Introduction:

Chronic kidney disease patients have a higher risk of infection and worse clinical outcomes after coronavirus disease. We aimed to assess the prevalence of infection and the humoral response after vaccination in peritoneal dialysis patients.

Methods:

Three types of vaccines were administered (two doses) with the antibody detection at least six months after. Coronavirus disease 2019 infections, hospital admissions, and deaths were evaluated.

Results:

From 70 prevalent patients, 45 were included. There was a significant increase in antibody level, with a median of 92 (36, 447) U/mL. Only 4% of patients remained seronegative. History of immunosuppressive therapy was associated with no response (100% vs 60%, p=0.010). There were two infections after the vaccination, without hospital admission.

Conclusion:

Immunization against coronavirus disease was effective in generating a humoral response in peritoneal dialysis patients. There was also an evident impact of immunosuppressive therapy on vaccine response in peritoneal dialysis patients.

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