SIGA (SIGA) Said Smallpox Drug Used on Human Patient
SIGA Technologies, Inc. (NASDAQ: SIGA) announced this morning that a toddler who inadvertently contracted eczema vaccinatum has been treated with ST-246, SIGA's lead smallpox drug candidate, pursuant to an Emergency Investigational New Drug Application granted by the FDA, and is now improving.
The company said, due to the absence of smallpox disease in the general human population, the efficacy of ST-246 has been investigated in animals to date. However, the federal Centers for Disease Control and Prevention (CDC) was recently notified that a child had contracted eczema vaccinatum, a potentially deadly illness that can manifest with a generalized skin rash similar to smallpox, following accidental contact with an open skin lesion on a relative who had recently been vaccinated for smallpox using a live vaccinia virus vaccine. The patient developed late-stage manifestations of the disease, including hemorrhagic lesions, respiratory failure, shock and high viral loads in the blood. CDC facilitated communication between SIGA and FDA resulting in provision of ST-246 for the patient under an Emergency IND.
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