Gut health may soothe aching knees: new trial tests probiotics for arthritis relief
NCT ID NCT07364578
First seen Jun 27, 2026 · Last updated Jul 24, 2026 · Updated 1 time
Summary
This study tests whether adding probiotic supplements to standard treatment can reduce pain, stiffness, and improve daily function in people with knee osteoarthritis. About 146 adults with symptomatic knee OA will take probiotics or a placebo for a set period. The goal is to see if this simple addition offers meaningful symptom relief.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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146 people
The number who actually took part.
- Started
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Feb 2025
- Finished
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May 2026
- 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: Patients (both sexes) aged above 18 years who met the American College of Rheumatology (ACR) clinical criteria for KOA \[7\] and had symptomatic OA of at least one knee (index knee). Exclusion Criteria: 1. Rheumatoid arthritis or other active generalized inflammatory comorbidities affecting the gastrointestinal tract (IBD, celiac disease) 2. Performed a total knee replacement on the affected knee or the waiting list for joint replacement 3. surgeries (such as gastric bypass) or Other concomitant injuries can override OA symptoms or interfere with physical activity. 4. Malabsorption disorders, systemic organ failure (liver, renal, cardiac) 5. Use corticosteroids with doses above 10 mg/day or Intra-articular injections during the previous 6 months. 6. Recent antibiotic treatment (i.e., \<2 months before the beginning of the study). 7. Pregnancy/breastfeeding 8. Participants who smoked more than 10 cigarettes per day were excluded. 9. Immunosuppressive treatment or impaired immune system 10. Chronic or acute diarrhea 11. Blood/plasma donation/transfusion during the 3 months of the study 12. Non-controlled diabetes 13. Allergy with regards to any of the study product ingredients. 14. Post-traumatic OA (e.g., fractures), congenital hip deformities, or degenerative or non-degenerative neurological conditions can alter pain perception.
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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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Asmaa Abdelfattah Elsayed
Banī Suwayf, 82511, Egypt
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Other studies related to the condition(s) this trial covers.
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