Abstract
19 Background: Prescribing guideline-recommended anti-emetics for the prevention of chemotherapy-induced nausea and vomiting (CINV) is an effective strategy to prevent a common treatment-related adverse effect in children, adolescents and young adults (AYAs) with cancer that impacts quality of life. The rate of guideline-concordant care (GCC) is not well-understood. Methods: Using electronic health record data Columbia University Irving Medical Center from a 3-year period, we conducted a retrospective single-institution cohort study to investigate how often children and AYAs (age 26 or less) receive GCC to prevent CINV prior to the first administration of highly-emetogenic chemotherapy. We defined GCC from the Pediatric Oncology Group of Ontario guideline for patients < 18 years and the American Society of Clinical Oncology guideline for those ≥ 18 years. Independent variables included: sex, age, insurance status, race, ethnicity, cancer type, chemotherapy regimen, clinical setting (adult or pediatric oncology), and patient location (inpatient or outpatient). Predictors of GCC were determined using multiple logistic regression. Results: Of 91 included patients, 39 (43%) received GCC. Those treated in adult oncology setting (OR 7.5, 95% CI: 2.7–20.7), receiving cisplatin-based chemotherapy (OR 3.5, CI: 1.4–8.5), or with commercial insurance (OR 2.7, CI: 1.1–6.3) were more likely to receive GCC. In multivariable analysis, patients treated in adult oncology had 6.4 higher odds (CI: 2.1–19.1, p<.001) and those receiving cisplatin 4.6 higher odds (1.6–13, p<.01) of GCC. Conclusions: Clinical setting and chemotherapy regimen independently predicted GCC for prevention of CINV in children and AYAs receiving highly-emetogenic chemotherapy. These findings can inform current efforts to optimize implementation strategies for supportive care guidelines by focusing on specific provider- and patient-level factors.
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