Clinical trials · Washington, D.C., DC
Substance Use Disorders clinical trials in Washington, D.C.
We’re tracking 34 recruiting substance use disorders studies with a site in or near Washington, D.C. — including Phase 1 and Phase 2 studies, each written for real people, not researchers.
Recruiting studies near Washington, D.C.
- NCT07637669Recruiting
Smell and decision-making in people with HIV and substance use
This study looks at how smell and decision-making are affected in people living with HIV and/or substance use disorders. You may join one of four groups based on your HIV status and substance use history, and you will complete smell tests and computer tasks, with an optional MRI.
Baltimore, MarylandAges 18–65 - 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 - 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 - NCT06943859RecruitingPhase 2
Ketamine for opioid use disorder
This study tests whether ketamine, when added to methadone treatment, helps reduce opioid use and cravings. It is for adults with opioid use disorder who are already in a methadone program and have had recent cravings or illicit use. The trial involves multiple visits and follow-up assessments.
Baltimore, MarylandAges 18–65 - 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 - NCT05445804RecruitingPhase 1
Oral cannabidiol (CBD) to help you quit tobacco
This Phase 1 study tests whether taking oral CBD can help people quit tobacco. It also checks safety and helps researchers learn how people respond to the treatment while they practice quitting.
Baltimore, MarylandAges 18–65 - NCT06660381RecruitingPhase 1
Psilocybin therapy for cannabis use disorder
This study tests if psilocybin (a substance that can change how you think and feel) can help people reduce or stop using cannabis. You will receive support and be monitored closely throughout the trial.
Baltimore, MarylandAges 18 years+ - NCT06552741Recruiting
Screening for substance and alcohol use studies
This study screens people with or without past or current substance or alcohol use problems. It helps the researchers see if you might qualify for other studies at the NIDA research center.
Baltimore, MarylandAges 18–99 - 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 - NCT06548490RecruitingPhase 2
Semaglutide for Opioid Use Disorder
This study tests whether a once-weekly injection of semaglutide (a GLP-1 receptor agonist) can reduce opioid use in people who are already on buprenorphine or methadone but still using opioids. It lasts about 19 weeks.
Baltimore, MarylandAges 18–75
Hear when a new Substance Use Disorders trial opens near Washington, D.C., DC
We’ll email you when one opens near Washington, D.C., DC — at most once a week, no account needed, unsubscribe anytime.
Substance Use Disorders trials in other cities
Where these studies are running near Washington, D.C.
Institutions with a site for the recruiting substance use disorders studies listed above.
- National Institute on Drug Abuse · 5 studies
- Johns Hopkins University · 2 studies
- Johns Hopkins Center for Adolescent and Young Adult Health
- University of Maryland Addiction Programs and Affiliated Clinics
- University of Maryland, Baltimore
What taking part in a substance use disorders study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Common questions
- Are there substance use disorders clinical trials near Washington, D.C.?
- Yes. We're currently tracking 34 recruiting substance use disorders studies with a site near Washington, D.C., each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a substance use disorders study near Washington, D.C.?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Washington, D.C. to take part?
- Not necessarily. These studies have a site near Washington, D.C., but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a substance use disorders trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New substance use disorders studies open near Washington, D.C. regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.