A Phase 1 Trial of OPA-15406 Ointment in Healthy Adult Male Subjects

32 subjects were randomly allocated to 4 treatment groups (8 subjects per dose). In a single administration period, subjects were treated with assigned 0.3 % OPA-15406 ointment assessed until 48 hours postdose. In the multiple administration period, same subjects were treated with assigned 0.3% OPA-15406 ointment twice daily for 14 days and assessed until 48 hours post dose.

32 subjects were randomly allocated to 4 treatment groups (8 subjects per dose). In a single administration period, subjects were treated with assigned 1 % OPA-15406 ointment assessed until 48 hours postdose. In the multiple administration period, same subjects were treated with assigned 1% OPA-15406 ointment twice daily for 14 days and assessed until 48 hours post dose

32 subjects were randomly allocated to 4 treatment groups (8 subjects per dose). In a single administration period, subjects were treated with assigned 3 % OPA-15406 ointment assessed until 48 hours postdose. In the multiple administration period, same subjects were treated with assigned 3% OPA-15406 ointment twice daily for 14 days and assessed until 48 hours post dose.

32 subjects were randomly allocated to 4 treatment groups (8 subjects per dose). In a single administration periodriod, subjects were treated with assigned placebo ointment assessed until 48 hours postdose. In the multiple administration period, same subjects were treated with assigned placebo ointment twice daily for 14 days and assessed until 48 hours post dose.