Clinical trials
Addiction clinical trials
Below are recruiting addiction clinical trials, each written for real people, not researchers. We’re tracking 213 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT01392885Recruiting
Brain health and exercise program for schizophrenia
This trial studies how a structured exercise program may affect brain health in people with schizophrenia or schizoaffective disorder. It may help researchers understand whether exercise can support brain function and overall health in this condition.
Vancouver, British ColumbiaAges 19–45 - NCT02108054Recruiting
Building and testing tasks to measure brain and movement
This study helps create and test simple tasks that measure brain function and movement in people with different backgrounds. It may help researchers better understand how the brain and body work, which can improve future alcohol-related treatments.
Bethesda, MarylandAges 18–65 - NCT02639702RecruitingPhase 4
Switching from twice-daily to once-daily clozapine for schizophrenia
This trial tests whether taking clozapine once a day (instead of twice a day) works safely for people with schizophrenia. It may help by simplifying your dosing schedule while closely monitoring your wellbeing.
Toronto, OntarioAges 18 years+ - NCT03364803Recruiting
Sharing treatment results for people with Cushing’s syndrome
This is a study that collects and reviews information about how people with Cushing’s syndrome (including some mild forms and certain “silent” tumors) are diagnosed and treated, and what outcomes they have. It may help researchers understand which treatments work best in different types of the condition.
Basking Ridge, New JerseyAges 14 years+ - NCT07421765Recruiting
Do work schedules affect risky gambling? Learn more.
This study looks at how unusual work hours or having idle time at work might affect risky gambling habits. You may be eligible if you have a history of gambling problems and have been working in the past year.
NantesAges 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 - NCT07553962Recruiting
How couples support each other when quitting smoking
This study looks at how couples who both smoke can help each other quit. Researchers want to understand the ways partners support one another during a smoking cessation attempt, which may help improve quit success rates.
Denver, ColoradoAges 18 years+ - NCT07558187Recruiting
Health Inequalities Study in Rural and Urban Communities
This research study examines how health differences vary between rural and urban areas and among different groups of people. Researchers want to understand what factors affect health outcomes and why some communities experience worse health than others.
LarissaAges 18 years+ - NCT07573540Recruiting
Smart Phone App to Support Alcohol Recovery
This study tests a smartphone app called STAR designed to help people stay in recovery from alcohol use disorder. Researchers want to see if the app helps people maintain their sobriety after they've already stopped drinking.
Madison, WisconsinAges 18 years+ - NCT07595614Recruiting
Weekly Writing to Track Recovery Progress in Substance Use
This study asks men in residential treatment for substance use to write weekly reflections about their recovery. Researchers will analyze these writings to better understand how people progress through treatment and improve how clinicians support recovery.
Potrerillos, JaliscoAges 18 years+ - NCT07242872Enrolling by invitation
Screen addiction and pain after nose surgery
This trial looks at whether screen addiction affects pain levels after rhinoplasty (nose job). It will help doctors understand if screen habits influence recovery.
Tokat Province, Tokat ProvinceAges 18–45 - NCT07122882Enrolling by invitation
Genetic study of drug-resistant lung cancer
This trial looks at the genetic changes in non-small cell lung cancer (NSCLC) that has stopped responding to targeted therapy pills. It aims to understand why the cancer became resistant, which may help find better treatments.
TaoyuanAges 18 years+ - NCT07028151Enrolling by invitation
Massage versus standard care for teeth grinding
This study tests whether a classical massage can help relieve jaw tension and other symptoms of teeth grinding (bruxism) in college students, compared to standard treatments. If you grind or clench your teeth and are between 18 and 27, this might be a non-invasive option to explore.
Bartın, AnkaraAges 18–27 - NCT06888700Enrolling by invitation
tDCS to improve social thinking in heroin recovery
This study uses a gentle brain stimulation technique called tDCS (transcranial direct current stimulation) to improve social thinking skills in people recovering from heroin addiction. It's for adults in early recovery who are in a rehabilitation center.
Xi'an, ShaanxiAges 30–60 - NCT06675461Enrolling by invitation
Brief talk therapy for suicidal patients with borderline personality disorder
This trial tests a short talk therapy for people with borderline personality disorder who come to the emergency department after hurting themselves or thinking about suicide. The goal is to see if this brief help can ease suicidal thoughts and keep you safer.
Toronto, OntarioAges 16 years+ - NCT06619964Enrolling by invitation
Study on nicotine levels in e-liquids
This trial tests how different nicotine levels in e-liquids affect people who use pod or pen-style vapes daily. It aims to help regulators make better rules about nicotine content.
Rochester, New YorkAges 21 years+ - NCT05636137Enrolling by invitation
Study links internet habits with pain and body awareness
This study asks high school students about internet use, musculoskeletal pain (pain in muscles and bones), and body awareness (how well you notice your body). It aims to understand whether these things are connected and may help guide future supports for teens.
Muğla, MenteşeAges 15–18 - NCT04946851Enrolling by invitation
Alcohol use study for adults who join the NIAAA screening
This study uses a brain-and-behavior “assessment” (neuroclinical testing) to better understand addiction. You may be tested only if you are an adult and are enrolled in the NIAAA screening program, and you cannot join if you are acutely intoxicated.
Bethesda, MarylandAges 18–99 - NCT04812613Enrolling by invitation
Study of cannabis use and mental health support for Ottawa youth
This study looks at tobacco use alongside other addictions in young people in Ottawa who have unstable housing and mental health concerns, and who use cannabis or have used it before. It may offer support or new approaches aimed at reducing health risks related to tobacco and substance use.
Ottawa, OntarioAges 16 years+ - NCT04499079Enrolling by invitation
ADAPT: Youth addiction prevention and treatment programs in local counties
This study tests whether a local program (called the LHS intervention) can improve addiction-related prevention and treatment for young people. You may be able to join if you live in a participating county and use a community mental health center service during the study period.
Indianapolis, IndianaAges 11–22 - NCT04356274Enrolling by invitation
Improving access to addiction and mental health care at VA clinics
This study tests an approach to help VA clinics reach more Veterans with proven treatments for addiction and mental health conditions. It focuses on clinic-level processes (not individual medications) to increase how widely evidence-based care is delivered.
Palo Alto, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for addiction?
- Yes. Clin2 currently lists 213 recruiting addiction 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 addiction 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 addiction 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.