CHARLESTON, S.C.--(BUSINESS WIRE)--Aeterna Zentaris Inc. (NASDAQ: AEZS) (TSX: AEZ) (the “Company”) today announced that the confirmatory Phase 3 clinical trial of Macrilen™ (macimorelin) failed to achieve its objective of validating a single oral dose of macimorelin for the evaluation of growth hormone deficiency in adults (“AGHD”), using the insulin tolerance test (the “ITT”) as a comparator. The Company is evaluating the outcome of the trial and will determine in the near future whether it will continue with the development of Macrilen™.
Dr. Richard Sachse, the Company’s Chief Scientific Officer, stated, “We are, of course, very disappointed about the outcome of the trial. Based on an analysis of top-line data, macimorelin did not achieve equivalence to the ITT as a means of diagnosing AGHD. Under the study protocol, the evaluation of AGHD with Macrilen™ would be considered successful, if the lower bound of the two-sided 95% confidence interval for the primary efficacy variables was 75% or higher for “percent negative agreement” with the ITT, and 70% or higher for the “percent positive agreement” with the ITT. While the estimated percent negative agreement met the success criteria, the estimated percent positive agreement did not reach the criteria for a successful outcome. Therefore, the results did not meet the pre-defined equivalence criteria which required success for both the percent negative agreement and the percent positive agreement. After a thorough internal review and understanding of this data, the Company will decide upon the appropriate future course of action with respect to macimorelin.”
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