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RizaFilm

Generic name: rizatriptan
Treatment for: Migraine

Update: RizaFilm (rizatriptan) Now FDA Approved - April 14, 2023

IntelGenx Announces FDA Acceptance of NDA for Anti-Migraine VersaFilm

IntelGenx Announces FDA Acceptance of New Drug Application for Anti-Migraine VersaFilm(TM) Oral Film Product

SAINT LAURENT, Quebec, June 18, 2013 (GLOBE NEWSWIRE) -- IntelGenx Corp. (TSX-V:IGX) (OTCQX:IGXT) ("IntelGenx," or the "Company") today announced that the U.S. Food and Drug Administration ("FDA") has assigned a Prescription Drug User Fee Act ("PDUFA") action date of February 3, 2014 for the review of the Company's New Drug Application
("NDA") for the marketing approval of IntelGenx' Anti-Migraine
VersaFilm(TM) oral film product.

The Company had announced on March 27, 2013 that, together with its co-development partner RedHill Biopharma Ltd ("RedHill"), it had submitted a 505(b)(2) NDA to the FDA for the Company's anti-migraine oral film product. The product is a novel, oral thin-film formulation, based on IntelGenx' proprietary VersaFilm(TM) technology containing Rizatriptan, the active drug in Merck & Co ("Merck") Maxalt-MLT(R) orally disintegrating tablets. The FDA confirmed that IntelGenx'
application is sufficiently complete to permit a substantive review in accordance with the FDA's "standard" classification process.

IntelGenx had previously announced a successful pre-NDA meeting with the FDA following the completion of a bioequivalency study demonstrating that its oral film product is bioequivalent with Maxalt MLT(R), a leading branded anti-migraine product manufactured by Merck.
According to Merck's most recent annual report, sales of Maxalt(R) were
$638 million in 2012. The thin-film formulation of Rizatriptan has been developed in accordance with the co-development and commercialisation agreement with RedHill (Nasdaq:RDHL) (TASE:RDHL) using IntelGenx'
proprietary immediate release "VersaFilm(TM)" drug delivery technology.

IntelGenx' orally disintegrating film consists of a thin (30 -- 50 um) polymeric film which disintegrates rapidly upon oral administration, thereby releasing the active drug Rizatriptan and making it available for rapid absorption. The film does not require water for administration.

On announcing the news, IntelGenx' President and CEO Dr. Horst Zerbe commented, "We are very pleased with the FDA's confirmation that our anti-migraine film application has been accepted for review. We believe that our Rizatriptan film is the first oral film product for the treatment of migraine for which a 505(b)(2) NDA has been submitted to FDA. We consider that the product has significant market potential as it is therapeutically equivalent to Maxalt-MLT(R) orally disintegrating tablets, is easy to use, and offers significant cost advantages over orally disintegrating tablets."

About IntelGenx:

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 indications such as severe depression, hypertension, erectile dysfunction, migraine, CNS indications, idiopathic pulmonary fibrosis, oncology and pain, as well as animal health products. More information is available about the company at www.intelgenx.com.

Forward-Looking Statements:

This document may contain forward-looking information about IntelGenx'
operating results and business prospects that involve substantial risks and uncertainties. Statements that are not purely historical are forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and Section 27A of the Securities Act of 1933, as amended. These statements include, but are not limited to, statements about IntelGenx' plans, objectives, expectations, strategies, intentions or other characterizations of future events or circumstances and are generally identified by the words "may," "expects," "anticipates," "intends," "plans," "believes,"
"seeks," "estimates," "could," "would," and similar expressions. All forward looking statements are expressly qualified in their entirety by this cautionary statement. Because these forward-looking statements are subject to a number of risks and uncertainties, IntelGenx' actual results could differ materially from those expressed or implied by these forward looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed under the heading "Risk Factors" in IntelGenx' annual report on Form 10-K for the fiscal year ended December 31, 2012, filed with the United States Securities and Exchange Commission and available at www.sec.gov, and also filed with Canadian securities regulatory authorities and www.sedar.com. IntelGenx assumes no obligation to update any such forward-looking statements.

Each of the TSX Venture Exchange and OTCQX has neither approved nor disapproved the contents of this press release.

CONTACT: Dr. Horst G. Zerbe,
President and CEO
IntelGenx Technologies Corp.
T: +1 514-331-7440 (ext. 201)
F: +1 514-331-0436
horst@intelgenx.com
www.intelgenx.com

Posted: June 2013

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