Experimental: Antithymocyte globulin (ATG)
Antithymocyte globulin (ATG) will be intravenously administered over two days, with a total of 2 infusion periods. The first infusion is given at baseline visit (day 1), the second is given the next day at baseline visit (day 2). Body weight at baseline (Day 0- admission for the ATG/placebo infusion) will be used in calculating the doses for all infusions. The first dose (0.5mg/kg) will be infused over a minimum of 4 hours, and the second dose (2mg/kg) over a minimum of 4 hours with a maximum infusion time for each infusion of 10 hours. The second dose should be given no less than 12 and no more than 24 hours after completion of the previous dose. The final prepared product is to be labeled to protect the blind. Infusions may be administered either in a hospital or outpatient setting at the investigator’s or institutions discretion.
Drug: Antithymocyte Globulin
Other Name: Thymoglobulin
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