Postoperative Complication Clinical Trials

110 recruitingLast updated: May 21, 2026

There are 110 actively recruiting postoperative complication clinical trials across 32 countries. Studies span Not Applicable, Phase 2, Phase 3, Phase 4, Phase 1. Top locations include Beijing, China, Beijing, Beijing Municipality, China, Wenzhou, Zhejiang, China. Updated daily from ClinicalTrials.gov.


Postoperative Complication Trials at a Glance

110 actively recruiting trials for postoperative complication are listed on ClinicalTrialsFinder across 6 cities in 32 countries. The largest study group is Not Applicable with 45 trials, with the heaviest enrollment activity in Beijing, Beijing, and Wenzhou. Lead sponsors running postoperative complication studies include Peking University First Hospital, Assistance Publique - Hôpitaux de Paris, and Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA).

Browse postoperative complication trials by phase

About Postoperative Complication Clinical Trials

Looking for clinical trials for Postoperative Complication? There are currently 4 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Postoperative Complication trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Postoperative Complication clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 110 trials

Recruiting
Not Applicable

Free Fluid Detection With Telementored eFAST

AscitesPostoperative ComplicationsHemoperitoneum+1 more
Oslo University Hospital40 enrolled1 locationNCT06594562
Recruiting

Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy

Opioid Induced Respiratory DepressionPostoperative Complications (Cardiopulmonary)Respiratory Complications Due to Anesthesia
NeurOptics Inc300 enrolled2 locationsNCT07573150
Recruiting
Phase 4

The Effect of Different Types of Mouthwash on Extraction Sockets' Healing

Quality of LifePostoperative ComplicationsExtraction Socket Healing
University of Jordan100 enrolled1 locationNCT06587880
Recruiting

SHAPE Test for Preoperative Risk Stratification

Perioperative/Postoperative ComplicationsAerobic capacity
Yale University371 enrolled1 locationNCT05743673
Recruiting
Not Applicable

Promoting Sleep to Alleviate Pain - Arthroplasty

SurgeryPain, PostoperativeInsomnia+3 more
Uppsala University100 enrolled1 locationNCT06145516
Recruiting

Biomarkers in Perioperative Management

DeathQuality of LifePostoperative Complications
St. Antonius Hospital5,000 enrolled2 locationsNCT05199025
Recruiting

Prediction of Postoperative ICU Requirement in Oncologic Surgery

NeoplasmsPerioperative/Postoperative ComplicationsPostoperative Complications+1 more
Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital500 enrolled1 locationNCT07542925
Recruiting

Comparing Traditional Risk Scores and an AI-Based Multimodal Model for Predicting Cardiovascular Events After Gastrointestinal Surgery

Cardiovascular DiseasesPostoperative ComplicationsDigestive System Surgical Procedures
Bach Mai Hospital5,000 enrolled1 locationNCT07539532
Recruiting

KIA-Korekt: Staged Unimodal-to-Multimodal AI Evaluation for Perioperative Risk Prediction in Colorectal Cancer

Colorectal Cancer Postoperative Complications
Rene Mantke910 enrolled1 locationNCT07537491
Recruiting
Not Applicable

Impact of a Global Warming Strategy of the Patient on the Prevalence of Hypothermia in the Recovering Room

Perioperative/Postoperative ComplicationsHypothermia; Anesthesia
Poitiers University Hospital174 enrolled1 locationNCT06551558
Recruiting

DeepComp for Prediction of Gastric Cancer Postoperative Complications (DeepComp-Prospective)

Postoperative ComplicationsGastric Cancer (Diagnosis)
Qun Zhao500 enrolled1 locationNCT07401173
Recruiting
Not Applicable

Intraoperative Fluid Management Guided by Internal Jugular Vein on Postoperative Complications in Abdominal Surgeries

Postoperative Complications
Suez Canal University84 enrolled2 locationsNCT07041021
Recruiting

A Multimodal AI Prediction Model for Complications After Transcatheter Closure of Perimembranous VSD in Children

Postoperative ComplicationsCardiac CatheterizationCongenital Heart Disease (CHD)+1 more
Xinhua Hospital, Shanghai Jiao Tong University School of Medicine5,249 enrolled1 locationNCT07375602
Recruiting

Registry for the Improvement of Postoperative OutcomeS in Cardiac and Thoracic surgEry

DeathPostoperative ComplicationsHeart Diseases+1 more
CMC Ambroise Paré8,000 enrolled1 locationNCT03209674
Recruiting

Preoperative Exercise Testing and Perioperative Outcomes

Postoperative Complications (Cardiopulmonary)
Yale University992 enrolled1 locationNCT07519733
Recruiting

DIEP Flap Breast Reconstruction: Perioperative Biomarkers and Outcomes

Breast NeoplasmsWound HealingPostoperative Complications+3 more
Hubei Cancer Hospital30 enrolled1 locationNCT07263347
Recruiting
Not Applicable

Linear Stapler Versus Circular Stapler in Esophagojejunostomy

Postoperative ComplicationsOperative TimeHospital Costs
Nanchong Central Hospital100 enrolled1 locationNCT05360069
Recruiting
Not Applicable

Stapler Reinforcement Patches Compared to Standard Staplers in Gastrojejunostomy

Gastric CancerPostoperative ComplicationsGastrostomy+1 more
Nanchong Central Hospital382 enrolled1 locationNCT06464978
Recruiting

Elderly Patients Undergoing Surgery During Perioperative Period

ElderlyPostoperative ComplicationsPostoperative Delirium (POD)+2 more
Second Affiliated Hospital of Wenzhou Medical University1,200 enrolled1 locationNCT07314762
Recruiting

OSA Risk Level in Dental Patients and Correlation With Complications After General Anesthesia

Postoperative ComplicationsObstructive Sleep Apnea of AdultObstructive Sleep Apnea Risk Management+1 more
Kırıkkale University240 enrolled2 locationsNCT06430957