Using methotrexate to treat arthritis caused by chikungunya virus

Methotrexate treatment of Arthritis caused by Chikungunya virus (MARCH): A randomized controlled trial of methotrexate versus placebo in the treatment of chronic arthritis after chikungunya infection

['FUNDING_U01'] · GEORGE WASHINGTON UNIVERSITY · NIH-11190081

This study is looking at how well methotrexate works for people with chronic arthritis that can happen after chikungunya virus infection, and it will help find better treatment options for this condition.

Quick facts

Phase['FUNDING_U01']
Study typeNih_funding
SexAll
SponsorGEORGE WASHINGTON UNIVERSITY (nih funded)
Locations1 site (WASHINGTON, UNITED STATES)
Trial IDNIH-11190081 on ClinicalTrials.gov

What this research studies

This research investigates the effectiveness of methotrexate, a medication commonly used for autoimmune diseases, in treating chronic arthritis that develops after chikungunya virus infection. The study will involve a randomized controlled trial where participants will receive either methotrexate or a placebo for six months. Researchers will assess the treatment's impact on arthritis severity and inflammation by analyzing synovial tissue samples. The goal is to provide evidence-based recommendations for treating this condition, which currently lacks standard treatment options.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who have developed chronic arthritis following chikungunya virus infection.

Not a fit: Patients who do not have a history of chikungunya virus infection or those with other forms of arthritis unrelated to chikungunya may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a new, effective treatment option for patients suffering from chronic arthritis due to chikungunya virus.

How similar studies have performed: While methotrexate is commonly used for other types of arthritis, this specific application for chikungunya-related arthritis is novel and has not been extensively tested in randomized trials.

Where this research is happening

WASHINGTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.