NRx Pharmaceuticals Announces Completion of Twelve Months of Stability on the First Manufactured Commercial Scale Lot of NRX-100 (Ketamine)

NRx Pharmaceuticals, Inc. (Nasdaq: NRXP), a clinical-stage biopharmaceutical company, today announced that twelve-month real-time stability on the first manufactured lot of NRX-100 (Ketamine) at Nephron Pharmaceuticals, utilizing commercial scale processes, was reached on September 24, 2024. In this process, no degradation of the active ingredient was observed. These findings are consistent with projected room temperature shelf stability in excess of three years. Accelerated stability on additional manufactured lots of preservative-free product is congruent with stability seen in this initial lot.

Demonstrating the ability to manufacture drug product, and prove its stability, are critical components of the drug approval process with the US FDA.  Filing of the NDA for NRX-100 is on track for 2024. The NRX-100 formulation is the first sterile, single dose vial prepared with without the addition of preservatives, which may have toxic effects with repeated use.

“We are pleased to reach this important milestone in our preparation of the NDA for NRX-100, a drug we believe can significantly benefit the 3.8 million people who make a plan to commit suicide in the United States each year1,” said Jonathan Javitt, MD, MPH, Chairman and Chief Scientist of NRx Pharmaceuticals.  “I would like to congratulate the manufacturing team from our partner Nephron Pharmaceuticals for helping us take this important step forward in bringing hope to life.”

About NRx Pharmaceuticals, Inc.
NRx Pharmaceuticals is a clinical-stage biopharmaceutical company developing therapeutics based on its NMDA platform for the treatment of central nervous system disorders, specifically suicidal bipolar depression, chronic pain, and PTSD. The Company is developing NRX-101, an FDA-designated investigational Breakthrough Therapy for suicidal treatment-resistant bipolar depression and chronic pain. NRx plans to file an NDA for Accelerated Approval for NRX-101 inpatients with bipolar depression and suicidality or akathisia. NRX-101 additionally has potential to act as a non-opioid treatment for chronic pain, as well as a treatment for complicated UTI.

NRx has recently announced plans to submit a New Drug Application for NRX-100 (IV ketamine) for the treatment of suicidal depression, based on results of well-controlled clinical trials conducted under the auspices of the US National Institutes of Health and newly obtained data from French health authorities, licensed under a data sharing agreement. NRx was awarded Fast Track Designation for development of ketamine (NRX-100) by the US FDA as part of a protocol to treat patients with acute suicidality.