Regeneron Pharmaceuticals, Inc. REGN

The deal carries a $1 billion upfront payment and tasks the two companies to develop long-acting antibody drugs that go after the same targets as their blockbuster anti-inflammation agent.

LGSOC is a biologically distinct variant of ovarian cancer, with limited treatment options, that is generally less responsive to conventional chemotherapy Results presented in a late-breaking plenary session at IGCS demonstrated a 73% objective response rate and 11-month median progression-free survival in 11 patients with recurrent and heavily pre-treated LGSOC treated with the highest dose of ubamatamab in the trial Regeneron has been enrolling a dedicated LGSOC cohort at this dose and will ad

In a predefined MRI substudy, trevogrumab prevented 70% of muscle loss associated with semaglutide treatment A pre-specified subgroup analysis found that patients meeting the low lean mass definition for sarcopenia had greater loss of lean mass with semaglutide, and more preservation with trevogrumab Findings were presented at the European Association for the Study of Diabetes (EASD) Annual Meeting and is in press with The Lancet TARRYTOWN, N.Y., Oct. 01, 2026 (GLOBE NEWSWIRE) -- Regeneron Pharm

Regeneron Pharmaceuticals (NASDAQ:REGN) and Sanofi said they are expanding their long-running collaboration to develop and commercialize next-generation medicines for type 2 inflammatory diseases, adding four Regeneron-originated antibody programs and establishing a new equal-sharing economic framew

The companies will share development and commercialization costs as well as potential future profits from the new drugs, they said.

Regeneron and Sanofi (NASDAQ:SNY) announced an expanded collaboration focused on developing next-generation medicines for type 2 inflammatory diseases, extending an alliance that has produced the blockbuster therapy DUPIXENT. Under the agreement, Regeneron will contribute four long-acting, fully hu

The agreement will see Sanofi and Regeneron co-develop and co-commercialise four long-lasting antibodies.

Sanofi and Regeneron are broadening their immunology pipeline while keeping their existing Dupixent economics intact.

Investing.com -- Shares of Sanofi jumped as much as 3.6% on Thursday before paring gains to trade 1.1% higher after the French drugmaker agreed to pay Regeneron $1 billion upfront and up to $7 billion in additional payments to expand their partnership on four long-acting medicines for inflammatory diseases.

Sanofi and Regeneron expand global Alliance with multiple next-generation, long-acting immunology antibodies REGN20423, a clinical-stage long-acting IL-13 monoclonal antibody invented and developed by Regeneron, is added to the Alliance, along with a long-acting IL-4xIL-13 bispecific and two other long-acting pre-clinical antibodies from RegeneronRegeneron to receive $1 billion upfront, with potential for up to an additional $7 billion in future milestone payments; companies to equally share dev

REGN20423, a clinical-stage long-acting IL-13 monoclonal antibody invented and developed by Regeneron, is added to the alliance, along with a long-acting IL-4xIL-13 bispecific and two other long-acting preclinical antibodies from Regeneron Regeneron to receive $1 billion upfront with potential for up to an additional $7 billion in future milestone payments; companies to equally share development and commercialization costs, as well as any future profits Regeneron and Sanofi to host a conference

Shares of biotechnology company Moderna (NASDAQ:MRNA) fell 6% in the morning session after Citigroup downgraded the company to Sell from Neutral, warning that a 222% rally had pushed its valuation to unsustainable levels.

Citi analyst says Moderna stock could crash as much as 60% from here. Here’s why he issued a bearish note on MRNA shares today.