Clinical trials
Preoperative clinical trials
Below are recruiting preoperative clinical trials, each written for real people, not researchers. We’re tracking 375 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07780526Recruiting
Predicting intensive care needs after surgery
This study looks at whether anesthesiologists can predict which patients will need intensive care after surgery or a procedure. It may help improve how doctors plan care for patients after operations.
VanAges 18 years+ - NCT07771205Recruiting
Aromatherapy for surgical anxiety and pain
This study tests whether breathing in relaxing scents before surgery can reduce anxiety and pain. If effective, it could offer a simple, drug-free way to help you feel calmer during your procedure.
Stockton, CaliforniaAges 18 years+ - NCT07773090Recruiting
Stenting before mini-keyhole kidney stone surgery
This trial is looking at whether placing a small tube (stent) in the ureter before a type of keyhole surgery for kidney stones helps with outcomes like pain and success of the procedure. It aims to see if this pre-treatment makes the surgery easier, potentially reducing complications and improving stone removal.
CairoAges 18–70 - NCT07743294Recruiting
Exercise before breast cancer surgery to reduce arm swelling
This trial tests whether doing specific exercises before breast cancer surgery helps reduce arm swelling (lymphedema) after surgery, and improves quality of life and care needs. You would participate in a supervised exercise program before your surgery and then follow up after.
TaipeiAges 20 years+ - NCT06250816Recruiting
Cartoon gowns to reduce anxiety in children before surgery
This study tests if letting children wear an operation gown with cartoon characters instead of a plain gown helps them feel less anxious before surgery. If your child needs orthopedic surgery, this might make the experience more comfortable.
BursaAges 4–12 - NCT06639737Recruiting
Optimizing blood volume before surgery using heart ultrasound
This trial tests whether using a heart ultrasound before surgery can help doctors better manage your blood volume. If you are having surgery under general anesthesia and have a higher risk of heart problems, this study may help improve your safety.
Caen, NormandyAges 18–99 - NCT07710040RecruitingPhase 1
Proton radiation before surgery for high-grade brain tumors
This trial tests proton radiation therapy given before surgery for people with a single, high-grade brain tumor. The goal is to see if pre-surgery radiation helps with treatment outcomes.
Obninsk, Kaluga OblastAges 18 years+ - NCT07702487Recruiting
Warming before kidney surgery study
This trial tests if warming the body before kidney surgery can lower lactate levels, which may help recovery. It is for adults scheduled for a planned (not emergency) kidney removal.
Istanbul, SisliAges 18–90 - NCT07706244Recruiting
Does reducing pre-surgery anxiety help orthopedic patients recover better?
This study tests if a program to reduce anxiety before surgery (Enhanced Recovery After Surgery) improves how patients feel one year after major orthopedic surgery like knee, hip, or spine procedures, compared to standard care.
Hualien City, Hualien CountyAges 20–100 - NCT05851534Recruiting
Pre-surgery risk reduction for pancreatic surgery
This study helps people going for planned pancreatic cancer surgery (with or without chemo beforehand) by focusing on controllable risk factors before the operation. The goal is to improve safety and outcomes after surgery.
's-HertogenboschAges 18 years+ - NCT07686029Recruiting
Maltodextrin drink before children's day surgery
This study looks at whether giving maltodextrin–a type of sugar normally found in some drinks–before surgery can help children recover faster and feel better after their operation. It’s part of a special plan called ERAS (Enhanced Recovery After Surgery) that aims to make surgery easier on the body.
Alessandria, PiedmontAges 3–17 - NCT06670846Recruiting
Can a lollipop reduce anxiety before kids' surgery?
This study tests whether giving a lollipop before surgery helps reduce anxiety in children. It's a simple, friendly way to see if a sweet treat can make the experience less scary.
Tunis, Tunis GovernorateAges 4–10 - NCT06677944RecruitingPhase 2
Radiation before surgery for early-stage breast cancer
This trial tests giving radiation to the tumor area before surgery for women with early-stage, hormone-sensitive breast cancer. The idea is to see if giving radiation first can help protect healthy tissue while still being effective.
SeoulAges 45 years+ - NCT07651462Recruiting
Fasting Before Hip Surgery and Gut Health
This study tests whether fasting for 20 days before hip replacement surgery changes your gut bacteria in ways that might help your recovery. Researchers want to understand if this dietary approach affects how well you heal after the operation.
Berlin, State of BerlinAges 18–75 - NCT07640230Recruiting
Cartoons and games to ease surgery anxiety in children
This study tests whether watching cartoons or playing mobile games can help reduce anxiety and fear in children ages 7–12 who need surgery for appendicitis (an inflamed appendix). The goal is to find simple, non-medication ways to calm children before their operation.
AnkaraAges 7–12 - NCT05512286Recruiting
Radiation experience after breast surgery with belly flap
This trial looks at how people feel (patient-reported outcomes) and how safe treatment is when radiotherapy is given after a mastectomy with a DIEP belly skin-flap reconstruction. It may help doctors understand which experiences to expect and how to improve care.
Nanning, GuangxiAges 18 years+ - 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 - NCT07557550Recruiting
Relaxation methods before orthopedic surgery: glasses vs. virtual reality
This study tests whether watching relaxing videos through special glasses or a virtual reality headset helps reduce anxiety before orthopedic surgery (like hip or knee replacement). Researchers want to see if these tools work better than no relaxation aid at all.
Amiens, PicardieAges 18 years+ - NCT07547774Recruiting
Sleep Quality Before Breast Surgery and Recovery Outcomes
This study examines how well you sleep before breast cancer surgery and whether it affects your recovery afterward. Researchers will ask about your sleep habits and track your healing to understand the connection.
Ankara, YenimahalleAges 18–70 - NCT05613478RecruitingPhase 3
Immunotherapy plus targeted medicine with TACE around liver surgery
This Phase 3 trial tests whether combining camrelizumab and apatinib with TACE before/around liver cancer surgery can improve outcomes for people with certain stages of hepatocellular carcinoma (HCC). It may help by strengthening the immune attack on cancer and by blocking blood supply to tumors.
Nanjing, JiangsuAges 18 years+ - NCT07533669Recruiting
Sensory room visit before kidney transplant surgery
This study tests whether spending time in a calming sensory room before kidney transplant surgery helps reduce pain, anxiety, and sleep problems. You would visit a specially designed room with soothing sights, sounds, and textures before your operation.
SakaryaAges 18 years+ - NCT07519733Recruiting
Exercise Testing Before High-Risk Surgery
This study tests whether a simple exercise test before surgery can help doctors better predict and prevent complications in older adults undergoing major operations. You'll do a gentle exercise test on a stationary bike or treadmill to measure your fitness level.
New Haven, ConnecticutAges 45 years+ - NCT07519057Recruiting
Carbohydrate drink before liver transplant surgery
This study tests whether drinking a carbohydrate solution before planned liver transplant surgery helps patients recover better afterward. Researchers believe it may reduce complications and improve healing.
WarsawAges 18 years+ - NCT07488468Recruiting
Shortening fasting before planned surgery
This trial tests a program to reduce how long patients must fast before elective surgery. Shorter fasting may make patients more comfortable and could help recovery.
GiessenAges Any age
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Common questions
- Are there clinical trials for preoperative?
- Yes. Clin2 currently lists 375 recruiting preoperative 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 preoperative 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 preoperative 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.