Safety profile of Pertuzumab with Trastuzumab and Docetaxel in patients from Asia with human epidermal growth factor receptor 2-positive metastatic breast cancer: results from the phase III trial CLEOPATRA.

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Citation: Oncologist. 19(7):693-701, 2014 Jul.PMID: 24869931Institution: Washington Cancer InstituteForm of publication: Journal ArticleSubject headings: *Antineoplastic Combined Chemotherapy Protocols/ae [Adverse Effects] | *Antineoplastic Combined Chemotherapy Protocols/tu [Therapeutic Use] | *Breast Neoplasms/dt [Drug Therapy] | *Receptor, ErbB-2/me [Metabolism] | Adult | Aged | Aged, 80 and over | Antibodies, Monoclonal, Humanized/ad [Administration & Dosage] | Antibodies, Monoclonal, Humanized/ae [Adverse Effects] | Biomarkers, Pharmacological | Breast Neoplasms/en [Enzymology] | Double-Blind Method | Female | Humans | Middle Aged | Taxoids/ad [Administration & Dosage] | Taxoids/ae [Adverse Effects] | Treatment OutcomeYear: 2014Local holdings: Available online from MWHC library: 1996 - presentISSN:
  • 1083-7159
Name of journal: The oncologistAbstract: CONCLUSION: Despite a higher proportion of docetaxel dose reductions in patients from Asia, survival benefits were comparable between regions. The benefit-risk profile of pertuzumab, trastuzumab, and docetaxel supports this regimen as the first-line therapy for patients with HER2-positive metastatic breast cancer from all geographic regions.Copyright ©AlphaMed Press.INTRODUCTION: We report detailed safety analyses by geographic region from the phase III study CLEOPATRA with pertuzumab, trastuzumab, and docetaxel in patients with human epidermal growth factor receptor 2 (HER2)-positive first-line metastatic breast cancer.PATIENTS AND METHODS: Patients received pertuzumab/placebo at 840 mg in cycle 1 and 420 mg in subsequent cycles, and trastuzumab at 8 mg/kg in cycle 1 and 6 mg/kg in subsequent cycles; docetaxel was initiated at 75 mg/m(2). All study drugs were given intravenously, 3 times weekly.RESULTS: Docetaxel dose reductions below 75 mg/m(2) were more common in patients from Asia (47.0%) than other regions (13.4%); docetaxel dose escalations to 100 mg/m(2) were less frequent in Asia (2.4%) than other regions (18.7%). Rates of edema (26.1% and 5.4% for Asia and other regions, respectively), myalgia (42.3%, 14.7%), nail disorder (39.9%, 15.1%), febrile neutropenia (18.6%, 7.1%), upper respiratory tract infection (25.7%, 10.2%), decreased appetite (47.0%, 19.1%), and rash (44.3%, 22.0%) were at least twice as high in Asia as in other regions. Adverse events did not result in a reduction in the median number of study treatment cycles administered in patients from Asia. Efficacy analyses per region showed hazard ratios similar to those of the whole intention-to-treat (ITT) population for progression-free survival (ITT: 0.63; Asia: 0.68; other regions: 0.61) and overall survival (ITT: 0.66; Asia: 0.64; other regions: 0.66).All authors: Baselga J, Chan V, Clark E, Im SA, Im YH, Knott A, Miles D, Ross G, Swain SMFiscal year: FY2015Digital Object Identifier: Date added to catalog: 2015-06-03
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Journal Article MedStar Authors Catalog Article 24869931 Available 24869931

Available online from MWHC library: 1996 - present

CONCLUSION: Despite a higher proportion of docetaxel dose reductions in patients from Asia, survival benefits were comparable between regions. The benefit-risk profile of pertuzumab, trastuzumab, and docetaxel supports this regimen as the first-line therapy for patients with HER2-positive metastatic breast cancer from all geographic regions.Copyright ©AlphaMed Press.

INTRODUCTION: We report detailed safety analyses by geographic region from the phase III study CLEOPATRA with pertuzumab, trastuzumab, and docetaxel in patients with human epidermal growth factor receptor 2 (HER2)-positive first-line metastatic breast cancer.

PATIENTS AND METHODS: Patients received pertuzumab/placebo at 840 mg in cycle 1 and 420 mg in subsequent cycles, and trastuzumab at 8 mg/kg in cycle 1 and 6 mg/kg in subsequent cycles; docetaxel was initiated at 75 mg/m(2). All study drugs were given intravenously, 3 times weekly.

RESULTS: Docetaxel dose reductions below 75 mg/m(2) were more common in patients from Asia (47.0%) than other regions (13.4%); docetaxel dose escalations to 100 mg/m(2) were less frequent in Asia (2.4%) than other regions (18.7%). Rates of edema (26.1% and 5.4% for Asia and other regions, respectively), myalgia (42.3%, 14.7%), nail disorder (39.9%, 15.1%), febrile neutropenia (18.6%, 7.1%), upper respiratory tract infection (25.7%, 10.2%), decreased appetite (47.0%, 19.1%), and rash (44.3%, 22.0%) were at least twice as high in Asia as in other regions. Adverse events did not result in a reduction in the median number of study treatment cycles administered in patients from Asia. Efficacy analyses per region showed hazard ratios similar to those of the whole intention-to-treat (ITT) population for progression-free survival (ITT: 0.63; Asia: 0.68; other regions: 0.61) and overall survival (ITT: 0.66; Asia: 0.64; other regions: 0.66).

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