An anti-cancer therapeutic vaccine, developed by Indian scientists, is all set to undergo clinical trials in Chennai and the US in the next few months. The vaccine, developed by scientists at the National Institute of Immunology (NII), seeks to prolong the life-span of patients with advanced stages of various kinds of cancer, including that of breast, ovarian, cervical and blood.According to sources, Convenor of the Cancer Research Programme at the NII, Anil Suri said in New Delhi that the first clinical trials are expected to begin at Adayar Cancer Institute in Chennai early next year. NII has also signed agreements with the National Cancer Institute in the US for undertaking clinical trials at the Sloan Kettering Memorial cancer hospital in New York.India reports 10 lakh new cancer cases every year and four lakh die annually because of the disease. Union Health Ministry data shows over 25 lakh cancer patients in the country at any point of time. In developed countries, cancer deaths account for 21 per cent of all mortality claiming over 25 lakh victims every year.