Figure 4From: Auto-induction of phase I and phase II metabolism of artemisinin in healthy Chinese subjects after oral administration of a new artemisinin-piperaquine fixed combination Individual values for AUC ratio of phase I metabolites (M1-M3 and deoxy-QHS) of artemisinin (QHS) to the parent drug in healthy Chinese (n = 14 each) following one-day or two-day oral doses of QHS (1.8 mg/kg). Back to article page