Periplaneta americana extract or periplaneta americana medicinal powder as well as preparation method thereof and application in preparation for medicine used for preventing and treating radiation-induced damages

Abstract

The present invention provides an application of a periplaneta americana medicinal powder or a periplaneta americana extract in preparation for a medicine used for preventing and treating radiation-induced damages. The medicine is capable of preventing and treating the damages caused by radiation therapy for nasopharyngeal cancer, esophageal cancer, stomach cancer, lung cancer, liver cancer, breast cancer, waldeyer's lymphoma, and other cancers. Through test verification, the medicine of the present invention has an obvious prevention and treatment effect for damages caused by radiation therapy for patients with breast tumours and breast cancer after surgery.

Dependencies are inferred from the claim text.