Treatment
Opioid clinical trials
We’re tracking 430 recruiting studies that include Opioid, each written for real people, not researchers, below.
Recruiting studies
- NCT07633444Recruiting
Ear Stimulation to Reduce Pain After Abdominal Surgery
This study tests whether mild electrical stimulation applied to your ear can reduce pain and the need for pain medication after abdominal or urologic surgery. Researchers will try different stimulation frequencies to find what works best.
Salvador, Estado de BahiaAges 18–59 - NCT06453109Recruiting
Focused ultrasound for chronic back pain with opioid use
This study tests whether focused ultrasound (a non-invasive treatment using sound waves) can help people with chronic back pain who also have opioid use disorder and anxiety. It aims to find a better way to manage pain without relying on opioids.
Washington D.C., District of ColumbiaAges 18–75 - NCT06270147RecruitingPhase 2
Timing of nerve blocks for weight loss surgery pain
This trial tests whether giving a nerve block before or after bariatric surgery works better for pain control. It could help you have less pain and use fewer painkillers after your procedure.
Hamilton, OntarioAges 18 years+ - NCT07616648Recruiting
How Opioid Pain Drugs Affect Sleep and Mood in Cancer Patients
This study examines how opioid medications (strong pain relievers) impact sleep quality and emotional well-being in cancer patients with moderate to severe pain. Researchers will track your sleep patterns and mood to better understand these side effects.
HangzhouAges 18–75 - NCT03596424Recruiting
Testing ketamine and dexmedetomidine during lung surgery
This trial studies whether the anesthesia medicines ketamine and dexmedetomidine can improve care during elective lung (video-assisted) surgery. It may help with comfort during and after the operation, depending on how these medicines affect pain and recovery.
Montreal, QuebecAges 18–80 - NCT07606638Enrolling by invitation
Pain Relief Options for Oral Cancer Patients
This study compares two different pain management approaches for people with oral cancer: opioid medication versus a combination of pregabalin (a nerve pain reliever) and naproxen sodium (an anti-inflammatory painkiller). The goal is to see which approach works better and is safer for controlling cancer-related pain.
Lahore, Punjab ProvinceAges 18 years+ - NCT07590752RecruitingPhase 2/Phase 3
Pain Relief Comparison for Abdominal Surgery
This trial compares two medications added to a numbing injection around your abdominal muscles during belly surgery to help manage pain after surgery. The study aims to find which combination works better and lasts longer.
Sahiwal, Punjab ProvinceAges 25–65 - NCT07587359Recruiting
Family-Based Therapy for Women in Treatment Court
This study tests a new therapy that involves you and a family member working together to support your recovery from opioid use disorder. The program is designed specifically for women in specialty treatment courts who have experience with sex trade work.
Columbus, OhioAges 18 years+ - NCT07586917Recruiting
Supporting Pregnant People with Opioid Use Disorder
This study helps pregnant people who struggle with opioid use and are starting or considering medication treatment. Researchers will track your health and your baby's health to learn how to best support you during and after pregnancy.
Salt Lake City, UtahAges 18 years+ - NCT07578545Recruiting
Pain management after minimally invasive chest surgery
This study tests whether combining a specific type of chest surgery (using small cameras) with numbing injections around nerves reduces pain and the need for strong pain medications after surgery. Researchers want to see if this approach helps patients recover better with less opioid use.
Antalya, MuratpaşaAges 18–75 - NCT07569783Recruiting
Can brain stimulation reduce itching after C-section?
This study tests whether a gentle brain stimulation technique (tDCS) can reduce itching after a C-section. It is for women who are having a C-section with epidural anesthesia and morphine.
Nantong, JiangsuAges 18–40 - NCT06506565RecruitingPhase 4
Low-dose ketamine for burn wound pain
This trial tests a low-dose ketamine infusion during burn wound dressing changes to see if it reduces pain. It might help people who are hospitalized with a thermal burn injury.
Memphis, TennesseeAges 18 years+ - NCT07561411Recruiting
Nerve blocks to reduce pain after breast removal surgery
This trial tests two types of nerve-blocking injections given during breast removal surgery to see which one better prevents long-term pain afterward. Both are given alongside general anesthesia and may help you recover with less chronic pain.
BeirutAges 18–80 - NCT07553143Recruiting
Melatonin before gallbladder removal surgery
This study tests whether taking melatonin (a natural sleep hormone) before elective gallbladder removal surgery helps patients recover better and feel less pain or discomfort afterward. Melatonin may help reduce stress on the body during surgery.
Dhaka, Dhaka DivisionAges 18–60 - NCT07552766RecruitingPhase 4
Lidocaine infusion to reduce opioid use in arm fracture surgery
This study tests whether giving a pain-relieving medication called lidocaine through an IV during arm fracture surgery can reduce how much opioid pain medication (like morphine) children need after surgery. The goal is to help manage pain better while using fewer opioids.
Wilmington, DelawareAges 3–18 - NCT07541040Recruiting
Nerve Blocks for Breast Surgery Pain Relief
This trial tests two different nerve-block techniques to reduce pain after breast surgery. The study compares a serratus block with an ESP block—both are injections of numbing medication near nerves—to see which works better for managing pain without heavy opioid use.
İzmit, KocaeliAges 18–65 - NCT07539623RecruitingPhase 3
Pain relief with suzetrigine after heart or weight-loss surgery
This study tests whether suzetrigine, a new pain medication, can reduce the need for opioids (strong painkillers) after cardiac or bariatric surgery. The goal is to help patients manage pain with fewer opioid-related side effects.
New York, New YorkAges 18–85 - NCT07541417Recruiting
Peer Support for Starting Medication Treatment for Opioid Use
This study tests whether peer coaches—people with lived experience of opioid addiction—can help newly enrolled patients stay engaged with medication-based treatment through a mobile app. The goal is to improve treatment success by combining peer support with digital health tools.
Greenville, South CarolinaAges 18 years+ - NCT06409689Recruiting
Oliceridine for pain relief after upper abdominal surgery
This study tests a new pain medicine called oliceridine after laparoscopic upper abdominal surgery. It aims to improve pain control and recovery compared to standard opioids.
Wuhan, HubeiAges 18–70 - NCT07513974Recruiting
Pain sensitivity test to predict opioid needs in heart surgery
This study measures how sensitive you are to pain using a special device, then tracks how much pain medication you need during heart surgery. The goal is to see if pain sensitivity can predict opioid requirements and help doctors customize pain control for you.
Brussels, AnderlechtAges Any age - NCT07475728Recruiting
Buprenorphine for Opioid Use Started by Emergency Medical Services
This study looks at offering buprenorphine through emergency medical services (EMS) to people having an opioid emergency. It aims to see if starting treatment in the field helps people get connected to long-term care.
Oakland, CaliforniaAges Any age - NCT05985811Recruiting
Ketamine for chronic pain and mood in adults
This trial tests if ketamine injections can improve both pain and mood in adults with chronic pain who also have a mood disorder and trouble sleeping. It may help if you already get regular ketamine treatments.
Surrey, British ColumbiaAges 20–99 - NCT07457489Recruiting
Brain stimulation for opioid recovery
This study tests a non-invasive brain stimulation technique called TMS to see if it can reduce opioid cravings and help people who are already taking buprenorphine stay in recovery. TMS uses magnetic pulses to stimulate parts of the brain involved in addiction.
Brentwood, TennesseeAges 18–65 - NCT07461376Recruiting
A trial comparing two sleep medicines for children before surgery
This study tests two oral medicines given before surgery to help children relax and lower the need for stronger painkillers after the operation. It is for children having surgeries like hernia repair, circumcision, or hypospadias correction.
Cairo, Giza GovernorateAges 3–12
Common questions
- Are there clinical trials studying Opioid?
- Yes. Clin2 currently lists 430 recruiting studies that include Opioid, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Opioid trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Opioid an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Opioid or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.