Commercial Manufacturing Validation Completed as November 10 FDA Milestone Approaches; Critical FDA Milestone Close: NRx Pharmaceuticals NAS DAQ: NRXP

NRXP Reports Three Successfully Manufactured Commercial Lots, Two-Year Stability Data, and Commercially Releasable Supply Pending FDA Approval — While an $11.18 Million DARPA Contract Expands the Company's Research Opportunities

MIAMI - Oct. 19, 2026 - PRLog -- NRx Pharmaceuticals, Inc. (N A S D A Q: NRXP) $NRXP announced a significant manufacturing milestone today reporting completion of process validation for three commercial lots of its preservative-free intravenous ketamine ahead of the November 10, 2026, U.S. Food and Drug Administration (FDA) review goal date. The company also announced two-year room-temperature stability data showing no deterioration in purity, potency, or sterility without the need for preservatives. According to NRx, the stability results are consistent with the potential for a labeled shelf life of three years or longer. With commercially releasable drug supply now on hand pending approval of its Abbreviated New Drug Application (ANDA), NRx is advancing an important part of its preparation to serve American hospitals and clinics. The latest announcement adds substantial manufacturing progress to a growing corporate story that includes investigational depression treatments, robotic brain stimulation research, and an approximately $11.18 million government-funded clinical research contract.

NRXP's announcement is particularly important because process validation is a key manufacturing requirement under FDA Good Manufacturing Practices. The company reports that three commercial lots have been successfully manufactured under commercial conditions, marking completion of the process validation step described in its announcement. NRx thanked its manufacturing partner, Nephron Pharmaceuticals, based in West Columbia, South Carolina, for helping achieve this milestone and supporting domestic production of sterile injectable medicines. The company's focus on American manufacturing could be relevant to hospitals and healthcare providers seeking dependable access to essential medicines. NRx has identified preservative-free ketamine as a potential contributor to the drug-shortage market, although commercial distribution remains contingent on the necessary FDA approval.

The new stability information adds another important dimension. NRx reports that its completed two-year, real-time room-temperature stability analysis showed no deterioration in the product's purity, potency, or sterility without toxic preservatives. The company believes these results may support a labeled shelf life of three years or longer, subject to the applicable regulatory requirements. A longer potential shelf life could be valuable for healthcare facilities managing medication inventories, but the final labeled shelf life will depend on the approved product labeling. Together, process validation, stability data, and available commercial supply represent meaningful preparation for a potential launch.

The immediate regulatory milestone remains November 10, 2026, the announced Generic Drug User Fee Amendments (GDUFA) goal date for NRx's preservative-free ketamine ANDA. On October 15, the company reported receiving an FDA Discipline Review Letter requesting minor labeling changes and sample labeling incorporating the proposed proprietary product name, which remains under review. NRx stated that the requested changes were minor. The latest manufacturing announcement adds to this progress by reporting completion of the three process validation lots and the availability of commercial supply pending approval. The distinction remains important: manufacturing readiness is not the same as regulatory approval, and the FDA's final decision has not been announced in the supplied release. Investors will be watching for official updates as the goal date approaches.

Beyond its near-term ketamine opportunity, NRx continues to develop a broader portfolio focused on serious central nervous system conditions, including depression, post-traumatic stress disorder, and related disorders. Its NRX-100 program is preservative-free intravenous ketamine. The company has reported Fast Track Designation for development involving suicidal ideation in depression, including bipolar depression, and has pursued a separate New Drug Application pathway for that potential use. The ANDA and NDA are distinct regulatory pathways with different requirements, and progress in one should not be interpreted as approval under the other.

NRX-101, an investigational oral combination of D-cycloserine and lurasidone, represents another part of the company's development strategy. NRx has reported Breakthrough Therapy Designation for NRX-101 in suicidal bipolar depression. The company's interest in combining pharmaceutical approaches with advanced treatment technologies also underpins its SPARC-TMS initiative, announced September 30, 2026.

Under an approximately $11.18 million prime contract awarded by the Defense Advanced Research Projects Agency (DARPA), NRx Defense Systems is advancing research evaluating robotic, neuronavigated transcranial magnetic stimulation (TMS) combined with NRX-101 for treatment-resistant depression. The program is designed to investigate a single-day treatment protocol and brings together NRx Defense Systems, HOPE Therapeutics, McLean Hospital, Arizona State University, Zeta Surgical Systems, and Neurocare of America. The contract has an 18-month performance period, with approximately $6.7 million initially obligated and additional funding subject to appropriations and contract options. Clinical outcomes will be necessary to establish whether the approach can support further development.

NRx's HOPE Therapeutics subsidiary is also preparing to deploy advanced robotic TMS navigation technology at its Florida clinics. The company announced this initiative in September, connecting its clinical services platform with its broader interest in technology-enabled psychiatric care. These activities provide additional developments for investors to follow alongside the immediate manufacturing and regulatory milestones.

Financial resources and execution will remain important as NRx moves toward potential commercialization. In its August 17, 2026, second-quarter update, the company reported approximately $26.7 million in cash and cash equivalents as of June 30 and approximately $22.3 million in gross proceeds from an underwritten public offering. These are historical figures, not a statement of the company's current cash balance. Future funding requirements, manufacturing costs, commercial execution, and the timing of any approval will remain important considerations.

For investors following $NRXP, this announcement brings several concrete developments into focus: completion of three commercial process validation lots, two-year room-temperature stability data, and commercially releasable supply awaiting ANDA approval. Combined with the November 10 FDA goal date, the NRX-101 research program, and the DARPA-funded SPARC-TMS initiative, these developments give the company multiple milestones to monitor. The next stage will depend on the FDA's decision, the final approved labeling, and NRx's ability to translate its manufacturing preparation and research activities into measurable commercial and clinical progress. The company's progress offers an encouraging development story, while the ultimate outcome will depend on regulatory decisions, clinical evidence, financing, and execution.

For more information on $NRXP visit: https://www.nrxpharma.com/ and https://compasslivemedia.com/case-study/nrx-pharmaceuticals/

Media Contact
Company Name: NRx Pharmaceuticals, Inc. (N A S D A Q: NRXP)
Contact Person: Brian Korb, Managing Partner, astr partners
Email: [email protected]
Phone: (917) 653-5122
Country: United States

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