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A phase IIa dose-finding and safety study of first-line pertuzumab in combination with trastuzumab, capecitabine and cisplatin in patients with HER2-positive advanced gastric cancer

Cited 63 time in Web of Science Cited 63 time in Scopus
Authors
Kang, Y-K; Rha, S. Y.; Tassone, P.; Barriuso, J.; Yu, R.; Szado, T.; Garg, A.; Bang, Yung-Jue
Issue Date
2014-08
Citation
British Journal of Cancer, Vol.111 No.4, pp.660-666
Keywords
advanced gastric cancerHER2pertuzumabpharmacokineticstrastuzumab
Abstract
Background: Pertuzumab plus trastuzumab provides a more comprehensive blockade of HER2 signalling than trastuzumab alone. Therefore, we conducted a phase IIa study of the pharmacokinetics and safety of pertuzumab plus trastuzumab and chemotherapy in advanced gastric cancer (aGC). Methods: Patients received pertuzumab 840 mg for cycle 1 and 420 mg q3w for cycles 2-6 (Arm A) or pertuzumab 840 mg q3w for six cycles (Arm B). Trastuzumab, cisplatin and capecitabine were also given for six cycles, then trastuzumab q3w until disease progression or unmanageable toxicity. The co-primary endpoints were day 43 pertuzumab serum trough concentration (C-min) and safety. Results: Thirty patients were randomised. Mean pertuzumab C-min at day 43 was 40.0 mu g ml(-1) (s.d.: 17.3) in Arm A and 62.7 mu g ml(-1) (29.1) in Arm B. Mean day 43 C-min in Arm A was similar to 37% lower than that seen in metastatic breast cancer. The safety profiles were similar between arms and treatment was well tolerated. Partial responses were achieved by 86% and 55% of patients in Arms A and B, respectively. Conclusions: On the basis of the pharmacokinetic and safety data, the 840 mg q3w pertuzumab dose has been selected for a phase III study of pertuzumab, trastuzumab and chemotherapy in HER2-positive aGC.
ISSN
0007-0920
URI
https://hdl.handle.net/10371/173000
DOI
https://doi.org/10.1038/bjc.2014.356
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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