Gilead Sciences, Inc. and CymaBay Therapeutics, Inc. announced a definitive agreement under which Gilead will acquire CymaBay for $32.50 per share in cash or a total equity value of $4.3 billion.
“We are looking forward to advancing seladelpar by leveraging Gilead’s long-standing expertise in treating and curing liver diseases,” said Daniel O’Day, Chairman and Chief Executive Officer, Gilead Sciences. “Building on the strong research and development work by the CymaBay team to date, we have the potential to address a significant unmet need for people living with PBC and expand on our existing broad range of transformational therapies.”
PBC is a rare, chronic, cholestatic liver disease mainly affecting women (1 in 1,000 women over the age of 40 or about 130,000 total people in the U.S.) that impairs liver function and quality of life. The most common early symptoms of PBC are pruritus (itching) and fatigue, which can be debilitating for some patients. Progression of PBC is associated with an increased risk of liver-related mortality.
Seladelpar is an investigational, oral, selective peroxisome proliferator-activated receptor delta (PPARδ) agonist, shown to regulate critical metabolic and liver disease pathways. The United States Food and Drug Administration (FDA) has completed its filing review and accepted a New Drug Application for seladelpar and granted priority review with a Prescription Drug User Fee Act target action date of August 14, 2024.
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Seladelpar received FDA Breakthrough Therapy Designation for use in the treatment of PBC including pruritus in patients without cirrhosis or with compensated cirrhosis and PRIME status (EMA), as well as Orphan Drug Designation in the U.S. and Europe for the treatment of patients with PBC.
In the pivotal Phase 3 RESPONSE trial, seladelpar achieved statistical significance over placebo across primary composite endpoints of biochemical response (61.7% for patients on seladelpar vs 20.0% for placebo), normalization of alkaline phosphatase at 12 months (25.0% for patients on seladelpar vs 0.0% for placebo) and statistically significant improvement in pruritus at six months among people living with moderate-to-severe itch that was sustained through 12 months.
“Today’s agreement with Gilead is the culmination of years of focus and determination at CymaBay to advance seladelpar and bring new hope to people living with PBC and their families,” said Sujal Shah, President, and CEO at CymaBay Therapeutics. “Now that seladelpar has achieved priority review with the FDA, we are excited that Gilead, with its long-standing commitment to patients with liver disease, can apply its regulatory and commercial expertise to bring seladelpar as quickly as possible to people with PBC.”
SOURCE : BusinessWire