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
- 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+ - NCT06432985Recruiting
Smoking cessation coaching for veterans with cancer
This study tests a counseling program to help veterans who smoke quit smoking, especially those undergoing cancer treatment or lung cancer screening. It may improve health outcomes during cancer care.
San Francisco, CaliforniaAges 18 years+ - NCT06424184Recruiting
Fast brain stimulation for addiction and depression
This study tests a quick, non-invasive brain stimulation method (rTMS) to help people who use stimulants like cocaine or methamphetamine and also feel depressed. The goal is to see if it can reduce cravings and improve mood.
Dallas, TexasAges 18–65 - NCT06415994Enrolling by invitation
Placental imaging and outcomes in opioid use disorder in pregnancy
This study looks at how the placenta and baby's development may be affected when a mother takes buprenorphine or methadone for opioid use disorder during pregnancy. It aims to find better ways to monitor health and improve outcomes for both mothers and babies.
Indianapolis, IndianaAges 18–100 - NCT06413979Recruiting
Family support program for teens with substance use and mood or anxiety issues
This trial offers a family support program for teens with both substance use and internalizing problems like depression or anxiety. The goal is to help you and your caregiver work together to manage symptoms and improve well-being.
Jacksonville, FloridaAges 13–21 - NCT06370481Recruiting
HIV and addiction training program for Alabama clinics
This study tests a program to help people living with HIV in Alabama who also struggle with opioid or stimulant use. It takes place at your HIV clinic and checks whether a new approach to addiction care can improve your health.
Birmingham, AlabamaAges 18 years+ - NCT06335407RecruitingPhase 1
Testing a new under-the-tongue med for alcohol use and trauma
This study tests a new sublingual (under-the-tongue) medication for people with alcohol use disorder who have also had a traumatic life event. It aims to see if the medication can help reduce drinking and related symptoms.
West Haven, ConnecticutAges 21–65 - NCT06320015Recruiting
Peer support for recovery after an emergency visit
This trial tests whether a peer recovery worker can help adults who came to the emergency room for a drug- or alcohol-related problem stay engaged in recovery. If you join, you'll get extra support from someone who has been through similar experiences.
Providence, Rhode IslandAges 18 years+ - NCT06296186Recruiting
PTSD treatment for veterans in substance use recovery
This trial tests a condensed form of prolonged exposure therapy for PTSD in veterans who are also receiving treatment for a substance use disorder. The goal is to help you process trauma and reduce substance use together.
San Diego, CaliforniaAges 18 years+ - 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 - NCT06103370Recruiting
HIV prevention via telemedicine and peer networks
This study tests how well a program combining telemedicine (virtual doctor visits) and peer support can help prevent HIV among people who inject drugs. You'd get trained, attend weekly group sessions, and invite a friend or partner to also take part.
Baltimore, MarylandAges 18 years+ - NCT05974202Recruiting
Brain stimulation and therapy for cocaine use
This study tests a combination of brain stimulation (rTMS) and talk therapy (CBT) to help people reduce cocaine use. It's for adults who want treatment and use cocaine at least once a week.
New York, New YorkAges 22–65 - NCT05943171Recruiting
App-based CBT for substance dependence and relationship aggression
This study tests an app-guided version of CBT (a structured talk-therapy approach) against standard CBT to help people with substance dependence and recent verbal aggression in an intimate relationship. You may be screened to see if you fit both the substance use and relationship aggression parts of the trial.
Rochester, New YorkAges 18–65 - NCT05959434RecruitingPhase 2
Therapy program to reduce drinking relapse and PTSD symptoms
This Phase 2 study tests a combined therapy approach for people who have both alcohol use disorder and post-traumatic stress disorder (PTSD). It aims to help you process stressful memories and lower the chances of relapse back to heavy drinking.
Charleston, South CarolinaAges 18 years+ - NCT05934305Recruiting
Help for shame and stigma in HIV and substance use
This study tests whether a program can reduce shame and stigma for people living with HIV who also have a substance use disorder. It may help you feel less judged and cope better, while supporting HIV care.
Miami, FloridaAges 18 years+ - NCT05855668Recruiting
Study how brain and behavior differ in alcohol and cannabis use
This study looks at how people’s thoughts, brain-related measures, and behaviors differ between alcohol use disorder and cannabis use disorder. You may be asked to join group psychotherapy and complete assessments, which could help improve how care is planned for people like you.
Toronto, OntarioAges 18 years+ - NCT05854836Recruiting
Pre-pregnancy support for incarcerated women with substance use
This study tests a preconception (before pregnancy) support program for incarcerated women who have used substances and could become pregnant. It may help improve health and planning before a future pregnancy.
St Louis, MissouriAges 18–49 - NCT05538910Recruiting
Brain imaging study on substance use and depression
This study uses brain scans to understand how substance use and mental illness, like depression, are linked. It may help develop better treatments by looking at brain activity in people with and without depression.
Baltimore, MarylandAges 18–60 - NCT05515354RecruitingPhase 4
Smoking quit plan matched to your menstrual cycle phase
This Phase 4 study tests a smoking-quit treatment plan timed to your menstrual cycle. It may help you quit smoking and learn how quitting support works for people who menstruate regularly.
Toronto, OntarioAges 18–40 - NCT05547048RecruitingPhase 4
Phone-based support to help prevent HIV in justice-involved women
This study tests an integrated phone-based health program (e-health) designed for women involved with the justice system who have opioid use disorder. It aims to help people who qualify for HIV prevention (PrEP) stay protected, especially by using simple, ongoing support through phone access.
Birmingham, AlabamaAges 18 years+ - NCT05486234Recruiting
Study to reduce cannabis and alcohol use with teen and caregiver
This study looks at ways to help teens cut down on cannabis and alcohol use. You may qualify if you’ve been using both in the last three months and your caregiver is able to join and consent.
Charleston, South CarolinaAges 13–17 - NCT05445180Recruiting
Brain scan study of thinking in cannabis users with psychosis
This study uses brain imaging to understand how thinking works in people who use cannabis, comparing those with psychosis to people without psychosis. It may help researchers learn what brain patterns relate to thinking difficulties and how cannabis use fits in.
Montreal, QuebecAges 16–80 - NCT05327504Recruiting
Writing therapy for PTSD and substance use in veterans
This study tests a structured “written exposure” therapy to help veterans with PTSD who also have a substance use disorder (SUD). It may help reduce PTSD symptoms while also supporting safer, more stable recovery.
West Haven, ConnecticutAges 18 years+ - NCT05156112Recruiting
Sleep apnea treatment for veterans with PTSD and substance use
This study tests whether treating sleep apnea with a breathing device during a residential program helps veterans with post-traumatic stress disorder (PTSD) and substance use problems. It aims to improve their recovery and quality of life.
San Diego, CaliforniaAges 18 years+
Hear when a new Substance 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 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.