Anti-Shiga Toxin Hyperimmune Equine Immunoglobulin F(ab')2 Fragment (INM004) in Healthy Volunteers

Stage I- Cohort I: (2mg/kg) administered at a single dose. The ratio is 3:1 (investigational product:placebo) -

Stage I- Cohort II: Dose 2 (4mg/kg) administered at a single dose. The ratio is 3:1 (investigational product:placebo)

Stage II: Either 3 doses of 2 mg/kg or 4 mg/kg will be administered every 24 hs. The ratio is 5:1 (investigational product : placebo).

A placebo infusion will be administered at the same infusion rate as the Drug arm