Clinical trials
Opioid clinical trials
Below are recruiting opioid clinical trials, each written for real people, not researchers. We’re tracking 430 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07006675RecruitingPhase 3
NSAIDs for Tibia Fracture Pain and Healing Study
This study tests whether NSAID pain relievers (like ibuprofen) affect bone healing after a broken tibia and if they can help reduce the need for stronger painkillers. If you qualify, you could help doctors learn the safest way to manage pain after this common injury.
Indianapolis, IndianaAges 18–80 - NCT06994442RecruitingPhase 3
Best pain relief for children on a breathing tube
This study tests adding extra pain medicines (acetaminophen or an NSAID) to usual opioid pain treatment for children on a breathing machine. The goal is to find the safest and most effective way to manage pain.
Little Rock, ArkansasAges 2 months–17 years - NCT06992427RecruitingPhase 3
Gabapentin to prevent opioid use for mouth pain during cancer treatment
This trial tests if taking gabapentin during chemoradiation for head and neck cancer can reduce the need for strong painkillers like opioids. It may help manage mouth pain caused by treatment.
Gilbert, ArizonaAges 18 years+ - NCT06965153Recruiting
Peer coaching to help people with opioid use disorder quit smoking
This trial tests whether having a peer recovery coach can help people with opioid use disorder quit or reduce smoking. If you're already on medication for opioid use disorder and want to work on your smoking, this program might offer extra support.
Boston, MassachusettsAges 18 years+ - NCT06961058Recruiting
Telehealth vs. in-person follow-up for opioid addiction treatment
This study compares follow-up care after an emergency department visit for opioid addiction: either through telehealth (video visits) or in-person appointments. The goal is to see which method helps people stay in treatment after they leave the ED.
El Centro, CaliforniaAges 18 years+ - NCT05271331Recruiting
Numbing injection options for back surgery pain
This trial compares two ways of numbing tissue during a planned back surgery called a laminectomy: an “ESPB block” versus numbing the wound directly. It aims to see which method works better for pain control and comfort after surgery.
Padova, VenetoAges 18 years+ - NCT06877858RecruitingPhase 1
MethaLoad dose-finding study for opioid use disorder
This study tests a new way to start methadone treatment (called 'MethaLoad') for people with opioid use disorder who have used fentanyl. If you qualify, you will receive methadone to help manage withdrawal and reduce cravings, and the doctors will closely monitor your safety and response.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06878014RecruitingPhase 4
Morphine for pain relief after hip replacement surgery
This trial tests different doses of morphine given during spinal anesthesia to find the safest and most effective way to control pain after hip replacement surgery. If you are having a total hip replacement, you may be able to join.
Sosnowiec, Silesian VoivodeshipAges 18–75 - NCT05141591Recruiting
Anxiety before ENT surgery and opioid use after surgery
This trial looks at whether people’s anxiety before ear, nose, and throat (ENT) surgery affects how much pain medicine (opioids) they need after surgery. It may help doctors better plan pain control based on anxiety level and possibly gender-related patterns.
Vienna, State of ViennaAges 18 years+ - NCT06856733Recruiting
Better opioid management for long-term non-cancer pain
This study tests a new way to help people who have been taking opioids for chronic pain (not caused by cancer) for at least 90 days. The goal is to improve treatment and reduce risks, such as developing tolerance or side effects, while still managing pain effectively.
Gävle, Gävleborg CountyAges 18–70 - NCT06851533Recruiting
Pain relief methods for lumbar microsurgery recovery
This trial compares two different types of nerve blocks to see which one reduces the need for strong pain medicine after lumbar microsurgery. It may help patients have better pain control and fewer side effects from opioids.
IstanbulAges 18–80 - NCT06843213Recruiting
Peer-led health resilience program for opioid use disorder
This trial tests a peer-led program to help people with opioid use disorder build resilience and coping skills while they are in the hospital. The program is designed to support recovery and improve health outcomes.
Pittsburgh, PennsylvaniaAges 18 years+ - 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 - NCT06821516Recruiting
Comparing two nerve blocks for hip replacement pain
This study compares two different nerve block techniques to manage pain after a total hip replacement. The goal is to find out which method provides better pain relief and recovery.
Istanbul, Türki̇yeAges 18 years+ - NCT06810310RecruitingPhase 2
Psilocybin for motivation in opioid use disorder
This study tests whether a single dose of psilocybin (the active ingredient in magic mushrooms) can help people with opioid use disorder stay motivated in recovery. It uses brain scans to see how psilocybin affects brain areas linked to motivation.
Philadelphia, PennsylvaniaAges 18–60 - NCT06799117Recruiting
Decision Support for Opioid Addiction Treatment
This study tests a new way to help people in the emergency department who have moderate to severe opioid use disorder. It looks at using a decision-support tool to guide treatment choices.
Guilford, ConnecticutAges 18 years+ - NCT06795087Recruiting
Medication Use After Genitourinary Cancer Surgery
This study looks at the medications patients take after surgery for bladder, kidney, or prostate cancer. The goal is to understand how these medications are used and help improve recovery.
Charlotte, North CarolinaAges 18 years+ - NCT06786325RecruitingPhase 2
Psilocybin treatment study for opioid use disorder
This trial tests whether psilocybin can help people recovering from opioid use disorder while living at a residential treatment center. If you are already taking buprenorphine/naloxone (Suboxone), methadone, or have received Sublocade, this study may be an option for you.
Philadelphia, PennsylvaniaAges 18–60 - NCT06780202RecruitingPhase 2
Steroid to reduce opioid use after foot/ankle surgery
This study tests whether a steroid medicine called Medrol Dosepak can help reduce the need for opioid painkillers after foot or ankle surgery. If you are having foot or ankle surgery at Emory and are generally healthy, you may be able to join.
Atlanta, GeorgiaAges 18–95 - NCT06757140RecruitingPhase 1/Phase 2
Opioid and sedative-like drug interaction study
This study explores how opioids and sedative-like drugs interact in the body. It aims to understand their combined effects, which could help improve safety for people who use these drugs.
Lexington, KentuckyAges 18–55 - NCT06032559RecruitingPhase 3
Mindfulness and methadone for chronic pain
This study tests if adding a mindfulness program (MORE) to regular methadone treatment helps people with long-term pain. It may improve pain and support recovery.
New Brunswick, New JerseyAges 18 years+ - NCT06448923RecruitingPhase 2
CBD for Pain and Opioid Reduction After Fracture
This trial tests if cannabidiol (CBD) can help reduce pain and the need for opioids after a broken arm or leg. If you recently broke a bone and are between 18 and 70, you might be able to join.
Montreal, QuebecAges 18–70 - NCT06737341RecruitingPhase 4
Liposomal vs. Standard Bupivacaine for Pain after Keyhole Abdominal Surgery
This trial tests whether a long-acting numbing medicine (liposomal bupivacaine) works better than standard bupivacaine to control pain after keyhole surgery on the liver, bile ducts, or pancreas. It may help you experience less pain and need fewer painkillers after surgery.
Wuhan, HubeiAges 18–80 - NCT06718491Recruiting
A smartphone program to reduce heavy drinking for people on opioid treatment
This study tests a brief smartphone-based program to help people reduce heavy drinking while they are receiving medication for opioid use disorder (MOUD). It aims to improve both alcohol and mental health outcomes.
Columbus, OhioAges 18 years+
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Common questions
- Are there clinical trials for opioid?
- Yes. Clin2 currently lists 430 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.