期刊
JOURNAL OF PHYSICAL ACTIVITY & HEALTH
卷 20, 期 4, 页码 311-316出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jpah.2022-0332
关键词
physical inactivity; vaccine responses; COVID-19; immunosuppression
Physical activity is associated with improved immunogenicity after vaccination in patients with autoimmune rheumatic diseases (ARD). A study found that physically active patients had higher odds of better antibody responses to CoronaVac booster dose compared to inactive patients. These results support the recommendation of physical activity to enhance vaccination responses in immunocompromised individuals.
Background: Physical activity associates with improved immunogenicity following a 2-dose schedule of CoronaVac (Sinovac's inactivated SARS-CoV-2 vaccine) in patients with autoimmune rheumatic diseases (ARD). This study evaluates whether physical activity impacts vaccine-induced antibody responses to a booster dose in this population. Methods: This was a phase-4 trial conducted in Sao Paulo, Brazil. Patients with ARD underwent a 3-dose schedule of CoronaVac. One month after the booster, we assessed seroconversion rates of anti-SARS-CoV-2 S1/S2 IgG, geometric mean titers of anti-S1/S2 IgG, frequency of positive neutralizing antibodies, and neutralizing activity. Physical activity was assessed through questionnaire. Results: Physically active (n = 362) and inactive (n = 278) patients were comparable for most characteristics; however, physically active patients were younger (P<.01) and had a lower frequency of chronic inflammatory arthritis (P<.01). Adjusted models showed that physically active patients had -2 times odds of seroconversion rates (OR: 2.09; 95% confidence interval, 1.22 to 3.61), -22% greater geometric mean titers of anti-S1/S2 IgG (22.09%; 95% confidence interval, 3.91 to 65.60), and -7% greater neutralizing activity (6.76%; 95% confidence interval, 2.80 to 10.72) than inactive patients. Conclusions: Patients with ARD who are physically active have greater odds of experiencing better immunogenicity to a booster dose of CoronaVac. These results support the recommendation of physical activity to improve vaccination responses, particularly for immunocompromised individuals.
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