Kim Cannavale1, Hairong Xu2, Lanfang Xu3, Olivia Sattayapiwat1, Roberto Rodriguez4, Chet Bohac5, John Page6, Chun Chao1. 1. Department of Research and Evaluation, Pasadena, CA. 2. Atara Biotherapeutics, Thousand Oaks, CA. 3. Medhealth Statistical Consulting Inc, Solon, Ohio. 4. Department of Hematology Oncology, Los Angeles Medical Center, CA. 5. Immune Design Corporation, San Francisco, CA. 6. Amgen Inc, Thousand Oaks, CA.
Abstract
INTRODUCTION: Anemia is a common adverse effect of myelosuppressive chemotherapy, and the development of chemotherapy-induced anemia (CIA) is more common in patients with hematologic malignant tumors. OBJECTIVE: To assess the incidence and treatment pattern of CIA in patients diagnosed with non-Hodgkin lymphoma (NHL) from a large managed care organization in California. METHODS: Patients diagnosed with NHL between 2010 and 2012 were studied to provide an updated picture of CIA in current hematology-oncology practice. Trends in anemia treatment patterns were examined from 2000 to 2013. All data were collected from Kaiser Permanente Southern California electronic health records. RESULTS: Of 699 chemotherapy-treated patients with NHL diagnosed between 2010 and 2012, 36.9% and 11.6% developed moderate (hemoglobin < 10 g/dL) and severe (hemoglobin < 8 g/dL) CIA during chemotherapy, respectively. Proportions of moderate CIA events treated with erythropoiesis-stimulating agents (ESAs) decreased from 2000 to 2013: 34% in phase 1 (January 1, 2000, to December 31, 2006), 22% in phase 2 (January 1, 2007, to March 24, 2010), and 6% in phase 3 (March 25, 2010, to June 30, 2013). An increasing trend of red blood cell transfusion was observed: 12% in phase 1, 22% in phase 2, and 27% in phase 3. Similar calendar trends were observed for management of severe CIA events. DISCUSSION: In contrast to previous European reports, we note a higher incidence of CIA in patients with NHL in this US community practice setting. CONCLUSION: Moderate to severe CIA is common in patients with NHL receiving chemotherapy. Multiple ESA-related policy changes occurred from 2000 to 2013. A large proportion of CIA episodes were currently not treated with ESA, and transfusions have become more common. Further studies are needed to determine associations between CIA symptom burden and CIA treatment as they relate to patient outcomes and quality of life.
INTRODUCTION:Anemia is a common adverse effect of myelosuppressive chemotherapy, and the development of chemotherapy-induced anemia (CIA) is more common in patients with hematologic malignant tumors. OBJECTIVE: To assess the incidence and treatment pattern of CIA in patients diagnosed with non-Hodgkin lymphoma (NHL) from a large managed care organization in California. METHODS:Patients diagnosed with NHL between 2010 and 2012 were studied to provide an updated picture of CIA in current hematology-oncology practice. Trends in anemia treatment patterns were examined from 2000 to 2013. All data were collected from Kaiser Permanente Southern California electronic health records. RESULTS: Of 699 chemotherapy-treated patients with NHL diagnosed between 2010 and 2012, 36.9% and 11.6% developed moderate (hemoglobin < 10 g/dL) and severe (hemoglobin < 8 g/dL) CIA during chemotherapy, respectively. Proportions of moderate CIA events treated with erythropoiesis-stimulating agents (ESAs) decreased from 2000 to 2013: 34% in phase 1 (January 1, 2000, to December 31, 2006), 22% in phase 2 (January 1, 2007, to March 24, 2010), and 6% in phase 3 (March 25, 2010, to June 30, 2013). An increasing trend of red blood cell transfusion was observed: 12% in phase 1, 22% in phase 2, and 27% in phase 3. Similar calendar trends were observed for management of severe CIA events. DISCUSSION: In contrast to previous European reports, we note a higher incidence of CIA in patients with NHL in this US community practice setting. CONCLUSION: Moderate to severe CIA is common in patients with NHL receiving chemotherapy. Multiple ESA-related policy changes occurred from 2000 to 2013. A large proportion of CIA episodes were currently not treated with ESA, and transfusions have become more common. Further studies are needed to determine associations between CIA symptom burden and CIA treatment as they relate to patient outcomes and quality of life.
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