Condition

Opioid Use clinical trials and research

As of November 12, 2026, Find a Trial lists 59 Opioid Use clinical trials that are recruiting, at sites in 18 countries (most in United States (38), Canada (4), Turkey (Türkiye) (4)). By phase: Phase 4 (8), Phase 2 (6), Phase 3 (5), Phase 1/2 (1). The most active sponsors are McMaster University (2), St. Louis University (2), Kocaeli City Hospital (2). There are also 534 NIH-funded research projects on Opioid Use, with $423.8 million in listed awards. Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.

Newest Opioid Use clinical trials

StudyPhaseWhereStatusRegistered
Serratus vs Erector Spinae Block for Pain After Unilateral Breast Surgery — İzmit, Kocaeli Recruiting Jun 30, 2026
Using mHealth to Help Black Adults in the Midwest With Opioid/Stimulant Use and Mood Symptoms Phase 2 St Louis, Missouri Recruiting Jun 29, 2026
Targeting alcohol-opioid co-use among young adults with a new mobile health tool — Providence, Rhode Island Recruiting Jun 23, 2026
Dexa vs Dexmedetomidine with Bupivacaine in TAP Block for Laparotomy Analgesia Phase 2/3 Sahiwal, Punjab Province Recruiting May 15, 2026
Stress response with desflurane versus opioid-free TIVA during weight-loss surgery — Athens Recruiting May 6, 2026
Erector Spinae Block vs Paravertebral Block for Chronic Pain After Mastectomy — Beirut Recruiting May 1, 2026
Serratus block vs ESP block for pain after unilateral breast surgery — İzmit, Kocaeli Recruiting Apr 21, 2026
Mindfulness for fracture recovery and reduced opioid use before and after surgery — Hamilton, Ontario Recruiting Mar 20, 2026
Brief alcohol-focused program tailored for people taking buprenorphine — Notre Dame, Indiana Recruiting Jan 15, 2026
Lidocaine with or without steroid infusion into the middle meningeal artery for headaches after aneurysmal subarachnoid hemorrhage Phase 2 Galveston, Texas Recruiting Dec 19, 2025

All recruiting trials (59)

NIH-funded research (newest 40 of 534)

Early-stage science funded by the US National Institutes of Health. Most of these projects don't enroll patients, but they show what is being worked on.

Related topics

Pain, PostoperativePostoperative PainOpioid Use DisorderChronic PainOpioid DependencePost Operative PainSubstance Use DisordersAlcohol Use DisorderAnesthesia, LocalBariatric Surgery CandidateOpioid AnalgesiaPain, ChronicAbdominal Aortic Aneurysm Without RuptureAcute Pain

Quick answers

How many Opioid Use clinical trials are recruiting right now?

59, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 18 countries. The most sites are in United States (38 trials), Canada (4 trials), Turkey (Türkiye) (4 trials), Colombia (2 trials), South Korea (2 trials). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 8, Phase 2: 6, Phase 3: 5, Phase 1/2: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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Last reviewed 2026-11-12 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.