Abstract
Abstract Background: The All of Us Research Program (AoURP) dataset was used to evaluate pharmacological treatment modalities in patients with both breast cancer (BC) and sickle cell disease (SCD). This study aims to identify treatment strategies for sickle cell patients with BC that may inform improved treatment options for patients living with either or both conditions, as there is an imminent need in this patient population. Methods: We investigated the relationship between SCD and BC using the AoURP dataset. Criteria were female patients with a confirmed diagnosis of concomitant SCD and BC were selected. Hematologic, antineoplastics, and immunomodulating agents prescribed to patients were identified. Analysis was conducted in a Jupyter Notebook environment by way of R. Using FDA-approved and off-label indications, medication use patterns were used to reverse-engineer patient information and identify trends between SCD and BC. Results: Nine female patients had concomitant diagnoses of SCD and BC, which aligned with the inclusion criteria. African Americans were significantly represented in this cohort, making up sixty-seven of patients. Twenty-two percent of patients did not indicate race, while eleven percent of patients identified as Caucasian. All patients included in the study were prescribed anemic therapy. Eleven percent of patients were prescribed an FDA-approved medication for SCD. Seventy-eight percent of patients were prescribed hormone-targeted BC medications. Thirty-three percent of patients were prescribed the immunotherapy regimen, Dinutuximab with adjunctive interferon-alpha. Eleven percent of patients were prescribed cytotoxic therapy. Conclusion: Further investigation is warranted for dinutuximab use in BC treatment, specifically the triple negative subtype, as currently no targeted therapeutic options exist, and prognosis is poor. The data suggests dinutuximab with adjunctive interferon-alpha may be promising for triple-negative BC patients with SCD. Citation Format: Ivan T. Jubilee, Lauren K. Evans, KiTani Parker Lemieux. Evaluation of the association between sickle cell disease and breast cancer using the All of Us Research Program dataset [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 3470.
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