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Cited by 2,961

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Phase I Study of Single-Agent Anti–Programmed Death-1 (MDX-1106) in Refractory Solid Tumors: Safety, Clinical Activity, Pharmacodynamics, and Immunologic Correlates

Open access
Brahmer, Julie R., Drake, Charles G., Wollner, Ira, Powderly, John D., Picus, Joel, Sharfman, William H., Stankevich, Elizabeth, Pons, Alice, Salay, Theresa M., McMiller, Tracee L., Gilson, Marta M., Wang, Changyu, Selby, Mark, Taube, Janis M., Anders, Robert, Chen, Lieping, Korman, Alan J., Pardoll, Drew M., Lowy, Israel, Topalian, Suzanne L.·2010·Journal of Clinical Oncology

Abstract

Purpose: Programmed death-1 (PD-1), an inhibitory receptor expressed on activated T cells, may suppress antitumor immunity. This phase I study sought to determine the safety and tolerability of anti–PD-1 blockade in patients with treatment-refractory solid tumors and to preliminarily assess antitumor activity, pharmacodynamics, and immunologic correlates. Patients and Methods: Thirty-nine patients with advanced metastatic melanoma, colorectal cancer (CRC), castrate-resistant prostate cancer, non–small-cell lung cancer (NSCLC), or renal cell carcinoma (RCC) received a single intravenous infusion of anti–PD-1 (MDX-1106) in dose-escalating six-patient cohorts at 0.3, 1, 3, or 10 mg/kg, followed by a 15-patient expansion cohort at 10 mg/kg. Patients with evidence of clinical benefit at 3 months were eligible for repeated therapy. Results: Anti–PD-1 was well tolerated: one serious adverse event, inflammatory colitis, was observed in a patient with melanoma who received five doses at 1 mg/kg. One durable complete response (CRC) and two partial responses (PRs; melanoma, RCC) were seen. Two additional patients (melanoma, NSCLC) had significant lesional tumor regressions not meeting PR criteria. The serum half-life of anti–PD-1 was 12 to 20 days. However, pharmacodynamics indicated a sustained mean occupancy of > 70% of PD-1 molecules on circulating T cells ≥ 2 months following infusion, regardless of dose. In nine patients examined, tumor cell surface B7-H1 expression appeared to correlate with the likelihood of response to treatment. Conclusion: Blocking the PD-1 immune checkpoint with intermittent antibody dosing is well tolerated and associated with evidence of antitumor activity. Exploration of alternative dosing regimens and combinatorial therapies with vaccines, targeted therapies, and/or other checkpoint inhibitors is warranted.

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Crossref · 10.1200/jco.2009.26.7609

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Metadata

Authors
Brahmer, J. R., Drake, C. G., Wollner, I., Powderly, J. D., Picus, J., Sharfman, W. H., Stankevich, E., Pons, A., Salay, T. M., McMiller, T. L., Gilson, M. M., Wang, C., Selby, M., Taube, J. M., Anders, R., Chen, L., Korman, A. J., Pardoll, D. M., Lowy, I., & Topalian, S. L.
Venue
Journal of Clinical Oncology
Published
2010-07-01
Volume
28
Issue
19
Pages
3167-3175
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W2010121426
Cited by
2,961
References
6
FWCI
65.68
Type
journal article
Language
en
Open access
bronze

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