Dose Selection Study of Efficacy and Safety of Different Doses of Grass MATA MPL and Grass MATA Using mEECs™

Placebo (0.5ml)

Placebo (1.0ml)

Grass MATA MPL (0.5ml) 5100SU

Grass MATA MPL (1.0ml) 10200SU

Grass MATA MPL (1.0ml) 18200SU

Grass MATA (0.5ml) 5100SU