Clinical trials
Opioid Use Disorder, Severe clinical trials
Below are recruiting opioid use disorder, severe clinical trials, each written for real people, not researchers. We’re tracking 149 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03745339Recruiting
Smell-based memory task in people with opioid-use disorder
This study tests how people learn and infer what something means using a smell-and-memory task. It compares people with opioid-use disorder who are abstinent, those in maintenance treatment, and healthy controls to see what affects learning and decision-making after opioid use.
Baltimore, MarylandAges 21–60 - NCT04892251RecruitingPhase 1/Phase 2
Ketamine-assisted therapy for opioid use disorder
This trial tests whether ketamine-assisted therapy can help people with opioid use disorder, alongside standard treatment with buprenorphine. It also looks at whether you can safely take part in group mindfulness-style sessions during the study.
Salt Lake City, UtahAges 18 years+ - NCT07829055Enrolling by invitation
Effects of mental tasks on breathing in chronic opioid users
This study looks at how doing mental tasks affects breathing in people who take opioids daily for chronic pain, compared to those with sleep apnea and healthy people. It may help understand how opioids affect breathing and improve safety.
San Diego, CaliforniaAges 45–65 - NCT07780097Enrolling by invitation
Starting opioid addiction medication after a hospital stay
This study helps people who are in the hospital for opioid use disorder start a medication like methadone or buprenorphine after they leave the hospital. It aims to make starting treatment easier and improve recovery.
Cincinnati, OhioAges 18 years+ - NCT07734623Recruiting
Ultrasound treatment for severe opioid or amphetamine use disorder
This trial tests a low-intensity focused ultrasound treatment for people with severe opioid or amphetamine use disorder. The ultrasound targets a part of the brain linked to addiction, and the goal is to see if it is safe and helpful.
TaipeiAges 20–50 - NCT07665502Enrolling by invitation
Smartphone app to boost opioid treatment for women facing violence
This study tests a smartphone app (WINGS+++) to help women who have experienced intimate partner violence and trauma improve their engagement with medication for opioid use disorder (MOUD). The goal is to see if the app makes it easier to start and stay on treatment.
New York, New YorkAges 18 years+ - NCT07632053Recruiting
Support Program for Mothers With Opioid Addiction
This study offers support and treatment for mothers struggling with opioid use disorder who have a child age 5 or younger. Researchers will provide intervention and assess brain imaging to understand how best to help mothers and their families.
Ann Arbor, MichiganAges 18–50 - NCT07631598Recruiting
Buprenorphine at Needle Exchange Programs to Prevent Overdoses
This study tests whether offering buprenorphine (a medication that reduces cravings and withdrawal) directly at syringe service programs (places where people get clean needles) can help people with opioid addiction stay safe and reduce overdose risk. If you use opioids and visit a syringe service program, this may be an option to explore.
Los Angeles, CaliforniaAges 18 years+ - NCT05614661Recruiting
Postpartum support for mothers using opioid treatment
This study tests a postpartum intervention for mothers diagnosed with opioid use disorder (or receiving opioid addiction treatment) to help during the period after having a baby. You may be eligible if you have a young child and can complete the study tasks, including possible questionnaires and an MRI if needed.
Ann Arbor, MichiganAges 18–50 - NCT07490717Enrolling by invitation
Treating PTSD and opioid use in jails
This study tests new ways to screen and treat people in jail who have both post-traumatic stress disorder (PTSD) and opioid use disorder. It aims to help participants with therapy while incarcerated and after release.
Little Rock, ArkansasAges 18 years+ - NCT07420283RecruitingPhase 2
Study of Brenipatide for opioid use disorder
This trial tests a new medicine called Brenipatide for people with opioid use disorder who are already taking buprenorphine but still occasionally use non-prescribed opioids. It aims to see if the study drug can help reduce opioid use.
Phoenix, ArizonaAges 18–75 - NCT05985850RecruitingPhase 2
Can cannabis help with opioid addiction treatment?
This trial tests if adding a specific cannabis product to standard methadone treatment helps people with opioid use disorder. It's for adults over 25 who recently started methadone and have used cannabis before.
Vancouver, British ColumbiaAges 25 years+ - NCT07362082Recruiting
Telehealth treatment for opioid use disorder
This study tests whether treatment for opioid use disorder can be done effectively through telehealth (video calls and texts). It is designed for people who are not currently on medication for opioid addiction and want to start treatment from home.
New Haven, ConnecticutAges 18 years+ - NCT07278518Recruiting
Emergency department decision aid for buprenorphine
This trial is testing a tool to help people in the emergency department decide whether to start buprenorphine (a medication for opioid use disorder). It's for patients who are not already on medication for their condition.
Charleston, South CarolinaAges 18 years+ - NCT07226570Recruiting
Ibogaine brain mapping study for opioid use disorder
This study uses MRI and EEG scans to map how ibogaine affects the brain in people with opioid use disorder. You must already be scheduled to receive ibogaine treatment in Tijuana, Mexico, on your own, as the study does not cover treatment costs.
Irvine, CaliforniaAges 21–70 - NCT07218549RecruitingPhase 1
Study of psychoactive substances in people with past opioid use
This trial tests how safe certain psychoactive substances are and what effects they have in people who have used opioids in the past but are not currently dependent on them. It aims to gather information that could help future treatment options.
Houston, TexasAges 18–55 - NCT07214467Recruiting
Adaptive brain stimulation for opioid use disorder
This study tests a new type of brain stimulation that adapts to your brain activity, aiming to reduce cravings and help you control opioid use. It is for people with long-standing opioid use disorder who have not gotten lasting relief from at least 3 treatment attempts, including medication.
San Francisco, CaliforniaAges 22–75 - NCT07128524RecruitingPhase 2
Ketones for opioid craving study
This trial tests if a ketone supplement can help reduce cravings during opioid withdrawal treatment. Participants take the supplement daily and are monitored for changes in craving and withdrawal symptoms.
Wernersville, PennsylvaniaAges 18–75 - NCT07079826Recruiting
Sparrow Link device for opioid withdrawal in hospital
This trial tests a device placed on the ear to help manage opioid withdrawal symptoms in hospitalized adults. It's for people still having withdrawal despite standard medications or those who've chosen not to take methadone or buprenorphine.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT07044466Recruiting
Social functioning study for people in treatment for opioid use
This study looks at how people recovering from opioid use disorder get along with a close friend or family member (called a CSO). It may help improve social support during early treatment.
Charleston, South CarolinaAges 18 years+ - NCT06981195RecruitingPhase 2
Testing lemborexant for insomnia in people on buprenorphine
This study tests if the sleep medication lemborexant can help people with opioid use disorder who also have chronic insomnia. Participants must already be taking buprenorphine (Suboxone) for at least 4 weeks. The goal is to see if better sleep improves mood and reduces opioid use.
Richmond, VirginiaAges 18 years+ - NCT06943859RecruitingPhase 2
Ketamine for opioid use disorder
This study tests whether ketamine, when added to methadone treatment, helps reduce opioid use and cravings. It is for adults with opioid use disorder who are already in a methadone program and have had recent cravings or illicit use. The trial involves multiple visits and follow-up assessments.
Baltimore, MarylandAges 18–65 - NCT06940674RecruitingPhase 3
CBD plus opioid treatment for recovery
This study tests whether adding cannabidiol (CBD) to your usual methadone or buprenorphine treatment helps you recover from opioid use disorder. If you're already in stable treatment with those medications, the trial aims to see if CBD can improve your outcomes.
New York, New YorkAges 18–65 - NCT06880718RecruitingPhase 4
Injectable buprenorphine for opioid use disorder in prison
This study tests whether a once-monthly injection of buprenorphine (called extended-release buprenorphine, or XR-B) works well for people in prison who are already in a medication program for opioid use disorder. It looks at preferences and outcomes in the last months before release.
Cranston, Rhode IslandAges 18 years+
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Common questions
- Are there clinical trials for opioid use disorder, severe?
- Yes. Clin2 currently lists 149 recruiting opioid use disorder, severe 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, severe 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, severe 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.