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  • High uric acid levels...

High uric acid levels linked to deadly outcomes in children with severe malaria, reveals research

Dr. Kamal Kant KohliWritten by Dr. Kamal Kant Kohli Published On 2025-03-03T21:00:07+05:30  |  Updated On 3 March 2025 9:00 PM IST
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Indiana University School of Medicine researchers and their collaborators in Uganda at the Makerere University School of Medicine have uncovered a significant connection between elevated uric acid levels and life-threatening outcomes in children with severe malaria.

Published in Nature Medicine, the study identified hyperuricemia-high uric acid levels-as a potential contributor to increased mortality and long-term neurodevelopmental challenges in children with severe malaria. These findings open the door to future research that could improve treatment strategies for children affected by severe malaria, a disease caused by mosquito-transmitted parasites and a leading cause of death in African children.

"Our findings show that hyperuricemia is strongly associated with death in the hospital and after discharge and with long-term cognitive impairment in children with severe malaria," said Chandy C. John, MD, the Ryan White Professor of Pediatrics at the IU School of Medicine, who co-led the study. "We also showed several mechanisms by which hyperuricemia may lead to these outcomes, suggesting that hyperuricemia is not just associated with bad outcomes but may contribute to them."

The researchers analyzed data from two independent groups of children with severe malaria in Uganda and found that 25% had hyperuricemia. This condition is caused by excess uric acid, which is a harmful body waste substance found in blood. The primary drivers of hyperuricemia in study participants were broken-down infected red blood cells and kidney injury, which reduces the body’s ability to get rid of the extra uric acid.

In the study, hyperuricemia was linked to four negative outcomes in children with severe malaria: serious health complications like coma and anemia, a higher risk of death during hospitalization, a higher risk of death after discharge from the hospital, and long-term cognitive impairment in survivors.

The study also revealed that children with hyperuricemia had more harmful gut bacteria, which can cross the injured gut lining and cause sepsis. Together, these findings highlight a need for clinical trials to test the effectiveness of uric acid-lowering medications as an additional treatment for severe malaria.

"Additional studies are needed to determine whether lowering uric acid in children with severe malaria might reduce hospital deaths, post-discharge deaths and long-term cognitive impairment," said Andrea Conroy, PhD, associate professor of pediatrics at the IU School of Medicine and co-leader of the study. "Our hope is that these studies will provide new insights and potentially lead to improved treatments that save lives."

This research builds on the team's recent discovery of partial resistance to the primary treatment for malaria in African children with severe malaria. Both studies underscore the importance of prioritizing new strategies to combat malaria, which affected 263 million people and caused nearly 600,000 deaths worldwide in 2023.

Reference:

Bond, C., Bednarski, O.J., Datta, D. et al. Elevated uric acid levels, mortality and cognitive impairment in children with severe malaria. Nat Med (2025). https://doi.org/10.1038/s41591-024-03430-8.

Nature Medicinemalariauric acidhyperuricemia
Source : Nature Medicine
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

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

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