Crofelemer is a first-in-class anti-diarrheal botanical drug substance. Crofelemer has minimal absorption and no effect on gut motility. Crofelemer’s mechanism of action is through inhibition of both the cystic fibrosis transmembrane conductance regulator protein (CFTR) chloride ion channel and the calcium-activated chloride ion channels (CaCC). Crofelemer acts by blocking chloride ion channel secretion and accompanying high volume water loss in diarrhea, normalizing the flow of chloride ions and water in the GI tract.
About Diarrhea in HIV/AIDS Patients
Diarrhea remains a common problem for patients with HIV/AIDS that often negatively impacts their quality of life and can lead to discontinuation or premature switching of anti-retroviral therapy (ART) regimens. Approximately 1.2 million people in the United States are living with HIV/AIDS and ~40% of those patients suffer from either episodic or chronic diarrhea. This condition can not only significantly reduce quality of life, but also result in weight loss, depression, reduced social interaction, and often increase direct and indirect healthcare costs.About Salix Pharmaceuticals Salix Pharmaceuticals, Ltd., headquartered in Raleigh, North Carolina, develops and markets prescription products for the prevention and treatment of gastrointestinal diseases. Salix’s strategy is to in-license late-stage or marketed proprietary therapeutic products, complete any required development and regulatory submission and market them through the Company’s gastroenterology specialty sales and marketing team. Salix markets XIFAXAN ® (rifaximin) tablets 200 mg and 550 mg, MOVIPREP ® (PEG 3350, Sodium Sulfate, Sodium Chloride, Potassium Chloride, Sodium Ascorbate and Ascorbic Acid for Oral Solution), OSMOPREP ® (sodium phosphate monobasic monohydrate, USP and sodium phosphate dibasic anhydrous, USP) Tablets, APRISO ® (mesalamine) extended-release capsules 0.375 g, METOZOLV ® ODT (metoclopramide HCl), RELISTOR ® (methylnaltrexone bromide) Subcutaneous Injection, SOLESTA ®, DEFLUX ®, PEPCID ® (famotidine) for Oral Suspension, Oral Suspension DIURIL ® (Chlorothiazide), AZASAN ® (Azathioprine) Tablets, USP, 75/100 mg, ANUSOL-HC ® 2.5% (Hydrocortisone Cream, USP), ANUSOL-HC ® 25 mg Suppository (Hydrocortisone Acetate), PROCTOCORT ® Cream (Hydrocortisone Cream, USP) 1% and PROCTOCORT ® Suppository (Hydrocortisone Acetate Rectal Suppositories) 30 mg. Crofelemer, budesonide foam, RELISTOR ® , Lumacan ® and rifaximin for additional indications are under development. For full prescribing information and important safety information on Salix products, including BOXED WARNINGS for OSMOPREP, AZASAN and METOZOLV, please visit www.salix.com where the Company promptly posts press releases, SEC filings and other important information or contact the Company at 919 862-1000. Salix trades on the NASDAQ Global Select Market under the ticker symbol “SLXP”.
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