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Soligenix (SNGX) Receives Orphan Drug Designation From The European Commission (EC) For SGX301 As A Treatment For Cutaneous T-Cell Lymphoma



8/4/2015 6:07:21 AM

PRINCETON, N.J., Aug. 4, 2015 /PRNewswire/ -- Soligenix, Inc. (OTCQB: SNGX) (Soligenix or the Company), a late-stage biopharmaceutical company developing products that address unmet medical needs in the areas of inflammation, oncology and biodefense, announced today that the European Commission, acting on the positive recommendation from the European Medicines Agency (EMA) Committee for Orphan Medicinal Products (COMP), has granted orphan drug designation to synthetic hypericin (the active pharmaceutical ingredient in SGX301) for the treatment of cutaneous T-cell lymphoma (CTCL), a rare disease and a class of non-Hodgkin's lymphoma, a type of cancer of the white blood cells that are an integral part of the immune system. SGX301 has previously been granted both orphan drug and fast track designations from the US Food and Drug Administration (FDA) for the first-line treatment of CTCL.

Soligenix is currently working with leading CTCL centers, as well as with the National Organization for Rare Disorders (NORD) and the Cutaneous Lymphoma Foundation (CLF) to begin a 120 subject pivotal Phase 3 clinical trial with SGX301 in the second half of 2015. SGX301 is a novel, first-in-class, photodynamic therapy utilizing safe, visible light for activation. Synthetic hypericin is a potent photosensitizer which is topically applied to skin lesions and activated by visible fluorescent light.  This treatment approach avoids the risk of secondary malignancies (including melanoma) inherent with the frequently employed DNA-damaging chemotherapeutic drugs and other photodynamic therapies that are dependent on ultraviolet exposure. Topical hypericin has demonstrated safety in a Phase 1 clinical study in healthy volunteers. In a Phase 2, double-blind, placebo-controlled clinical study in CTCL patients, the drug was safe and well tolerated, with 58.3% of the CTCL patients responding to SGX301 treatment compared to only 8.3% receiving placebo (p 0.04). 

The European Commission grants orphan designations for medicines that treat a life-threatening or chronically debilitating condition affecting no more than five in 10,000 persons in the EU and where no satisfactory treatment is available. In addition to a 10-year period of marketing exclusivity in the EU after product approval, orphan drug designation provides incentives for companies seeking protocol assistance from the EMA during the product development phase, and direct access to the centralized authorization procedure.

"We are extremely pleased to have received European orphan drug designation for the SGX301 program," stated Christopher J. Schaber, PhD, President & Chief Executive Officer of Soligenix, Inc. "This EU orphan designation, combined with our US orphan and fast track designations, positions SGX301 for an accelerated global regulatory product development pathway to address the significant unmet need that exists for this important indication. We look forward to aggressively advancing our pivotal Phase 3 study of SGX301 in CTCL."

About Cutaneous T-Cell Lymphoma

Cutaneous T-cell lymphoma (CTCL) is a class of non-Hodgkin's lymphoma (NHL), a type of cancer of the white blood cells that are an integral part of the immune system.  Unlike most NHLs which generally involve B-cell lymphocytes (involved in producing antibodies), CTCL is caused by an expansion of malignant T-cell lymphocytes (involved in cell-mediated immunity) normally programmed to migrate to the skin.  These malignant cells migrate to the skin, causing various lesions to appear that may change shape as the disease progresses, typically beginning as a rash and eventually forming plaques and tumors.  Mortality is related to the stage of CTCL, with median survival generally ranging from about 12 years in the early stages to only 2.5 years when the disease has advanced.  There is currently no cure for CTCL.  

CTCL constitutes a rare group of NHLs, occurring in about 4% of the approximate 500,000 individuals living with the disease.  It is estimated, based upon review of historic published studies and reports and an interpolation of data on the incidence of CTCL that it affects over 20,000 individuals in the US, with approximately 2,800 new cases seen annually. 

About SGX301

SGX301 is a novel first-in-class photodynamic therapy utilizing safe visible light for activation. The active ingredient in SGX301 is synthetic hypericin, a potent photosensitizer which is topically applied to skin lesions and then activated by fluorescent light 16 to 24 hours later. Combined with photoactivation, hypericin has demonstrated significant anti-proliferative effects on activated normal human lymphoid cells and inhibited growth of malignant T-cells isolated from CTCL patients. In a published Phase 2 clinical study in CTCL, patients experienced a statistically significant (p 0.04) improvement with topical hypericin treatment whereas the placebo was ineffective:  58.3% compared to 8.3%, respectively. SGX301 has received orphan drug and fast track designations from the FDA.

About Soligenix, Inc.

Soligenix is a late-stage biopharmaceutical company developing products that address unmet medical needs in the areas of inflammation, oncology and biodefense. Our BioTherapeutics business segment is developing SGX301 as a first-in-class photodynamic therapy utilizing safe visible light for the treatment of cutaneous T-cell lymphoma, proprietary formulations of oral beclomethasone 17,21-dipropionate (BDP) for the prevention/treatment of gastrointestinal (GI) disorders characterized by severe inflammation including pediatric Crohn's disease (SGX203) and acute radiation enteritis (SGX201), and our novel innate defense regulator technology (SGX942) for the treatment of oral mucositis.

Our Vaccines/BioDefense business segment includes active development programs for RiVax, our ricin toxin vaccine candidate, VeloThrax, our anthrax vaccine candidate, OrbeShield, our GI acute radiation syndrome therapeutic candidate and SGX101 and SGX943, our melioidosis therapeutic candidates. The development of our vaccine programs incorporates the use of our proprietary heat stabilization platform technology, known as ThermoVax. Currently, this business segment is supported with up to $57 million in government grant and contract funding from the National Institute of Allergy and Infectious Diseases (NIAID) and the Biomedical Advanced Research and Development Authority (BARDA). Additionally, Soligenix has an exclusive worldwide collaboration with Intrexon Corporation (NYSE: XON) focused on the joint development of SGX101 for the treatment for melioidosis.

For further information regarding Soligenix, Inc., please visit the Company's website at www.soligenix.com.

This press release may contain forward-looking statements that reflect Soligenix, Inc.'s current expectations about its future results, performance, prospects and opportunities, including but not limited to, potential market sizes, patient populations and clinical trial enrollment.  Statements that are not historical facts, such as "anticipates," "estimates," "believes," "intends," "potential," or similar expressions, are forward-looking statements. These statements are subject to a number of risks, uncertainties and other factors that could cause actual events or results in future periods to differ materially from what is expressed in, or implied by, these statements. Soligenix cannot assure you that it will be able to successfully develop, achieve regulatory approval for or commercialize products based on its technologies, particularly in light of the significant uncertainty inherent in developing vaccines against bioterror threats conducting preclinical and clinical trials of vaccines, obtaining regulatory approvals and manufacturing vaccines, that product development and commercialization efforts will not be reduced or discontinued due to difficulties or delays in clinical trials or due to lack of progress or positive results from research and development efforts, that it will be able to successfully obtain any further funding to support product development and commercialization efforts, including grants and awards, maintain its existing grants which are subject to performance requirements, enter into any biodefense procurement contracts with the US Government or other countries, that it will be able to compete with larger and better financed competitors in the biotechnology industry, that changes in health care practice, third party reimbursement limitations and Federal and/or state health care reform initiatives will not negatively affect its business, or that the US Congress may not pass any legislation that would provide additional funding for the Project BioShield program. These and other risk factors are described from time to time in filings with the Securities and Exchange Commission, including, but not limited to, Soligenix's reports on Forms 10-Q and 10-K. Unless required by law, Soligenix assumes no obligation to update or revise any forward-looking statements as a result of new information or future events.

To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/soligenix-receives-orphan-drug-designation-from-the-european-commission-for-sgx301-as-a-treatment-for-cutaneous-t-cell-lymphoma-300122212.html

SOURCE Soligenix, Inc.

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