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Evaluation and identification of protocols for safe and efficacious institutional administration of intravenous immune globulin in hypogammaglobulinemia associated with chronic lymphocytic leukemia, non-Hodgkin lymphoma, and multiple myeloma. JCO DOI: 10.1200/JCO.2018.36.30_suppl.250 Journal of Clinical Oncology 36, no. 30_suppl (October 2018) 250-250.

Abstract

Background: Hematologic malignancies effect both humoral and cell-mediated immunity. We hypothesize that for patients with Chronic Lymphocytic Leukemia (CLL), Non-Hodgkins Lymphoma (NHL), and Multiple Myeloma (MM) outcomes improve with adherence to National Comprehensive Cancer Network (NCCN) guidelines for intravenous immunoglobulin (IVIG).Our objective is to understand resource allocation and implementation of IVIG in outpatient and inpatient settings. We identified a cohort of patients with hypogammaglobulinemia for assessing incidence of sepsis, outcomes, and resource use. We initiated this project by undertaking a large descriptive study of current IVIG use. Methods: A retrospective Institutional Review Board (IRB) approved data capture was conducted covering 2016-2018. Inclusion criteria involved those on an active chemotherapy plan, age > 18 years and diagnosis of CLL, NHL, or MM. IgA deficiency, anaphylaxis to IVIG, planned chemotherapy, inherited immunodeficiency, and thymic deficiency were excluded. We considered patients to be suitable for IVIG if IgG was < 500 mg/dL for CLL and MM and < 400 mg/dL in NHL. Outcomes, number of admissions, sepsis, ICU care, infectious etiology, and monthly IgG levels were examined. Results: A preliminary i2b2 data capture identified a cohort of 563 patients that yielded 12% with bacteremia, 21% with sepsis, and 23% with pneumonia of which 87% were admitted. 28% received IVIG during the 2-year period. Of the 563, 77% were hospitalized and 21% required ICU care. 54% of ICU patients received inpatient IVIG. All influenza and parainfluenza cases were inpatient. Final data analysis will yield greater detail in comparing inpatient to outpatient IVIG use. Conclusions: Large academic institutions appear to have significant variability in use of IVIG in patients with lymphopenia and hematologic malignancies. With this data, we plan to assess for patient-level outcomes based on adherence to NCCN guidelines as a way to enhance Physician Quality Reporting System (PQRS) standards by prioritizing outpatient use of IVIG.

Author List

Doron Feinsilber, Cole McCoy, Parameswaran Hari, Patrick C. Foy, Ravi Narra, Timothy S Fenske, Nirav Niranjan Shah, Laura Christian Michaelis, Vidya Kollu, Katrina Angela Mears, Kristin Osinski, Nancy Froggatt, Ehab L. Atallah, Binod Dhakal

Author

Vidya Kollu MD Assistant Professor in the Medicine department at Medical College of Wisconsin


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