Impact of Obesity on Textbook Outcome Achievement in Minimally Invasive Colorectal Cancer Surgery

Textbook Outcome (TO) is a composite quality measure that integrates multiple perioperative endpoints to provide a comprehensive assessment of surgical quality. Although obesity has been associated with adverse outcomes after colorectal surgery, its impact on achieving TO remains unclear, particularly in the era of minimally invasive surgery. This study aimed to evaluate the association between body mass index (BMI) and TO achievement in patients undergoing minimally invasive colorectal cancer surgery.

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Key information

Conditions

Minimal Invasive Colorectal Surgery Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Obesity Overnutrition Overweight Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Bakırköy Dr. Sadi Konuk Training and Research Hospital, University of Health Sciences

Istanbul, Bakirköy, 34147, Turkey (Türkiye)

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients who underwent curative minimally invasive colorectal cancer resection at a single tertiary referral center between 2021 and 2025 were retrospectively reviewed. All patients were ≥18 years of age.

Exclusion criteria

Patients undergoing metastatic resections, abdominoperineal resection (APR), Hartmann's procedure, multisegmental or total colectomy, transanal minimally invasive surgery (TAMIS), or palliative procedures were excluded from the analysis.

Treatment and study plan

Primary outcomes

Demographic, clinical, and perioperative characteristics

Time frame: 30 days

Age, sex, comorbidity burden assessed by the age-adjusted Charlson Comorbidity Index (CCI) , ASA score , tumor location, neoadjuvant therapy, surgical approach, or postoperative complication rates

Secondary outcomes

Textbook Outcome

Time frame: 30 days

R0 resection, LN retrieval (≥12), Major Complication (CD≥3), LOS<14 days, No readmission, No mortality

Sponsors and collaborators

Lead sponsor

Bakirkoy Dr. Sadi Konuk Research and Training Hospital

Other Gov

Registry information

Important dates

Study start: 2021
Primary completion: 2025
Study completion: 2026
First posted: Aug 10, 2026
Registry last updated: Aug 10, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed