Ropes & Gray Advised Pfizer in Connection with CellCentric’s $220 million Series D Funding

In The News
May 11, 2026

Ropes & Gray advised Pfizer in connection with their participation in CellCentric’s $220 million oversubscribed Series D funding round to advance inobrodib, a first-in-class oral p300/CBP inhibitor for the treatment of multiple myeloma. The completion of the round was announced on May 6.

CellCentric is a privately held biotechnology company advancing inobrodib. Inobrodib is in registration-enabling clinical trials for patients with relapsed/refractory multiple myeloma, with additional indications under consideration. CellCentric is supported by a robust IP portfolio and external validation through clinical collaborations and strategic partnerships. Founded in Cambridge, UK, the company operates as a transatlantic business with offices in Boston. 

Ropes & Gray also advised Pfizer on its $25 million strategic investment in CellCentric in 2023.

The team was led by emerging companies & venture capital partner Brad Flint, counsel David Dowling, and associates Velyana Borisova and Iain Fox, and included tax partner David Saltzman and litigation & enforcement partner Lisa Kaltenbrunner.