CARY, N.C., Dec. 19, 2022Biologics by McKesson, an independent specialty pharmacy specializing in oncology and rare disease areas, has been selected by Rigel Pharmaceuticals as one of two specialty pharmacies in a limited distribution network for REZLIDHIATM (olutasidenib), which is indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible IDH1 mutation as detected by an FDA-approved test.

REZLIDHIA, approved by the U.S. Food and Drug Administration (FDA) on December 1, 2022, is an orally administered drug. It showed durable remission in treatment-naïve and relapsed or refractory AML patients. REZLIDHIA was well tolerated and associated with improvements in clinical efficacy endpoints in patients with mIDH1 AML.

“We are honored to be chosen as one of the specialty pharmacies by Rigel for advanced treatment of acute myeloid leukemia,” said Ela Lourido, vice president of Biopharma Services for Biologics. “We are proud to provide this new treatment, giving patients more options.”

Biologics specialty pharmacy is committed to and recognized for its level of customer service as well as its innovative, high-touch and multidisciplinary patient-centric approach. Each team includes pharmacists with in-depth knowledge of therapies, experienced nurses, and financial counselors who are familiar with various financial assistance programs and organizations that help patients. This deeply skilled care team works together to develop individualized care plans that address each patient’s unique clinical, financial, and emotional needs and streamlines communication back to the treating provider, enabling high-quality care and differentiated outcomes.

REZLIDHIA is a trademark of Rigel Pharmaceuticals, Inc.



REZLIDHIA is indicated for the treatment of adult patients with relapsed or refractory acute myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test. Click here for Full Prescribing Information, including Boxed WARNING. To report side effects of prescription drugs to the FDA, visit or call 1-800-FDA-1088 (800-332-1088).

About Biologics by McKesson

Biologics by McKesson is an independent specialty pharmacy with more than 25 years of experience connecting patients to life-changing medications in oncology and other rare and complex therapeutic areas. Built on the foundation of deep clinical expertise and a high-touch approach to patient care, Biologics delivers seamless access and personalized engagement, so patients get the most out of the care they receive. As a business within McKesson Corporation, Biologics harnesses unparalleled reach and connectivity across the healthcare system to connect the dots between payers, providers, and biopharma, so together, they can deliver better care and outcomes for every patient.

About Rigel

Rigel Pharmaceuticals, Inc. (Nasdaq: RIGL) is a biotechnology company dedicated to discovering, developing, and providing novel small molecule drugs that significantly improve the lives of patients with hematologic disorders, cancer, and rare immune diseases.  Founded in 1996, Rigel is based in South San Francisco, California. For more information on Rigel, the Company’s marketed products and pipeline of potential products, visit