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FDA OK’s virus antibody test to determine Beqvez eligibility

The U.S. Food and Drug Administration (FDA) has approved Labcorp’s companion diagnostic test for detecting preexisting antibodies against the viral carrier that’s used in Beqvez (fidanacogene elaparvovec-dzkt), Pfizer’s recently approved gene therapy for hemophilia B. A negative result on an FDA-cleared test is needed to be eligible…