Tonix Pharmaceuticals Announces Positive Pre-IND Meeting with FDA for TNX-102 SL for the Treatment of Major Depressive Disorder

Core Insights - Tonix Pharmaceuticals is advancing TNX-102 SL, a potential first-in-class treatment for major depressive disorder (MDD), with an IND application expected in Q4 2025 [1][3] - TNX-102 SL is already FDA-approved for fibromyalgia and is being explored for its effects on sleep quality and depressive symptoms [1][2] Company Overview - Tonix Pharmaceuticals is a fully-integrated biotechnology company with marketed products and a pipeline of development candidates [5] - The company recently received FDA approval for Tonmya™, a non-opioid analgesic for fibromyalgia, marking the first new prescription medicine approval for this condition in over 15 years [6] - Tonix's development portfolio focuses on central nervous system disorders, immunology, immuno-oncology, and infectious diseases [6] Product Development - TNX-102 SL is a patented sublingual formulation designed for rapid absorption, bypassing first-pass metabolism, and is currently approved for fibromyalgia [4] - The drug is also being developed for other indications, including acute stress reaction, PTSD, and Long COVID [4] - The FDA provided positive feedback during the Pre-IND meeting, indicating a reasonable long-term safety data collection plan [2][3] Clinical Data - In the Phase 3 RESILIENT study, TNX-102 SL showed significant improvement in depressive symptoms among fibromyalgia patients compared to placebo, with a p-value of less than 0.05 [3] - The biological relationship between depressive symptoms in fibromyalgia and MDD remains unclear [3] Intellectual Property - Tonix holds multiple patents related to TNX-102 SL, providing market exclusivity until at least 2034, with potential extensions until 2044 for method of use [4]