Personalizing arthritis treatment: genes may predict drug success
NCT ID NCT07388407
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how genetic differences influence the effectiveness and side effects of leflunomide, a common rheumatoid arthritis drug. Researchers will recruit 110 Pakistani patients starting leflunomide and track their disease activity and side effects over six months. By analyzing DNA from blood samples, they hope to find genetic markers that predict who responds well and who experiences toxicity, potentially leading to more personalized treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- leflunomide
- What this could lead to
- If successful, this could help doctors predict which rheumatoid arthritis patients will benefit most from leflunomide and who might have side effects.
- What could go wrong
- This is an early observational study with only 110 participants. Results may not apply to all populations, and the genetic markers found may not reliably predict outcomes in practice.
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
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About 110 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2024
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- 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.
Who is studied
Patient of RA taking Leflunomide
- Ages
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20 to 65 years
- 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.
Show the full entry requirements Hide 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: * At baseline, all patients should fulfill the revised ACR/EULAR criteria for RA10 * Pakistani individuals * between ages of 20-75 years * New cases started on Leflunomide/ those already taking for less than a month and their biochemical and clinical data is available Exclusion Criteria: * Patients not willing to participate/ consent not given * Patients below the age of 20 * Non- Pakistani origin * Taking another DMARD simultaneously * Compromised renal and hepatic functions * Cognitive impairment, neurological disease * Pregnant/ lactating patients * Patients having inflammatory bowel disease/ Irritable bowel syndrome * Patients with active infective diseases -Patients who fail to complete 3 months of leflunomide therapy-
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Fauji Foundation Hospital, Rawalpindi
RECRUITINGRawalpindi, Punjab Province, 46000, Pakistan
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Shifa International Hospital
COMPLETEDIslamabad, Punjab Province, 44000, Pakistan
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