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
- 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 - NCT06030362Recruiting
Probiotic study for weight and gut health in adults
This study tests whether taking a probiotic supplement can help with weight management and gut health in adults with overweight or obesity. You may be able to join if you are between 18 and 50, have a BMI of 25 to 40, and are generally healthy.
Los Angeles, CaliforniaAges 18–50 - NCT06044285Recruiting
Study on ultra-processed food and food addiction
This study looks at how ultra-processed foods affect people with food addiction. You will attend lab visits, report what you eat, and may have an fMRI brain scan.
Ann Arbor, MichiganAges 22–60 - NCT06076512Recruiting
Pain clinic safety trial for adults with chronic pain
This trial is testing whether a pain clinic can improve public health safety for adults who have chronic pain and also face social or emotional challenges. It aims to see if this kind of care helps people feel better and avoids opioid-related harms.
Surrey, British ColumbiaAges 20–99 - NCT06077240Recruiting
E-cigarettes vs pouches for quitting smoking
This study compares the effects of e-cigarettes and nicotine pouches on smoking habits and addiction. The goal is to see which method helps people smoke less and reduces their dependence on cigarettes.
New Haven, ConnecticutAges 21 years+ - NCT06086366Recruiting
Brain scan study for depression after COVID-19
This study uses brain scans to understand depression that starts soon after COVID-19. Researchers want to see if there are changes in brain chemistry related to depression, and you may help find new treatment targets.
Toronto, OntarioAges 18–75 - NCT06103370Recruiting
HIV prevention via telemedicine and peer networks
This study tests how well a program combining telemedicine (virtual doctor visits) and peer support can help prevent HIV among people who inject drugs. You'd get trained, attend weekly group sessions, and invite a friend or partner to also take part.
Baltimore, MarylandAges 18 years+ - NCT06105853Recruiting
Stress and brain activity in alcohol use disorder
This study looks at how people with alcohol use disorder respond to stress and what happens in the brain. You'll use a smartphone and may have an MRI scan to understand your stress responses.
Mannheim, Baden-WurttembergAges 18–65 - NCT06122298Recruiting
Study on gambling, emotions, and rewards
This study looks at how gambling affects emotions and the brain's reward system. It compares people with gambling problems to healthy volunteers to better understand gambling addiction.
BronAges 18–65 - NCT06125054RecruitingPhase 2
Ketamine and brain training for cocaine addiction
This trial tests whether a combination of ketamine (a medicine that may help the brain change) and neurofeedback training (a brain-exercise technique) can help people with cocaine addiction. The goal is to see if these treatments can improve brain flexibility and reduce cravings.
Zurich, Canton of ZurichAges 18–55 - NCT06158607Recruiting
PrEP adherence help for women with substance use
This study tests a program to help Black and Hispanic women with substance use disorders take PrEP consistently to prevent HIV. The goal is to see if talking with a health coach can improve PrEP use and reduce HIV risk.
Houston, TexasAges 18–60 - 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 - NCT06232226Recruiting
ADHD and addiction: a study on methylphenidate
This study looks at whether the medication methylphenidate (often used for ADHD) can help people who have both ADHD and an addiction. It aims to see if the medicine is safe and works well for people with both conditions.
Nantes, Loire-AtlantiqueAges 18–99 - NCT06251635Recruiting
Antipsychotics and brain insulin in women
This study looks at how a common antipsychotic medication (olanzapine) affects how the brain uses insulin in young women. It aims to understand weight gain and metabolic changes linked to these drugs.
Toronto, OntarioAges 18–35 - NCT06254001RecruitingPhase 4
Combined tobacco treatment for hospitalized smokers
This trial tests a combination of treatments to help hospitalized smokers quit. If you are a smoker currently in the hospital, you may be able to join and get support to stop smoking.
Mexico CityAges 18 years+ - NCT06346028RecruitingPhase 4
TMS for quitting smoking
This study tests whether a brain stimulation therapy called transcranial magnetic stimulation (TMS) can help people quit smoking. It is for adults who smoke daily and are willing to try TMS as a treatment.
Toronto, OntarioAges 18–70 - NCT06370481Recruiting
HIV and addiction training program for Alabama clinics
This study tests a program to help people living with HIV in Alabama who also struggle with opioid or stimulant use. It takes place at your HIV clinic and checks whether a new approach to addiction care can improve your health.
Birmingham, AlabamaAges 18 years+ - NCT06370988Recruiting
Theta-burst stimulation for bipolar depression
This study tests a type of brain stimulation (theta-burst TMS) to see if it helps improve depression in people with bipolar disorder. It might be a good option if you have tried medication but still feel depressed.
Toronto, OntarioAges 18–65 - NCT06373484Recruiting
Matching treatment for kids with disruptive behavior and their parents
This study aims to find the best treatment approach for children with disruptive behavior by matching them to either group or individual therapy. It could help if your child struggles with behavior like defiance or conduct issues, and you're willing to participate in treatment.
Toronto, OntarioAges 6–12 - NCT06413979Recruiting
Family support program for teens with substance use and mood or anxiety issues
This trial offers a family support program for teens with both substance use and internalizing problems like depression or anxiety. The goal is to help you and your caregiver work together to manage symptoms and improve well-being.
Jacksonville, FloridaAges 13–21 - NCT06424743Recruiting
Strength training volume for women with fibromyalgia
This study tests whether different amounts of strength training (resistance exercise) help women with fibromyalgia feel better. It compares three different workout volumes to see which one women prefer and which works best for their symptoms.
Natal, Rio Grande do NorteAges 18–65 - NCT06470321Recruiting
Predictors of nicotine relapse in smokers
This study looks at factors that might predict whether someone will start smoking again after quitting. It is for adults who smoke daily, want to quit, and are not on any medications.
NicosiaAges 18–60 - NCT06491992Recruiting
Chitosan gel with ultrasound for neck pain from phone use
This trial tests if applying a special gel (chitosan) with ultrasound on the neck can help reduce pain in teens who use smartphones a lot. It might offer a non-drug way to ease discomfort from phone addiction.
Al Jīzah, Select StateAges 16–18 - NCT06497920Recruiting
Brain stimulation for motor skills in autistic adults
This trial tests whether a type of brain stimulation called rTMS can improve motor skills (like coordination and movement) in autistic adults. If you have autism and notice challenges with motor function, this study may help.
Toronto, OntarioAges 18–40
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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.