Condition
Opioid clinical trials and research
As of November 12, 2026, Find a Trial lists 9 Opioid clinical trials that are recruiting, at sites in 7 countries (most in United States (3), France (1), Brazil (1)). 1 was first registered in the last 30 days. By phase: Phase 4 (2), Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 9Clinical trials
- 1New in 30 days
- 7Countries
Newest Opioid clinical trials
All recruiting trials (9)
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Dexmedetomidine as add-on for refractory cancer pain in palliative care
This study tests whether adding dexmedetomidine helps improve pain control for adults with cancer in palliative care whose pain remains high despite opioids.
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How MOR Activation Affects Stress and Social Behavior, and How Childhood Unpredictability Modulates This in Men and Women
This study tests whether activating the mu opioid receptor with morphine changes stress responses and social behavior, and whether sex and early life unpredictability alter those effects.
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Opioid-free versus usual discharge pain plans after major orthopedic surgery.
This pilot trial will test whether sending adults home after major orthopedic surgery with an opioid-free pain prescription provides pain control similar to the usual opioid-containing prescription.
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Erector spinae block to lower opioid use after total abdominal hysterectomy
This will test whether giving an erector spinae nerve block during general anesthesia can reduce opioid use for people having an elective total abdominal hysterectomy.
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Using virtual reality to reduce opioid use after heart and thoracic operations
This study will test whether adding virtual reality sessions after cardiac or thoracic surgery can lower opioid use in patients aged 16–40.
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Whether intense pain before emergency surgery leads to long-term pain after the operation
We will test whether people having emergency abdominal or orthopedic surgery who have strong pain before the operation are more likely to have ongoing pain three months afterward.
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Using semaglutide to help reduce opioid use in patients undergoing treatment for opioid use disorder
This study is testing if the medication semaglutide can help adults in outpatient treatment for opioid use disorder reduce their use of illicit opioids.
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Using low-dose ketamine to relieve pain during burn wound care
This study is testing if low-dose ketamine can help relieve pain better than standard opioid treatments during wound care for people with burn injuries.
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Ketamine improves pain relief and mood in chronic pain patients
This study is testing whether Ketamine injections can help people with chronic pain and mood disorders feel better both physically and emotionally.
Related topics
Quick answers
How many Opioid clinical trials are recruiting right now?
9, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 7 countries. The most sites are in United States (3 trials), France (1 trial), Brazil (1 trial), Switzerland (1 trial), Canada (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 4: 2, Phase 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
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.