July 26, 2023 — Tenax Therapeutics, Inc, a specialty pharmaceutical company focused on identifying, developing and commercializing products that address cardiovascular and pulmonary diseases with high unmet medical need, announced that the United States Patent and Trademark Office (USPTO) has granted a new method of use patent for oral levosimendan (TNX-103) in the treatment of pulmonary hypertension with heart failure with preserved ejection fraction (PH-HFpEF), expiring in 2040.Â
