Tonix Pharmaceuticals (TNXP) – Long COVID Study Did Not Meet Primary Endpoint But Provides Important Data


Wednesday, September 06, 2023

Tonix is a clinical-stage biopharmaceutical company focused on discovering, licensing, acquiring and developing therapeutics and diagnostics to treat and prevent human disease and alleviate suffering. Tonix’s portfolio is composed of immunology, rare disease, infectious disease, and central nervous system (CNS) product candidates. Tonix’s immunology portfolio includes biologics to address organ transplant rejection, autoimmunity and cancer, including TNX-15001 which is a humanized monoclonal antibody targeting CD40-ligand being developed for the prevention of allograft and xenograft rejection and for the treatment of autoimmune diseases. A Phase 1 study of TNX-1500 is expected to be initiated in the second half of 2022. Tonix’s rare disease portfolio includes TNX-29002 for the treatment of Prader-Willi syndrome. TNX-2900 has been granted Orphan-Drug Designation by the FDA. Tonix’s infectious disease pipeline includes a vaccine in development to prevent smallpox and monkeypox called TNX-8013, next-generation vaccines to prevent COVID-19, and an antiviral to treat COVID-19. Tonix’s lead vaccine candidates for COVID-19 are TNX-1840 and TNX-18504, which are live virus vaccines based on Tonix’s recombinant pox vaccine (RPV) platform. TNX-35005 (sangivamycin, i.v. solution) is a small molecule antiviral drug to treat acute COVID-19 and is in the pre-IND stage of development. TNX-102 SL6, (cyclobenzaprine HCl sublingual tablets), is a small molecule drug being developed to treat Long COVID, a chronic post-acute COVID-19 condition. Tonix expects to initiate a Phase 2 study in Long COVID in the second quarter of 2022. The Company’s CNS portfolio includes both small molecules and biologics to treat pain, neurologic, psychiatric and addiction conditions. Tonix’s lead CNS candidate, TNX-102 SL, is in mid-Phase 3 development for the management of fibromyalgia with a new Phase 3 study launched in the second quarter of 2022. Finally, TNX-13007 is a biologic designed to treat cocaine intoxication that is expected to start a Phase 2 trial in the second quarter of 2022. TNX-1300 has been granted Breakthrough Therapy Designation by the FDA.

Robert LeBoyer, Senior Vice President, Equity Research Analyst, Biotechnology, Noble Capital Markets, Inc.

Refer to the full report for the price target, fundamental analysis, and rating.

Phase 2 PREVAIL Study Announces Mixed Results. Tonix announced that the Phase 2 PREVAIL study testing TNX-102 SL in Long COVID did not meet its primary endpoint of multi-site pain reduction at week 14. The study was able to improve several important symptoms of Long COVID that could become acceptable endpoints in a Phase 3 trial.

Several Measures Showed Benefits In The Trial. PREVAIL was a blinded placebo-controlled study with an enrollment of  63 patients. Several secondary endpoints showed consistent benefits over the course of the study. These include fatigue, sleep quality, cognitive function, disability, and the Patient Global Impression of Change (PGIC). We believe these data show the drug can reduce several important symptoms of Long COVID.


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