Arcellx (ACLX) said Sunday preliminary data from a phase 2 trial of anitocabtagene autoleucel in patients with relapsed or refractory multiple myeloma demonstrated a 97% overall response rate.
Results from the trial at median follow-up of 9.5 months also showed a complete response/stringent complete response rate of 62% with no delayed neurotoxicities, the company said.
Meanwhile, the median progression-free survival and overall survival were not reached, Arcellx said, adding that three deaths "occurred due to treatment-emergent adverse events."
Multiple myeloma is a type of hematological cancer that can cause bone lesions, loss of bone density and bone fractures, the company said.
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