NEW YORK, Oct. 07, 2021 (GLOBE NEWSWIRE) — Y-mAbs Therapeutics, Inc. (“Y-mAbs” or the “Company”) (NASDAQ: YMAB), a commercial-stage biopharmaceutical company focused on the development and commercialization of novel, antibody-based therapeutic products for the treatment of cancer, today announced that the U.S. Food and Drug Administration (“FDA”) has granted Rare Pediatric Disease Designation (“RPDD”) for the Company’s lutetium labelled omburtamab antibody program for the treatment of medulloblastoma.