Sage Therapeutics Discontinues Parkinson's Drug Following Mid-Stage Trial Failure

Sage Therapeutics Discontinues Parkinson's Drug Following Mid-Stage Trial Failure

Sage Therapeutics has announced the discontinuation of its experimental drug, dalzanemdor, intended for the treatment of Parkinson's disease, after it failed to meet the primary goal in a mid-stage study. The drug, also known as SAGE-718, did not demonstrate a statistically significant difference in the Wechsler Adult Intelligence Scale Fourth Edition-IV (WAIS-IV) Coding Test score compared to placebo among patients with mild cognitive impairment due to Parkinson's disease.

Following the announcement, Sage Therapeutics' shares experienced a significant drop. Reports indicated variations in the percentage decrease, with some stating a 36% decline while others cited a 19% fall in premarket trading.

The company, which had previously faced a setback with the U.S. health regulator's rejection of its drug Zurzuvae for clinical depression, had already reduced its workforce by approximately 40%, equating to about 188 employees. Despite the termination of dalzanemdor for Parkinson's treatment, Sage Therapeutics is continuing to explore the drug's potential for other cognitive impairment diseases, including Alzheimer's and Huntington's disease, with topline data from Phase 2 studies expected later in the year.

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