Making Better Dose Decisions: Using Exposure-Response Modeling to Integrate Efficacy Outcome of Two Phase 2b Clinical Trials of Ubrogepant for Migraine Treatment.

07:00 EST 23rd November 2019 | BioPortfolio

Summary of "Making Better Dose Decisions: Using Exposure-Response Modeling to Integrate Efficacy Outcome of Two Phase 2b Clinical Trials of Ubrogepant for Migraine Treatment."

Ubrogepant (MK-1602) is a novel, oral, calcitonin gene-related peptide receptor antagonist in clinical development with positive Phase III outcomes for acute treatment of migraine. This paper describes the population exposure-response (E-R) modeling and simulations which were used to inform the Phase III dose-selection rationale, based on approximately 800 participants pooled across two Phase IIb randomized dose-finding clinical trials. The E-R model describes the placebo and ubrogepant treatment effects based on migraine pain endpoints (2-hour pain relief and 2-hour pain freedom) at various dose levels. Sensitivity analyses were conducted to evaluate various assumptions of placebo response in light of the high placebo response observed in one Phase II trial. A population PK model describing the effect of formulations was included in the E-R simulation framework to assess potential dose implications of a formulation switch from Phase II to Phase III. Model-based simulations predict that a dose of 25 mg or higher is likely to achieve significantly better efficacy than placebo with desirable efficacy levels. The understanding of E-R helped support the dose selection for the Phase III clinical trials.


Journal Details

This article was published in the following journal.

Name: Clinical and translational science
ISSN: 1752-8062


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