Clinical trials
Postoperative clinical trials
Below are recruiting postoperative clinical trials, each written for real people, not researchers. We’re tracking 1,397 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05444361Enrolling by invitation
Ultrasound freezing treatment for pain after mastectomy
This trial tests a “freezing” nerve procedure guided by ultrasound to help reduce pain after mastectomy. It aims to lessen postoperative pain by temporarily calming specific nerves involved in chest wall sensation.
Los Angeles, CaliforniaAges 18 years+ - NCT05400382Recruiting
Mindfulness for depression and pain after cesarean delivery
This study tests whether a mindfulness program can help new mothers manage pain and depression after a planned cesarean delivery. You might be eligible if you are a woman of color or non-Hispanic White with a history of depression and are scheduled for a planned C-section.
Champaign, IllinoisAges 18–45 - NCT05404503Enrolling by invitation
Check how often bile-duct cancer happens in choledochal cysts
This study looks at how frequently cholangiocarcinoma (bile-duct cancer) occurs in people with choledochal cysts (a swelling of bile ducts). It mainly uses existing imaging records to understand risk in a hospital population.
HuelvaAges Any age - NCT05379673Recruiting
Breathing changes with extra oxygen after surgery
This study looks at whether giving extra oxygen during recovery from general anesthesia changes how you breathe after surgery. You may be offered different oxygen levels around the time you wake up to see what helps your breathing most comfortably.
Stanford, CaliforniaAges 18–70 - NCT05360069Recruiting
Stapler type choice for stomach cancer surgery connection
This trial compares two surgical stapler methods used to connect the esophagus to the small intestine after stomach cancer surgery. It may help find which method works better and is safer for certain stomach cancer patients.
Nanchong, SichuanAges 18–90 - NCT04439552Recruiting
MRI study during cornea cross-linking for keratoconus
This trial uses an MRI scan (and a close-up eye scan) to study what happens in the cornea during treatment for keratoconus. It may help doctors better understand how treatment works and who benefits most.
Boston, MassachusettsAges 8–35 - NCT05315596Enrolling by invitation
Tracking pain and recovery answers after surgery
This study checks how patients report pain and recovery over time after surgery. It may help improve how hospitals understand and manage pain after operations.
JenaAges 18 years+ - NCT05334485RecruitingPhase 2/Phase 3
Pyridostigmine to treat slow bowel recovery after colorectal surgery
This trial tests whether pyridostigmine helps return bowel function faster after colorectal surgery when the gut is “stuck,” causing bloating and no gas or stool. It also checks safety and side effects compared with standard care.
Cleveland, OhioAges 18 years+ - NCT05351229RecruitingPhase 4
Spinal morphine for pain control after lung surgery
This trial tests whether putting morphine into the spinal area during lung surgery can reduce pain after surgery for people having certain minimally invasive lung operations. It aims to improve comfort and possibly reduce the need for other pain medicines.
Chicago, IllinoisAges 18–80 - NCT05257746Recruiting
Testing bladder and rectal function after rectal surgery
This study follows people after rectal surgery to check how well the rectum and urinary (bladder) functions work over time. It may help doctors better understand recovery and what can improve quality of life after surgery.
Dresden, SaxonyAges 18 years+ - NCT05306925Recruiting
Arginine supplement study for newborns after major gut surgery
This study looks at whether giving an amino-acid supplement called arginine to newborns after major bowel surgery can improve the baby’s immune response. It may help doctors understand how to support recovery after conditions like necrotizing enterocolitis or certain birth defects.
Liverpool, MerseysideAges 5 months–10 months - NCT05260320Recruiting
Testing the best anesthesia plan for teens having jaw surgery
This study looks at whether a standardized anesthesia plan works best for kids and teens having Le Fort jaw surgery at Johns Hopkins. If you qualify, the team may use or adjust anesthesia to improve safety and comfort during surgery.
Baltimore, MarylandAges 14 years+ - NCT05278494Recruiting
Dextromethorphan to reduce pain after knee replacement
This trial studies whether dextromethorphan (a medicine sometimes used for cough) can reduce pain after total knee replacement surgery. If you’re having this operation and meet safety criteria, it may help improve how you feel during recovery.
Los Angeles, CaliforniaAges 18 years+ - NCT05231460Enrolling by invitationPhase 4
Pain plan study for people before bariatric surgery
This study tests a specific pain-management plan for people who are scheduled for sleeve gastrectomy (done by laparoscopy or robotics). The goal is to find how to control pain safely around the time of surgery while avoiding certain risks and medication issues.
Phoenix, ArizonaAges 18 years+ - NCT05199025Recruiting
Study of blood and lab markers around major surgeries
This study checks blood and other lab “biomarkers” during the time before and after major surgeries to see if they can help guide perioperative care. You might be eligible if you are having certain planned heart, lung, GI, or blood-vessel surgeries and can give informed consent.
Breda, North BrabantAges 18 years+ - NCT05247255Enrolling by invitationEarly Phase 1
Nerve block during hip replacement surgery
This early-stage study tests whether a specific nerve block to numb the lower back area can make total hip replacement surgery more comfortable. It looks at patients who are having planned (elective) hip replacement and whether the nerve block is safe and works well.
Santa Monica, CaliforniaAges 18 years+ - NCT05179928Recruiting
Numbing injections for less pain after belly surgery
This trial compares two different numbing injection techniques to help control pain after surgery above the belly button. It may help people who qualify have better or longer-lasting pain relief with fewer side effects.
Damanhūr, El-BeheiraAges 21–60 - NCT05169593RecruitingPhase 4
Prevent Crohn’s return after surgery: endoscopy-guided vs standard medicine
This study compares two ways to choose biologic (targeted) medicines after Crohn’s surgery to help stop Crohn’s from coming back in the bowel. It may help you avoid or delay repeat inflammation by adjusting treatment based on endoscopy findings.
Antwerp, AntwerpenAges 18–80 - NCT05188872Recruiting
PET scan for adrenal hormone condition before and after treatment
This trial uses a special PET scan to look at a hormone gland condition called primary aldosteronism, which can cause high blood pressure. It aims to see if the scan helps doctors plan treatment and check results.
Fuzhou, FujianAges 19–90 - NCT05193240Recruiting
Swallowing test to predict vocal cord paralysis after lung surgery
This study checks whether a simple swallowing test can forecast vocal cord paralysis after lung surgery, compared with a camera exam of the throat. If predictions are accurate, it may help doctors prevent or plan treatment for swallowing and voice problems.
RouenAges 18 years+ - NCT05058287RecruitingPhase 3
Steroid shot during low-back surgery
This trial tests whether using a steroid medicine (a steroid shot) around the time of low-back decompression surgery improves pain and recovery. It is for adults having a limited-area laminectomy, and it compares steroid use versus not using it.
New York, New YorkAges 18–85 - NCT04894864RecruitingPhase 4
Opioid-free anesthesia for elective abdominal aortic aneurysm surgery
This trial studies an “opioid-free” anesthesia and pain plan during planned open surgery for an abdominal aortic aneurysm. The goal is to see whether this approach reduces surgical stress and pain compared with usual care.
Heraklion, CreteAges 40–85 - NCT04913649RecruitingPhase 4
IV iron for anemia after heart surgery in older adults
This trial tests whether giving iron through a vein after heart surgery helps treat postoperative anemia (low red blood cells) in people age 70 and older. It may improve recovery by correcting low iron levels after surgery.
BredaAges 70 years+ - 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
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Common questions
- Are there clinical trials for postoperative?
- Yes. Clin2 currently lists 1,397 recruiting postoperative 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 postoperative 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 postoperative 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.