SIGA is currently developing the following drugs: Tpoxx, Tecovirimat, Smallpox And Mpox Vaccine, Tecovirimat, Sevelamer Carbonate Oral Tablet, Sucroferric Oxyhydroxide Chewable Tablet, Calcium Acetate Oral Tablet, Lanthanum Carbonate Chewable Tablet. These drug candidates are in various stages of clinical development as the company works toward FDA approval.