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Olive Oil Before Lung Cancer Surgery to Prevent Chylothorax

Sponsor: Fudan University • ClinicalTrials.gov ID: NCT07807696

Registry updated: 2026-09-08
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Description

Chylothorax is a rare but serious complication after lung cancer surgery and mediastinal lymph node dissection. This multicenter randomized trial will evaluate whether drinking 40 mL of extra-virgin olive oil 4 hours before surgery can reduce the occurrence of chylothorax after curative lung cancer resection. A total of 1,036 adults with resectable lung cancer will be assigned in a 1:1 ratio to preoperative oral olive oil or standard preoperative fasting without additional olive oil. The primary outcome is the occurrence of chylothorax within 30 days after surgery. Secondary outcomes include repeat surgery, postoperative complications, chest drainage, length of chest tube use, length of hospital stay, and the safety and tolerability of the intervention.

Interventions

  • Extra-Virgin Olive Oil (Dietary supplement)
    A single 40 mL dose of extra-virgin olive oil is taken orally 4 hours before curative lung cancer surgery. After ingestion, participants continue fasting from food and water until surgery.

Eligibility criteria

Inclusion Criteria: * Voluntary participation and willing and able to complete all study procedures. * Age 18 to 80 years, inclusive, at informed consent. * Eastern Cooperative Oncology Group performance status of 0 or 1. * Resectable lung cancer. * No prior surgery for lung cancer. * Treatment-naive and no prior radiotherapy or chemotherapy. * Able to take food orally before surgery. Exclusion Criteria: * Allergy to olive oil or any of its components. * History of acute or chronic pancreatitis or severe biliary disease. * Fat malabsorption syndrome. * Prior ipsilateral thoracic surgery or thoracic radiotherapy or chemotherapy. * Unable to comply with preoperative dietary instructions.

Conditions

Lung Cancer Chylothorax

Locations

  • Fudan University Shanghai Cancer Center — Shanghai, Xuhui, China
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record