Boehringer May Seek Interchangeable Designation for Adalimumab Biosimilar

The US Food and Drug Administration (FDA) announced earlier this year its draft standards for assessing the interchangeability of biosimilars with originator products. One biosimilar developer announced on July 27 that it is embarking on a study specifically to prove interchangeability of its biosimilar version of adalimumab.

Initial recruitment of the “VOLTAIRE-X Pharmacokinetics, Safety, Immunogenicity and Efficacy of BI 695501 Versus Humira® in Patients With Moderate to Severe Chronic Plaque Psoriasis: A Randomized, Double-Blind, Parallel-Arm, Multiple-Dose, Active Comparator Trial” was announced by Boehringer Ingelheim to provide evidence that its investigational biosimilar BI 695501 can be substituted for Humira without significant negative clinical or safety effects. The study will incorporate repeated switching between the originator and the biosimilar agent in 240 patients with plaque psoriasis.

Boehringer’s 351(k) application for BI 695501 was sent to FDA in January 2017. A decision is expected in the fourth quarter. The clinical studies supporting BI 695501 were conducted in patients with rheumatoid arthritis; another is underway in patients with active Crohn’s disease. The VOLTAIRE-X interchange study will not be completed until July 2019; therefore, any FDA decision regarding interchangeability on this biosimilar will be made at least 2 years from now.

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