Clinical trials
Substance Use Disorders clinical trials
Below are recruiting substance use disorders clinical trials, each written for real people, not researchers. We’re tracking 409 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05703685RecruitingPhase 1
Imaging brain inflammation target in depression with PET
This Phase 1 study uses a PET brain scan tracer to see how a specific brain target (PDE4B) is involved in major depressive disorder (MDD). It’s mainly testing whether the imaging approach works and what it shows in people with depression who meet specific safety and medication rules.
Bethesda, MarylandAges 18–70 - NCT05619185Recruiting
Online program to help couples reduce risky drinking
This study tests an adaptive (tailored) online program to help service members and their partners cut down risky alcohol use. It also focuses on whether couples can practice healthier communication and coping skills while feeling safe together.
Palo Alto, CaliforniaAges 18 years+ - NCT05033028RecruitingPhase 3
Using a smartphone to support opioid addiction recovery
This Phase 3 study tests whether using smartphones can help people with opioid-use disorder stick with treatment and recover more successfully. It focuses on people starting or already in treatment using methadone or buprenorphine, with support delivered through the study app or messages.
Piscataway, New JerseyAges 18–85 - NCT05062369Recruiting
Brain stimulation plus training to support alcohol abstinence
This study tests whether a combination of brain stimulation (tDCS) and cognitive training can help people with alcohol use disorder stay abstinent. You may be included if you are currently not drinking and can commit to the program timeline.
Minneapolis, MinnesotaAges 18–65 - NCT04929288Recruiting
Study how hormones affect alcohol risk in men and women
This study looks at how brain activity and hormone-related factors may help explain differences in alcohol risk between men and women. It may help researchers understand why alcohol use differs by sex and how risk develops.
Columbus, OhioAges 21–26 - NCT04379115Recruiting
Brain stimulation study for people with opioid addiction
This study tests a non-invasive brain stimulation approach to reduce opioid cravings in people who are actively using non-prescribed opioids while on stable methadone. It may help people feel less craving and improve recovery support.
Hinsdale, IllinoisAges 18–85 - NCT04458545RecruitingPhase 1/Phase 2
Opioid vaccine study for adults with heroin or fentanyl use
This trial tests a vaccine made from parts designed to help the body respond to opioids (heroin or fentanyl). It is mainly for adults with moderate-to-severe opioid use disorder who are using opioids that match the study dosing needs and who are willing to do frequent visits over about a year.
Eatontown, New JerseyAges 18–59 - NCT03827460RecruitingPhase 1
Study tests how men and women respond to alcohol abstinence
This Phase 1 study looks at sex differences in how the body and brain respond when people stop drinking alcohol for a short time. You may be asked to complete questionnaires and provide blood samples to measure changes during the abstinence period.
Indianapolis, IndianaAges 21–35 - NCT03396276Enrolling by invitationPhase 4
Emergency system to help people stop opioid misuse
This Phase 4 study tests an “emergency opioid engagement system” that aims to help people who are opioid-dependent start stopping opioid use. If you’re willing to stop and can safely participate, the program may offer structured support when you’re in the emergency setting.
Houston, TexasAges 18 years+ - NCT06676059Recruiting
Substance use monitoring study with a smartphone app
This study uses a smartphone app and daily surveys to track alcohol or drug use. It aims to create a database for future research on addiction patterns and recovery.
Baltimore, MarylandAges 18–120 - 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+ - NCT06435494Enrolling by invitation
Using patient reports to improve shoulder care across clinics
This study tests whether asking patients about their shoulder symptoms using a phone or computer app can help doctors and therapists work together to improve care. It is for adults with shoulder pain that started without a sudden injury.
Gentofte Municipality, HellerupAges 18–120 - NCT07649278Recruiting
ENHANCE project toolkit for safer drug use
This study is building a toolkit to improve harm reduction services for people who use drugs. You may be able to join if you've used certain drugs recently and feel you need more support.
Madison, WisconsinAges 18 years+ - NCT07693439Enrolling by invitation
DBT therapy for short-term substance use treatment
This trial is testing a therapy called Dialectical Behavior Therapy (DBT) for people who are in a short-term hospital stay for substance use issues. It aims to see if DBT can help during treatment.
Ålesund, More and RomsdalAges 18 years+ - NCT05489068Recruiting
Motivational interviewing approach for people starting addiction treatment
This study compares two ways of having conversations when you begin outpatient addiction treatment. It tests whether a motivational interviewing style at intake improves your engagement and involvement in your care.
Albuquerque, New MexicoAges 18 years+ - NCT05570708Enrolling by invitation
Therapist training trial on how experience shapes therapy
This study looks at how therapists’ personal experience affects their attitude and skills during substance-assisted therapy training. It’s mainly for therapists-in-training, and may help improve how future training and therapy are delivered safely.
BaselAges 27 years+ - NCT06832605Recruiting
Mindfulness classes by video to prevent depression relapse
This trial tests an 8-week mindfulness-based cognitive therapy program delivered via video call to help people with a history of depression prevent future episodes. It may help you learn skills to manage low mood and reduce the chance of relapse.
Elche, AlicanteAges 18 years+ - NCT04935619Recruiting
Testing cannabis abstinence effects in depression symptoms
This study looks at how stopping cannabis for a period of time may affect depression symptoms and thinking/memory. You might benefit by getting close monitoring of mood and cognition while researchers compare changes during cannabis abstinence.
Toronto, OntarioAges 18–55 - NCT07764536Recruiting
Parent training plus a digital tool for child temper outbursts
This trial tests whether a digital tool can make parent training more effective for children who have frequent temper outbursts and irritability. The training helps parents learn skills to manage their child's behavior, and the digital tool may help them practice and apply those skills.
Bethesda, MarylandAges 8–13 - NCT06273904Recruiting
Focused ultrasound to help manage anxiety
This trial tests whether focused ultrasound can help people with anxiety disorders better manage their symptoms. It involves brain stimulation and recording sessions to see how the treatment works.
Charleston, South CarolinaAges 18–65 - NCT05598034Recruiting
Brain stimulation with tDCS for moderate depression
This study tests whether a noninvasive brain stimulation called tDCS can improve depression symptoms. It also uses MRI scans, aiming to understand how brain changes may relate to symptom improvement.
Los Angeles, CaliforniaAges 20–55 - NCT06897670Recruiting
Brain blood flow patterns in mood and memory disorders
This study uses a headband with light sensors (fNIRS) to measure blood flow in the brain while you do thinking tasks. It aims to understand differences in brain activity for people with depression, bipolar disorder, or mild memory loss.
Rochester, MinnesotaAges 18 years+ - NCT07533903Recruiting
Brain-Computer Interface for Arm Control in Paralysis
This trial tests a surgically implanted brain-computer interface (BCI) device designed to help people with severe arm paralysis—from conditions like ALS or stroke—regain some ability to control their arms. The device reads signals from your brain and translates them into arm movements, potentially helping you perform daily activities.
MelbourneAges 21 years+ - NCT07446114Recruiting
Brain-computer interface trial for ALS (Canada)
This trial tests a brain-computer interface (BCI) device that may help people with ALS or motor neuron disease regain some control over their environment. It involves implanting the device in a blood vessel in the brain.
Toronto, OntarioAges 18 years+
Hear when a new Substance Use Disorders trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for substance use disorders?
- Yes. Clin2 currently lists 409 recruiting substance use disorders 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 substance use disorders 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 substance use disorders 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.