Clinical trials
Opioid Use Disorder clinical trials
Below are recruiting opioid use disorder clinical trials, each written for real people, not researchers. We’re tracking 296 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06835582Enrolling by invitation
Checking Methadone and Its Breakdown Levels
This study is checking the levels of methadone and its breakdown products in your blood. It helps make sure the medication is working safely for conditions like opioid use disorder or chronic pain.
Lemon Grove, CaliforniaAges 18–70 - NCT07102446Recruiting
Opioid safety program for chronic pain patients without cancer
This trial tests a program to help manage opioid use safely for people with chronic non-cancer pain. If you take opioids for long-term pain and do not have cancer, this study may help improve your care.
Seoul, SeoulAges 19–79 - NCT06903819RecruitingPhase 4
Ketamine for pain and mental health after orthopedic injury
This trial tests if ketamine can reduce pain, opioid use, and improve mental health in adults recovering from serious orthopedic injuries. It may help those with high injury severity scores.
Lubbock, TexasAges 18–65 - NCT06405607RecruitingPhase 2
Psilocybin vs Ketamine for Alcohol Use Disorder Trial
This trial tests two psychedelic-assisted therapies, psilocybin and ketamine, to see which works better for reducing heavy drinking in people with alcohol use disorder (AUD). You'll receive either drug along with counseling, and the study monitors safety closely.
Iowa City, IowaAges 21–65 - NCT06995885Enrolling by invitation
A study to improve tracking of opioid use in the fentanyl era
This study aims to develop a better tool for recalling and tracking opioid use patterns, especially with fentanyl. It may help people who use opioids outside of medical settings to more accurately report their use.
Baltimore, MarylandAges 18–99 - NCT04939012Recruiting
MyPath tool to help postpartum women plan next pregnancy
This study tests a patient-centered tool (MyPath) that supports reproductive planning for women with substance use disorder during late pregnancy and right after delivery. The goal is to improve how you get guidance about future pregnancy choices and care.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT06484075RecruitingPhase 1/Phase 2
Suvorexant for alcohol use disorder: brain effects
This study tests whether the sleep medication suvorexant can help people with alcohol use disorder by looking at its effects on brain activity. Participants will stay in the hospital for about a month, take suvorexant or a placebo, and have brain scans.
Bethesda, MarylandAges 18–75 - NCT05538910Recruiting
Study brain links between depression and substance use
This study uses brain imaging and questionnaires to understand how substance use and depression are connected in the brain. It may help researchers identify biological patterns that could guide better treatments in the future.
Baltimore, MarylandAges 18–60 - NCT07457489Recruiting
Brain stimulation for opioid recovery
This study tests a non-invasive brain stimulation technique called TMS to see if it can reduce opioid cravings and help people who are already taking buprenorphine stay in recovery. TMS uses magnetic pulses to stimulate parts of the brain involved in addiction.
Brentwood, TennesseeAges 18–65 - NCT07571226Recruiting
Urban Stress and Mental Health Monitoring Study
This study explores how city living and daily stress affect depression, anxiety, and alcohol use disorders by having you wear a monitoring wristband and use a smartphone app to track your physical responses. Researchers hope to better understand the link between environmental stress and mental health symptoms.
BeijingAges 18–60 - NCT06442423RecruitingPhase 1
Psilocybin study for people with psychiatric symptoms
This trial tests if psilocybin, a substance found in certain mushrooms, can help people with various mental health symptoms that affect daily life. You would take a single dose in a supervised setting and be monitored for changes in your mood and well-being.
New Haven, ConnecticutAges 18 years+ - NCT06201676RecruitingPhase 4
Low-dose short-term ketorolac to cut opioid use after bone surgery
This study tests whether giving a low dose of a non-steroidal anti-inflammatory drug (NSAID) called ketorolac for a short time after orthopedic surgery can reduce the need for strong painkillers like opioids. It is for people who have broken bones that need surgery with metal plates, screws, or rods.
Boston, MassachusettsAges 18–70 - NCT06345872Recruiting
Better sleep to help reduce opioid use for chronic pain
This study tests a sleep improvement program to help people with chronic widespread pain reduce or stop their opioid pain medication. If you want to cut back on opioids and have trouble sleeping, this treatment might be a good fit.
Tampa, FloridaAges 18 years+ - NCT06788587RecruitingPhase 2
Long-term stimulant for methamphetamine recovery
This study tests whether a high dose of a stimulant medication (lisdexamfetamine, an ADHD medicine) taken over many weeks can help people who have already completed a methamphetamine treatment program to stay off meth, reduce use, or avoid relapse.
Montreal, QuebecAges 18–55 - NCT07040592RecruitingPhase 2
Semaglutide for HIV and alcohol use
This study is testing whether semaglutide, a medication already used for diabetes and weight loss, can help people with HIV who also have an alcohol use disorder cut back on drinking. It is for patients treated at the Atlanta VA Healthcare System.
Decatur, GeorgiaAges 18–99 - NCT07365293Recruiting
Support for Families Affected by Opioid or Meth Use
This study tests a program that helps parents who are using opioids or methamphetamines get support for themselves and their families. It may be a good fit if you have Medicaid, live in certain counties, and are open to working with a coach.
Eugene, OregonAges Any age - NCT06470698Recruiting
Using emotional awareness to predict treatment success in addiction
This trial tests whether tracking emotional awareness can help predict how well people recover from cocaine or alcohol addiction. It uses a mobile app to monitor feelings and progress.
HuelvaAges 18 years+ - NCT07672015RecruitingPhase 4
Testing a new pain drug in surgery patients at risk for opioid dependence
This trial tests a new painkiller called suzetrigine for post-surgery pain. It's designed for people whose medical records suggest they may have a higher chance of needing strong painkillers (opioids) long after surgery. We want to see if suzetrigine works better at preventing that.
La Jolla, CaliforniaAges 18 years+ - NCT04094701Recruiting
Study of opioid needs after hip arthroscopy surgery
This study looks at how much pain medicine (opioids) people actually need after hip arthroscopy and what factors may affect it. It may help improve safer, more personalized pain control after surgery.
Chicago, IllinoisAges 18–80 - NCT05854836Recruiting
Pre-pregnancy support for incarcerated women with substance use
This study tests a preconception (before pregnancy) support program for incarcerated women who have used substances and could become pregnant. It may help improve health and planning before a future pregnancy.
St Louis, MissouriAges 18–49 - NCT06030154Recruiting
Boosting positive feelings for people with alcohol use disorder
This study tests a program designed to help people with alcohol use disorder who also struggle with low mood or anxiety. It aims to increase positive emotions, which may make it easier to reduce drinking.
Tulsa, OklahomaAges 18–65 - NCT06218056RecruitingPhase 2
CBD for reducing cigarette smoking in a treatment center
This study tests whether a daily dose of cannabidiol (CBD) can help people who smoke at least 5 cigarettes a day cut down or quit. It is for people staying at a treatment center in Los Angeles where cannabis use is not allowed.
North Hollywood, CaliforniaAges 18–65 - NCT04798469RecruitingPhase 2
Testosterone to reduce long-term spine pain in men on opioids
This Phase 2 study tests whether taking testosterone can lessen chronic non-cancer spinal pain in men who have low testosterone while using opioid pain medicines. It may help by improving hormone levels that could be affecting pain and overall wellbeing.
Boston, MassachusettsAges 18 years+ - NCT05886582RecruitingPhase 2
Rotigotine patch added to therapy for cocaine use
This Phase 2 study tests whether a rotigotine skin patch, used alongside behavioral therapy, can help people reduce cocaine use. It also looks at changes in brain activity while you do study tasks.
Richmond, VirginiaAges 25–70
Hear when a new Opioid Use Disorder 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 opioid use disorder?
- Yes. Clin2 currently lists 296 recruiting opioid use disorder 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 opioid use disorder 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 opioid use disorder 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.