Perioperative Iron for Colorectal Cancer (PICoC Study)

Inclusion Criteria: * Participant is willing and able to give informed consent for participation in the study. * Male or Female, aged 18+ years. * Diagnosed with histologically or radiologically diagnosed colorectal adenocarcinoma. * Anaemic at point of diagnosis of colorectal adenocarcinoma (Defined as haemoglobin 10g/L below WHO criteria: 120g/L for males and 110g/L for females, to account for a 10% fluctuation in Hb) * Undergoing surgery for colorectal cancer with curative intent. * Date of planned surgery is ≥ 14 days from date of planned initiation of recruitment. * Able (in the investigators opinion) and willing to comply with all study requirements. * Willing to allow his or her General Practitioner and consultant, if appropriate, to be notified of participation in the study. Exclusion Criteria: * Patients who do not have a histological diagnosis of colorectal adenocarcinoma * Female participants who are pregnant, lactating or planning a pregnancy during the course of the study. * Patients with evidence of iron overload or disturbances in utilisation of iron as stated in the product SPC. * Previous gastric, small bowel or colorectal surgery (where ≥50% of stomach or terminal ileum has been resected) * Chemotherapeutic treatment within the last 4 weeks. * Known previous anaemia not attributable to colorectal carcinoma (i.e. anaemia in patients with well established, inflammatory disorders) * Known haematological disease. * Features necessitating urgent surgery (e.g. …