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Could your diet ward off arthritis? UK biobank study investigates

NCT ID NCT06670183

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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at how different eating habits—like being a vegetarian, eating fish, or drinking alcohol—might affect a person's chance of developing rheumatoid arthritis. Researchers are using data from half a million UK adults aged 40 to 70. They are not testing a new treatment, but rather analyzing existing information to find patterns that could help lower risk.

What this could mean

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

What this could lead to
If successful, this research could identify dietary patterns that lower the risk of developing rheumatoid arthritis, guiding future prevention strategies.
What could go wrong
This is an observational study, not a clinical trial, so it cannot prove cause and effect. Results may be influenced by other lifestyle factors and may not apply to everyone.

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.

Participants

500,000 people

The number who actually took part.

Started

Jan 2006

Expected to finish

Dec 2029

An estimate. End dates often move.

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.

Who is studied

General population. Information on the UK Biobank cohort profile is available here: https://www.ukbiobank.ac.uk/

Ages

40 to 70 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Male or female * Ages 40 to 70 years at time of recruitment * Able to provide informed consent Exclusion Criteria: * Unable to link dietary and lifestyle data with hospital episode statistics * Had a rheumatoid arthritis before or no the date of recruitment * Withdrew consent during the study period * Genetic sex differs to reported sex * Outlier diet or anthropometric data (energy intake \<500 or \>5000 kcal/day or body mass index \<10 or \>60 kg/m2)

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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.

More trials for these conditions

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