BioCryst Pharmaceuticals Inc (NASDAQ:BCRX) announced new long-term efficacy and safety data from the APeX-2 trial evaluating Orladeyo (berotralstat) for the prophylactic treatment of hereditary angioedema (HAE).

• The results showed sustained reductions in attack rates and improved quality of life (QoL) among patients living with HAE, regardless of their baseline attack rates and initial responses to Orladeyo.
• The analysis stratified all 21 patients by their initial reduction in HAE attack rate from baseline to Week 24 in three groups - Group A (<50 percent attack rate reduction; n=4), Group B (≥50 percent attack rate reduction; n=17), and Group C (≥70 percent attack rate reduction; n=14). 
• Related: BioCryst Shares Gain As Royalty Pharma Buys Additional Interests In BCX9930, Orladeyo.
• A sustained reduction in HAE attack rates was observed from baseline to Week 96 across all three groups of patients. 
• Group A had a mean decrease of 2.3 attacks/month, Group B had a mean decline of 2.5 attacks/month, and Group C had a mean reduction of 2.6 attacks/month.
• At Week 96, median attack rates were 0.0 regardless of baseline attack rate.
• Price Action: BCRX shares are down 2.77% at $16.24 during the market session on the last check Thursday.