RESEARCH TRIANGLE PARK - BioCryst Pharmaceuticals, Inc. (Nasdaq: BCRX) today announced that the Ministry of Health, Labor and Welfare (MHLW) in Japan has granted marketing and manufacturing approval for oral, once-daily ORLADEYO (berotralstat) 150 mg for prophylactic treatment of hereditary angioedema (HAE) in adults and pediatric patients 12 years and older.

ORLADEYO is the first and only prophylactic HAE medication approved in Japan. One capsule of ORLADEYO per day works to prevent HAE attacks by decreasing the activity of plasma kallikrein.

ORLADEYO will be commercialized in Japan by BioCryst's partner, Torii Pharmaceutical Co., Ltd. OrphanPacific, Inc. is BioCryst's representative partner in Japan and holds the marketing authorization.

Torii will launch ORLADEYO in Japan following the successful completion of BioCryst's pricing negotiations with the Japanese National Health Insurance System (NHI).

'Until now, HAE patients in Japan had no therapies approved to prevent attacks, so the approval of ORLADEYO marks a significant advance in HAE treatment,' said Goichi Matsuda, president of Torii. 'We are pleased to have the opportunity to bring the first oral treatment option to Japanese HAE patients and are actively preparing for the commercialization.'

'Today's approval of ORLADEYO in Japan represents important progress towards our goal to bring an oral, once-daily treatment to HAE patients around the world,' said Jon Stonehouse, president and chief executive officer of BioCryst. 'Thank you to the HAE patients who participated in our APeX-J trial, to the investigators who conducted it, and to Torii and OrphanPacific for their partnership to achieve this milestone to offer a much-needed new treatment option to HAE patients and physicians in Japan.'

BioCryst received Orphan Drug and Sakigake designation for ORLADEYO in Japan and the approval is based on data from the APeX-J and APeX-2 clinical trials. The APeX-J trial in Japan met its primary endpoint (p=0.003) of a reduction in HAE attacks from baseline for ORLADEYO 150 mg compared to placebo, and ORLADEYO was safe and generally well-tolerated in the trial. In APeX-2, ORLADEYO also met its primary endpoint (p

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