Introduction: Colorectal cancer (CRC) is a worldwide problem of public health and arises mainly from polyps. In last 25 years, a strategy called chemoprevention that consists of food intake like purple corn and turmeric or chemical substances like acetyl salicylic acid (ASA) and non-steroidal anti-inflammatory drugs (NSAIDs) that prevent effectively carcinogenesis reducing the risk of polyp development. Objective: To determine the efficacy and safety of lyophilized concentrate of purple corn (Zea mays L.) 200 mg in the prevention of colonic polyps development in private gastroenterological practice Methods: we randomly assigned 112 patients (cases) to receive this product and 112 patients (controls) to receive placebo, during 3 years. Both groups had similar demographic, clinical and medical history characteristics. Results: we found that cases developed 83% less polyps than controls (p&...

Recientemente nos dejó físicamente el Dr. Óscar Eduardo Frisancho Velarde, eminente gastroenterólogo peruano, past presidente de la Sociedad de Gastroenterología del Perú, causando hondo pesar en la comunidad médica nacional, pero dejando una profunda huella por su fructífera trayectoria.