Clinical trials
Substance Use Risk clinical trials
Below are recruiting substance use risk clinical trials, each written for real people, not researchers. We’re tracking 55 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT07527871Enrolling by invitation
Emergency care screening and counseling for substance use prevention
This study tests whether screening patients in the emergency department for substance use, followed by a brief counseling session, can help prevent substance use problems and overdoses. You would be asked about your substance use and receive supportive counseling by phone or video.
Columbus, OhioAges 18 years+ - NCT04197921Recruiting
Brain-focused ultrasound for opioid addiction-related substance use
This trial studies Exablate, a non-surgical brain treatment that aims to change activity in a specific brain area involved in cravings and substance use. It is meant for people in structured opioid or substance use treatment who are currently abstaining from opioids and other illicit drugs.
Tampa, FloridaAges 18–60 - NCT06158607Recruiting
PrEP adherence help for women with substance use
This study tests a program to help Black and Hispanic women with substance use disorders take PrEP consistently to prevent HIV. The goal is to see if talking with a health coach can improve PrEP use and reduce HIV risk.
Houston, TexasAges 18–60 - NCT06442423RecruitingPhase 1
Psilocybin study for people with psychiatric symptoms
This trial tests if psilocybin, a substance found in certain mushrooms, can help people with various mental health symptoms that affect daily life. You would take a single dose in a supervised setting and be monitored for changes in your mood and well-being.
New Haven, ConnecticutAges 18 years+ - NCT06701487Recruiting
Brain learning mechanisms and substance use control
This study looks at how certain learning mechanisms in the brain (called Pavlovian conditioning) influence your ability to control alcohol or drug use. It may help explain why some people have trouble stopping, and could lead to better treatments. You'll fill out questionnaires and likely have a brain scan (MRI).
DresdenAges 18–65 - NCT06922721Recruiting
Addiction, trauma, and immigration study for young adults
This study looks at how addiction, trauma, and immigration affect young adults living in housing centers. It aims to better understand their needs and how to help them.
Jarville-la-MalgrangeAges 18–25 - NCT07281261Recruiting
Nerve stimulation for alcohol use disorder
This study tests whether a mild nerve stimulation device (tAN) can help reduce alcohol cravings and withdrawal. It's for people with moderate to severe alcohol use disorder who are going through withdrawal and do not use tobacco.
Houston, TexasAges 18–64 - NCT04812613Enrolling by invitation
Study of cannabis use and mental health support for Ottawa youth
This study looks at tobacco use alongside other addictions in young people in Ottawa who have unstable housing and mental health concerns, and who use cannabis or have used it before. It may offer support or new approaches aimed at reducing health risks related to tobacco and substance use.
Ottawa, OntarioAges 16 years+ - NCT04294134Enrolling by invitation
Support program for mothers in residential substance treatment
This trial tests a support program for mothers (pregnant or with young children) who are in residential substance use treatment. It aims to improve well-being, family stability, and child safety—especially when children are at risk or in out-of-home placement.
Philadelphia, PennsylvaniaAges Any age - NCT06585631Recruiting
Collaborative care for young men with HIV and substance use
This study looks at how to better support young men living with or at risk for HIV while also addressing substance use. You'll work with a care team that helps you stay healthy and connected to services.
Baltimore, MarylandAges 15–29 - NCT06432985Recruiting
Smoking Cessation Program for Veterans with Cancer
This study tests a video-based program to help Veterans who smoke and are being treated for cancer or lung cancer screening to quit. If you're a VA patient in San Francisco and currently smoke, you may be able to join.
San Francisco, CaliforniaAges 18 years+ - NCT06307977Recruiting
Couples counseling to reduce drug use and HIV risk
This study tests a couple-focused counseling approach to help male couples reduce drug use and lower the risk of HIV. You and your partner would join sessions together to talk about safer choices and support each other.
Detroit, MichiganAges 18–55 - NCT06206161Enrolling by invitation
School-based health screening study
This study tests a school program that asks students about their health habits and offers support. It is designed for high school students who are scheduled for this check-in.
Boston, MassachusettsAges 14–19 - NCT05576350Recruiting
Coaching to reduce risky drinking and HIV risk
This study tests an intervention (coaching/skills training) to help reduce risky alcohol use and reduce behaviors that increase HIV risk. It may help you if you drink in an at-risk way and may benefit from HIV prevention like PrEP.
New Haven, ConnecticutAges 18–35 - NCT07214467Recruiting
Adaptive brain stimulation for opioid use disorder
This study tests a new type of brain stimulation that adapts to your brain activity, aiming to reduce cravings and help you control opioid use. It is for people with long-standing opioid use disorder who have not gotten lasting relief from at least 3 treatment attempts, including medication.
San Francisco, CaliforniaAges 22–75 - NCT04811014RecruitingPhase 4
Helping young adults stop opioids after an emergency visit
This study offers an engagement program for young people who tested positive for opioids and meet criteria for opioid dependence. The goal is to help participants stop opioid use safely and learn whether this approach works well in the real-world emergency setting.
Houston, TexasAges 13–17 - NCT04998916Recruiting
Brain stimulation to reduce heavy drinking in alcohol use disorder
This trial tests a type of noninvasive brain stimulation to see if it can reduce drinking and related “wanting” to drink. It may help people with alcohol use disorder who are currently drinking heavily.
Charleston, South CarolinaAges 21–65 - NCT06963476Recruiting
Magnetic brain stimulation for substance use
This study uses a gentle magnetic stimulation (rTMS) to help people who are already in treatment for alcohol or opioid addiction. The goal is to see if adding rTMS can reduce cravings and improve recovery.
Hartford, ConnecticutAges 18–60 - NCT06952491Enrolling by invitation
Study on substance use and well-being
This trial tests a program to help people who use substances like cannabis, tobacco, or prescription drugs for nonmedical reasons. It aims to improve well-being and confidence in managing health.
San Mateo, CaliforniaAges 21 years+ - NCT05368571Recruiting
CHOICES program for teens at risk of pregnancy and STIs
This trial tests a teen-focused program (called CHOICES) to help reduce risky situations that can lead to pregnancy and sexually transmitted infections (STIs). It includes girls ages 14–19 who report recent risk behaviors around sex, condom use, and birth control.
Houston, TexasAges 14–19 - NCT05816083Recruiting
Virtual reality tool for teens and young adults after trauma
This study tests a virtual reality program to help young people who have been through serious violence or sexual assault (“ITE”). It’s also open to certain healthcare workers who support these young people.
Charleston, South CarolinaAges 15–30 - NCT05534568Recruiting
Parent support program for families affected by pregnancy substance use
This program aims to help mothers and young children get safer, better support services when substance use occurred during pregnancy. It may help connect you (or your child) to the right community resources and reduce risk of ongoing alcohol or drug exposure.
Oklahoma City, OklahomaAges 18 years+ - NCT07199335RecruitingPhase 4
Injectable HIV prevention drug for people who inject drugs
This study tests a long-acting injectable medication called cabotegravir to prevent HIV in people who inject drugs. If you have injected street drugs recently, you may be able to get this shot every few months instead of taking daily pills.
Boston, MassachusettsAges 18 years+
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Common questions
- Are there clinical trials for substance use risk?
- Yes. Clin2 currently lists 55 recruiting substance use risk 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 risk 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 risk 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.