Vertex Pharmaceuticals (MA) Submits Supplemental New Drug Application (sNDA) to FDA for KALYDECO (ivacaftor) Monotherapy for People With Non-G551D Gating Mutations
Published: Sep 30, 2013
CAMBRIDGE, Mass.--(BUSINESS WIRE)--Vertex Pharmaceuticals Incorporated (Nasdaq:VRTX) today announced the submission of a supplemental New Drug Application (sNDA) to the U.S. Food and Drug Administration (FDA) for the approval of KALYDECOTM (ivacaftor) monotherapy for people with cystic fibrosis (CF) ages 6 and older who have at least one non-G551D gating mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. KALYDECO is currently approved for people with CF ages 6 and older who have at least one copy of the G551D mutation. CF is caused by a defective CFTR protein that results from mutations in the CFTR gene. G551D is known as a gating mutation, and there are an additional nine known gating mutations. Gating mutations prevent the CFTR protein from opening or working (gating) properly at the cell surface. Worldwide, approximately 2,000 people with CF ages 6 and older have at least one copy of the G551D mutation, and approximately 400 people with CF ages 6 and older have at least one non-G551D gating mutation.
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