Tecovirimat is an orally bioavailable antipoxvirus compound inhibits extracellular virus formation and protects mice from lethal orthopoxvirus, including vaccinia, monkeypox, camelpox, cowpox, ectromelia (mousepox), and variola viruses.
At the recommended oral dosage of 600 mg every 12 hours administered in healthy adults weighing less than 120 kg, the mean steady-state values of tecovirimat AUC0-24hr, Cmax, and Ctau/trough are 29816 hr?¤ng/mL (n, CV: 43, 34%), 2159 ng/mL (n, CV: 46, 32%), and 845 ng/mL (n, CV: 45, 47%), respectively. At the recommended intravenous dosage of 200 mg every 12 hours administered by IV infusion over 6 hours in healthy adults, the mean steady-state values of tecovirimat AUC0-24hr, Cmax, and Cmin are 39405 hr.ng/mL (n, CV: 22, 23%), 2630 ng/mL (n, CV: 22, 22%), and 747 ng/mL (n, CV: 22, 29%). Refer to Table 7 for pharmacokinetic parameters of tecovirimat. Tecovirimat steady-state is achieved by Day 4-6.
Common side effects of TPOXX (Tecovirimat) include: headache, nausea, abdominal pain, and vomiting.
TPOXX (Tecovirimat) may cause serious side effects, including: hives, difficulty breathing, and swelling of your face, lips, tongue, or throat.