Affimed NV AFMD, +10.77% shares were halted late Monday after the biotech drug developer put two clinical trials on hold after one study participant died. Affimed shares, which had gained 1.3% in the extended session, were halted after hours, following an 11% gain to close at $4.63 Monday. The company halted two Phase 1, or early-stage, clinical stage for its cancer treatment AFM11 after one patient died and two others experienced “life-threatening events” in the high-dose group. Phase 1 studies are used to gauge the safety of an experimental drug. The studies were testing the drug in patients with types of non-Hodgkin lymphoma and acute lymphoblastic leukemia.
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