Clinical trials
Chronic Postoperative Pain clinical trials
Below are recruiting chronic postoperative pain clinical trials, each written for real people, not researchers. We’re tracking 292 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05172739RecruitingPhase 4
Opioid-free anesthesia during lung surgery for early lung cancer
This study tests whether an opioid-free pain/anesthesia plan during elective lung surgery can reduce surgical “stress” on the body and affect the immune system. You may be eligible if you have early-stage non-small cell lung cancer and are scheduled for a specific type of surgery (VATS lobectomy).
Heraklion, CreteAges 18–80 - NCT07812389Recruiting
Opioid-free anesthesia for sinus surgery
This trial tests whether avoiding opioid painkillers during and after sinus surgery helps patients recover faster and with fewer side effects, using a standard recovery plan called ERAS.
Ankara, ÇANKAYAAges 18–65 - NCT07789301Recruiting
Predicting severe pain after planned cesarean with spinal anesthesia
This study looks at how to predict severe pain after a planned cesarean delivery done under spinal anesthesia. It aims to find factors that may help doctors better manage pain after surgery.
Bursa, NilüferAges 18–45 - NCT07717151Recruiting
Preventing long-term pain after surgery for chronic opioid users
This trial tests a method to prevent chronic pain after surgery in people who already take opioids regularly. It may help reduce long-term pain and improve recovery.
AmiensAges 18 years+ - NCT07694141Recruiting
Pain Relief After Chest Surgery
This trial studies how well different pain medications work after thoracic (chest) surgery. It aims to find the best way to manage pain and improve recovery.
Las Palmas de Gran Canaria, Las PalmasAges 18 years+ - NCT07680998Recruiting
Pain monitor device for recovery after day surgery
This trial tests a device that monitors pain and recovery after outpatient surgery. It may help manage pain more safely and improve your comfort after you go home.
Nîmes, GardAges 18 years+ - NCT06661642Recruiting
Predicting pain after planned surgery
This study looks at whether we can predict how much pain you will feel after surgery. It aims to help doctors better manage pain after your operation.
AalborgAges 18 years+ - NCT07662733Recruiting
Acupuncture for better sleep and less pain after lung cancer surgery
This trial tests if acupuncture given before and after surgery can help patients sleep better and have less chronic pain after a lung cancer operation. You may join if you are having a specific type of lung cancer surgery, are in good general health, and do not have severe sleep problems already.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07642596Recruiting
Root Canal Treatment Methods and Post-Procedure Pain
This study compares two different techniques for cleaning and shaping root canals (the nerve chambers inside teeth) to see which one causes less pain after treatment. If you have a dead nerve in a back lower tooth, this trial may help us understand the best way to treat it with minimal discomfort.
Eskişehir, OdunpazarıAges 18–65 - NCT07640646Recruiting
Heart Surgery and Long-Term Pain: A Patient Survey
This study asks patients who had heart surgery in the past year about any ongoing pain or discomfort in the surgical area. The goal is to understand how common long-term pain is after heart surgery and how it affects daily life.
Leuven, Vlaams BrabantAges 18 years+ - 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 - NCT05877157Recruiting
Study how pain and opioids change after surgery
This study follows adults in the hospital after surgery to understand how pain and opioid (strong pain medicine) use affect them. Your answers on questionnaires help researchers see what happens after different types of anesthesia.
Zagreb, Vinogradska 29Ages 18 years+ - NCT07511985Recruiting
Managing Pain After Knee Replacement Surgery
This study looks at how "rebound pain" (increased pain when pain medication wears off) affects long-term pain after total knee replacement. Researchers want to understand this connection and potentially improve pain management strategies for knee surgery patients.
Konya, MeramAges 18 years+ - NCT06778460Recruiting
Esketamine and lidocaine for pain after liver surgery
This trial tests whether two medicines, esketamine and lidocaine, can reduce long-term pain after liver surgery and possibly improve survival. It is for people who are having a planned liver removal (hepatectomy).
Chengdu, SichuanAges 18–75 - NCT07436806Recruiting
Comparing nerve blocks for pain after chest surgery
This trial compares two types of nerve blocks to see which one better prevents long-term pain after video-assisted chest surgery. It may help find a way to reduce chronic pain after your procedure.
Istanbul, BagcilarAges 18–75 - NCT05193227RecruitingPhase 2
Slow-release lidocaine patch for pain after pelvic surgery
This Phase 2 study tests a slow-release form of lidocaine to reduce pain after surgery that uses a pelvic incision. If you’re having a qualifying pelvic operation, the study may help see whether this medication improves postoperative pain control.
Vancouver, British ColumbiaAges 19 years+ - NCT07434427RecruitingPhase 4
Buprenorphine vs. oxycodone for pain after lung surgery
This study compares two common pain medicines given through a patient-controlled pump after lung surgery done with small incisions. The goal is to see which one works better and has fewer side effects.
Zabrze, Silesian VoivodeshipAges 18–75 - NCT07341854Recruiting
Dexamethasone shot for pain after surgery
This study tests a special form of dexamethasone (a steroid) given as a shot before surgery to help control pain after the operation. It may reduce the need for other pain medicines and make recovery more comfortable.
Beijing, ChinaAges 18–65 - NCT07336264Recruiting
Understanding acute pain in children
This study looks at how children and teens experience pain after surgery or during a bone marrow transplant. It aims to better understand acute pain, which is short-term pain that goes away as the body heals.
Washington D.C., District of ColumbiaAges 6–21 - NCT07308730Recruiting
Pain diary after gallbladder surgery
This study looks at whether using a pain diary can help people manage pain better after gallbladder removal surgery. If you are having this surgery for the first time and can read and write in Turkish, you may be able to join.
Muğla, MenteşeAges 18 years+ - NCT07257744Recruiting
Pain management after open heart surgery: comparing three methods
This trial compares three ways to manage pain after open heart surgery to see which best prevents long-term chronic pain. It may help you decide with your doctor which pain control option is right for you.
Trabzon, TrabzonAges 18–85 - NCT07242872Enrolling by invitation
Screen addiction and pain after nose surgery
This trial looks at whether screen addiction affects pain levels after rhinoplasty (nose job). It will help doctors understand if screen habits influence recovery.
Tokat Province, Tokat ProvinceAges 18–45 - NCT06907810Recruiting
Study of fat molecules in long-term breast surgery pain
This trial looks at how certain natural fat molecules in your body might relate to long-term pain after breast cancer surgery. It could help doctors better understand and treat chronic pain in the future.
Brussels, Brussels CapitalAges 18 years+ - NCT06936995Recruiting
Comparing pain relief methods for ACL surgery recovery
This trial tests two ways to manage pain after ACL reconstruction: a combination of medications (multimodal analgesia) versus a nerve block in the thigh (femoral block). The goal is to see which approach provides better pain control and recovery.
AnkaraAges 18–65
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Common questions
- Are there clinical trials for chronic postoperative pain?
- Yes. Clin2 currently lists 292 recruiting chronic postoperative pain 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 chronic postoperative pain 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 chronic postoperative pain 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
- Postoperative Pain
- Postoperative Pain, Acute
- Postoperative Pain Management
- Total Knee Arthroplasty (Postoperative Pain)
- POSTOPERATIVE DELIRIUM AND POSTOPERATIVE COGNITIVE DECLINE
- Postoperative Pain After Endodontic Treatment
- Postoperative Pain Following Knee Arthroplasty
- Postoperative Pain Management in Oral Surgery
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.