Halozyme Therapeutics, Inc. (NASDAQ: HALO) (Halozyme) today announced that Johnson & Johnson has received approval from the U.S. Food and Drug Administration (FDA) for TECVAYLI® (teclistamab-cqyv) in combination with DARZALEX FASPRO® (daratumumab and hyaluronidase-fihj) for the treatment of adults with relapsed or refractory multiple myeloma (RRMM) who have received at least one prior line of therapy.