Surgery

Why trials studying Surgery stopped, in this sample of ClinicalTrials.gov.

23 stopped trials with a clear reason; 83% ended for non-scientific reasons.

Trials

• ALgorithms Adapted From Remote Monitoring
  NCT05782140 · TERMINATED · slow accrual
  “Low enrollment, completion of funding”
• Gastric US in ICU Patient
  NCT05526105 · WITHDRAWN · logistics pi
  “Not enough resources (time and manpower) to run study.”
• Recruitment and Behavioral Economic Strategies
  NCT05441579 · TERMINATED · futility
  “Interim analysis showed no difference between groups”
• Clinical Study Evaluating the Proper Surgical Safety Margin for Early Stage Oral Tongue Cancers
  NCT04738786 · TERMINATED · slow accrual
  “Due to Korean medical crisis, Resident strike, Patient referral (tongue cancer patients) to tertiary center has been in hold. Patient recruitment was seriously affected, and decreased.”
• In Vivo Glycocalyx as Predictor of Complications After Cardiac Surgery
  NCT04643535 · TERMINATED · regulatory
  “The period of authorization for effective inclusion has ended at 130 inclusions out of a theoretical 600.”
• Esophageal Pressure Measurements During One-lung Ventilation
  NCT04725318 · TERMINATED · slow accrual
  “Slower than expected enrollment”
• Study to Assess the Impact of Personalized Coaching on the Time Period and Quality of Return to Work After Breast Cancer
  NCT04469205 · TERMINATED · slow accrual
  “insufficient recruiting”
• A Randomized Controlled Trial Comparing Sutures vs Staples for High Tension Closures
  NCT06638736 · WITHDRAWN · regulatory
  “Administrative withdrawal, study was never approved by IRB”
• Neoadjuvant Chemoradiation for Resectable Glioblastoma
  NCT04209790 · TERMINATED · logistics pi
  “Suspended to identify a permanent PI at site level. Decision to Terminate was made on 7/29/25 because no other PI able to take on project.”
• ACT Guided Heparinization During Open Abdominal Aortic Aneurysm Repair.
  NCT04061798 · TERMINATED · futility
  “Futility”
• Augmented BLAdder NecK rEconstruction Trial for Improved Urinary Function After Radical Prostatectomy
  NCT04305379 · TERMINATED · logistics pi
  “Stopped due to COVID-19 pandemic, low priority among initiatives and officially terminated.”
• Surgical and Patient Reported Outcomes of Robotic Nipple-Sparing Mastectomy
  NCT04151368 · SUSPENDED · logistics pi
  “Recruitment has been temporarily suspended since the start of the pandemic due to the need for travel for this study. Will resume when appropriate.”
• Efficacy of Transvaginal Repair for Rectocele
  NCT03944720 · TERMINATED · slow accrual
  “Lack of recruitment in participating centers”
• Contribution of Connected Devices in the Follow-up of the Observance of a Prehabilitation Program
  NCT03363009 · TERMINATED · logistics pi
  “Logistical issues”
• ACDF Comparison Trial
  NCT03187171 · WITHDRAWN · funding business
  “Funding”
• Speeding Recovery From Pain and Opioid Use
  NCT03388814 · WITHDRAWN · funding business
  “Lack of Funding”
• Perioperative Factors Impacting Surgical Risk and Outcomes in Children
  NCT03436667 · WITHDRAWN · logistics pi
  “PI left the institution”
• Patient Adherence to Premarin Versus Vagifem Therapy After Female Pelvic Reconstructive Surgery
  NCT02860897 · WITHDRAWN · funding business
  “Unable to provide study medications due to cost.”
• Perioperative Changes of Cerebrovascular Autoregulation and Association With Cognitive Function
  NCT04101006 · TERMINATED · slow accrual
  “recruitment difficulties, high postoperative drop-out rate”
• Trial Comparing Peripheral I.V. Catheter Complication Rates of Two Different Catheter Dressings
  NCT02725788 · TERMINATED · futility
  “Due to futility”
• Pain as Indication for Operative Treatment of Traumatic Rib Fractures
  NCT02094807 · WITHDRAWN · slow accrual
  “Slow inclusion rate. Awaiting results from NCT02132416.”
• Effect of Remifentanil on Hemodynamic Stability During Placement of a Mayfield Head Fixation Device for Craniotomy
  NCT02430389 · TERMINATED · other
  “A priori hypothesis confirmed with interim analysis.”
• Impact of Early Goal-directed Fluid Therapy in Septic Patients Undergoing Emergency Surgery
  NCT01654003 · TERMINATED · slow accrual
  “recrutment difficulties”

Reasons are labeled automatically and are unverified. See the methodology. This is research information, not medical advice. Search the full database.