22.04.2022 • News

Regeneron Boosts Oncology Pipeline with Checkmate Buy

US biotech Regeneron is buying compatriot clinical-stage biopharma Checkmate Pharmaceuticals for a total equity value of about $250 million. The acquisition, expected to close in mid-2022, will boost Regeneron’s portfolio of diverse and combinable immuno-oncology candidates.

Checkmate’s lead investigational drug is vidutolimod, which is believed to stimulate the immune system to fight tumors. An agonist of protein Toll-like receptor 9, vidutolimod is administered as a virus-like particle into tumors, where it is thought to induce and expand anti-tumor T cells. 

The therapy has demonstrated clinical responses in PD-1 refractory melanoma as a monotherapy. It is also undergoing Phase 1 trials in combination with other agents for treating melanoma and non-melanoma skin cancers, and head and neck cancer.

"As we continue to advance and expand our research efforts in immuno-oncology, the acquisition of Checkmate will add a promising new modality to Regeneron's toolkit of potential approaches for difficult-to-treat cancers," said Regeneron president and CEO Leonard Schleifer. "The unique combination of a differentiated Toll-like receptor 9 with other antibody-based oncology agents may result in increased clinical benefit and provide new treatment options for patients in need.”

Checkmate’s founder and chief scientific officer Art Krieg added: "We believe that the data we have generated with vidutolimod positions Checkmate at the forefront of the innate immune activator field. It is our hope that Regeneron's resources and expertise will help accelerate the development of vidutolimod and realization of the full potential of our virus-like particle (VLP) platform for immunotherapy.”

In March, Checkmate appointed Bristol Myers Squibb veteran Alan Bash as CEO. Bash had served more than 22 years at Bristol Myers Squibb, where he was latterly senior vice president, commercial model innovation.

Author: Elaine Burridge, Freelance Journalist

Photo by Cytonn Photography
Photo by Cytonn Photography

Interview

The UK Chemical Supply Chain
Trade and Competitiveness

The UK Chemical Supply Chain

The CBA, led by CEO Tim Doggett, is steering the UK chemical supply chain through trade uncertainty, sustainability pressures and logistics challenges, as he explains in this interview with CHEManager.

Free Virtual Event

Batteries and Hydrogen: Competitors or Partners?
CHEManager Spotlight

Batteries and Hydrogen: Competitors or Partners?

17 September 2026 | Reserve your spot to learn where solid-state batteries and green hydrogen are headed—and how leading teams are turning them into scalable energy storage solutions.

most read