Can a low-carb, anti-inflammatory diet be the answer to long COVID woes?

Approximately 7% of Americans have had long COVID, a range of ongoing health problems experienced after infection and recovery from COVID-19. Symptoms can include fatigue, brain fog, headaches, chest pain, heart palpitations, and more.  

There is no proven treatment for the syndrome and the mechanisms that cause it are not fully understood.  

Now, a new clinical trial from Keck Medicine of USC is investigating if a diet designed to lower inflammation may play a role in easing this often debilitating condition. 

Clinical Trial: Long COVID-19 Syndrome Lifestyle Intervention Study. Image Credit: Timolina / ShutterstockClinical Trial: Long COVID-19 Syndrome Lifestyle Intervention Study. Image Credit: Timolina / Shutterstock

The premise of the trial revolves around recent research indicating that long COVID may be caused by a hyper-inflammatory response that becomes activated during COVID-19 as the body fights off the virus but, in some people, does not recede even after the infection has passed. High inflammation levels can lead to organ damage and other health problems.  

"We are examining if food choice can quiet the body's inflammatory response and in doing so, effectively minimize or curtail long COVID symptoms," said Adupa Rao, MD, an investigator of the clinical trial and medical director of the Keck Medicine Covid Recovery Clinic 

The study will examine the anti-inflammatory effect of a low-carbohydrate diet to lower blood glucose (sugar) levels in combination with a medical food that raises blood ketone levels. Ketones, including beta-hydroxybutyrate, the active ketone in this food, are chemicals the body produces to provide energy when the body is low on carbohydrates and sugars. A low-carb diet and ketones have both been associated with reduced inflammation.  

Researchers plan to enroll 50 long COVID patients treated by Keck Medicine's Covid Recovery Clinic. Half the individuals will receive a 30-day dietary intervention, and half will not. At the end of the month, researchers will determine how patients tolerated the regimen and compare inflammatory markers and long COVID symptoms between the two groups of patients.  

If patients tolerate the nutritional intervention well and improve their health issues, researchers plan to expand the clinical trial to a larger population.  

"Research like ours is vital to expand our understanding of long COVID and ultimately help identify effective treatments to improve patient's quality of life," said the principal investigator of the clinical trial, Nuria Pastor-Soler, MD, Ph.D., who is also an associate professor of medicine at the Keck School of Medicine of USC. "The trial results will hopefully move us closer to potential solutions." 

Ken Hallows, MD, PhD, a professor of medicine at the Keck School of Medicine, is also a researcher in this study. The clinical trial is funded by the Amy P. Goldman Foundation. 

Comments

  1. Evelyn Haskins Evelyn Haskins Australia says:

    From my own experience I would say that saying off all fats and oils works better than blocking carbohydrates, (aka the Diarrhoea diet
    ).
    Also I would look at blood groups re Covid recovery!

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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