Kenilworth-based Merck announces it will acquire San Diego-based VelosBio Inc. for $2.75 billion in cash. VelosBio is a privately held clinical-stage biopharmaceutical company committed to developing first-in-class cancer therapies targeting receptor tyrosine kinase-like orphan receptor 1 (ROR1).
VelosBio’s lead investigational candidate is VLS-101, an antibody-drug conjugate (ADC) targeting ROR1 that is currently being evaluated in a Phase 1 and a Phase 2 clinical trial for the treatment of patients with hematologic malignancies and solid tumors, respectively.
“At Merck, we continue to bolster our growing oncology pipeline with strategic acquisitions that both complement our current portfolio and strengthen our long-term growth potential,” said Dr. Roger M. Perlmutter, president, Merck Research Laboratories. “Pioneering work by VelosBio scientists has yielded VLS-101, which in early studies has provided notable evidence of activity in heavily pretreated patients with refractory hematological malignancies, including mantel cell lymphoma and diffuse large B-cell lymphoma.”
In October 2020, VelosBio announced the initiation of a Phase 2 clinical trial (NCT04504916) to evaluate VLS-101 for the treatment of patients with solid tumors, including patients with triple-negative breast cancer (TNBC), hormone receptor-positive and/or HER2-positive breast cancer, and non-squamous non-small-cell lung cancer (NSCLC).
In early clinical trials, VLS-101 demonstrated a manageable safety profile and early signs of anti-tumor activity. Results of a Phase 1 clinical trial, to be presented virtually at the 62nd American Society of Hematology Annual Meeting (Dec. 5-8, 2020), showed that VLS-101 resulted in objective clinical responses, including complete responses, in 47% (n=7/15) of patients with mantle cell lymphoma (MCL) and 80% (n=4/5) of patients with diffuse large B-cell lymphoma.
Patients in this Phase 1 trial had been heavily pretreated with other anticancer medications, and their cancers had failed to respond or had relapsed after initially responding to these other anticancer medications. In addition, VelosBio is developing a preclinical pipeline of next-generation ADCs and bispecific antibodies targeting ROR1 with the potential to complement VLS-101 by offering alternative methods of tumor cell killing.
“Merck is a recognized leader in oncology, and this acquisition reflects the hard work and commitment of all the employees at VelosBio in advancing the science of ROR1,” said Dave Johnson, founder and chief executive officer at VelosBio. “We are very pleased that Merck has recognized the value of our first-in-class ROR1-directed investigational therapeutics. As part of Merck’s oncology pipeline, our lead product candidate, VLS-101, is now well positioned to achieve its maximum potential to benefit appropriate cancer patients in need.”
The closing of the transaction, which is subject to approval under the Hart-Scott-Rodino Antitrust Improvements Act and other customary conditions, is expected by the end of 2020.
Merck was represented by Gibson Dunn & Crutcher LLP as legal advisor and J.P. Morgan Securities LLC as financial advisor. VelosBio was represented by Cooley LLP as legal advisor and Centerview Partners LLC as financial advisor.
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