RedHill Biopharma Ltd.
RedHill Biopharma Receives Additional U.S. Patent Covering RHB-105 Ahead of Confirmatory Phase III Study for H. pylori Infection
RedHill has received a Notice of Allowance for an additional U.S. patent covering RHB-105, expected to be valid until 2034 once granted
The planned confirmatory Phase III study with RHB-105 for the treatment ofH. pyloriinfection, if successful, is expected to support a U.S. New Drug Application (NDA)
The first Phase III study with RHB-105 successfully demonstrated 89.4% efficacy in eradicatingH. pyloriinfection (p<0.001), supporting the potential superior efficacy of rhb-105 over current standard-of-care (soc) therapies< span>0.001),>
RHB-105 was granted FDA QIDP designation under the GAIN Act, including Fast-Track development, NDA Priority Review and extended U.S. market exclusivity, for a total of eight years
H. pyloribacterial infection is estimated to affect half of the adult population worldwide and is a major cause of chronic gastritis, peptic ulcer disease, gastric cancer and mucosa-associated lymphoid tissue (MALT) lymphoma
- With increasing failure rates of SoC therapies due to antibiotic resistance, the 2015 global and U.S. market potential forH. pylorieradication therapies are estimated at approximately $4.83 billion and $1.45 billion, respectively
TEL-AVIV, Israel, July 21, 2016 (GLOBE NEWSWIRE) -- RedHill Biopharma Ltd. (NASDAQ:RDHL) (TASE:RDHL) (“RedHill” or the “Company”), a biopharmaceutical company primarily focused on development and commercialization of late clinical-stage, proprietary, orally-administered, small molecule drugs for inflammatory and gastrointestinal diseases and cancer, today announced that it has received a Notice of Allowance from the United States Patent and Trademark Office (USPTO) for a new patent covering RHB-105, a proprietary, fixed-dose, oral combination therapy for the eradication ofH. pyloriinfection.
The patent application, entitled“Pharmaceutical Compositions For The Treatment Of Helicobacter Pylori”expands RedHill’s patent portfolio covering RHB-105 and is expected to be valid until 2034, once granted. The Company is currently prosecuting additional U.S. and international patent applications covering RHB-105.
“The grant of this new patent is an important addition to RedHill’s expanding IP portfolio covering RHB-105. On top of its extensive patent estate, RHB-105 was granted FDA QIDP designation under the Gain Act, providing for a total of 8 years of U.S. market exclusivity,”saidDanielle Abramson, Ph.D., RedHill’s Director of Intellectual Property & Research.“We are making good progress with preparations for the confirmatory Phase III study with RHB-105 for eradication ofH. pylori, which follows the successful first Phase III study with RHB-105 and a positive meeting with the FDA regarding the path to marketing approval.”
H. pyloribacterial infection is a major cause of chronic gastritis, peptic ulcer disease, gastric cancer and mucosa-associated lymphoid tissue (MALT) lymphoma.H. pyloriinfection is estimated to affect half of the adult population worldwide. The growing resistance of theH. pyloribacteria to metronidazole and clarithromycin has resulted in increasing failure rates of current standard-of-care therapies (SoC) forH. pylorieradication, reaching an estimated 30%. Despite the strong unmet medical need, no new drug has been approved by the FDA for this indication in over a decade. The 2015 U.S. and global market potential forH. pylorieradication therapies, at current branded prices, were estimated at approximately $1.45 billion and $4.83 billion, respectively, and could potentially grow with increasing awareness of the health risks associated withH. pyloriinfection and the benefits of its eradication.
RedHill announced in April 2016 that it had concluded a positive Type B Meeting with the U.S. Food and Drug Administration (FDA) regarding the path to U.S. marketing approval of RHB-105 and the planned confirmatory Phase III study. As a result of the productive and supportive feedback received from the FDA, RedHill is preparing for a confirmatory Phase III randomized, double-blind, active comparator, two-arm clinical study, comparing RHB-105 against a high dose amoxicillin and omeprazole regimen.
Subject to a successful outcome, the confirmatory Phase III study, and the supportive PK program to be completed prior to its initiation, are expected to complete the clinical package required for a U.S. New Drug Application (NDA) for RHB-105.
RHB-105 was previously granted Qualifying Infectious Disease Product (QIDP) designation by the FDA, providing a Fast-Track development pathway, as well as NDA Priority Review status, potentially leading to a shorter NDA review time by the FDA, if filed. If approved, RHB-105 will also receive an additional five years of U.S. market exclusivity, in addition to the standard exclusivity period, for a total of 8 years of U.S. market exclusivity.
With RHB-105, RedHill is pursuing an indication of first-line treatment ofH. pyloriinfection, regardless of ulcer status, a significantly broader indication than current standard treatments forH. pylori,which are typically indicated only for patients with active or recent history of duodenal ulcer disease. If approved, RHB-105 may be the firstH. pylorieradication therapy to target this broader indication, which would significantly expand the potential patient population for this drug candidate.
RHB-105 is a new and proprietary fixed-dose oral combination therapy of two antibiotics and a proton pump inhibitor (PPI) in an all-in-one oral capsule with a planned indication for the treatment ofH. pyloriinfection.H. pyloribacterial infection is a major cause of chronic gastritis, peptic ulcer disease, gastric cancer and mucosa-associated lymphoid tissue (MALT) lymphoma. A first Phase III study with RHB-105 was completed in the U.S. with positive results (the ERADICATE Hp study). The study demonstrated an overall success rate of 89.4% in eradicatingH. pylori, and met its protocol-defined primary endpoint of superiority in eradication ofH. pyloriinfection over historical standard of care efficacy levels of 70%, with high statistical significance (p<0.001).A confirmatory Phase III study is planned to be initiated in the U.S. Additional studies may be required, subject to FDA feedback. RHB-105 has been granted Qualifying Infectious Disease Product (QIDP) designation by the FDA, providing a Fast-Track development pathway, as well as NDA Priority Review status, potentially leading to a shorter NDA review time by the FDA, if filed. If approved, RHB-105 will also receive an additional five years of exclusivity, in addition to the standard exclusivity period, for a total of 8 years of U.S. market exclusivity. 0.001)
About RedHill Biopharma Ltd.:
RedHill Biopharma Ltd. (NASDAQ:RDHL) (TASE:RDHL)is a biopharmaceutical company headquartered in Israel, primarily focused on the development and commercialization of late clinical-stage, proprietary, orally-administered, small molecule drugs for the treatment of inflammatory and gastrointestinal diseases and cancer. RedHill’s current pipeline of proprietary products includes: (i)RHB-105-an oral combination therapy for the treatment of Helicobacter pyloriinfection with successful 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 and an ongoing proof-of-concept Phase IIa study for multiple sclerosis; (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 an ongoing Phase II study for IBS-D; (iv)RHB-106-an encapsulated bowel preparation licensed to Salix Pharmaceuticals, Ltd.; (v)YELIVA™(ABC294640)–a Phase II-stage, orally-administered, first-in-class SK2 selective inhibitor targeting multiple oncology, inflammatory and gastrointestinal indications; (vi)MESUPRON®-a Phase II-stage first-in-class uPA inhibitor, administered by oral capsule, targeting gastrointestinal and other solid tumors; (vii)RP101-currently subject to an option-to-acquire by RedHill, RP101 is a Phase II-stage first-in-class 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 discussion with the FDA and marketing authorization received in Germany in October 2015; and (ix)RHB-101-a once-daily oral pill formulation of the cardio drug carvedilol.
1World Gastroenterology Organization Global Guidelines –Helicobacter pyloriin developing countries, August 2010.
2Malfertheiner P.et al.Management ofHelicobacter pyloriinfection - the Maastricht IV/ Florence Consensus Report, Gut2012;61:646-664.
3Jerry Rosenblatt, Ph.D., a member of RedHill’s Advisory Board and Partner at Foster Rosenblatt, RedHill Biopharmapress release:RedHill Biopharma’s Investor Webcast Forum Provides Update on the RHB-105 Phase III Programand PotentialH. PyloriEradication Market, May 18, 2015.
This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements may be preceded by the words “intends,” “may,” “will,” “plans,” “expects,” “anticipates,” “projects,” “predicts,” “estimates,” “aims,” “believes,” “hopes,” “potential” or similar words. Forward-looking statements are based on certain assumptions and are subject to various known and unknown risks and uncertainties, many of which are beyond the Company’s control, and cannot be predicted or quantified and consequently, actual results may differ materially from those expressed or implied by such forward-looking statements. Such risks and uncertainties include, without limitation, risks and uncertainties associated with (i) the initiation, timing, progress and results of the Company’s research, manufacturing, preclinical studies, clinical trials, and other therapeutic candidate development efforts; (ii) the Company’s ability to advance its therapeutic candidates into clinical trials or to successfully complete its preclinical studies or clinical trials; (iii) the extent and number of additional studies that the Company may be required to conduct and the Company’s receipt of regulatory approvals for its therapeutic candidates, and the timing of other regulatory filings, approvals and feedback; (iv) the manufacturing, clinical development, commercialization, and market acceptance of the Company’s therapeutic candidates; (v) the Company’s ability to establish and maintain corporate collaborations; (vi) the Company's ability to acquire products approved for marketing in the U.S. that achieve commercial success and build its own marketing and commercialization capabilities; (vii) the interpretation of the properties and characteristics of the Company’s therapeutic candidates and of the results obtained with its therapeutic candidates in research, preclinical studies or clinical trials; (viii) the implementation of the Company’s business model, strategic plans for its business and therapeutic candidates; (ix) the scope of protection the Company is able to establish and maintain for intellectual property rights covering its therapeutic candidates and its ability to operate its business without infringing the intellectual property rights of others; (x) parties from whom the Company licenses its intellectual property defaulting in their obligations to the Company; (xi) estimates of the Company’s expenses, future revenues capital requirements and the Company’s needs for additional financing; (xii) competitive companies and technologies within the Company’s industry; and (xiii) the impact of the political and security situation in Israel on the Company's business. More detailed information about the Company and the risk factors that may affect the realization of forward-looking statements is set forth in the Company's filings with the Securities and Exchange Commission (SEC), including the Company's Annual Report on Form 20-F filed with the SECon February 25, 2016. All forward-looking statements included in this Press Release are made only as of the date of this Press Release. We assume no obligation to update any written or oral forward-looking statement unless required by law.
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