Background Metastatic breast cancer (MBC) treatment has changed substantially over time,
but we do not know whether survival post-metastasis has improved at the population level …

The growing amount of data in operational electronic health record systems provides
unprecedented opportunity for its reuse for many tasks, including comparative effectiveness …

Cancer recurrence and disease-free survival are key outcomes for measuring the burden of
illness, assessing the quality of cancer care, and informing decisions about increasingly …

Objectives Most population-based cancer databases lack information on metastatic
recurrence. Electronic medical records (EMR) and cancer registries contain complementary …

Research in oncology quality of care and health outcomes has been limited by the difficulty
of identifying cancer stage in health care claims data. Using linked cancer registry and …

Background: Administrative health care claims data are used for epidemiologic, health
services, and outcomes cancer research and thus play a significant role in policy. Cancer …

Purpose: Although studies have evaluated the risk and consequences of febrile neutropenia
(FN) among patients receiving cancer chemotherapy in US clinical practice, none have …

Purpose Researchers are using diagnosis codes from health claims to identify metastatic
disease in cancer patients. The validity of this approach has not been established. Methods …

Methods: We developed algorithms to detect the presence and timing of recurrence after
definitive therapy for stages I–III lung and colorectal cancer using 2 data sources that contain …

The radiation oncology community has witnessed growing interest in observational research
conducted using large-scale data sources such as registries and claims-based data sets …