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U.S. Department of Health and Human Services

Search Orphan Drug Designations and Approvals
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Generic Name: ARQ 531, a reversible non-covalent ATP competitive inhibitor of BTK
Date Designated: 12/07/2020
Orphan Designation: Treatment of chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL)
Orphan Designation Status: Designated
FDA Orphan Approval Status: Not FDA Approved for Orphan Indication
ArQule, Inc., a wholly owned subsidiary of Merck Sharp & Dohme, LLC
126 East Lincoln Ave
P.O. Box 2000
Rahway, New Jersey 07065
United States

The sponsor address listed is the last reported by the sponsor to OOPD.
*Exclusivity Protected Indications are shown for approvals from 01/01/2013 to the present.
*Data for the Date Designation Withdrawn or Revoked field are shown for designations withdrawn or revoked after 08/12/2013.
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