Ipsen Withdraws Tazverik from Market Due to Secondary Malignancy Safety Concerns on March 11, 2026 Drug withdrawal syndrome EZH2 protein, human Hematologic Neoplasms Inhibitor Ipsen Lymphoma, Follicular Sarcoma, Epithelioid SYMPHONY-1 trial tazemetostat Tazverik +
Ipsen Withdraws Cancer Drug Tazverik from Market Due to Secondary Blood Cancer Risks on March 09, 2026 Antineoplastic Agents Ipsen Risk Safety secondary blood cancers SYMPHONY-1 trial tazemetostat Tazverik Withdraw (activity) +