Clinical trials
Addiction, Substance clinical trials
Below are recruiting addiction, substance clinical trials, each written for real people, not researchers. We’re tracking 37 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06187025Recruiting
Addiction & Stroke: Smartphone tool for prevention
This study tests whether a smartphone tool can help people who have had a stroke make healthier choices to prevent another one. It specifically looks at how the tool might help manage addiction-related risks.
BordeauxAges 18–80 - NCT05943171Recruiting
App-based CBT for substance dependence and relationship aggression
This study tests an app-guided version of CBT (a structured talk-therapy approach) against standard CBT to help people with substance dependence and recent verbal aggression in an intimate relationship. You may be screened to see if you fit both the substance use and relationship aggression parts of the trial.
Rochester, New YorkAges 18–65 - NCT06916754Recruiting
Comparing two therapies for alcohol addiction
This study compares two types of therapy to help people reduce or stop drinking. You will attend weekly sessions for 12 weeks and learn new skills or use hypnotherapy to support your recovery.
IstanbulAges 18–65 - 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+ - NCT06803706Recruiting
Gut bacteria changes during smoking quit attempt
This study looks at how quitting smoking changes your body's gut bacteria and metabolism. It is for people with a substance use disorder who want to stop smoking.
FehringAges 18 years+ - NCT05992272Recruiting
How cues affect drinking and smoking habits
This study looks at how certain cues (like seeing a drink or a cigarette) trigger cravings and behavior in people who drink alcohol or smoke. Understanding this may help improve addiction treatments.
BerlinAges 16–65 - 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+ - NCT05973838Recruiting
Telemedicine support plus recovery coaching for multiple drug use
This study tests whether adding peer recovery support to a phone/video treatment program helps people stay in treatment longer and reduce polysubstance use. It focuses on adults in opioid use disorder care who have used other non-prescribed substances in the last three months.
Washington D.C., District of ColumbiaAges 18 years+ - NCT07146633Recruiting
Testing an EMDR app for PTSD and substance use
This study tests an app that uses EMDR therapy to help people with both PTSD and substance use problems. EMDR is a type of therapy that uses eye movements or taps to help process traumatic memories. You would use the app at home and avoid starting other new therapies during the study.
Toronto, OntarioAges 18 years+ - NCT05515354RecruitingPhase 4
Smoking quit plan matched to your menstrual cycle phase
This Phase 4 study tests a smoking-quit treatment plan timed to your menstrual cycle. It may help you quit smoking and learn how quitting support works for people who menstruate regularly.
Toronto, OntarioAges 18–40 - NCT05626374Enrolling by invitation
Remote check-in tool to reduce dropout in training
This study tests whether adding a remote, self-report tool for distress (how overwhelmed or unwell someone feels) improves how many people complete a vocational training program. It’s meant to support people using the usual case management, but with extra remote check-ins.
Barrie, OntarioAges 18–49 - NCT06922721Recruiting
Addiction, trauma, and immigration study for young adults
This study looks at how addiction, trauma, and immigration affect young adults living in housing centers. It aims to better understand their needs and how to help them.
Jarville-la-MalgrangeAges 18–25 - NCT06798324RecruitingPhase 4
Brain stimulation plus smoking cessation medication for quitting smoking
This trial tests whether combining brain stimulation (tDCS) with a smoking cessation medication (varenicline) helps people quit smoking. You would attend daily visits for two weeks.
Toronto, OntarioAges 18–85
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Common questions
- Are there clinical trials for addiction, substance?
- Yes. Clin2 currently lists 37 recruiting addiction, substance 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, substance 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, substance 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.