Algernon Announces Filing of U.S. FDA Pre-IND Meeting Request for Ifenprodil Coronavirus Trial, Expanded Access, and Emergency Use

VANCOUVER, British Columbia, Canada -- March 13, 2020 -- InvestorsHub NewsWire -- Algernon Pharmaceuticals Inc. (CSE: AGN) (FRANKFURT: AGW) (OTCQB: AGNPF) (the “Company” or “Algernon”) a clinical stage pharmaceutical development company is pleased to announce that is has filed its pre-IND (Investigational New Drug) meeting request with the U.S. FDA. This initiates formal communications with the U.S. FDA regarding development of the Company’s repurposed drug NP-120 (Ifenprodil) for the treatment and prevention of acute lung injury (ALI) and acute respiratory distress syndrome associated with COVID-19 (coronavirus) infection. The request for a pre-IND meeting was accompanied by the complete pre-IND briefing document.

In the application, the Company has requested direction regarding the use of Algernon’s planned new propriety injectable and slow release formulation as well as the use of the Company’s currently available Ifenprodil drug supply, for a US clinical trial on an emergency use basis. This filing also includes clarification of the expanded access pathway, also known as the “compassionate use” pathway.

The decision to file with the U.S. FDA, was made after a recent independent study found that Ifenprodil significantly reduced ALI and improved survivability in an animal study with Asian H5N1 infected mice by 40%. Asian H5N1 is the most lethal form of influenza known to date with an over 50% mortality rate. The drug was also previously shown in a separate study to prolong survival under anoxic (low oxygen) conditions, as might occur in patients with severely impaired lung function.

Ifenprodil H5N1 Animal Study Background:

A genome wide RNAi interference approach to identify genes that aid in the recovery of cell viability after H5N1 infection, lead to the identification of the NMDA receptor antagonist Ifenprodil, which when tested in an animal model of H5N1 infection showed:

1. Markedly decreased leukocyte infiltration and lung injury scores in effected lungs 
2. Significantly ameliorated edema infected mouse lung tissue
3. Significantly improved the survival of H5N1 infected mice by 40%

Study Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6906739/

“This is a very important step for the Company as we move forward on our strong belief, based on the data, that NP-120 (Ifenprodil) may be an effective treatment for coronavirus (COVID-19),” said Christopher J. Moreau, CEO of Algernon Pharmaceuticals. “I would like to thank the entire Algernon team for all of the hard work and dedication this past week that went into preparing our pre-IND application. We will update the market shortly on the direction we receive from the U.S. FDA and based on circumstances, we are hoping for an expedited response.”

About NP-120 (Ifenprodil)

NP-120 (Ifenprodil) is an N-methyl-d-aspartate (NDMA) receptor glutamate receptor antagonist specifically targeting the NMDA-type subunit 2B (Glu2NB). Ifenprodil also exhibits agonist activity for the Sigma-1 receptor, a chaperone protein up-regulated during endoplasmic reticulum stress. Although the anti-fibrotic activity of Ifenprodil in IPF is not known, recent studies have suggested a link between both receptors and pathways associated with fibrosis.

Glutamate (Glu) is the main excitatory neurotransmitter which acts on glutamate receptors in the central nervous system (CNS) but overactivation of these receptors can cause several damages to neural cells including death. Recent studies show that the glutamate agonist N-methyl-d-aspartate (NMDA) can trigger acute lung injury (ALI). ALI is a direct and indirect injury to alveolar epithelial cells and capillary endothelial cell, causing diffuse pulmonary interstitial and alveolar edema and acute hypoxic respiration failure. ALI is characterized by reduced lung volume and compliance, and imbalance of the ventilation/perfusion ratio, inducing hypoxemia and respiratory distress and its severe stage (oxygen index <200) known as acute respiratory distress syndrome (ARDS). (1) Furthermore, pathological findings show that 64% of ARDS patients may have pulmonary fibrosis during convalescence (2).

NP-120 (Ifenprodil) was initially developed by Sanofi in the 1970’s in the French and Japanese markets for the treatment of circulatory disorders. The drug is genericized and sold in Japan and South Korea and is used to treat certain neurological conditions.

About Algernon Pharmaceuticals Inc. 

Algernon Pharmaceuticals is a clinical stage pharmaceutical development company focused on advancing its lead compounds for non–alcoholic steatohepatitis (NASH), chronic kidney disease (CKD) inflammatory bowel disease (IBD), idiopathic pulmonary fibrosis (IPF) and chronic cough.

Algernon has filed new intellectual property rights for NP-120 (Ifenprodil) for the treatment of respiratory diseases and is working to develop a proprietary injectable and slow release formulation.

CONTACT INFORMATION

Christopher J. Moreau
CEO
Algernon Pharmaceuticals Inc.
604.398.4175 ext 701
info@algernonpharmaceuticals.com
investors@algernonpharmaceuticals.com
www.algernonpharmaceuticals.com

The CSE does not accept responsibility for the adequacy or accuracy of this release.
Neither the Canadian Securities Exchange nor its Market Regulator (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release. The Canadian Securities Exchange has not in any way passed upon the merits of the proposed transaction and has neither approved nor disapproved the contents of this press release.

CAUTIONARY DISCLAIMER STATEMENT: No securities regulatory authority or stock exchange has reviewed nor accepts responsibility for the adequacy or accuracy of the content of this news release. This news release contains forward-looking statements relating to, product development, licensing, commercialization and regulatory compliance issues and other statements that are not historical facts. Forward-looking statements are often identified by terms such as “will”, “may”, “should”, “anticipate”, “expects” and similar expressions. All statements other than statements of historical fact, included in this release are forward-looking statements that involve risks and uncertainties. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company’s expectations include the failure to satisfy the conditions of the relevant securities exchange(s) and other risks detailed from time to time in the filings made by the Company with securities regulations. The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of the Company. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement. The forward-looking statements contained in this news release are made as of the date of this news release and the Company will update or revise publicly any of the included forward-looking statements as expressly required by applicable law.

(1) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5938426/
(2) https://www.ncbi.nlm.nih.gov/pubmed/19909524

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