Clinical trials
Preoperative clinical trials
Below are recruiting preoperative clinical trials, each written for real people, not researchers. We’re tracking 388 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07315308Recruiting
Nerve block before heart surgery and painkiller use
This study tests whether a numbing injection in the chest before heart surgery can reduce the amount of pain medicine needed during the operation. It may help you manage pain better and recover more comfortably.
Gaziantep, SahinbeyAges 18–65 - NCT07323940Recruiting
Can brain waves during surgery predict delirium after?
This study looks at whether brain activity patterns during your surgery can predict confusion or delirium after the operation. It may help doctors better prevent postoperative confusion in older adults.
HaikouAges 65 years+ - NCT07324057Recruiting
Medication before surgery to reduce autism-related anxiety in children
This trial tests whether a nose spray given before anesthesia can help children with autism feel calmer and have fewer behavior problems after surgery. It compares two medications, dexmedetomidine and esketamine, to see if they reduce negative post-surgery changes.
Nanjing, JiangsuAges 2–12 - NCT07339202Recruiting
Timing of dialysis before surgery for kidney failure
This study looks at the best timing for dialysis before planned surgery in people with kidney failure. It aims to find out if changing when you have dialysis can improve recovery and reduce complications.
Stanford, CaliforniaAges 18 years+ - NCT07350928RecruitingPhase 3
Nasal spray before breast-saving surgery for calm wakefulness
This trial tests a nasal spray (dexmedetomidine) given before breast-conserving surgery to help you stay calm and comfortable while awake during the procedure. It aims to improve your recovery and waking experience after surgery.
TianjinAges 20–70 - NCT07356895Recruiting
Social stories for children with autism having surgery
This trial tests if reading a special storybook at home helps children with autism feel calmer and cooperate better when they go in for surgery.
AnkaraAges 3–18 - NCT07357571Recruiting
Can ultrasound help predict lymph node spread in early thyroid cancer?
This trial uses contrast-enhanced ultrasound before surgery to see if it can predict whether cancer has spread to lymph nodes in patients with early-stage papillary thyroid cancer. The goal is to improve treatment planning without unnecessary surgery.
Guangdong, GuangzhouAges Any age - NCT07368205Recruiting
Risk assessment before surgery for endometrial cancer
This trial looks at better ways to predict how aggressive your endometrial cancer is before surgery, so doctors can decide if they need to check your lymph nodes. It may help tailor your treatment to avoid unnecessary procedures.
Hradec KrálovéAges 18 years+ - NCT07370987RecruitingPhase 2
Preventing pancreatic fistula after surgery with pre-surgery radiation
This trial tests if a short course of radiation before surgery can lower the risk of a pancreatic leak (a common complication). It is for people who are overweight, older than 45, and have a small pancreatic duct.
ParisAges 45 years+ - NCT07379775Recruiting
Testing AAR for nasal obstruction surgery decisions
This trial tests whether a simple device that measures your breathing (AAR) is reliable enough to help doctors decide if surgery is needed for nasal obstruction. It looks at patients who already plan to have surgery to see if this test matches what the surgeon finds.
Draguignan, VarAges 18 years+ - NCT02222844Recruiting
MRI checks for treatment planning in sigmoid colon cancer
This study uses MRI scans to better plan “curative” treatment (aimed at cure) for sigmoid colon cancer before surgery. It is for people who may still be deciding on the radical (major, curative) treatment plan and who can safely have an MRI.
Huntingdon, CambridgeshireAges 16 years+ - NCT02701153Recruiting
Short pre-surgery radiation for soft-tissue sarcoma
This trial tests a short course of radiation before surgery to shrink a soft-tissue sarcoma and make it easier to remove. It may help by improving how well the tumor can be removed, while studying safety and effectiveness for this cancer type.
Los Angeles, CaliforniaAges 18 years+ - NCT02978911Recruiting
MRI brain scan study for tumors needing skull-base surgery
This study looks at how MRI pictures can show the brain nerve pathways in adults with a skull-base tumor that needs surgery. The goal is to improve surgical planning and outcomes by better mapping what areas the surgery will affect.
BronAges 18 years+ - NCT07675993Recruiting
Sleep and anesthesia in non-heart surgery
This study looks at how sleep problems before surgery affect the amount of anesthesia needed and how well you recover after non-cardiac surgery. The goal is to help doctors personalize care for better recovery.
Yinchuan, NingxiaAges 18–65 - NCT05595954Recruiting
Personalized anesthesia plan to protect the brain during heart surgery
This trial studies whether tailoring anesthesia and monitoring the brain’s blood-flow control during heart surgery can improve neurological outcomes (brain-related function and recovery). It may help by guiding anesthesia in a more individualized way and checking how well the brain is protected during the operation.
BaselAges 65 years+ - NCT07403747Recruiting
Using a ride-on toy car to reduce anxiety during surgery prep
This study tests if letting preschool boys ride a toy car to the operating room helps them feel less anxious. It may be a good option if your child is having tonsil or adenoid surgery for the first time.
AnkaraAges 3–7 - NCT07403773Recruiting
Home doll vs hospital doll for preschool girls before surgery
This study compares having your child bring her own doll from home versus using a hospital doll to help her feel less anxious before tonsil or adenoid surgery. The goal is to see which doll works better to reduce fear.
Ankara, ÇANKAYAAges 3–7 - NCT07413302Recruiting
Predicting recovery after back surgery for leg weakness
This study looks at which factors before surgery help predict how well leg weakness improves after a single-level microdiskectomy (minimally invasive back surgery for a slipped disk). It may help you understand what to expect if you are having this procedure.
KavalaAges 18 years+ - NCT07414251Recruiting
Preparing children for heart procedures
This study looks at how children prepare for heart surgery or a heart catheterization. It will ask families to fill out questionnaires to help improve preoperative care.
Berlin, State of BerlinAges Up to 18 years - NCT07423767Recruiting
Counseling before ACL surgery to reduce fear and improve recovery
This study tests whether a short counseling program before ACL surgery can help reduce fear of movement and improve recovery. If you are preparing for your first ACL reconstruction, this program may help you feel more confident and get back to activities sooner.
Beijing, None SelectedAges 18–45 - NCT07435805Recruiting
Long-term COVID effects in patients preparing for surgery
This study looks at long-term health effects in people who had COVID-19 and are now preparing for surgery. If you had a lab-confirmed COVID-19 infection, you may be asked to fill out a questionnaire during your preoperative anesthesia visit to help researchers understand how COVID affects recovery and health over time.
Elâzığ, ElaziğAges 18 years+ - NCT07439679Recruiting
Anxiety Before Double Jaw Surgery and Your Recovery
This trial studies how anxiety before double jaw surgery affects your body during surgery and your recovery (pain, swelling, and ability to open your mouth). Researchers will use a simple anxiety questionnaire to see if feeling anxious changes your surgical experience.
IstanbulAges 18 years+ - NCT07445997Recruiting
HbA1c and kidney injury after heart bypass surgery
This study looks at whether blood sugar levels (HbA1c) before surgery are linked to kidney problems after coronary artery bypass surgery. It may help doctors understand how to reduce risks for people with diabetes or high blood sugar.
BursaAges 18 years+ - NCT07450014Recruiting
Does anxiety before surgery affect risks from spinal anesthesia?
This study looks at whether how anxious you feel before surgery affects your risk of a sudden drop in heart rate and blood pressure (vasovagal event) when you receive spinal anesthesia. Participation may help doctors better understand and prevent these episodes.
SanliurfaAges 18–65
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Common questions
- Are there clinical trials for preoperative?
- Yes. Clin2 currently lists 388 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.