Zinc-L-Carnosine Prevents Dysphagia in Breast Cancer Patients Undergoing Adjuvant Radiotherapy

. This is a randomized phase III prospective placebo-controlled trial with patients recruited from one single university teaching hospital. Inclusion criteria were: age ≥18 years, breast cancer patients who were candidates for post-operative RT by means of HeT to the breast /chest wall and SC/IC nodes (III-IV levels).Exclusion criteria were: pregnancy or lactation, known or suspected hypersensitivity or allergy to ZLC or to any of the excipients in its oral solution. All patients were randomized by a pre-determined computer code to two groups. 1. HEPILOR arm: patients received ZLC solution 2. Placebo arm: patients received a placebo solution Toxicity was assessed weekly in all patients immediately before or after the RT session. Acute toxicity was defined as occurring during RT or in 30 days after it ended and assessed using the Common Terminology Criteria for Adverse Events (CTCAE 4.0 scale). Dysphagia was assessed weekly by means of EAT 10, a self-administered questionnaire