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Reduced Anti-Vaccine Antibody Levels seen in kids With Juvenile Idiopathic Arthritis: Study
Children with Juvenile Idiopathic Arthritis (JIA) have lower anti-vaccine antibody levels, suggests a study published in the Pediatric Rheumatology.
In most of the kids affected with Juvenile Idiopathic Arthritis, immunosuppressive drugs, incomplete vaccine coverage, immune system dysregulation might be crucial causes for a low level of anti-vaccine antibodies.
A group of researchers from Russia conducted a cross-sectional study including 170 children diagnosed with Juvenile Idiopathic Arthritis (JIA) aged 2 to 17 years who had received routine vaccinations against measles, rubella, mumps (MMR), diphtheria, and hepatitis B national vaccine schedule.
In all patients, the levels of post-vaccination antibodies (IgG) for measles, rubella, mumps, hepatitis B, and diphtheria were measured with ELISA.
The results of the study are as follows:
The protective level of antibodies was: 50% against hepatitis B, 52% against diphtheria, 58% against measles, 80% against mumps, and 98% against rubella.
MMR's best coverage had patients with enthesitis-related arthritis-85%, compared to oligoarthritis-70%, polyarthritis-69%, systemic arthritis-63%. Diphtheria coverage was 50, 51, 46, 63%, respectively.
Incomplete MMR vaccination had 39% patients, treated with biologics, 22% with methotrexate and 14% with NSAID and 61, 46, 36% for diphtheria.
Incomplete vaccination was a risk factor of the non-protective level of antibodies against measles and diphtheria vaccines, as well as Juvenile Idiopathic Arthritis (JIA) category, biologics, corticosteroids and long-term methotrexate treatment for distinct vaccines.
One-third part of Juvenile Idiopathic Arthritis (JIA) patients continued vaccination against MMR and diphtheria without serious adverse events and JIA flare.
There were no differences between patients who continued MMR vaccination or denied in the means of Juvenile Idiopathic Arthritis (JIA) category and treatment options.
Patients continued diphtheria vaccination rare received methotrexate, biologics, but had higher anti-diphtheria antibodies compared to those who omitted vaccination.
Methotrexate and biologics were predictors of omitted diphtheria revaccination.
The researchers concluded that children with Juvenile Idiopathic Arthritis (JIA) may have lower anti-vaccine antibody levels and required routine checks, especially in children with incomplete vaccination, biologics, systemic arthritis, and long-term methotrexate treatment. And revaccination of Juvenile Idiopathic Arthritis (JIA) patients was safe and effective.
Reference:
The vaccine coverage and vaccine immunity status and risk factors of non-protective levels of antibodies against vaccines in children with juvenile idiopathic arthritis: cross-sectional Russian tertiary Centre study by Kostik M et. al published in the Pediatric Rheumatology.
DOI: 10.1186/s12969-021-00594-2
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751