Mean plasma concentration-time profiles of maribavir. Blood samples were taken up to 8 hours after dose. Symbols represent maribavir dose groups: 100 mg twice daily (●), 400 mg once daily (■), and 400 mg twice daily (▴). (A) Plasma concentration-time profile on day 7. The 100-mg twice-daily, 400-mg once-daily, and 400-mg twice-daily groups comprised 17, 11, and 10 patients, respectively. (B) Plasma concentration-time profile at week 4. The 100-mg twice-daily, 400-mg once-daily, and 400-mg twice-daily groups comprised 12, 9, and 3 patients, respectively.