Impact of a plant-based diet on rheumatoid arthritis activity

The Effect of a Plant-based Diet on the Active Rheumatoid Arthritis Activity

Not applicable Interventional Instituto Nacional de Cardiologia Ignacio Chavez · NCT05911880

This study is testing if a plant-based diet can help adults with rheumatoid arthritis feel better by reducing inflammation and improving their symptoms.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment28 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorInstituto Nacional de Cardiologia Ignacio Chavez Academic / other
Locations1 site (Mexico City, Tlalpan)
Trial IDNCT05911880 on ClinicalTrials.gov

What this trial studies

This study investigates how a plant-based diet affects the activity of rheumatoid arthritis (RA) in adults. Participants aged 18 and older with varying levels of RA activity will follow an individualized, isocaloric plant-based diet for 14 days. The study will measure changes in disease severity using the 28-joint disease activity score index and c-reactive protein levels. The goal is to determine if dietary modifications can lead to reduced inflammation and improved RA symptoms.

Who should consider this trial

Good fit: Ideal candidates for this study are adults over 18 years old with a confirmed diagnosis of rheumatoid arthritis and moderate to severe disease activity.

Not a fit: Patients with systemic autoimmune diseases other than specified conditions, those on certain medications, or with recent significant weight changes may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could provide a dietary intervention that significantly reduces inflammation and improves quality of life for patients with rheumatoid arthritis.

How similar studies have performed: Previous studies have suggested dietary modifications can influence inflammation in RA, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Subjects over 18 years of age.
* Established diagnosis of rheumatoid arthritis according to American College Rheumatoid (ACR) 1987 or ACR/European Alliance of Associations for Rheumatology (EULAR) 2010 criteria.
* Disease activity according to DAS 28 (defined as all \> 2.6).

Exclusion Criteria:

* Systemic autoimmune superposition syndrome (with the exception of: fibromyalgia, thyroid pathology, Type 1 Diabetes Mellitus, syndrome Sjögren and antiphospholipid syndrome)
* Patients on treatment with coumarins
* Patients with cancer, chronic hepatitis, HIV, pregnancy
* Weight variations associated with diet in last 6 months

Where this trial is running

Mexico City, Tlalpan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Rheumatoid ArthritisDiet, HealthyInflammatory Responsevegetarian dietcytokineArthritisDAS-28anti-inflammatory diet
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.