Full-Dose 90Y Ibritumomab Tiuxetan Therapy Is Safe in Patients with Prior Myeloablative Chemotherapy
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Full-Dose Y Ibritumomab Tiuxetan Therapy Is Safe in Patients with PriorMyeloablative Chemotherapy
Purpose: Targeted radioimmunotherapy with yttrium-90 (Y)^ labeled ibritumomab tiuxetan (Zevalin, IDEC-Biogen, SanDiego, CA) has shown significant activity in the treatment of relapsed or refractoryCD20+non ^Hodgkin’s lymphoma. Eligibility criteriaused inphase I trials, andadopted in phase II and III trials, excluded patients with prior myeloablative therapy.We treated eight patients with Y ibri...
متن کاملAccurate dose calibrator activity measurement of 90Y-ibritumomab tiuxetan.
UNLABELLED This investigation examined the accuracy of dose calibrator activity measurement of the beta-emitting radiopharmaceutical (90)Y-ibritumomab tiuxetan. METHODS Five different facilities independently measured (90)Y in a 10-mL syringe geometry with 30 dose calibrator models from 3 different manufacturers. The activities ranged from 81.4 MBq (2.2 mCi) to 1,406 MBq (38 mCi) over the vol...
متن کاملDetection of 90Y extravasation by bremsstrahlung imaging for patients undergoing 90Y-ibritumomab tiuxetan therapy.
UNLABELLED Extravasation of therapeutic (90)Y-ibritumomab tiuxetan can cause significant injury. Detection of extravasated (90)Y using a γ-camera for patients undergoing (90)Y-ibritumomab tiuxetan therapy is a challenge because of the inherently low efficiency of bremsstrahlung imaging and the interference of prompt and scattered photons from (111)In that are still present in the body at the ti...
متن کاملQuantification of dose nonuniformities by voxel-based dosimetry in patients receiving 90Y-ibritumomab-tiuxetan.
UNLABELLED Abstract Objective: To assess the impact of nonuniform dose distribution within lesions and tumor-involved organs of patients receiving Zevalin(®), and to discuss possible implications of equivalent uniform biological effective doses (EU-BED) on treatment efficacy and toxicity. MATLAB™ -based software for voxel-based dosimetry was adopted for this purpose. METHODS Eleven lesions fr...
متن کاملMIRD dose estimate report No. 20: radiation absorbed-dose estimates for 111In- and 90Y-ibritumomab tiuxetan.
UNLABELLED Absorbed-dose calculations provide a scientific basis for evaluating the biologic effects associated with administered radiopharmaceuticals. In cancer therapy, radiation dosimetry supports treatment planning, dose-response analyses, predictions of therapy effectiveness, and completeness of patient medical records. In this study, we evaluated the organ radiation absorbed doses from in...
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ژورنال
عنوان ژورنال: Clinical Cancer Research
سال: 2005
ISSN: 1078-0432,1557-3265
DOI: 10.1158/1078-0432.ccr-1004-0003