Takeda
announced that the company has initiated the enrollment of the phase III clinical trials evaluating Leuplin 6 month depot for the treatment of prostate cancer and premenopausal breast cancer in Japan.
The two phase III clinical trials are multicenter, randomized, open-label, comparative studies. The company plans to enroll approximately 160 patients in each trial to evaluate the safety, efficacy, pharmacokinetics and hormone dynamics of the medicine.
The study primary endpoint is the suppression rate of serum testosterone to castrate level. The study primary endpoint for the premenopausal breast cancer is the suppression rate of serum estradiol to menopausal level.
Leuplin 6 month Depot has been approved in the US and Europe. In the US, it has been approved for the treatment of endometriosis and uterine leiomyomata. In the US.
In Japan, Leuplin 1 month and 3 month formulations have been approved and marketed.
Leuplin is a long-acting GnRH analog.