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Phase 2 randomized, double-blind, placebo-controlled trial planned to evaluate TNX-2900 in children and adolescents (ages 8 to 17.5 years) with Prader-Willi Syndrome under a cleared IND
TNX-2900 granted Orphan Drug and Rare Pediatric Disease Designations by the FDA, providing the potential for a Priority Review Voucher upon approval
Magnesium-potentiated intranasal oxytocin formulation designed to reduce dose-related inconsistencies in receptor activity
CHATHAM, N.J., Sept. 29, 2025 (GLOBE NEWSWIRE) -- Tonix Pharmaceuticals Holding Corp. (NASDAQ: TNXP), a fully-integrated commercial-stage biotechnology company with innovative marketed products and a pipeline of development candidates, today announced plans to progress its TNX-2900 program for the treatment of Prader-Willi syndrome (PWS) into a Phase 2 clinical trial. TNX-2900 is a proprietary magnesium-potentiated intranasal oxytocin formulation designed to improve receptor binding and decrease dose-related inconsistencies in receptor activity. The program has received both Orphan Drug and Rare Pediatric Disease designations from the U.S. Food and Drug Administration (FDA), which would make Tonix eligible for a transferable Priority Review Voucher, upon approval. The FDA has cleared the Investigational New Drug (IND) application for TNX-2900 to progress into Phase 2 development.
Tonix plans to conduct a Phase 2 randomized, double-blind, placebo-controlled, parallel-design study to evaluate the safety, tolerability, and efficacy of TNX-2900 in male and female participants with PWS, ages 8 to 17.5 years. Eligible participants will be randomized to receive 12-weeks of treatment with TNX-2900 at one of three dose levels, or placebo, in a 1:1:1:1 ratio. The primary efficacy endpoint will be the change from baseline in the validated Hyperphagia Questionnaire for Clinical Trials (HQ-CT), a widely used measure of hyperphagia severity in PWS. Secondary objectives will include assessments of behavior, caregiver burden, and quality of life measures, as well as safety and tolerability outcomes.
Posted In: TNXP
