Wednesday, July 20, 2022 11:26:42 AM
11:17 AM ET 7/20/22 | Dow Jones
-- Published findings demonstrate that HyBryte(TM) treatment statistically
significantly reduced CTCL lesion size
-- HyBryte(TM) has potential to address a critical gap in treatment of
early-stage CTCL
PRINCETON, N.J., July 20, 2022 /PRNewswire/ -- Soligenix, Inc. (NASDAQ: SNGX) (Soligenix or the Company), a late-stage biopharmaceutical company focused on developing and commercializing products to treat rare diseases where there is an unmet medical need, announced today that the results of its successful Phase 3 FLASH (Fluorescent Light Activated Synthetic Hypericin) study evaluating HyBryte(TM) (synthetic hypericin) for the treatment of cutaneous T-cell lymphoma (CTCL) has been published in the Journal of the American Medical Association (JAMA) Dermatology.
"The peer reviewed publication of these data in JAMA Dermatology is a testament and further validation to the importance of the findings for the scientific and CTCL disease communities," stated Ellen Kim, MD, Professor of Dermatology and Medical Director, Dermatology Clinic, Perelman Center for Advanced Medicine at the Hospital of the University of Pennsylvania, and the Lead Principal Investigator for the Phase 3 FLASH study. "With its chronic course and major impact on patient quality of life, CTCL is an orphan disease in urgent need of additional treatment options that are well-tolerated and safe over the long haul. The results from this Phase 3 study, which is the largest double-blind, randomized, placebo-controlled trial in CTCL to date, represents an important leap forward in the development of potential therapies to meet this unmet medical need."
The published findings demonstrate that HyBryte(TM) treatment statistically significantly reduced lesion size, with the treatment response further improving over successive 6-week treatment cycles. The primary endpoint evaluated the CAILS (Composite Assessment of Index Lesion Severity) score of three treated index lesions and success was defined as >=50% reduction in CAILS score relative to baseline. Lesion response continuously improved with treatment duration. After the first 6-week treatment window, 16% of patients had a response (p=0.04 versus patients with 6 weeks of placebo treatment; primary endpoint). This response rate continued to significantly increase to 49% through 18 weeks of treatment (p<0.0001 versus patients with 6-week hypericin or placebo treatment). Throughout the study, HyBryte(TM) was safe and well-tolerated. Importantly, HyBryte(TM) was observed to perform similarly against both patch and thicker plaque lesions characteristic of CTCL.
"In treating CTCL, which is a chronic cancer with no cure, long-term safety is of paramount concern. Most current treatment options for CTCL are associated with significant safety concerns, including black-box warnings. HyBryte(TM) treatment has demonstrated strong and rapid efficacy with a very benign safety profile," stated Dr. Richard Straube, MD, Senior Vice President and Chief Medical Officer of Soligenix. "This is of significant benefit to patients living with this difficult disease. The substantial increase in efficacy with longer treatment and the similar performance against both patch and plaque lesions are particularly encouraging. As one of the largest studies in CTCL, this study and this publication establishes a new benchmark in CTCL treatment."
About JAMA Dermatology
JAMA Dermatology is an international peer-reviewed journal published online weekly and in print/ online issue 12 times a year. It is one of the highest ranked journals in dermatology, with an acceptance rate of 9%. The journal, which has been in continuous publication since 1882, publishes studies in the areas of medical, surgical, pediatric, geriatric dermatology, oncologic and aesthetic dermatology. It prioritizes clinical and laboratory studies that reveal new information pertinent to the interests and needs of the medical dermatologist, dermatologic surgeon, and all those concerned with state-of-the-art care of cutaneous disease. The journal believes that knowledge derived from well-designed clinical trials and studies of cost-effectiveness are especially important for improving the practice of dermatology. JAMA Dermatology is a member of the JAMA Network family of journals, which includes JAMA, 11 JAMA Network specialty journals, and JAMA Network Open.
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