Could a blood flow cuff boost knee pain relief without heavy lifting?
NCT ID NCT07283237
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether adding a blood flow restriction cuff to targeted exercises helps adults aged 30-55 with mild to moderate knee osteoarthritis and bow legs feel less pain and move better. About 80 participants will be randomly assigned to do exercises either with or without the cuff. Researchers will track knee function, pain, and quality of life over 12 months to see if the cuff makes a difference.
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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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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Oct 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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30 to 55 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.
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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: * Age between 30 and 55 years * Body Mass Index (BMI) between 18 and 25 * Presence of medial knee pain * Mild to moderate varus deformity confirmed via X-Ray Long Film (2° \< HKA ≤ 10°) (4)(4)(5) * Kellgren and Lawrence classification of osteoarthritis (grades 1-3) (6): * Grade 1 (doubtful): doubtful joint space narrowing and possible osteophytic lipping * Grade 2 (minimal): definite osteophytes and possible joint space narrowing * Grade 3 (moderate): moderate multiple osteophytes, definite narrowing of joint space, some sclerosis and possible deformity of bone ends * Active adults (based on REFA work classification) Exclusion Criteria: * BMI \> 25 * History of knee surgery * Any contraindication to exercise or BFR, including: * History of deep vein thrombosis (DVT) * Uncontrolled hypertension * Peripheral vascular disease * Pregnancy * Other significant musculoskeletal or neurological conditions affecting lower extremity function (e.g., hip osteoarthritis, rheumatoid arthritis, peripheral neuropathy)
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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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Faculty of Medicine, Assiut University
Asyut, Asyut Governorate, Egypt