SIGA Technologies, Inc. is a small biotech company committed to developing novel products for the prevention and treatment of serious viral diseases, with an emphasis on products to combat outbreaks that could result from bioterrorism. With government support, SIGA has developed the necessary infrastructure to successfully advance new antiviral drugs from the discovery stage through to licensing. Currently, there is a need to develop safe and effective inhibitors for poxvirus-induced diseases such as smallpox caused by variola, which is a potential biological warfare agent. Likewise emerging zoonotic infections due to cowpox virus and monkeypox virus require the development of effective countermeasures. Tecovirimat, also known as ST-246, has shown efficacy in all small animal and nonhuman primate prophylaxis and therapeutic efficacy models of poxvirus-induced disease tested to date. Phase I clinical trials and new drug application-enabling toxicology studies have been completed with tecovirimat. A phase II clinical study is being run and SIGA has initiated commercial scale-up manufacturing and preparation for the pivotal safety and efficacy studies. SIGA is committed to getting approval for tecovirimat and supplying it to the Strategic National Stockpile, the Department of Defense and global health authorities.
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