Clinical trials
Substance Abuse Disorder clinical trials
Below are recruiting substance abuse disorder clinical trials, each written for real people, not researchers. We’re tracking 52 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06676059Recruiting
Substance use monitoring study with a smartphone app
This study uses a smartphone app and daily surveys to track alcohol or drug use. It aims to create a database for future research on addiction patterns and recovery.
Baltimore, MarylandAges 18–120 - 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+ - NCT07523633RecruitingPhase 2
Semaglutide to help reduce cannabis use disorder
This trial tests whether a medication called semaglutide (used for weight management) can help adults with cannabis use disorder cut down or stop using cannabis. Researchers want to see if it reduces cravings and use while also monitoring overall health.
FrederiksbergAges 18–70 - 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 - NCT06995885Enrolling by invitation
A study to improve tracking of opioid use in the fentanyl era
This study aims to develop a better tool for recalling and tracking opioid use patterns, especially with fentanyl. It may help people who use opioids outside of medical settings to more accurately report their use.
Baltimore, MarylandAges 18–99 - NCT06415721Recruiting
TMS guided by brain scans for alcohol use disorder
This study uses a brain stimulation technique called TMS combined with MRI scans to treat alcohol use disorder. It aims to see if targeting specific brain connections can help reduce drinking.
Palo Alto, CaliforniaAges 25–75 - 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 - 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 - NCT07750639Enrolling by invitationPhase 4
Reducing painkiller use after hand surgery
This study tests a new approach to prescribing fewer opioid pain pills after hand, wrist, or elbow surgery. It aims to help reduce the risk of opioid misuse while still controlling pain after surgery.
Orlando, FloridaAges 18 years+ - 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+ - NCT04459000Recruiting
Pregnant substance-use support through a prenatal clinic program
This trial is for pregnant people who are dealing with substance use during pregnancy and can receive care at a specific prenatal clinic. It aims to help connect participants to treatment and support resources.
Oklahoma City, OklahomaAges Up to 55 years - NCT07466784Recruiting
Opioid use registry for emergency patients
This study is for people who come to the emergency department because of an opioid overdose, withdrawal, or related problem. It will collect information about patients' experiences to help improve care and support for opioid use.
Vancouver, British ColumbiaAges Any age - 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+ - NCT05619185Recruiting
Online program to help couples reduce risky drinking
This study tests an adaptive (tailored) online program to help service members and their partners cut down risky alcohol use. It also focuses on whether couples can practice healthier communication and coping skills while feeling safe together.
Palo Alto, CaliforniaAges 18 years+ - NCT02757339Enrolling by invitation
Study of brain differences in dissociation after abuse
This study looks at brain activity and biology in women who have PTSD or dissociative identity disorder (DID) with a history of childhood abuse or neglect. It may help researchers understand what causes “traumatic dissociation” and how it develops.
Belmont, MassachusettsAges 18–89 - NCT06405607RecruitingPhase 2
Psilocybin vs Ketamine for Alcohol Use Disorder Trial
This trial tests two psychedelic-assisted therapies, psilocybin and ketamine, to see which works better for reducing heavy drinking in people with alcohol use disorder (AUD). You'll receive either drug along with counseling, and the study monitors safety closely.
Iowa City, IowaAges 21–65 - NCT06265506Recruiting
Virtual Reward Program for Cutting Back on Heavy Drinking
This study tests a virtual program that rewards you for reducing heavy drinking. You'd use a phone app, check in via Zoom, and get a glimpse into your drinking patterns through a blood test. It might be a good fit if you want to cut back on heavy drinking without going to an in-person clinic.
Spokane, WashingtonAges 18 years+ - NCT02604277Recruiting
Study of suicidal behavior in people with bipolar disorder
This study looks at suicidal thoughts or behaviors in people diagnosed with bipolar disorder. It may help researchers understand what leads to suicidal risk and how to better support safety and treatment.
Atlanta, GeorgiaAges 18–64 - NCT06650267RecruitingPhase 2
Substance use and family violence treatment for fathers
This study tests a treatment program for fathers who have both a substance use disorder and a history of family violence within the last 18 months. The goal is to see if the program helps reduce substance misuse and improve family relationships.
New Haven, ConnecticutAges 18 years+ - NCT06991205Recruiting
Web mind-body program for pain and substance use
This trial tests a web-based mind-body program to help people who have ongoing arm or hand pain and also use substances like alcohol or cannabis. It aims to improve resilience and reduce pain without requiring in-person visits.
Boston, MassachusettsAges 18 years+ - NCT05854667RecruitingPhase 2
High-dose lisdexamfetamine with rewards for meth use changes
This Phase 2 study tests high-dose lisdexamfetamine (a prescription stimulant) to help people reduce or stop methamphetamine use. It also uses “contingency management” (rewards tied to meeting goals) to encourage treatment participation and lower use.
Vancouver, British ColumbiaAges 18–55 - NCT07091292Recruiting
Exercise as a treatment for cannabis use
This study tests whether regular exercise can help young adults reduce or stop their cannabis use. It may be a good fit if you are 18-40, use cannabis as your main drug, and want to try an exercise-based approach.
Hong KongAges 18–40 - NCT03745339Recruiting
Smell-based memory task in people with opioid-use disorder
This study tests how people learn and infer what something means using a smell-and-memory task. It compares people with opioid-use disorder who are abstinent, those in maintenance treatment, and healthy controls to see what affects learning and decision-making after opioid use.
Baltimore, MarylandAges 21–60 - NCT06269627RecruitingPhase 4
Brain activity study for alcohol use treatment
This trial tests how the medication acamprosate affects brain activity in people with moderate to severe alcohol use disorder. It may help researchers understand how this treatment works.
Bethesda, MarylandAges 21–65
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Common questions
- Are there clinical trials for substance abuse disorder?
- Yes. Clin2 currently lists 52 recruiting substance abuse disorder 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 abuse disorder 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 abuse disorder 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.