Iodine-131 Anti-B1 Antibody (Tositumomab and Iodine I 131 Tositumomab) for Previously Untreated, Advanced-stage, Low Grade Non-Hodgkin's Lymphoma

"Dosimetric Dose: 450 mg of Anti-B1 Antibody infused over 70 minutes (inclusive of a 10-minute flush) immediately followed by 5 mCi (35 mg) of Iodine-131 Anti-B1 Antibody infused over 30 minutes (inclusive of a 10-minute flush).~Therapeutic Dose: Seven to 14 days after the dosimetric dose, 450 mg of Anti-B1 Antibody infused over 70 minutes (inclusive of a 10-minute flush), immediately followed by the patient-specific milliCurie activity (35 mg) of Iodine-131 Anti-B1 Antibody to deliver a total body dose (TBD) of 75 cGy infused over 30 minutes (inclusive of a 10-minute flush). Obese patients were dosed based upon 137% of their calculated lean body mass."