Clinical trials
Drug Use Disorders clinical trials
Below are recruiting drug use disorders clinical trials, each written for real people, not researchers. We’re tracking 287 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05769218Recruiting
Rapid HIV prevention and opioid treatment access for people who inject
This study helps people who inject drugs start HIV prevention (PrEP) and medication for opioid use disorder (MOUD) faster. It may reduce HIV risk and improve access to treatment, while the study checks whether the “rapid access” approach works.
Boston, MassachusettsAges 18 years+ - NCT07028983Recruiting
Music therapy for drug and alcohol addiction recovery
This trial tests if adding music therapy to standard addiction treatment helps people recover from substance use disorders. It is for adults who have completed detox and are not currently going through detox.
ViennaAges 18 years+ - NCT06324786Recruiting
Brain training to reduce alcohol, cannabis, and tobacco use
This study tests whether a type of brain training called neurofeedback can help people reduce their use of alcohol, cannabis, and cigarettes. If you're an adult who uses all three heavily and have no other mental health conditions, you may be eligible.
Phoenix, ArizonaAges 18 years+ - NCT03764098RecruitingPhase 2
Guanfacine to reduce heavy drinking in adults with alcohol use disorder
This Phase 2 study tests whether guanfacine can reduce drinking in women and men who drink heavily and meet criteria for alcohol use disorder. It also looks at how the medicine affects drinking patterns in a controlled setting.
New Haven, ConnecticutAges 21–70 - NCT05957848RecruitingPhase 2
Guanfacine for teens with cannabis use problems
This Phase 2 study tests whether extended-release guanfacine can reduce cannabis use in adolescents and young adults. It may help by targeting brain pathways that can drive cravings or continued use.
Parkville, VictoriaAges 12–25 - NCT06541028Recruiting
Quick-start HIV treatment study for people who inject drugs
This study tests a rapid-start antiretroviral therapy (ART) approach for people who inject drugs and have HIV. The goal is to see if starting HIV medicine quickly helps reduce stigma and improve health outcomes.
KajangAges 18 years+ - NCT06030154Recruiting
Boosting positive feelings for people with alcohol use disorder
This study tests a program designed to help people with alcohol use disorder who also struggle with low mood or anxiety. It aims to increase positive emotions, which may make it easier to reduce drinking.
Tulsa, OklahomaAges 18–65 - NCT06218056RecruitingPhase 2
CBD for reducing cigarette smoking in a treatment center
This study tests whether a daily dose of cannabidiol (CBD) can help people who smoke at least 5 cigarettes a day cut down or quit. It is for people staying at a treatment center in Los Angeles where cannabis use is not allowed.
North Hollywood, CaliforniaAges 18–65 - NCT06379984RecruitingPhase 2
Quick-start buprenorphine for opioid addiction with fentanyl use
This trial tests a way to quickly start buprenorphine (a medication for opioid addiction) in an outpatient clinic for people who use fentanyl. It aims to make starting treatment easier and faster, without needing to go through full withdrawal first.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07042451Recruiting
Testing a phone app to support recovery after substance use treatment
This trial is testing whether a smartphone app called Pink Cloud can help people stay in recovery after finishing substance use treatment. You would need to attend one recovery meeting in the next week and use the app on your personal phone.
Los Angeles, CaliforniaAges 18 years+ - NCT06511908RecruitingPhase 2
Testing a new ketamine-like drug for hard-to-treat depression
This study tests a new experimental drug (2R,6R)-HNK, a chemical related to ketamine, given by IV infusion to see if it can help people with depression that hasn't improved with other treatments. The goal is to find a new option for people who have not found relief from standard antidepressants.
Bethesda, MarylandAges 18–70 - NCT02097706RecruitingPhase 2
Drug study for borderline personality disorder
This Phase 2 study tests a new medicine for people with borderline personality disorder (BPD) to see if it can improve symptoms. You may qualify if you have a confirmed BPD diagnosis and meet safety and medication rules.
Melbourne, VictoriaAges 18–65 - NCT04478838RecruitingPhase 4
Alternate-day antipsychotic dosing for schizophrenia
This trial looks at whether taking an antipsychotic every other day can keep symptoms controlled in adults with schizophrenia or another psychotic disorder. It may help some people avoid daily dosing, but it requires specific medication stability and screening checks.
Toronto, OntarioAges 18 years+ - NCT05389930RecruitingPhase 2
Study how cannabis affects alcohol drinking
This Phase 2 study looks at whether using cannabis changes how much alcohol you drink. You may be able to take part if you’ve been drinking heavily and using cannabis recently and can meet health and screening requirements.
Providence, Rhode IslandAges 21–50 - NCT05393518Recruiting
Study linking brain signals to anxiety in people with epilepsy
This study looks at how brain electrical signals relate to anxiety symptoms in people with drug-resistant epilepsy. It compares people who do (or do not) meet criteria for generalized anxiety disorder, to better understand anxiety in this setting.
BordeauxAges 18–65 - NCT05786157Recruiting
Couples alcohol and safety support for drinking and relationship harm
This study tests a patient-focused approach to help couples where alcohol misuse and relationship physical harm may be happening. You may be asked to take part in sessions focused on safety, coping, and relationship communication, and some components may include controlled alcohol exposure.
Charleston, South CarolinaAges 21 years+ - NCT06118580RecruitingPhase 2
Alcohol and aggression brain study
This study looks at how alcohol affects the brain in people with a history of aggression or alcohol use disorder. You may be able to join if you're a right-handed adult who drinks regularly and fits one of the specific groups being studied.
Columbus, OhioAges 21–55 - NCT06727331RecruitingPhase 2
Tirzepatide for alcohol use recovery
This trial tests if tirzepatide, a medication that helps with appetite and blood sugar, can help people with alcohol use disorder drink less or stop drinking. You would visit the clinic regularly and receive the drug or a placebo.
Boston, MassachusettsAges 18 years+ - NCT07665502Enrolling by invitation
Smartphone app to boost opioid treatment for women facing violence
This study tests a smartphone app (WINGS+++) to help women who have experienced intimate partner violence and trauma improve their engagement with medication for opioid use disorder (MOUD). The goal is to see if the app makes it easier to start and stay on treatment.
New York, New YorkAges 18 years+ - NCT07174947RecruitingPhase 2
Fluoxetine plus immunotherapy for advanced liver cancer with depression
This study tests whether adding the antidepressant fluoxetine (Prozac) to standard immunotherapy can help treat advanced liver or bile duct cancer in people who also have depression or anxiety. You must not have received any prior cancer treatment and be ready to start immunotherapy as your first therapy.
Wenzhou, ZhejiangAges 18–80 - NCT05886582RecruitingPhase 2
Rotigotine patch added to therapy for cocaine use
This Phase 2 study tests whether a rotigotine skin patch, used alongside behavioral therapy, can help people reduce cocaine use. It also looks at changes in brain activity while you do study tasks.
Richmond, VirginiaAges 25–70 - NCT05219175RecruitingPhase 2
MDMA therapy for PTSD and opioid addiction after childbirth
This Phase 2 study tests whether MDMA-assisted therapy can reduce symptoms of PTSD and help with opioid use disorder in people after childbirth. You must be on a stable, low enough dose of methadone or buprenorphine and be able to follow study rules, including therapy sessions and safety monitoring.
Albuquerque, New MexicoAges 18 years+ - NCT05943665RecruitingPhase 2
MDMA-assisted therapy for PTSD and alcohol use in veterans
This study tests whether MDMA, given in a controlled clinical setting, can reduce symptoms of PTSD and alcohol use disorder in veterans. It also combines the medication with structured therapy sessions to help you manage symptoms without relying on alcohol or other substances.
Providence, Rhode IslandAges 18 years+ - NCT06655883RecruitingPhase 3
Testing suvorexant for insomnia in people with opioid use disorder
This study tests whether the sleep medication suvorexant (Belsomra) can help people with opioid use disorder who also have trouble sleeping. If you are stable on medication for opioid use disorder and have not used opioids in the last month, this trial may be an option for you.
New Haven, ConnecticutAges 18–70
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Common questions
- Are there clinical trials for drug use disorders?
- Yes. Clin2 currently lists 287 recruiting drug 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 drug 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 drug 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.