Table 2. Effect of DW-3-15, artesunate and PZQ given orally to mice infected with 14-day-old Schistosoma japonicum at a daily dose of 200 mg/kg for 5 days.

Compound	Number of Mice tested	Total worm burden (± s)	Total worm reduction (%)
Control	10	40.8±6.8	0
DW-3-15	12	10.5±4.2	74.3**
Artesunate	12	6.8±3.0	83.3**
PZQ	12	34.0±6.6	16.2

**p-value<0.005.