Title: Safety, pharmacokinetics, and preliminary clinical activity of inotuzumab ozogamicin, a novel immunoconjugate for the treatment of B-cell non-Hodgkin's lymphoma: results of a phase I study
Authors: Advani, Anjali ×
Coiffier, Bertrand
Czuczman, Myron S
Dreyling, Martin
Foran, James
Gine, Eva
Gisselbrecht, Christian
Ketterer, Nicolas
Nasta, Sunita
Rohatiner, Ama
Schmidt-Wolf, Ingo G H
Schuler, Martin
Sierra, Jorge
Smith, Mitchell R
Verhoef, Gregor
Winter, Jane N
Boni, Joseph
Vandendries, Erik
Shapiro, Mark
Fayad, Luis #
Issue Date: Apr-2010
Publisher: Grune & Stratton
Series Title: Journal of Clinical Oncology vol:28 issue:12 pages:2085-2093
Abstract: PURPOSE Inotuzumab ozogamicin (CMC-544) is an antibody-targeted chemotherapy agent composed of a humanized anti-CD22 antibody conjugated to calicheamicin, a potent cytotoxic agent. This was a phase I study to determine the maximum-tolerated dose (MTD), safety, and preliminary efficacy of inotuzumab ozogamicin in an expanded MTD cohort of patients with relapsed or refractory CD22(+) B-cell non-Hodgkin's lymphoma (NHL). PATIENTS AND METHODS Inotuzumab ozogamicin was administered intravenously as a single agent once every 3 or 4 weeks at doses ranging from 0.4 to 2.4 mg/m(2). Outcomes included MTD, safety, pharmacokinetics, response, progression-free survival (PFS), and overall survival. Results Seventy-nine patients were enrolled. The MTD was determined to be 1.8 mg/m(2). Common adverse events at the MTD were thrombocytopenia (90%), asthenia (67%), and nausea and neutropenia (51% each). The objective response rate at the end of treatment was 39% for the 79 enrolled patients, 68% for all patients with follicular NHL treated at the MTD, and 15% for all patients with diffuse large B-cell lymphoma treated at the MTD. Median PFS was 317 days (approximately 10.4 months) and 49 days for patients with follicular NHL and diffuse large B-cell lymphoma, respectively. CONCLUSION Inotuzumab ozogamicin has demonstrated efficacy against CD22(+) B-cell NHL, with reversible thrombocytopenia as the main toxicity.
ISSN: 0732-183X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hematology Section (-)
× corresponding author
# (joint) last author

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