Clinical trials
Substance Use clinical trials
Below are recruiting substance use clinical trials, each written for real people, not researchers. We’re tracking 220 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07731295Recruiting
Pain management study for teens getting wisdom teeth removed
This study looks at how to improve pain management after wisdom tooth extraction. It focuses on teens and young adults who use cannabis regularly, to see how it affects pain and recovery.
Providence, Rhode IslandAges 15–20 - NCT04296604Recruiting
tDCS brain stimulation to improve thinking and mood
This study tests whether a non-surgical brain stimulation called tDCS can improve “executive function,” which means skills like planning, focus, and decision-making. It is designed for people with several mental health and substance-use conditions, and it may help you if those skills are affected by your diagnosis.
Boston, MassachusettsAges 18–65 - NCT04366531Recruiting
START-VETS support after prison for veterans
This study is looking at tools to help veterans who recently left prison successfully transition back into everyday life, especially when they have mental health and/or substance use concerns. It may help by teaching practical support and coping strategies during reintegration.
Dallas, TexasAges 18 years+ - NCT04610697Recruiting
Cognitive training for people in forensic mental health care
This trial studies whether a structured “cognitive remediation” program (training thinking skills) can help people receiving care on a forensic treatment unit. It may benefit those who want support improving attention, memory, or problem-solving as part of their treatment.
Ottawa, OntarioAges 18–55 - NCT05630781Recruiting
Orexin's role in the neurobiology of addiction
This study looks at how a brain chemical called orexin affects addiction. Researchers will give a medication that blocks orexin to see if it helps reduce cravings or use. It might help people who smoke or vape regularly.
Baltimore, MarylandAges 18–60 - NCT05156112Recruiting
PAP breathing treatment for veterans with PTSD and substance use
This trial studies whether using a PAP breathing device (a machine that helps keep airways open during sleep) can help veterans who have PTSD and a substance use disorder while they receive residential treatment. It’s specifically for people with obstructive sleep apnea and aims to see if this treatment is safe and helpful during recovery.
San Diego, CaliforniaAges 18 years+ - NCT05253235Recruiting
Health and resilience program for Black youth and their caregivers
This study tests a “health and resilience” support program for Black/African American youth and their primary caregiver, using questionnaires and possibly brain scans. It may help families build coping skills and track changes in health-related responses over time.
Athens, GeorgiaAges 10–13 - 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+ - NCT05562557Recruiting
Fatherhood program to improve outcomes and support families
This study partners with fathers to help improve family outcomes, especially when there are worries about substance use in the household. You may be able to join if you are a father caregiver and your family has an identified risk for substance use, and you speak English or Spanish.
The Bronx, New YorkAges 18 years+ - NCT05563363Recruiting
Home-based treatment for severe addiction problems
This trial tests a home-based treatment approach for adults with severe substance use problems. It may help you and your care team manage addiction with structured support while you stay at home.
GenevaAges 18 years+ - NCT05700474Recruiting
Wellness support program for people with HIV or prevention needs
This trial tests an education and support program to improve overall wellness for adults who have HIV or are seeking HIV prevention services. It also looks at people who have had alcohol or substance use recently.
Charlotte, North CarolinaAges 18 years+ - NCT05743699Recruiting
Bright Horizons program for Native teens with recent binge drinking
This study tests the Bright Horizons program to help Native American youth who recently had a binge alcohol event. It looks at whether support and skills can reduce risky drinking and improve safety and wellbeing.
Whiteriver, ArizonaAges 10–24 - NCT05768815Recruiting
Services for families with young children after early adversity
This study compares two programs that aim to improve mental health for parents and families with babies and young children who have faced early difficulties. It may help you see which approach works best for supporting your child and family.
Surrey, British ColumbiaAges Any age - NCT05776316Recruiting
Harm-reduction support for adults using opioids
This trial offers harm-reduction services for adults who have been misusing opioids (and sometimes other substances) recently. It’s designed to test support approaches that may reduce risks and improve well-being.
New Haven, ConnecticutAges 18 years+ - 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 - NCT05836090Recruiting
Family Spirit Strengths program for pregnant people and caregivers
This trial tests a family-focused program to support mental health and reduce risks related to substance use. It may help you if you’re pregnant or caring for a child 24 months or younger and you’re experiencing depression/anxiety and/or substance-use risk.
Chinle, ArizonaAges 14 years+ - NCT06115746Recruiting
A drug education program for middle and high school students
This study tests a program called iDECIDE, which helps students who have had a substance use issue at school. The program aims to provide education and support instead of punishment. Participants will attend up to 9 online study visits over about a year.
Boston, MassachusettsAges 9–22 - 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+ - NCT06216600Recruiting
Women's strength and resilience program for HIV and substance use
This study tests a program for women living with HIV who also struggle with substance use or heavy drinking. It combines exercise and support to help build strength and resilience. You may qualify if you've missed some HIV medications, have a detectable viral load, and have experienced violence.
San Diego, CaliforniaAges 18 years+ - NCT06324318RecruitingPhase 2
Parenting program for American Indian families in cities
This study tests a parenting program for American Indian parents and their children aged 12-17 who live in cities. It aims to help families strengthen their connections and support healthy development.
Phoenix, ArizonaAges 12 years+ - NCT06477588Recruiting
HIV services and job help for justice-involved Black men
This study helps Black men who have sex with men or other key populations who have been involved with the justice system get HIV services and job support. It aims to connect you to care and employment help, especially if you aren't already receiving HIV or PrEP care.
Chicago, IllinoisAges 18 years+ - NCT06479980Recruiting
Single session narrative therapy study
This study tests a single session of narrative therapy to help patients at the clinic process personal stories and improve well-being. It is for adults who can complete surveys in English.
Seattle, WashingtonAges 18 years+ - NCT06526143Recruiting
Pain care pathway for recent veterans
This study tests a new approach to help veterans manage pain in their back, neck, knee, or shoulder after leaving the military. It includes phone or online check-ins and support tailored to your needs.
West Haven, ConnecticutAges 18 years+ - NCT06558825Recruiting
PrEP support for women with trauma history
This study tests a program to help women who have experienced trauma and are at risk for HIV start and stay on PrEP (a daily pill that prevents HIV). It looks at whether mental health treatment can boost PrEP use.
Houston, TexasAges 18 years+
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Common questions
- Are there clinical trials for substance use?
- Yes. Clin2 currently lists 220 recruiting substance use 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 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 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.