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Jeffrey Crawford, David C. Dale, Nicole M. Kuderer, Eva Culakova, Marek S. Poniewierski, Debra Wolff and Gary H. Lyman

This study was undertaken to describe the relationship between the occurrence and timing of neutropenic events and chemotherapy treatment in a community-based population of patients with cancer. The study included 2962 patients with breast, lung, colorectal, lymphoma, and ovarian cancers from a prospective U.S. registry of patients initiating a new chemotherapy regimen. Detailed patient-, disease-, and treatment-related data, including toxicities, were captured at baseline, the beginning of each cycle, and each midcycle blood draw for up to 4 cycles of treatment. Primary outcomes included febrile neutropenia (FN), severe neutropenia without fever/infection, and relative dose intensity (RDI). Thirty-seven percent of patients were aged 65 years or older, 43.5% had an Eastern Cooperative Oncology Group performance status of 1 or greater, and 27% had 1 or more comorbidities. Reductions in RDI to less than 85% of standard in the first cycle were planned in 23.6% of patients, whereas primary colony-stimulating factor prophylaxis was used in 18.2%. In the first 3 cycles of treatment, 10.7% of patients experienced FN, with most of these events (58.9%) occurring in the first cycle. This first-cycle pattern was consistently observed despite wide variations in event rates by tumor type, disease stage, chemotherapy regimen and dose, and patient characteristics. Despite frequent planned reductions from standard RDI, the incidence of FN remains high in community oncology practice in the United States. Improved methods of pretreatment assessment of patient risk factors for neutropenia are needed.

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Michael B. Streiff, Paula L. Bockenstedt, Spero R. Cataland, Carolyn Chesney, Charles Eby, John Fanikos, Annemarie E. Fogerty, Shuwei Gao, Samuel Z. Goldhaber, Hani Hassoun, Paul Hendrie, Bjorn Holmstrom, Nicole Kuderer, Jason T. Lee, Michael M. Millenson, Anne T. Neff, Thomas L. Ortel, Tanya Siddiqi, Judy L. Smith, Gary C. Yee, Anaadriana Zakarija, Nicole McMillian and Maoko Naganuma

Venous thromboembolism (VTE) remains a common and life-threatening complication among patients with cancer. Thromboprophylaxis can be used to prevent the occurrence of VTE in patients with cancer who are considered at high risk for developing this complication. Therefore, it is critical to recognize the various risk factors for VTE in patients with cancer. Risk assessment tools are available to help identify patients for whom discussions regarding the potential benefits and risks of thromboprophylaxis would be appropriate. The NCCN Clinical Practice Guidelines in Oncology for VTE provide recommendations on risk evaluation, diagnosis, prevention, and treatment of VTE in patients with cancer.

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Michael B. Streiff, Paula L. Bockenstedt, Spero R. Cataland, Carolyn Chesney, Charles Eby, John Fanikos, Patrick F. Fogarty, Shuwei Gao, Julio Garcia-Aguilar, Samuel Z. Goldhaber, Hani Hassoun, Paul Hendrie, Bjorn Holmstrom, Kimberly A. Jones, Nicole Kuderer, Jason T. Lee, Michael M. Millenson, Anne T. Neff, Thomas L. Ortel, Judy L. Smith, Gary C. Yee and Anaadriana Zakarija

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Michael B. Streiff, Bjorn Holmstrom, Aneel Ashrani, Paula L. Bockenstedt, Carolyn Chesney, Charles Eby, John Fanikos, Randolph B. Fenninger, Annemarie E. Fogerty, Shuwei Gao, Samuel Z. Goldhaber, Paul Hendrie, Nicole Kuderer, Alfred Lee, Jason T. Lee, Mirjana Lovrincevic, Michael M. Millenson, Anne T. Neff, Thomas L. Ortel, Rita Paschal, Sanford Shattil, Tanya Siddiqi, Kristi J. Smock, Gerald Soff, Tzu-Fei Wang, Gary C. Yee, Anaadriana Zakarija, Nicole McMillian and Anita M. Engh

The NCCN Guidelines for Cancer-Associated Venous Thromboembolic Disease outline strategies for treatment and prevention of venous thromboembolism (VTE) in adult patients with a diagnosis of cancer or for whom cancer is clinically suspected. VTE is a common complication in patients with cancer, which places them at greater risk for morbidity and mortality. Therefore, risk-appropriate prophylaxis is an essential component for the optimal care of inpatients and outpatients with cancer. Critical to meeting this goal is ensuring that patients get the most effective medication in the correct dose. Body weight has a significant impact on blood volume and drug clearance. Because obesity is a common health problem in industrialized societies, cancer care providers are increasingly likely to treat obese patients in their practice. Obesity is a risk factor common to VTE and many cancers, and may also impact the anticoagulant dose needed for safe and effective prophylaxis. These NCCN Guidelines Insights summarize the data supporting new dosing recommendations for VTE prophylaxis in obese patients with cancer.