 - NCT06774248Recruiting
Teen opioid recovery support program with medication
This study tests a program called YORS that helps teens with opioid use disorder stick with their medication. It involves you and a support person (like a parent) working together with the study team to stay on track.
Baltimore, MarylandAges 13–21 - NCT06786325RecruitingPhase 2
Psilocybin treatment study for opioid use disorder
This trial tests whether psilocybin can help people recovering from opioid use disorder while living at a residential treatment center. If you are already taking buprenorphine/naloxone (Suboxone), methadone, or have received Sublocade, this study may be an option for you.
Philadelphia, PennsylvaniaAges 18–60 - NCT06810310RecruitingPhase 2
Psilocybin for motivation in opioid use disorder
This study tests whether a single dose of psilocybin (the active ingredient in magic mushrooms) can help people with opioid use disorder stay motivated in recovery. It uses brain scans to see how psilocybin affects brain areas linked to motivation.
Philadelphia, PennsylvaniaAges 18–60 - NCT06877858RecruitingPhase 1
MethaLoad dose-finding study for opioid use disorder
This study tests a new way to start methadone treatment (called 'MethaLoad') for people with opioid use disorder who have used fentanyl. If you qualify, you will receive methadone to help manage withdrawal and reduce cravings, and the doctors will closely monitor your safety and response.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06899594RecruitingEarly Phase 1
Psilocybin for quitting methamphetamine
This trial tests whether psilocybin (a psychedelic medicine) can help people quit methamphetamine. You'll receive counseling before, during, and after the drug session, and your progress will be followed for several months.
Shreveport, LouisianaAges 25–65 - NCT06940674RecruitingPhase 3
CBD plus opioid treatment for recovery
This study tests whether adding cannabidiol (CBD) to your usual methadone or buprenorphine treatment helps you recover from opioid use disorder. If you're already in stable treatment with those medications, the trial aims to see if CBD can improve your outcomes.
New York, New YorkAges 18–65 - NCT06949826RecruitingPhase 4
Buprenorphine for pain after ankle fracture surgery
This trial tests if buprenorphine, a non-opioid pain medicine, works well for people who have not used opioids before. After ankle fracture surgery, you would get buprenorphine instead of stronger opioids to see if it controls pain just as well with fewer side effects.
St Louis, MissouriAges 18 years+ - NCT07027839RecruitingPhase 1
Alcohol effects on brain imaging for phosphodiesterase
This study uses PET scans to see how alcohol affects a protein in the brain called PDE4B. It may help explain how alcohol works in the body.
Bethesda, MarylandAges 21–70 - NCT07085351Recruiting
Brain activity study for opioid use disorder
This study uses brain wave recordings (EEG) to understand opioid use disorder and find better ways to diagnose and treat it. You may join if you have opioid use disorder or are a healthy volunteer.
Chicago, IllinoisAges 22–85 - NCT07118618RecruitingPhase 2
Probenecid for alcohol cravings and drinking
This study tests if the medication probenecid can help reduce cravings for alcohol and the amount you drink. It is for people who drink heavily and have moderate to severe alcohol use disorder.
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+ - 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+ - NCT07225777RecruitingPhase 2
THC's effects on brain and behavior by sex
This study looks at how THC affects men and women differently, focusing on brain activity and behavior. It may help understand why some people react differently to cannabis.
Charleston, South CarolinaAges 21–45 - 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+ - 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 - 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+ - NCT06432465Recruiting
Brain stimulation to help prevent opioid relapse
This study uses a type of brain stimulation called tDCS (transcranial direct current stimulation) to see if it can help people who have recently started medication for opioid dependence (buprenorphine or methadone) stay on track and avoid relapse. The treatment is non-invasive and involves a mild electrical current applied to the scalp.
Providence, Rhode IslandAges 21–60
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 289 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.