Could a common Blood-Flow drug tame rheumatoid arthritis?
NCT ID NCT06998628
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This Phase 2 trial tests whether adding pentoxifylline (a drug usually used for blood flow) to standard methotrexate therapy can reduce inflammation in people with active rheumatoid arthritis. Fifty adults aged 18–70 with moderate-to-severe disease will receive the combination for a set period. The main goal is to see if their disease activity score (DAS28) improves.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Pentoxifylline (a blood-flow medication) added to standard methotrexate therapy
- What this could lead to
- If it works, this could point toward a new, affordable add-on treatment to better control rheumatoid arthritis inflammation.
- What could go wrong
- This is a small, early Phase 2 trial with only 50 participants. Pentoxifylline is not a proven arthritis drug, and results may not lead to a new standard 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
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- 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.
- Ages
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18 to 70 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: * Patients with active rheumatoid arthritis (not in remission) according to American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) \[9\] i.e., 28 joints disease activity score (DAS 28) \>2.6. * Patients receiving the conventional DMARDs. * Both sexes. * Age range between 18and 70 years old Exclusion Criteria: * Patients with retinal or cerebral hemorrhage. * Patients with renal and hepatic dysfunction. * Patients with hypersensitivity to study medications. * Pregnant and lactating females. * Patients receiving biological or synthetic DMARDs
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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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Faculty of Medicine, Al-Azhar University
RECRUITINGDamietta, Damietta Governorate, 34511, Egypt
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Other studies related to the condition(s) this trial covers.
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- Can a new injection calm rheumatoid arthritis? an early trial puts ZB002 to the test