Can a Low-Carb diet ease knee pain? a study investigates racial differences

NCT ID NCT04343716

First seen Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This study tests whether a low-carbohydrate diet (under 40 grams of carbs per day) can reduce pain and improve quality of life in women aged 65-75 with knee osteoarthritis. It specifically looks at whether the diet's effects differ between African-American and non-Hispanic white women. Participants follow the diet for 6 weeks, with meals provided, and researchers measure pain, function, mood, and blood markers of oxidative stress. The goal is to see if this dietary approach could be a personalized way to manage knee OA pain.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
low-carbohydrate diet (less than 40 grams of carbs per day) provided as prepared meals
What this could lead to
If successful, this could show that a low-carb diet is a useful, non-drug way to reduce knee osteoarthritis pain, and that its benefits may vary by race, leading to more personalized dietary recommendations.
What could go wrong
This is a small, early study with only 19 participants, so results may not apply to everyone. The diet is restrictive and may be hard to follow, and any pain relief might not be due to the diet alone.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of Alabama at Birmingham

    Birmingham, Alabama, 35294, United States

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