Synergy Pharmaceuticals Inc. (NASDAQ:SGYP) today announced that it has successfully completed an End-of-Phase 2 meeting with the U.S. Food and Drug Administration (FDA) on its lead drug plecanatide for the treatment of irritable bowel syndrome with constipation (IBS-C). Agreement was reached with the FDA for the plecanatide pivotal phase 3 IBS-C clinical development program that is scheduled to begin in the fourth quarter of this year.
“We are very pleased with the outcome of our meeting with the FDA and have a clear path forward to start the IBS-C registration program with plecanatide this year,” said Dr. Gary S. Jacob, Chairman and CEO of Synergy. “The pivotal phase 3 IBS-C trials will include both 3.0 mg and 6.0 mg plecanatide, which are consistent with the doses currently being evaluated in our phase 3 chronic idiopathic constipation (CIC) program. Plecanatide has demonstrated a clinical dose-response for efficacy with an excellent tolerability profile that is observed across trials. This is an important advantage as we look to bring two doses to market in both indications and provide physicians with options for addressing individual patient needs.”
Synergy’s pivotal phase 3 IBS-C clinical development program will consist of two registration trials, each including 1,050 patients who will receive either placebo, 3.0 mg or 6.0 mg plecanatide. IBS-C patients successfully completing either of the 12-week placebo-controlled registration trials will be offered enrollment into a long-term safety trial in order to complement and support the ongoing long-term safety database for the CIC indication.
About PlecanatidePlecanatide is Synergy’s lead uroguanylin analog in late-stage clinical development to treat patients with CIC and IBS-C. Uroguanylin is a natural gastrointestinal (GI) hormone produced by humans in the small intestine and plays a key role in regulating the normal functioning of the digestive tract through its activity on the guanylate cyclase-C (GC-C) receptor. The GC-C receptor is known to be a primary source for stimulating a variety of beneficial physiological responses. Orally administered plecanatide mimics uroguanylin's functions by binding to and activating the GC-C receptor to stimulate fluid and ion transit required for normal bowel function. Synergy has successfully completed a phase 2b trial of plecanatide in 951 patients with CIC and is currently enrolling patients in two pivotal phase 3 CIC trials. The company also recently announced positive top-line data results from a phase 2b dose-ranging study with plecanatide in patients with IBS-C.
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