SOUTH SAN FRANCISCO, Calif., Jan. 18, 2023 /PRNewswire/ -- Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL) today announced that REZLIDHIA™ (olutasidenib) has been added by the National Comprehensive Cancer Network® (NCCN®) to the latest NCCN Clinical Practice Guidelines in Oncology (NCCN...