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
- 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+ - NCT06471387Recruiting
Study of genes linked to nicotine addiction
This study looks at your genes to understand why some people get addicted to nicotine. Your participation could help develop new treatments for quitting smoking.
NicosiaAges 18–60 - NCT06588309Recruiting
Trauma and addiction treatment for PTSD and complex PTSD
This study tests combining addiction treatment with EMDR therapy for people with both a substance use disorder and PTSD or complex PTSD. It aims to see how well the integrated treatment works.
ArnhemAges 18 years+ - NCT06631222Recruiting
Can cognitive behavioral therapy help smartphone addiction and tension headaches?
This trial tests if cognitive behavioral therapy (a type of talk therapy that changes unhelpful thoughts and behaviors) can reduce both smartphone addiction and tension-type headaches. It is for people aged 19-34 who have frequent tension headaches and are heavy smartphone users.
Cairo, Cairo GovernorateAges 19–34 - 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+ - 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 - 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 - NCT07008742Recruiting
Blood and tissue collection study for certain lung cancers
This study collects blood and tissue samples from people with non-small cell lung cancer (NSCLC) either before or after treatment. It aims to help researchers learn more about how tumors respond, especially in cancers with specific genetic changes or after certain pre-surgery therapies.
London, United KingdomAges 18 years+ - NCT07033728Recruiting
Health of women in addiction care
This study looks at the health of women getting addiction treatment at a hospital in France. It checks how they are doing overall.
StrasbourgAges 18 years+ - NCT07038980Recruiting
Smartphone use and neck muscle health study
This study looks at how smartphone addiction relates to neck muscle health. You may be able to join if you are a young adult who uses a smartphone and has no known neck or health issues.
Istanbul, ÜsküdarAges 18–30 - NCT07061509Recruiting
Exercise habits and health risks in gym goers
This study looks at how exercise habits can become unhealthy and what health risks might come with too much exercise. It may help you understand if your workout routine is balanced and safe.
Istanbul, ÜsküdarAges 18–85 - NCT07193914Recruiting
Program for people with addiction and trauma
This trial tests a program called ECCCLORE to help people who struggle with both addiction and trauma. It aims to see if the program can improve their well-being.
Nîmes, NîmesAges 18 years+ - NCT07340554Recruiting
Brain imaging study for teens who use cannabis
This study looks at the brains of teenagers who use cannabis using an MRI scanner. It aims to understand how cannabis affects the developing brain, which might help improve treatment options.
Indianapolis, IndianaAges 14–17 - 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+ - NCT07573345Recruiting
Smartphone Use, Gaming, and Arm Pain Study
This study looks at how heavy smartphone and video game use affects pain and strength in your arms and hands. Researchers want to understand if and how these habits impact your physical health.
IstanbulAges 18–45 - NCT07178158Recruiting
Extra education via app for addiction treatment
This trial tests a smartphone app called NIPA that provides extra education and support for people already taking medication for opioid or stimulant use disorder. It aims to improve addiction treatment by helping you learn more and stay on track.
Richmond, VirginiaAges 18–65 - NCT07075068Recruiting
How smoking affects leg movement and coordination
This study tests how cigarette addiction changes the speed and coordination of your legs. If you are a smoker or a non-smoker, researchers will compare your movement to see if smoking makes a difference.
Istanbul, ÜsküdarAges 18–25 - NCT07199374Recruiting
Testing PARCA digital tool for justice and health
This trial tests a digital tool (called PARCA) that aims to improve fairness and health for people on supervision, like probation. The tool is meant for both officers and the people they supervise who have used drugs.
Austin, TexasAges 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 - NCT04732676Recruiting
Smartphone app to help manage cravings and addiction triggers
This study tests whether a smartphone app can help you manage cravings and personal triggers that lead to substance use or addictive behaviors. It is designed for people who are seeking addiction support and have at least a month before starting treatment.
BordeauxAges 18 years+ - NCT02535702Recruiting
Brain scan study to measure addiction biology
This study uses brain imaging (MRI) and tasks to better understand what’s happening in the brain in addiction. It may help researchers improve how addiction is studied and measured using brain-based methods.
Bethesda, MarylandAges 18 years+ - NCT06472973Recruiting
Addiction support after liver transplant
This trial tests a special addiction support program for people who have had a liver transplant because of alcohol-related liver disease. The goal is to help them stay healthy and avoid drinking again.
BesançonAges 18 years+ - 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 - 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
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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.