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Disparities in cancer treatment delays or discontinuation among cancer patients diagnosed with SARS-CoV-2 infection: An analysis of the U.S. ASCO COVID-19 and cancer registry
Cancer Research ; 82(12), 2022.
Article in English | EMBASE | ID: covidwho-1986487
ABSTRACT

Background:

Due to societal factors in the US, racial/ethnic minority adults are disproportionately impacted by the COVID-19 pandemic, particularly those with existing comorbid conditions such as cancer. It is currently unknown whether disparities exist in cancer treatment delivery among racial/ethnic minority patients with cancer and SARS-CoV-2.

Methods:

Data were obtained from the ASCO COVID-19 and Cancer Registry (March 2020-July 2021), including data from cancer patients diagnosed with SARS-CoV-2 during their care (n=3193) at 60 practices across the US. Data included patient demographics, SARS-CoV-2 diagnosis and treatment, cancer clinical characteristics, and modifications to cancer treatment plans. Cancer treatment delay or discontinuation (TDD) was defined as any treatment postponed more than two weeks from the original scheduled date. We descriptively evaluated demographic and clinical characteristics, compared disparities in TDD by race/ethnicity and urban/rural residency, and evaluated reasons for TDD as reported by the clinics. We computed adjusted odds ratios (aOR) using multivariable logistic regression, accounting for non-independence of patients within hospitals to evaluate racial/ethnic disparities of TDD. Multivariable models were adjusted for age, sex, body mass index, number of comorbidities, cancer type, cancer extent, cancer status at SARS-CoV-2 diagnosis (progressing/stable) and SARS-CoV-2 severity (death/hospitalization/ICU admission/mechanical ventilation).

Results:

Cancer patients with SARS-CoV-2were mostly female (57%), urban residents (84%), and NH-White (66%);49% were 65+ years old. Most patients had solid tumors (75%). At SARS-CoV-2 diagnosis, 2403 patients (76%) were scheduled to receive drug-based therapy (69%), radiation therapy (7%), surgery (4%), or transplant (0.7%), of whom 49% experienced TDD. The most reported TDD reason from the clinic perspective was the patient's COVID-19 disease (90%). Overall, NH-Black (64%) and Hispanic (57%) with SARS-CoV-2 were more likely to experience TDD versus NH-White adults (46%) (p<0.001). This disparity was also observed across urban residing adults (p<0.001). Among rural adults, NH-AI/AN (75%) and NH-Black (61%) were more likely to experience TDD versus NH-White patients (39%). In multivariable analyses, disparities persisted, by NH-Black cancer patients with 92% (aOR1.92, 95% CI1.24-2.96) and Hispanic patients with 41% (aOR1.41, 95% CI1.03-1.91) higher odds of experiencing TDD. We observed consistent results among urban and rural subgroups.

Conclusion:

Racial/ethnic disparities exist in TDD among cancer patients with SARS-CoV-2 in urban and rural care settings. Future studies should evaluate the impacts of delays to cancer treatment delivery on cancer outcomes among minoritized communities in the US.
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Full text: Available Collection: Databases of international organizations Database: EMBASE Language: English Journal: Cancer Research Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: EMBASE Language: English Journal: Cancer Research Year: 2022 Document Type: Article