Tonix Fibromyalgia Test Misses Endpoint

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Tonix Pharmaceuticals says that preliminary topline results from its Phase 3 AFFIRM study of TNX-102 SL (cyclobenzaprine HCl sublingual tablets) 2.8 mg in patients with fibromyalgia failed to achieve statistical significance in its primary efficacy endpoint of the proportion of patients who reported a 30% or greater reduction in pain from baseline to the end of the 12-week treatment period based on the pre-specified primary analysis. The company says that the drug showed statistically significant effects on pain when analyzed by other statistical approaches, however.

Company president Seth Lederman said that the drug “showed broad beneficial effects across key fibromyalgia symptoms and was well-tolerated in the AFFIRM study.” He said that despite achieving clinically meaningful results from AFFIRM, the company has greater clarity on the regulatory approach forward in its post-traumatic stress disorder (PTSD) program and will move that into Phase 3. For PTSD, the drug is intended to provide broad spectrum improvement by targeting sleep quality and the stress response.

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