Can a simple blood test help rheumatoid arthritis patients get the right drug?
NCT ID NCT03853395
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether measuring drug levels and anti-drug antibodies in the blood of rheumatoid arthritis patients can help doctors make better treatment decisions. 52 patients starting adalimumab or certolizumab were randomly assigned to have their test results shared with their doctor or to receive standard care. The goal was to see if this approach is feasible for a larger trial, not yet to prove it improves outcomes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- drug level and anti-drug antibody tests
- What this could lead to
- If successful, this could pave the way for a larger trial that proves using these tests helps doctors choose better treatments for rheumatoid arthritis patients.
- What could go wrong
- This is a small feasibility study, not designed to prove the tests work. The tests are expensive and may not improve patient outcomes in the end.
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
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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
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52 people
The number who actually took part.
- Started
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May 2019
- Finished
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May 2025
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Patients with RA about to start therapy with adalimumab or certolizumab 2. Age 18 and over, male or female 3. Willing to take part in the study 4. Patients who consent to take part in the BRAGGSS study Exclusion Criteria: 1. Patients unwilling or unable to take part in the study 2. Pregnant women or nursing (breast feeding) mothers. 3. Planned pregnancy within next 12 months. 4. Scheduled surgery in the next 12 months or other pre-planned reasons for treatment discontinuation in the next 12 months. 5. Contraindication to adalimumab or certolizumab according to the summary of product characteristics
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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.
Contacts and locations
Locations
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Centre for Musculoskeletal Research
Manchester, England, M13 9PT, United Kingdom
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Hampshire Hospitals NHS Foundation Trust
Basingstoke, Hampshire, RG24 9NA, United Kingdom
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Homerton University Hospital NHS Foundation Trust
London, E9 6SR, United Kingdom
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Leicester Royal Infirmary
Leicester, LE1 5WW, United Kingdom
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Manchester University Hospitals NHS Foundation Trust
Manchester, M13 9WL, United Kingdom
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Midlands Partnership NHS Foundation Trust
Stafford, Staffordshire, ST16 3AG, United Kingdom
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Northern Care Alliance NHS Group
Manchester, M5 5AP, United Kingdom
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Royal Wolverhampton NHS Trust
Wolverhampton, WV10 0QP, United Kingdom
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Torbay and South Devon NHS Foundation Trust
Torquay, TQ2 7AA, United Kingdom
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