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Can cutting salt calm rheumatoid arthritis? new study investigates

NCT ID NCT03649178

Knowledge-focused Sponsor: Vanderbilt University Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study looked at whether eating less salt can reduce inflammation, lower blood pressure, and decrease sodium levels in the skin of people with rheumatoid arthritis (RA). Researchers measured changes using MRI and disease activity scores in 18 adults with stable, moderate RA. The goal was to understand the link between salt and RA symptoms, not to test a new treatment.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

18 people

The number who actually took part.

Started

Jan 2020

Finished

Dec 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Male and female patients older than 18 years who are willing to participate. 2. Satisfy the ACR criteria for the diagnosis of RA. 3. Have stable disease activity as evidenced by no clinically meaningful change in immunomodulating or corticosteroid therapy in the past 1 month. 4. Have moderate disease activity as reflected by a minimum of 3 swollen and tender joints. Exclusion Criteria: 1. Pregnancy 2. Receiving dialysis 3. Organ or bone marrow transplant 4. Taking diuretics, uncontrolled hypertension (\>160/100 mmHg), or cardiac failure requiring treatment. 5. Severe edema (as judged by the investigator) 6. Diabetes mellitus treated with an insulin pump 7. Major surgery within the previous 3 months 8. Severe co-morbid conditions such as active cancer likely to compromise study participation 9. Unwillingness, or other inability, to cooperate 10. Contraindication to MRI 11. Presence of a condition that could make 24-hour blood pressure monitoring difficult: atrial fibrillation, inability to operate machine, receiving anticoagulants, presence of a condition that in the opinion of the investigator may be exacerbated by blood pressure cuff inflation (e.g., lymphedema).

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Conditions

The condition(s) this trial relates to.

rheumatoid arthritis

As listed by the trial registrant

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

Rheumatoid arthritis

Contacts and locations

Locations

  • Vanderbilt University Medical Center

    Nashville, Tennessee, 37232, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.