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Dive into the research topics where Pierre K. Isogai is active.

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Featured researches published by Pierre K. Isogai.


Journal of the National Cancer Institute | 2009

Prospective Cost-Effectiveness Analysis of Cetuximab in Metastatic Colorectal Cancer: Evaluation of National Cancer Institute of Canada Clinical Trials Group CO.17 Trial

Nicole Mittmann; Heather-Jane Au; Dongsheng Tu; Christopher J. O'Callaghan; Pierre K. Isogai; Christos Stelios Karapetis; John Zalcberg; William K. Evans; Malcolm J. Moore; Jehan Siddiqui; Brian Findlay; Bruce Colwell; John Simes; Peter Gibbs; Matthew Links; Niall C. Tebbutt; Derek J. Jonker

BACKGROUND The National Cancer Institute of Canada Clinical Trials Group CO.17 study showed that patients with advanced colorectal cancer had improved overall survival when cetuximab, an epidermal growth factor receptor-targeting antibody, was given in addition to best supportive care. We conducted a cost-effectiveness analysis using prospectively collected resource utilization and health utility data for patients in the CO.17 study who received cetuximab plus best supportive care (N = 283) or best supportive care alone (N = 274). METHODS Direct medical resource utilization data were collected, including medications, physician visits, toxicity management, blood products, emergency department visits, and hospitalizations. Mean survival times for the study arms were calculated for the entire population and for the subset of patients with wild-type KRAS tumors over an 18- to 19-month period. All costs were presented in 2007 Canadian dollars. One-way and probabilistic sensitivity analysis was used to determine the robustness of the results. Cost-effectiveness acceptability curves were determined. The 95% confidence intervals (CIs) for the incremental cost-effectiveness ratios and the incremental cost-utility ratios were estimated by use of a nonparametric bootstrapping method (with 1000 iterations). RESULTS For the entire study population, the mean improvement in overall and quality-adjusted survival with cetuximab was 0.12 years and 0.08 quality-adjusted life-years (QALYs), respectively. The incremental cost with cetuximab compared with best supportive care was


Journal of the National Cancer Institute | 2010

Economic Analysis: Randomized Placebo-Controlled Clinical Trial of Erlotinib in Advanced Non–Small Cell Lung Cancer

Penelope Ann Bradbury; Dongsheng Tu; Lesley Seymour; Pierre K. Isogai; Liting Zhu; Raymond T. Ng; Nicole Mittmann; Ming-Sound Tsao; William K. Evans; Frances A. Shepherd; Natasha B. Leighl

23,969. The incremental cost-effectiveness ratio was


Journal of Thoracic Oncology | 2010

Derivation of utility values from European Organization for Research and Treatment of Cancer Quality of Life-Core 30 questionnaire values in lung cancer.

Raymond Woo-Jun Jang; Pierre K. Isogai; Nicole Mittmann; Penelope Bradbury; Frances A. Shepherd; Ronald Feld; N. Leighl

199,742 per life-year gained (95% CI =


Journal of the National Cancer Institute | 2013

Cost-Effectiveness of Filgrastim And Pegfilgrastim as Primary Prophylaxis Against Febrile Neutropenia in Lymphoma Patients

Nina Lathia; Pierre K. Isogai; Carlo De Angelis; Thomas J. Smith; Matthew C. Cheung; Nicole Mittmann; Jeffrey S. Hoch; Scott E. Walker

125,973 to


Current Oncology | 2012

Population-based home care services in breast cancer: utilization and costs.

Nicole Mittmann; Pierre K. Isogai; Refik Saskin; Ning Liu; J. Porter; Matthew C. Cheung; N. Leighl; Jeffrey S. Hoch; Maureen E. Trudeau; William K. Evans; Katie N. Dainty; Craig C. Earle

652,492 per life-year gained) and the incremental cost-utility ratio was


Archives of Physical Medicine and Rehabilitation | 2011

Evaluation of the Cost-Effectiveness of Electrical Stimulation Therapy for Pressure Ulcers in Spinal Cord Injury

Nicole Mittmann; Brian Chan; B. Cathy Craven; Pierre K. Isogai; Pamela E. Houghton

299,613 per QALY gained (95% CI =


Value in Health | 2012

Guidelines for Health Technologies: Specific Guidance for Oncology Products in Canada

Nicole Mittmann; William K. Evans; Angela Rocchi; Christopher J. Longo; Heather-Jane Au; Don Husereau; N. Leighl; Pierre K. Isogai; Murray Krahn; Stuart Peacock; Deborah A. Marshall; Doug Coyle; Suzanne C. Malfair Taylor; Philip Jacobs; Paul Oh

187,440 to


Disease Management & Health Outcomes | 2008

Nursing Workload Associated with Hospital Patient Care

Nicole Mittmann; S.J. Seung; Luca F. Pisterzi; Pierre K. Isogai; Donna Michaels

898,201 per QALY gained). For patients with wild-type KRAS tumors, the incremental cost with cetuximab was


Medical Decision Making | 2013

Prediction of Health Preference Values from CD4 Counts in Individuals with HIV

Pierre K. Isogai; Sergio Rueda; Anita Rachlis; Sean B. Rourke; Nicole Mittmann

33,617 and mean gains in overall and quality-adjusted survival were 0.28 years and 0.18 QALYs, respectively. The incremental cost-effectiveness ratio was


Journal of Clinical Oncology | 2010

Study Inclusion Criteria and Presentation of Results in a Meta-Analysis of Granulocyte Colony-Stimulating Factor for Prevention of Febrile Neutropenia

Nina Lathia; Pierre K. Isogai; Matthew C. Cheung; Nicole Mittmann

120,061 per life-year gained (95% CI =

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Nicole Mittmann

Sunnybrook Health Sciences Centre

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Matthew C. Cheung

Sunnybrook Health Sciences Centre

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N. Leighl

University of Toronto

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Scott E. Walker

Sunnybrook Health Sciences Centre

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Craig C. Earle

Ontario Institute for Cancer Research

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Maureen E. Trudeau

Sunnybrook Health Sciences Centre

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