Publication:
Efficacy and safety profile of COVID-19 vaccine in cancer patients: a prospective, multicenter cohort study

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Date
2022-01-01T00:00:00Z
Authors
YASİN, Ayşe İrem
Aydin, Sabin Goktas
SÜMBÜL, BİLGE
KORAL, LOKMAN
ŞİMŞEK, MELİH
Geredeli, Caglayan
Ozturk, Akin
Perkin, Perihan
Demirtas, Derya
Erdemoglu, Engin
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Abstract
Aim: To compare the seropositivity rate of cancer patients with noncancer controls after inactive SARS-CoV-2 vaccination and evaluate the factors affecting seropositivity. Method: Spike IgG antibodies against SARS-CoV-2 were measured in blood samples of 776 cancer patients and 715 noncancer volunteers. An IgG level ≥50 AU/ml is accepted as seropositive. Results: The seropositivity rate was 85.2% in the patient group and 97.5% in the control group. The seropositivity rate and antibody levels were significantly lower in the patient group (p < 0.001). Age and chemotherapy were associated with lower seropositivity in cancer patients (p < 0.001). Conclusion: This study highlighted the efficacy and safety of the inactivated vaccine in cancer patients.
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COVID-19, COVID-19 vaccines, CoronaVac, SARS-CoV-2, cancer, chemotherapy, immunotherapy, malignancy
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