ImportanceCytokine storm due to COVID-19 can cause high morbidity and mortality and may be more common in patients with cancer treated with immunotherapy (IO) due to immune system activation.ObjectiveTo determine the association of baseline immunosuppression and/or IO-based therapies with COVID-19 severity and cytokine storm in patients with cancer.Design, Setting, and ParticipantsThis registry-based retrospective cohort study included 12 046 patients reported to the COVID-19 and Cancer Consortium (CCC19) registry from March 2020 to May 2022. The CCC19 registry is a centralized international multi-institutional registry of patients with COVID-19 with a current or past diagnosis of cancer. Records analyzed included patients with active or previous cancer who had a laboratory-confirmed infection with SARS-CoV-2 by polymerase chain reaction and/or serologic findings.ExposuresImmunosuppression due to therapy; systemic anticancer therapy (IO or non-IO).Main Outcomes and MeasuresThe primary outcome was a 5-level ordinal scale of COVID-19 severity: no complications; hospitalized without requiring oxygen; hospitalized and required oxygen; intensive care unit admission and/or mechanical ventilation; death. The secondary outcome was the occurrence of cytokine storm.ResultsThe median age of the entire cohort was 65 years (interquartile range [IQR], 54-74) years and 6359 patients were female (52.8%) and 6598 (54.8%) were non-Hispanic White. A total of 599 (5.0%) patients received IO, whereas 4327 (35.9%) received non-IO systemic anticancer therapies, and 7120 (59.1%) did not receive any antineoplastic regimen within 3 months prior to COVID-19 diagnosis. Although no difference in COVID-19 severity and cytokine storm was found in the IO group compared with the untreated group in the total cohort (adjusted odds ratio [aOR], 0.80; 95% CI, 0.56-1.13, and aOR, 0.89; 95% CI, 0.41-1.93, respectively), patients with baseline immunosuppression treated with IO (vs untreated) had worse COVID-19 severity and cytokine storm (aOR, 3.33; 95% CI, 1.38-8.01, and aOR, 4.41; 95% CI, 1.71-11.38, respectively). Patients with immunosuppression receiving non-IO therapies (vs untreated) also had worse COVID-19 severity (aOR, 1.79; 95% CI, 1.36-2.35) and cytokine storm (aOR, 2.32; 95% CI, 1.42-3.79).Conclusions and RelevanceThis cohort study found that in patients with cancer and COVID-19, administration of systemic anticancer therapies, especially IO, in the context of baseline immunosuppression was associated with severe clinical outcomes and the development of cytokine storm.Trial RegistrationClinicalTrials.gov Identifier: NCT04354701

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Background Organ transplant recipients (OTR) are less protected from vaccination than immunocompetent hosts. Additional vaccine doses have shown increased immunogenicity. Few studies assessed their clinical efficacy, particularly against Omicron variants, since most included patients from earlier phases of the pandemic, with higher base mortality rates. Methods We studied adult OTR who had COVID-19 between 12/15/21 and 5/25/22. We compared clinical outcomes between those who had received 2 or ≥3 doses of an mRNA vaccine and concurrent unvaccinated controls. Results Among 103 OTR, vaccination was associated with lower 90-day mortality (unvaccinated vs. 2 vs. ≥3 doses: 25% vs. 7% vs. 3%, P = 0.003), hospital (unvaccinated vs. 2 vs. ≥3 doses: 56% vs. 37% vs. 27%, P = 0.018) or ICU (unvaccinated vs. 2 vs. ≥3 doses: 25% vs. 15% vs. 3%, P = 0.001) admission rates, and peak O2 requirements (ordinal scale Kendall’s tau b=-0.309 [lower scores, i.e., O2 requirements with more vaccine doses], P = 0.003). Age (>60 years adjusted hazard ratio [aHR] 7.73, P = 0.016), administration of anti-spike monoclonal antibody (aHR 0.17, P = 0.042) and vaccination, especially with ≥3 doses (aHR 0.105, P = 0.01), were independently associated with 90-day mortality. Black (P = 0.021) or Hispanic (P = 0.016) OTR were underrepresented among the vaccinated, especially in the ≥3 dose group. Conclusions Despite lower mRNA vaccine efficacy in OTR and against Omicron variants, vaccination protects this vulnerable patient population from severe COVID-19 and death. Ethnic and racial disparities in healthcare have been exacerbated by the COVID-19 pandemic and warrant better community outreach efforts.

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Introduction COVID-19 particularly impacted patients with co-morbid conditions, including cancer. Patients with melanoma have not been specifically studied in large numbers. Here, we sought to identify factors that associated with COVID-19 severity among patients with melanoma, particularly assessing outcomes of patients on active targeted or immune therapy. Methods Using the COVID-19 and Cancer Consortium (CCC19) registry, we identified 307 patients with melanoma diagnosed with COVID-19. We used multivariable models to assess demographic, cancer-related, and treatment-related factors associated with COVID-19 severity on a 6-level ordinal severity scale. We assessed whether treatment was associated with increased cardiac or pulmonary dysfunction among hospitalized patients and assessed mortality among patients with a history of melanoma compared with other cancer survivors. Results Of 307 patients, 52 received immunotherapy (17%), and 32 targeted therapy (10%) in the previous 3 months. Using multivariable analyses, these treatments were not associated with COVID-19 severity (immunotherapy OR 0.51, 95% CI 0.19 – 1.39; targeted therapy OR 1.89, 95% CI 0.64 – 5.55). Among hospitalized patients, no signals of increased cardiac or pulmonary organ dysfunction, as measured by troponin, brain natriuretic peptide, and oxygenation were noted. Patients with a history of melanoma had similar 90-day mortality compared with other cancer survivors (OR 1.21, 95% CI 0.62 – 2.35). Conclusions Melanoma therapies did not appear to be associated with increased severity of COVID-19 or worsening organ dysfunction. Patients with history of melanoma had similar 90-day survival following COVID-19 compared with other cancer survivors.

Patients with cancer have many comorbidities that increase their risk of death from Coronavirus disease 2019 (COVID-19). Anti-spike monoclonal antibodies (mAbs) reduce the risk of hospitalization or death from COVID-19 in the general population. To our knowledge, no studies have focused on the clinical efficacy of mAbs compared to no outpatient treatment exclusively among patients with solid tumors and hematologic malignancies, who are often excluded from clinical trials. We studied patients with cancer who had COVID-19 between 11.9.2020 and 7.21.2022 and received mAbs in an outpatient setting. We compared hospitalization and mortality rates to those of patients with cancer concurrently diagnosed with COVID-19, who were eligible for mAbs, but did not receive any outpatient treatment. 63 patients received mAbs and 89 no outpatient treatment. Administration of mAbs was associated with lower 90-day hospitalization (20.6% vs. 60.7%, p <0.001), all-cause (6.3% vs. 19.1%, p 0.025) and COVID-19-attributed (3.2% vs. 14.6%, p 0.019) mortality rates, and lower peak O 2 requirements (ordinal Odds Ratio [OR] = 0.33, 95% Confidence Intervals [CI] = 0.20–0.53). Administration of mAbs (aHR 0.21, p <0.001), age (≥ 60 years, adjusted Hazard Ratio [aHR] 1.86, p =0.033), and metastases (aHR 0.41, p 0.007) were independently associated with hospitalization. mAb treatment remained significantly associated with all-cause (aHR 0.27, p 0.019) and COVID-19-attributed (aHR 0.19, p 0.031) mortality, after adjustment for other factors. mAb administration was associated with improved clinical outcomes among vulnerable patients with cancer and COVID-19. With no mAbs approved currently for treatment against the prevalent circulating variants, the development of new mAbs should be a research priority.

Background: Patients with cancer have many comorbidities that increase their risk of death from Coronavirus disease 2019 (COVID-19). Anti-spike monoclonal antibodies (mAbs) reduce the risk of hospitalization or death from COVID-19 in the general population. To our knowledge, no studies have focused on the clinical efficacy of mAbs compared to no outpatient treatment exclusively among patients with solid tumors and hematologic malignancies, who are often excluded from clinical trials. Methods: We studied patients with cancer who had COVID-19 between 11.9.2020 and 7.21.2022 and received mAbs in an outpatient setting. We compared hospitalization and mortality rates to those of patients with cancer concurrently diagnosed with COVID-19, who were eligible for mAbs, but did not receive any outpatient treatment. Results: 63 patients received mAbs and 89 no outpatient treatment. Administration of mAbs was associated with lower 90-day hospitalization (20.6% vs. 60.7%, p<0.001), all-cause (6.3% vs. 19.1%, p=0.025) and COVID-19-attributed (3.2% vs. 14.6%, p=0.019) mortality rates, and lower peak O2 requirements (ordinal Odds Ratio [OR]=0.33, 95%Confidence Intervals [CI]=0.20-0.53). Administration of mAbs (aHR 0.21, p<0.001), age (≥ 60 years, adjusted Hazard Ratio [aHR] 1.86, p=0.033), and metastases (aHR 0.41, p=0.007) were independently associated with hospitalization. mAb treatment remained significantly associated with all-cause (aHR 0.27, p=0.019) and COVID-19-attributed (aHR 0.19, p=0.031) mortality, after adjustment for other factors. Conclusions: mAb administration was associated with improved clinical outcomes among vulnerable patients with cancer and COVID-19. With no mAbs approved currently for treatment against the prevalent circulating variants, the development of new mAbs should be a research priority.