Fluorouracil Bolus Use in Infusional Regimens Among Oncologists-A Survey by Brazilian Group of Gastrointestinal Tumors.

Purpose: The utility of administering fluorouracil (5-FU) in bolus in regimens of infusional 5-FU has been questioned. We aimed to quantify the use of 5-FU bolus in infusional regimens for gastrointestinal malignancies among Brazilian oncologists.

Methods: This was a cross-sectional electronic survey composed of eight multiple-choice questions sent to Brazilian oncologists during 14 days in February 2021.