This study will describe the pharmacokinetic disposition of biologically active rabbit anti-thymocyte globulin (rATG) after a consistent dose of 7.5 mg/kg/course given as part of the conditioning regimen in children undergoing hematopoeitic stem cell transplantation (HSCT).
Allogeneic hematopoeitic stem cell transplantation (HSCT) is a therapeutic option for patients with malignancies as well as metabolic and genetic diseases. Conditioning regimens given prior to donor cell infusion aim to ablate the recipient bone-marrow, to allow engraftment of the stem-cells infused, and to prevent acute versus host disease (aGVHD). Anti-thymocyte globulin (ATG) is one of the immunosuppressive drugs given as a preparative regimen for HSCT. Subjects will be given an ATG infusion daily for 3 days prior to HSCT and serum levels will be collected, as per schedule, with the last sample taken +100 days post-HSCT.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
30
Thymoglobulin 2.5 mg/kg of body weight IV administered daily for 3 days prior to HSCT. Thymoglobulin infused over a minimum of 6 hours for the first infusion and over at least 4 to 6 hours on subsequent days of therapy.
The Hospital For Sick Children
Toronto, Ontario, Canada
Pharmacokinetic Disposition of ATG After a 7.5 mg/kg/Course
ATG pharmacokinetic parameters were estimated using a noncompartmental model. Maximum Observed Concentration (Cmax) of ATG After a 7.5 mg/kg/Course was measured
Time frame: 100 days
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