Clinical trials
Addiction clinical trials
Below are recruiting addiction clinical trials, each written for real people, not researchers. We’re tracking 200 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07008651Recruiting
Digital parenting study for mothers of young children
This study tests a digital parenting education program to see how it affects mothers' social media use and their children's attitudes toward technology. It may help you understand how to guide your child's tech habits.
Artvin, CentreAges Any age - NCT06797726Recruiting
CBT for adults with ADHD and behavioral addiction
This trial tests if cognitive-behavioral therapy (CBT) can help people who have both ADHD and a behavioral addiction (like gambling or gaming). If you qualify, you would attend therapy sessions to see if it improves your symptoms.
BrestAges 18 years+ - NCT06885606Recruiting
Using brain stimulation to help reduce vaping
This study tests whether a gentle brain stimulation technique called transcranial direct current stimulation (tDCS) can help people who vape daily cut back. You would attend daily sessions for two weeks to see if it makes a difference.
Toronto, OntarioAges 18–65 - NCT06863168Recruiting
Cigarillo Education Messages for Black Young Adults
This study tests different messages to see what works best to help Black young adults avoid or cut back on cigarillo smoking. If you are between 18 and 30, identify as non-Hispanic Black, and are either open to trying cigarillos or only use them once in a while, this may be for you.
Philadelphia, PennsylvaniaAges 18–30 - NCT05609474Recruiting
Talking study of youth addiction services experiences
This study looks at what young people (and their caregivers) experience when they first meet addiction support services, and how they react over time. Sharing your experiences may help improve how these services work for families.
Bron, Auvergne-Rhône-AlpesAges 12–25 - NCT06630728RecruitingPhase 4
How Addictive Are Very Low Nicotine Little Cigars?
This study is testing whether little cigars with very low nicotine are less addictive than regular ones. Researchers want to see how smoking these affects your mood, cravings, and smoking behavior.
Columbus, OhioAges 21–75 - NCT06096714RecruitingEarly Phase 1
Testing nicotine's addictive threshold in smokers
This study tests how nicotine affects the brain's reward system in people who smoke. It aims to find the level of nicotine that becomes addictive, helping guide future treatments.
West Haven, ConnecticutAges 21–59 - NCT01248767Recruiting
Study of treatment-seeking teens and adults with behavioral addiction
This study follows people who come to the hospital seeking help for a behavioral addiction and tries to better understand their needs and treatment path. It mainly involves completing assessments (questionnaires/interviews) to see how they’re doing.
NantesAges 15 years+ - NCT05855668Recruiting
Study how brain and behavior differ in alcohol and cannabis use
This study looks at how people’s thoughts, brain-related measures, and behaviors differ between alcohol use disorder and cannabis use disorder. You may be asked to join group psychotherapy and complete assessments, which could help improve how care is planned for people like you.
Toronto, OntarioAges 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 - NCT05483426Recruiting
Sexual addiction in men in prison
This study looks at how common sexual addiction is among men in a prison in France. It involves filling out questionnaires to help understand this condition better.
ToulouseAges 18–65 - 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 - 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 - NCT05583747Recruiting
Brain stimulation therapy with guidance for treatment-resistant depression
This study tests a type of brain stimulation (guided iTBS) to improve depression when standard antidepressant treatments haven’t helped. It also checks that the treatment is safe for people who can meet the study and scan safety requirements.
Toronto, OntarioAges 18–65 - NCT05704582Recruiting
Avatar vs supportive sessions to cut cannabis use
This study compares two types of talking/learning sessions—one using an “avatar” (computer-based character) and one using regular supportive sessions—to reduce cannabis use. It is meant for adults with psychotic disorders who also meet criteria for cannabis use disorder.
Montreal, QuebecAges 18 years+ - NCT04857775Recruiting
Test a parent-training app for infants and toddlers
This study tests a web and mobile program that supports parents with training for their child’s early development. It uses parent sessions over about 10–12 weeks and includes a small blood sample to help researchers measure effects.
Calgary, AlbertaAges Any age - NCT07793383Recruiting
Testing ways to support opioid treatment decisions in the ER
This study is testing different ways to help people with opioid use disorder decide if they want to start medication treatment while they're in the emergency department. It's looking at how to improve the support and guidance given in that setting.
Guilford, ConnecticutAges 18 years+ - NCT07788352Recruiting
Telework and shopping habits study
This study looks at how working from home (telework) affects the way people shop and make buying decisions. By joining, you'll help researchers understand these changes, which could lead to better support for remote workers.
ReimsAges 18–65 - NCT06550167Recruiting
Nano PSO for brain protection in substance users
This trial tests whether a supplement called Nano PSO can help protect the brain in people who have used methamphetamines, cocaine, and cannabis for at least three years. It looks at effects during the withdrawal period for men currently in residential treatment.
Guadalajara, JaliscoAges 18–50 - NCT07783633Enrolling by invitation
Digital tools for mood disorders study
This study looks at whether using digital tools, like apps or online programs, can help people with mood disorders like depression or bipolar disorder. It aims to find markers that show who might benefit most from these tools.
Toronto, OntarioAges 16 years+ - NCT07778394Recruiting
Smartphone app to support recovery from opioid use disorder
This study is testing a smartphone app to help people who are starting or restarting medication for opioid use disorder. If you join, you'll use the app to support your recovery journey.
Providence, Rhode IslandAges 22 years+ - NCT07740291Recruiting
Tirzepatide and lifestyle study for weight loss
This trial compares two ways to manage weight: taking a GLP-1 medication (like tirzepatide or semaglutide) versus making lifestyle changes without medication. It will help researchers learn which approach works best for people with overweight or obesity.
Lubbock, TexasAges 18 years+ - NCT07699159Recruiting
Youth mental health study
This study follows adolescents and young adults who are seeking or have sought mental health services to better understand different mental health conditions. It also includes their caregivers.
Calgary, AlbertaAges 11–24 - NCT07663474Recruiting
Phone restriction and dopamine brain changes
This study looks at how restricting your mobile phone use affects a chemical in the brain called dopamine. Healthy iPhone users will have PET brain scans before and after limiting their phone time to see how it changes dopamine transporters.
Busan, BusanAges 19–40
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Common questions
- Are there clinical trials for addiction?
- Yes. Clin2 currently lists 200 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.