Your plate may fight psoriatic arthritis: diet study tests food as medicine

NCT ID NCT04180904

Completed Disease control Sponsor: University of Pennsylvania Source: ClinicalTrials.gov ↗

First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study investigates whether changing diet can reduce disease activity in people with psoriatic arthritis. Participants are randomly assigned to one of two diets: one focusing on which foods are eaten, and another limiting daily calorie intake. The trial lasts 24 weeks and includes adults aged 18–80 with a confirmed diagnosis and moderate-to-high disease activity.

What this could mean

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

Active substance: dietary intervention (food-focused diet vs. calorie-restricted diet)
What this could lead to: If successful, this could show that dietary changes help control psoriatic arthritis symptoms, offering a non-drug way to manage the disease.
What could go wrong: This is a small, early-stage study without a placebo control, so results may not be conclusive. Diet changes can be hard to maintain, and benefits may vary from person to person.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

psoriatic arthritis Salivary Gland Adenoma, Pleomorphic

As listed by the trial registrant

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

PSORIATIC ARTHRITIS

Contacts and locations

Locations

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States
Women's College Hospital, University of Toronto

Toronto, Ontario, Canada

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