What is the expected timeline for NRX-100 to progress from expanded access to pivotal Phase III trials and potential FDA approval, and how does that compare to competitors' ketamine or rapid‑acting antidepressant programs? | NRXP (Aug 27, 2025) | Candlesense

What is the expected timeline for NRX-100 to progress from expanded access to pivotal Phase III trials and potential FDA approval, and how does that compare to competitors' ketamine or rapid‑acting antidepressant programs?

Timeline Outlook

NRX‑100 has just moved from pre‑clinical/early‑stage work into an expanded‑access (compassionate‑use) program after receiving Fast‑Track designation for suicidal ideation in depression. In the biotech‑development playbook, expanded‑access usually runs in parallel with a Phase IIb dose‑finding study, which NRX plans to initiate in Q4 2025. Assuming a standard 12‑ to 18‑month Phase II read‑out, the company could file a pivotal Phase III protocol by mid‑2026 and begin enrollment in late‑2026. With a typical 24‑month Phase III duration and the Fast‑Track pathway (which can shave 3–6 months off the review clock), an NDA submission is realistic by early‑2028, with a possible FDA approval window in late‑2028 to early‑2029 if data are compelling.

Competitive Context

The rapid‑acting antidepressant (RAAD) field is already anchored by Spravato (esketamine) – FDA‑approved since 2019 – and by several late‑stage pipelines: Compass Pathways (COMP‑001), Johnson & Johnson’s SAGE‑547, and Lanza’s NMDA‑modulators, most of which are slated for Phase III read‑outs in 2026‑2027 and could seek approval as early as 2027. Compared with those programs, NRX‑100 is one to two years behind the earliest expected approvals, but the Fast‑Track label and a preservative‑free formulation give it a differentiation edge that could command a premium if safety/efficacy is superior.

Trading Implications

Technically, NRXP has broken out of a long‑term consolidation range (≈ $3.20‑$4.00) on the expanded‑access news, holding above the 50‑day EMA with volume 2.5× the 30‑day average. The key catalysts are the Phase IIb results (Q2‑2026) and the Phase III initiation (Q4‑2026). Given the upside potential of a +30‑40 % move on a positive Phase III read‑out and the risk of dilution or delay if data lag, a “buy‑on‑rumor, sell‑on‑news” stance is warranted: accumulate on pullbacks toward the $4.20‑$4.40 support zone, and consider taking partial profits if the stock spikes above $5.20 after Phase II data. Keep a close eye on competitor milestones (e.g., Compass Phase III read‑out in H1‑2026) as they will set the relative valuation floor for the RAAD sector.