RedHill Biopharma Submits New Drug Application
to U.S. FDA for RHB-103 Anti-Migraine Oral Thin
Tel-Aviv, Israel, March 27, 2013
- RedHill Biopharma Ltd. (NASDAQ: RDHL; TASE:
RDHL) (the “Company” or “RedHill”), an emerging Israeli biopharmaceutical company
focused primarily on the development and acquisition of late clinical-stage, patent-
protected, new formulations and combinations of existing drugs, today announced that
the Company and its co-development partner, IntelGenx Corp. (“IntelGenx”), have
submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration
(FDA) seeking marketing approval of RHB-103, a proprietary, oral thin film formulation
of rizatriptan, a leading drug for the treatment of acute migraine.
The NDA was submitted under a 505(b)(2) regulatory path, following a positive pre-NDA
meeting with the FDA and is supported by a successful bioequivalence clinical trial that
demonstrated the required FDA criteria for therapeutic equivalence between the soluble
oral film of RHB-103 and Merck & Co.’s Maxalt MLT®.
RHB-103 is an oral thin film formulation of rizatriptan benzoate, a 5-HT1 agonist and the
active drug in Merck & Co.’s Maxalt® drugs. Rizatriptan is considered one of the most
effective oral triptans - a class of molecules that constrict blood vessels in the brain in
order to relieve swelling and other migraine symptoms. The worldwide market of triptans
was estimated at approximately $2.1 billion in 2011, of which the worldwide direct sales
of Merck & Co.’s rizatriptan-based drugs exceeded $600 million.
RHB-103 is based on IntelGenx' proprietary “VersaFilmTM” technology. The RHB-103
thin film strip dissolves rapidly in the mouth, leading to the absorption of the drug through
the gastro intestinal track and into the bloodstream.
1 2011 report by Business Insights 2 2012 annual report of Merck & Co., Inc.
"We are very pleased with the submission of the NDA for RHB-103. It is our first NDA
and an important milestone for RedHill and IntelGenx, as it brings us one step closer to
making this attractive thin film rizatriptan drug available for migraine patients in need" said
Elkan Gamzu, RedHill’s RHB-103 Product Manager.
"RedHill’s RHB-103 oral thin film is characterized by rapid dissolution, ease of use, pleasant flavoring, and the ability to administer without water, all of which we believe are important for patients who suffer from migraines."
RedHill further reported on February 25, 2013 of its plan to submit a second NDA in the
fourth quarter of 2013, for the U.S. marketing approval of RHB-102, a patent protected,
oral, extended-release (24 hours) formulation of ondansetron for the prevention of nausea
and vomiting in cancer patients. The RHB-102 planned NDA submission follows a
successful bioavailability trial, as well as a recent Type B meeting with the FDA.
About RedHill Biopharma Ltd.
RedHill Biopharma (NASDAQ: RDHL ; TASE: RDHL) is an emerging Israeli
biopharmaceutical company focused primarily on the development and acquisition of late
clinical-stage, patent protected, new formulations and combinations of existing drugs.
The Company's current product pipeline includes: (i) RHB-101 - a once-daily
formulation of a leading congestive heart failure and high blood pressure drug, planned to
be submitted for a Marketing Authorization Application (MAA) in Europe, (ii) RHB-102
- a once-daily formulation of a leading chemotherapy and radiotherapy-induced nausea
and vomiting prevention drug, planned for U.S. NDA submission in the fourth quarter of
2013, (iii) RHB-103 - an oral thin film formulation drug for the treatment of acute
migraine, with U.S. NDA submitted March 2013, (iv) RHB-104 - a combination therapy
for the treatment of Crohn's disease, planned to commence a first Phase III trial in the
second quarter of 2013, as well as Multiple Sclerosis (MS) Phase IIa proof of concept
trial planned to commence in the first quarter of 2013, (v) RHB-105 - a combination
therapy for the treatment of Helicobacter pylori
bacteria causing ulcers, planned to
commence a phase II/III trial in the second quarter of 2013, and (vi) RHB-106 - an
encapsulated formulation for bowel preparation (laxative) ahead of colonoscopy. For
more information please vis
IntelGenx is a drug delivery company focused on the development of oral controlled-
release products as well as novel rapidly disintegrating delivery systems. IntelGenx uses
its unique multiple layer delivery system to provide zero-order release of active drugs in
the gastrointestinal tract. IntelGenx has also developed novel delivery technologies for
the rapid delivery of pharmaceutically active substances in the oral cavity based on its
experience with rapidly disintegrating films. IntelGenx' development pipeline includes
products for the treatment of severe depression, hypertension, erectile dysfunction,
benign prostatic hyperplasia, migraine, insomnia, idiopathic pulmonary fibrosis, allergies
and pain management. More information is available about the company
This press release contains “forward-looking statements” within the meaning of the
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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
From 20-F filed with the SEC on February 19, 2013, and its Reports on Form 6-K.
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