RedHill Biopharma Extends Option Agreement for Phase II-Stage Pancreatic Cancer Drug RP101
RedHill Biopharma Extends Option Agreement for Phase II-Stage Pancreatic Cancer Drug RP101
- RedHill has extended the term of the exclusive option agreement for the oncology drug candidate RP101 for an additional year
- RP101 is a proprietary, first-in-class, orally-administered, heat shock protein 27 (Hsp27) inhibitor intended to prevent the induction of resistance to chemotherapy (chemoresistance) to potentially enhance patient survival
- RP101 has been studied in several Phase I and Phase II clinical studies and was granted Orphan Drug designation for the adjunct treatment of pancreatic cancer by the U.S. FDA and the European Medicines Agency (EMA)
- To support existing clinical data and to assess the clinical development path, RedHill recently commenced a preclinical development program with RP101
TEL-AVIV, Israel, July 15, 2015 RedHill Biopharma Ltd. (NASDAQ/TASE: RDHL) (“RedHill” or the “Company”), an Israeli biopharmaceutical company focused on late clinical-stage, proprietary, orally-administered, small molecule drugs for inflammatory and gastrointestinal diseases, including gastrointestinal cancers, today reported that it has elected to extend its August 2014 exclusive option agreement with RESprotect GmbH, a privately-held German-based biotech company for the acquisition of the oncology drug candidate RP101.
RP101 is a proprietary, first-in-class, orally-administered, heat shock protein 27 (Hsp27) inhibitor intended to prevent the induction of resistance to chemotherapy (chemoresistance), thus maintaining sensitivity of the tumor to chemotherapy and potentially enhancing patient survival. RP101 has completed several clinical studies, including a Phase II study in pancreatic cancer and has been granted Orphan Drug designation for the adjunct treatment of pancreatic cancer by the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA).
Under the terms of the binding exclusive option agreement with RESprotect GmbH, RedHill has the option to acquire the worldwide exclusive rights to RP101 for all indications, other than for the pancreatic cancer indication in South Korea. If RedHill elects to exercise this option, it will acquire the exclusive rights to RP101 for a total payment of $100,000, for both the exercise option and the acquisition of the rights, as well as potential milestone payments and tiered royalties on net revenues, ranging from single digits to mid-teens. RedHill has agreed to pay $25,000 for a one-year extension of the option agreement.
RedHill recently commenced a preclinical development program for RP101 to examine the efficacy of the drug candidate in various tumor models. The preclinical program is intended to support the existing clinical data and to assess a potential clinical development path for RP101.
RP101 is a nucleoside analogue found by Prof. Rudolf Fahrig at the Fraunhofer Institute for Toxicology and Experimental Medicine (ITEM) in Hannover, Germany, to inhibit development of chemoresistance in various cancer models. It is an orally-administered, patent-protected small molecule which binds to heat shock protein 27 (Hsp27) and inhibits its multidrug-resistance gene amplification activity. Hsp27 is a chaperone protein which is found in abnormally high levels in cancer cells. The overexpression of Hsp27, which results in the amplification of a multidrug-resistance (MDR) gene, has been linked to tumor resistance to cytotoxic drugs and the development of metastasis. By inhibiting Hsp27, RP101 may prevent the induction of resistance to chemotherapy (chemoresistance) and maintain sensitivity of tumors to chemotherapy, thus potentially enhancing patient survival. RP101 has been studied in several Phase I and Phase II clinical studies with a total of 249 subjects treated, including a Phase II study in pancreatic cancer. RP101 has been granted Orphan Drug designation for the adjunct treatment of pancreatic cancer by the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA).
About RedHill Biopharma Ltd.:
RedHill Biopharma Ltd. (NASDAQ/TASE: RDHL) is an emerging Israeli biopharmaceutical company focused on the development of late clinical-stage, proprietary, orally-administered, small molecule drugs for the treatment of inflammatory and gastrointestinal diseases, including gastrointestinal cancers. RedHill’s current pipeline of proprietary products includes: (i) RHB-105 - an oral combination therapy for the treatment of Helicobacter pylori infection with successful top-line results from a first Phase III study; (ii) RHB-104 - an oral combination therapy for the treatment of Crohn's disease with an ongoing first Phase III study; (iii) BEKINDA™ (RHB-102) - a once-daily oral pill formulation of ondansetron with an ongoing Phase III study in the U.S. for acute gastroenteritis and gastritis and a European marketing application for chemotherapy and radiotherapy-induced nausea and vomiting submitted in December 2014; (iv) RHB-106 - an encapsulated formulation for bowel preparation licensed to Salix Pharmaceuticals, Ltd.; (v) ABC294640 - an orally-administered SK2 selective inhibitor targeting multiple inflammatory-GI diseases and related oncology indications with a first Phase I/II initiated for refractory/relapsed diffuse large B-cell lymphoma (DLBCL); (vi) MESUPRON® - a Phase II-stage uPA inhibitor, administered by oral capsule, targeting gastrointestinal and other solid tumor cancers; (vii) RP101 - currently subject to an option-to-acquire by RedHill, RP101 is a Phase II-stage Hsp27 inhibitor, administered by oral tablet, targeting pancreatic and other gastrointestinal cancers; (viii) RIZAPORT™ (RHB-103) - an oral thin film formulation of rizatriptan for acute migraines with a U.S. NDA currently under discussions with the FDA and a European marketing application submitted in October 2014; and (ix) RHB-101 - a once-daily oral pill formulation of the cardio drug carvedilol.
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