Merck KGaA: Stimuvax Clinical Program Temporarily Suspended
Merck KGaA announced that it has temporarily suspended the clinical program for Stimuvax® (BLP25 liposome vaccine) in all recruiting studies worldwide as a result of a suspected unexpected serious adverse reaction (SUSAR). This decision was taken in alignment with the U.S. Food and Drug Administration’s (FDA) clinical hold placed on the Investigational New Drug (IND) application for Stimuvax.
A patient participating in a Phase II exploratory clinical trial with the therapeutic cancer vaccine in patients with multiple myeloma developed encephalitis. The patient was randomized to an experimental arm of Stimuvax in combination with an intensified schedule of low-dose cyclophosphamide, which is not used in the other Stimuvax studies.
Effective immediately, the company has temporarily suspended recruitment into and treatment of patients already enrolled into the recruiting Stimuvax clinical trials. This action is a precautionary measure while the company is diligently investigating the cause of this adverse event.
The Phase III clinical program, consisting of the non-small cell lung cancer (NSCLC) studies START and INSPIRE and the breast cancer study STRIDE, is impacted as well as the other recruiting studies.
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