X-CEN 25 tablet is prescribed to treat specific types of breast cancer in post menopausal women. This medicine is also suggested to prevent returning of cancer. Advanced formulation of this medicine minimizes production of estrogens in patients body and reverses the growth of cancer affected cells. This medicine is recommended for patients whose cancer has progressed after taking drugs like sotamox and nolvadex for two to three years of treatment. This drug is effective in preventing symptoms like breast lump or any change in breast shape. Standard of X-CEN 25 has been tested on the basis of its storage life, packaging standard, effectiveness, possible side effects etc.