期刊
JOURNAL OF CLINICAL ONCOLOGY
卷 28, 期 33, 页码 4969-4975出版社
AMER SOC CLINICAL ONCOLOGY
DOI: 10.1200/JCO.2009.27.8861
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类别
资金
- National Institutes of Health (NIH)/National Cancer Institute (NCI) [U10CA98543, U10 CA98413, R01-CA-32685-25, CA87025, CA81403, RR03186]
- Midwest Athletes for Childhood Cancer Fund
- Crawdaddy Foundation
- Evan Dunbar Foundation
- EMD Pharmaceuticals
Purpose The hu14.18-IL2 fusion protein consists of interleukin-2 molecularly linked to a humanized monoclonal antibody that recognizes the GD2 disialoganglioside expressed on neuroblastoma cells. This phase II study assessed the antitumor activity of hu14.18-IL2 in two strata of patients with recurrent or refractory neuroblastoma. Patients and Methods Hu14.18-IL2 was given intravenously (12 mg/m(2)/daily) for 3 days every 4 weeks for patients with disease measurable by standard radiographic criteria (stratum 1) and for patients with disease evaluable only by [I-123] metaiodobenzylguanidine (MIBG) scintigraphy and/or bone marrow (BM) histology (stratum 2). Response was established by independent radiology review as well as BM histology and immunocytology, and durability was assessed by repeat evaluation after more than 3 weeks. Results Thirty-nine patients were enrolled (36 evaluable). No responses were seen in stratum 1 (n = 13). Of 23 evaluable patients in stratum 2, five patients (21.7%) responded; all had a complete response (CR) of 9, 13, 20, 30, and 35+ months duration. Grade 3 and 4 nonhematologic toxicities included capillary leak, hypoxia, pain, rash, allergic reaction, elevated transaminases, and hyper-bilirubinemia. Two patients required dopamine for hypotension, and one patient required ventilatory support for hypoxia. Most toxicities were reversible within a few days of completing a treatment course and were expected based on phase I results. Conclusion Patients with disease evaluable only by MIBG and/or BM histology had a 21.7% CR rate to hu14.8-IL2, whereas patients with bulky disease did not respond. Hu14.18-IL2 warrants further testing in children with nonbulky high-risk neuroblastoma. J Clin Oncol 28:4969-4975. (C) 2010 by American Society of Clinical Oncology
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