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Arrowhead Shares Rise After Alzheimer’s Drug Trial Data
Arrowhead Pharmaceuticals said early-stage data for ARO-MAPT led it to declare initial clinical validation of its TRiM delivery platform.

Arrowhead Pharmaceuticals shares gained more than 4% in premarket trading Wednesday, Oct. 14, after the company declared initial clinical validation of its TRiM delivery platform based on early-stage trial data for its experimental Alzheimer’s therapy, ARO-MAPT.
ARO-MAPT is an RNA interference therapy. Arrowhead’s validation statement reflects the company’s assessment of the trial data.