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1524 Background: Reports suggested cancer patients were at greater risk for increased morbidity and mortality from COVID-19. A process to mitigate these risks was established at Levine Cancer Institute (LCI) in partnership with Atrium Health’s (AH) Hospital at Home (HAH) initiative. This virtual health navigation process employed expertise from the departments of Hematologic Oncology and Blood Disorders, Oncology, and Supportive Oncology, including a specialized nurse navigation team, to rapidly identify COVID-19 positive LCI patients, monitor them under physician supervision, and escalate care as needed with AH HAH program. Methods: AH Information Services created an automated list of LCI COVID-19 positive patients with a daily database. Each patient was reviewed by a nurse navigator. Review included hematologic or oncologic diagnosis, outpatient or inpatient status, and any COVID-19 symptoms. Once a malignant diagnosis was confirmed, a diagnosis-specific navigator contacted and screened the patient with a COVID assessment tool. Documentation was forwarded to the primary oncologist/hematologist. The tool scored patients for surveillance and treatment needs. A score of 0-2 prompted phone assessment every 48-72 hours, and score of 3-5 required every 24-48 hour calls with physician involvement when appropriate. If score of ≥6, care was escalated to LCI nurse/physician for admission to AH acute care HAH or conventional inpatient admission. Results: From inception on 3/20/2020 to data review date of 12/2/2020, 974 LCI patients were identified as COVID-19 positive and reviewed for nurse navigation (Table). Of the 974, 488 were navigated. Given limited resources, patients with benign conditions were not assigned a navigator, though a similar process was created for sickle cell disease. Of the 974, 75 are now deceased. Only 25 are deceased among the 488 navigated. Conclusions: The COVID-19 pandemic presented unprecedented circumstances to our patients and their clinicians. LCI expeditiously put policies and procedures in place to mitigate the intersection of COVID-19 and cancer. The multidisciplinary response strategy liaising between AH HAH and LCI followed, assessed, and assisted LCI COVID-19 positive patients. With our embedded nurse navigation team’s specialized attention along with enhanced physician oversight and close collaboration with AH HAH, opportunities for care escalation or adjustments in cancer-focused care were promptly identified. Analysis is ongoing to elucidate the lower mortality rate observed among navigated patients.[Table: see text]

Hydroxyurea (hydroxycarbamide, HU) is currently the only FDA-approved disease-modifying agent for individuals with sickle cell disease. Despite its efficacy in multicentered, randomized, placebo-controlled studies, HU remains highly underutilized among the sickle cell population. Several barriers to the use of HU have been identified including the need for frequent laboratory monitoring and physician visits. This study aimed to better assess the stability of patients' hematologic parameters when compliant with HU therapy to better determine the necessity of frequent routine laboratory monitoring. We conducted a retrospective review of 20 patients taking HU with record of good compliance. The within-subject coefficient of variation was computed as a measure of subject variability to better assess the stability of individual patients' blood counts to evaluate potential hematologic toxicity in subjects taking HU. Results demonstrated that during routine laboratory appointments, individuals' variability was very consistent; therefore assessment of significant change may be more accurately detected by individual symptomatology. Decreasing the stringency of the requirements for routine laboratory monitoring for patients on HU is unlikely to cause physicians to miss critical nadirs in absolute neutrophil count (or other laboratory values) and may lead to improved acceptance and use of this disease-modifying therapy in sickle cell disease.