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Colchicine beneficial for long COVID and recurrent fever among children
USA: Colchicine, a drug commonly used for gout and periodic fever syndrome, could benefit a subset of children suffering recurring fevers due to long COVID-19, a case study published in the Journal of Allergy and Clinical Immunology has shown.
Researchers at National Jewish Health saw rapid improvement in their fevers and other long COVID symptoms such as brain fog, fatigue, and achiness.
Long COVID is defined as persistent symptoms lasting greater than twelve weeks after the initial illness. A previous analysis of pediatric patients observed 25% of patients experiencing long COVID symptoms. Symptoms include fatigue, headache, dizziness, dyspnea, chest pain, reduced appetite, concentration difficulties, memory issues, mental exhaustion, physical exhaustion and sleep issues. In addition to these common symptoms, recurrent fevers are reported in approximately 2% of pediatric patients with long COVID.
For this case study, researchers evaluated two adolescent patients suffering long COVID symptoms, including recurring fever. They found through genetic testing that both individuals had a pathogenic heterozygous mutation in the innate immunity regulator pyrin: MEFV gene. Mutations in MEFV have been identified with periodic fever syndromes, and Colchicine therapy has shown previously effective in those suffering from the condition.
“So much about the cause and treatment for symptoms from long COVID remains unknown. This case report helps identify a subset of pediatric long COVID patients who respond well to a safe and well-described treatment,” said Nathan Rabinovitch, MD, MPH, director of the pediatric care unit at National Jewish Health and senior author of the study. “Children with persistent recurrent fevers after COVID-19 infection should be tested for this genetic variant.”
Recurrent fevers are seen in pediatric diseases such as familial Mediterranean fever and periodic fever with aphthous stomatitis, pharyngitis and adenitis. Both diseases are associated with changes in a gene that controls a fever-regulating protein called pyrin.
“Once we saw the gene mutation in both children, Colchicine therapy was initiated for both patients and resulted in near immediate resolution of fevers and improvement in other symptoms,” said Dr. Rabinovitch.
Reference:
Levi Keller, Nathan Rabinovitch, Post COVID recurrent fever in children with polymorphisms in the innate immunity regulator, pyrin; MEFV gene, Published:March 08, 2023 DOI:https://doi.org/10.1016/j.jaip.2023.02.036.
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