Clinical trials
Opioid clinical trials
Below are recruiting opioid clinical trials, each written for real people, not researchers. We’re tracking 441 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06507293Recruiting
Pain relief methods comparison for lung surgery
This trial tests two numbing injections to see which reduces pain medicine use during lung surgery. A special pain monitor guides the treatment. It may help you need fewer opioids during your procedure.
KocaeliAges 18–65 - NCT06521476RecruitingPhase 2
Acetazolamide for sleep apnea in people on opioid treatment
This trial tests if a drug called acetazolamide can help people with central sleep apnea who are also on medication for opioid use disorder. Sleep apnea causes breathing to stop during sleep, and this study aims to see if the drug improves their sleep breathing.
Pittsburgh, PennsylvaniaAges 18–100 - NCT06527820Recruiting
Talking about buprenorphine and methadone for opioid use
This trial is testing a conversation approach to help people start medication for opioid use disorder (like buprenorphine or methadone). It may be a good fit if you've had an overdose, opioid withdrawal, or other serious problem from opioid use and are not already on these medications.
Springfield, MassachusettsAges 18 years+ - NCT06532708Recruiting
Pain Medicine Use After Laparoscopic Hysterectomy
This study looks at how doctors prescribe pain medicine after laparoscopic hysterectomy (a type of keyhole surgery to remove the uterus). It aims to find better ways to manage pain after surgery.
Memphis, TennesseeAges 18–80 - NCT06569667Recruiting
AI and peer coaching for Black and Latinx adults using opioids
This study tests whether AI and peer coaching can help Black and Latinx people who use opioids start buprenorphine treatment and reduce racial disparities. It's designed for people in New York City who are interested in starting this medication.
The Bronx, New YorkAges 18–99 - NCT06570577Recruiting
Nerve block for pain after cervical spine surgery
This trial tests whether a nerve block can reduce the need for opioid pain medication after back-of-neck spine surgery. It may help patients have better pain control with fewer side effects.
Stony Brook, New YorkAges 18–75 - NCT06573476Recruiting
Smartphone app and peer coach for opioid treatment
This study tests whether a smartphone app and support from a peer recovery coach can help Black and Latinx individuals with opioid use disorder start buprenorphine treatment. The goal is to reduce overdose deaths and address racial gaps in care.
New York, New YorkAges 18–99 - NCT06574009RecruitingPhase 4
Better options for chronic cancer pain in veterans
This study tests if switching from long-term opioid painkillers to buprenorphine (a different type of pain medication) can provide better pain relief for veterans who have had cancer but are currently cancer-free. It aims to find a safer and more effective way to manage chronic pain.
Indianapolis, IndianaAges 18–99 - NCT06585709Recruiting
Brain stimulation for opioid use disorder treatment
This trial tests if brain stimulation can help people starting buprenorphine for opioid use disorder. It aims to improve treatment outcomes and support recovery.
Durham, North CarolinaAges 18 years+ - NCT06593093RecruitingPhase 1/Phase 2
Continuing buprenorphine after an overdose emergency
This study tests a bundled approach to help adults who have had an opioid overdose and are starting buprenorphine in the emergency department continue their recovery after being discharged. It is for people who want to stay on buprenorphine and need support after leaving the hospital.
Birmingham, AlabamaAges 19 years+ - NCT06595329RecruitingPhase 1
Pain relief after kidney cancer surgery: epidural vs spinal opioids
This trial compares two ways to manage pain after open kidney cancer surgery: an epidural (a thin tube placed near your spine) versus a single spinal injection of opioids. Both aim to control pain, but the study wants to see which method works better, with fewer side effects.
SplitAges 18 years+ - NCT06639464RecruitingPhase 2
Semaglutide to help with opioid recovery
This trial tests if semaglutide, a medicine sometimes used for weight management, can help people recovering from opioid use disorder stay on track. It is for adults who have already started buprenorphine treatment and are ready to take part in a research study.
Boston, MassachusettsAges 18 years+ - NCT06641115Recruiting
Integrated treatment for opioid use disorder and PTSD
This study tests a combined therapy for people with both opioid use disorder and PTSD. It aims to help you manage both conditions together, rather than treating them separately.
Charleston, South CarolinaAges 18–70 - NCT06642181RecruitingPhase 1
Guanfacine and meditation with buprenorphine for opioid use disorder
This study tests if adding a medication called guanfacine and mindfulness meditation to standard buprenorphine treatment helps people with opioid use disorder. It looks at whether this combination can improve treatment outcomes and reduce opioid use.
Newark, New JerseyAges 18–55 - NCT06576323Recruiting
Support for mothers with opioid use disorder and babies in the NICU
This study aims to improve care for mothers with opioid use disorder and their babies with neonatal abstinence syndrome. Researchers will interview healthcare providers and mothers to develop better support programs.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06160284RecruitingPhase 1
Psilocybin for brain healing in opioid recovery
This study tests whether psilocybin, a psychedelic substance, can help change brain connections in people recovering from opioid use disorder. It involves brain scans and careful medical monitoring to explore new treatment options.
New Haven, ConnecticutAges 25–55 - NCT07408193RecruitingEarly Phase 1
Lidocaine and ketamine for severe cancer pain not helped by opioids
This trial tests if adding lidocaine and ketamine to your current pain medicines can better control severe cancer-related pain that opioids alone haven't helped.
Athens, AtticaAges 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+ - NCT06726200RecruitingEarly Phase 1
Comparing buprenorphine formulations for fentanyl addiction
This study tests two different forms of buprenorphine (a medication for opioid addiction) to see which works better for people who use fentanyl or other strong synthetic opioids. If you are seeking treatment for opioid use, this trial may help you find the most effective option.
New York, New YorkAges 18–65 - NCT06732596Recruiting
Recovery support app for people on buprenorphine
This study tests a smartphone app that uses a conversational helper to support people in recovery from opioid use disorder who are taking buprenorphine. It aims to help you stay on track with treatment.
Boston, MassachusettsAges 18 years+ - NCT06747871Recruiting
Opioids, low nicotine cigarettes, and chronic pain study
This study tests if using cigarettes with very low nicotine can help people with chronic pain who are on buprenorphine for opioid use disorder. It aims to see if this approach reduces smoking and helps you think about quitting.
Durham, North CarolinaAges 21 years+ - NCT06768814Recruiting
Overdose recovery and care access study
This study looks at how people recover from an overdose and get connected to care. It interviews people who have had an overdose to understand their experience and improve access to follow-up services.
Seattle, WashingtonAges 18 years+ - NCT06796062RecruitingPhase 2
Psilocybin for opioid use disorder
This study tests whether psilocybin can help people who want to stop using opioids and are already in treatment. Eligible participants receive a single dose of psilocybin in a supervised setting and are followed to see if it reduces opioid use.
Albuquerque, New MexicoAges 18–65 - NCT06827288Recruiting
Helping emergency patients with opioid use disorder
This study tests different ways to help people who come to the emergency department with opioid use disorder. It aims to find which support strategies work best to connect them with ongoing care and reduce harm.
Colton, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for opioid?
- Yes. Clin2 currently lists 441 recruiting opioid 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 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 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.