ArticleIn vivo (Athens, Greece)
Chemotherapy and COVID-19 Vaccination in Patients With Gastrointestinal Cancer.
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors at 2 institutions in 1 country.
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Abstract
BACKGROUND/
aimMultiple doses of vaccines against the coronavirus disease (COVID-19) provide patients with cancer the opportunity to continue cancer treatment. This study investigated the safety and efficacy of COVID-19 vaccination in patients with cancer and the optimal timing of vaccination during chemotherapy. PATIENTS AND
methodsA total of 131 patients with gastrointestinal (GI) cancer who received two doses of the COVID-19 vaccine were included in this study. This study combined two cohorts: an evaluation cohort of 79 patients receiving chemotherapy and a control cohort of 52 patients under follow-up after radical surgery. None of the patients had any history of COVID-19. Treatment- and vaccine-related adverse events (AEs) were recorded through outpatient interviews and self-reports.
resultsIn the evaluation cohort, 62 patients (78.4%) experienced vaccine-related AEs after the first dose, and 62 patients (78.4%) experienced vaccine-related AEs with an increased rate of fever and fatigue after the second dose. In the control cohort, vaccine-related AEs occurred in 28 (53.8%) patients after the first dose and in 37 (71.2%) patients after the second dose, with increased fever and fatigue after the second dose. Of the 79 patients, 49 received chemotherapy before vaccination. Twelve patients (24.5%) changed their treatment schedule: four for safety reasons, four for myelosuppression, and four for convenience. Three patients discontinued the treatment because of disease progression.
conclusionSystemic chemotherapy in patients with GI cancer does not have a markedly negative effect on COVID-19 vaccination, resulting in manageable vaccine-related AEs, and minimizing the need for treatment schedule changes.
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