Impact of Non-Anaemic Iron Deficiency Correction on Exercise Capacity and Perioperative Outcomes in Colorectal Cancer Surgery

Interventions: Ferric carboxymaltose, 20mg/kg (up to 1000mg) in 500mL 0.9% sodium chloride administered intravenously. A single dose will be administered under direct observation of the study team.
Primary outcome(s): Change in V’O2 peak measured by cardiopulmonary exercise testing. The test will be conducted using an electromagnetically braked cycle ergometer with a 20W ramp protocol.[Measured at baseline and three weeks following administration of study drug]
Study Design: Purpose: Treatment; Allocation: Randomised controlled trial; Masking: Blinded (masking used);Assignment: Parallel;Type of endpoint: Efficacy