Clinical trials
Preoperative clinical trials
Below are recruiting preoperative clinical trials, each written for real people, not researchers. We’re tracking 382 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04679454Recruiting
One-dose pre-surgery radiation for early breast cancer
This study tests whether giving a single dose of radiation before breast surgery can be safe and effective for early-stage breast cancer. It may help by shrinking or treating the tumor right before the operation, depending on your case.
MilanAges 18 years+ - NCT04775381RecruitingPhase 3
Vitamin D before thyroid surgery to prevent low calcium
This study tests whether taking vitamin D (cholecalciferol) before a total thyroid removal can reduce the risk of developing low blood calcium afterward. If you’re having your thyroid removed, the results may help prevent symptoms like tingling, cramps, or spasms caused by low calcium.
AuxerreAges 18 years+ - NCT04833751Recruiting
Study of heart and brain monitoring around heart surgery anesthesia
This study collects heart and brain signal information before and during anesthesia for people having cardiovascular surgery or procedures. The goal is to better understand risk and outcomes, and to improve how anesthesia is assessed.
SeoulAges 19 years+ - NCT04856488RecruitingPhase 3
Lugol’s iodine solution before thyroid surgery for overactive thyroid
This trial tests whether taking Lugol’s iodine solution before thyroid surgery is safe and helpful for people with Graves’ disease or toxic nodular goiter (overactive thyroid). It may be aimed at improving surgical readiness and outcomes by reducing thyroid activity before the operation.
Solna, Stockholm CountyAges 18–75 - NCT04860141RecruitingPhase 4
Gabapentin before wisdom tooth removal to reduce pain
This trial tests whether taking gabapentin before extracting a wisdom tooth helps with pain and comfort after the procedure. It may help people who need a third-molar removal, if they meet the safety and health requirements.
Loma Linda, CaliforniaAges 18–59 - NCT04891068RecruitingPhase 2
Pre-surgery low-dose azacitidine for high-risk early breast cancer
This trial studies whether giving a low dose of azacitidine before surgery can shrink or control high-risk early breast cancer. It’s meant for adults whose cancer has not yet spread to distant organs.
Chicago, IllinoisAges 18 years+ - NCT04894643Recruiting
Pre-surgery proton radiation plus chemo for borderline pancreatic cancer
This trial tests whether giving proton radiation and chemotherapy before surgery can shrink or control “borderline resectable” pancreatic cancer so it can be removed more effectively. It may help by improving treatment response while planning for surgery afterward.
Wiener Neustadt, Lower AustriaAges 18 years+ - NCT04973293Recruiting
Pre-surgery immunotherapy plus chemo and blood-vessel medicine for lung cancer
This study tests whether giving sintilimab (an immune therapy) combined with bevacizumab (a blood-vessel–targeting medicine) plus chemotherapy before surgery can improve outcomes for resectable lung cancer. It’s meant for people with specific lung cancer types and good health for surgery, and it avoids certain cancer types and immune-related risks.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT04973397Recruiting
Preventing vascular complications during same-day non-heart surgery
This study looks at ways to reduce blood vessel–related problems (like stroke or heart strain) around the time of planned same-day, non-heart surgery. If you qualify, you may be asked to take part in a specific prevention plan during and around your operation.
Winston-Salem, North CarolinaAges 45 years+ - NCT05030298RecruitingPhase 1
Pre-op focused radiation for aggressive brain tumor
This early-phase study tests a type of very targeted radiation given before surgery for people with a high-grade (aggressive) brain tumor. The goal is to see if this approach is safe and potentially improves treatment, while collecting tumor and blood samples for research.
Phoenix, ArizonaAges 18 years+ - NCT05083247RecruitingPhase 2
Pre-surgery chemotherapy plus targeted radiation for borderline pancreatic cancer
This trial studies whether giving chemotherapy before surgery, and possibly adding a focused high-dose radiation treatment, can improve outcomes for people with borderline resectable pancreatic cancer. It aims to shrink or control the cancer and help more patients get to surgery safely.
AntwerpAges 18 years+ - NCT05136326RecruitingPhase 2
Pre-surgery chemo-radiation for rectal cancer without MGMT
This trial studies whether adding two chemotherapy medicines (capecitabine and temozolomide) to standard pre-surgery chemo-radiation can work better for people with locally advanced rectal cancer that has a specific tumor marker pattern (MGMT “silenced”) and is mismatch-repair proficient (MSS). It aims to shrink the tumor before surgery and improve cancer control.
MilanAges 18 years+ - 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+ - NCT05146726Recruiting
Finding the best care for low blood before planned surgery
This study looks at how to detect and treat pre-surgery anemia (low hemoglobin/low blood level) in people having planned operations where blood transfusion is likely. Some participants may also use a machine that collects and returns their own blood during surgery to reduce the need for donor blood.
BerlinAges 18 years+ - NCT05150795RecruitingEarly Phase 1
Testing pregabalin before surgery versus fentanyl during surgery
This trial compares two medicines used around the time of surgery—pregabalin given by mouth before surgery versus fentanyl given during surgery—to see which better controls pain after the operation. You might join if you’re a generally healthy surgical patient and aren’t using certain related medicines.
CairoAges 21–45 - NCT05167994RecruitingPhase 2
Pre-surgery radiation plus an anti-cancer drug for soft tissue sarcoma
This Phase 2 trial tests whether giving radiation before surgery, along with anlotinib and penpulimab, can improve treatment for localized soft tissue sarcoma. It may help shrink or control the tumor before conservative surgery.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05184582Recruiting
Exercise program during chemotherapy for breast cancer
This trial studies whether a structured exercise program during pre-surgery chemotherapy can be safely done and may help people feel and function better during treatment. You may join if you have invasive breast cancer and can commit to the exercise plan while on chemotherapy.
MelbourneAges 18–100 - NCT05195710RecruitingPhase 1
Pre-surgery Y-90 treatment to grow future liver volume
This trial tests a radiation treatment called Y-90 given before liver surgery for colorectal cancer that has spread to the liver. The goal is to help the liver grow enough for safer, curative surgery, either right away or as part of a two-step operation.
Houston, TexasAges 18 years+ - NCT05197972Recruiting
Hypnosis and heart-breathing training to reduce cancer surgery anxiety
This study tests whether guided “heart-breathing” and hypnosis (through an app) can lower anxiety before cancer surgery. It may help you feel calmer in the days leading up to the operation.
Montpellier, HéraultAges 18 years+ - NCT05204108Recruiting
Ultrasound test to check bladder cancer muscle spread
This trial studies a special ultrasound scan with contrast dye to see whether bladder cancer has grown into the muscle layer. It may help doctors plan the best treatment before surgery.
Guangzhou, GuangdongAges 18–75 - NCT05224934Recruiting
Radiation before surgery for retroperitoneal soft-tissue sarcoma
This trial tests giving a shorter, lower-dose radiation treatment before surgery for a retroperitoneal (deep belly/back space) soft-tissue sarcoma. The goal is to shrink or control the tumor and make surgery more effective and safe.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05334459Recruiting
Radiation and medicines after surgery for new metastatic breast cancer
This trial looks at giving radiation and anti-cancer medicines after surgery to treat newly diagnosed (de novo) metastatic breast cancer. It may help patients by improving local control of the breast area while also treating cancer throughout the body.
AnkaraAges 18–80 - NCT05337566Recruiting
Extra antibiotic before hysterectomy to prevent infections
This trial tests whether giving extra antibiotic (azithromycin) before hysterectomy can lower the chance of infections after surgery. You might benefit by helping prevent post-surgery infection, but it also depends on your allergy history and heart rhythm risks.
HelsinkiAges 18 years+ - NCT05357846RecruitingPhase 3
Check whether PD-1 treatment helps esophagus cancer before surgery
This Phase 3 trial tests whether adding a PD-1 medicine (sintilimab) to standard chemo-radiation before surgery improves outcomes for locally advanced esophageal squamous cell cancer. It may help by strengthening the immune response while shrinking the tumor before an operation.
Guangzhou, GuangdongAges 18–70
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Common questions
- Are there clinical trials for preoperative?
- Yes. Clin2 currently lists 382 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.