Clinical trial Recruiting at 1 site Interventional Ages 50 and up

Thigh blood-flow restriction for knee osteoarthritis and low back pain

Official title: Ischemic Preconditioning in Osteoarthritis and Back Pain

Run by University of Illinois Chicago · NCT07003113 · Data updated 2026-11-12

This trial will test whether repeated brief full thigh blood-flow restriction every other day for two weeks helps people over 50 with knee osteoarthritis and low back pain improve function.

More Low Back Pain trials

Quick facts

Study typeInterventional
Ages50 Years and up
SexAll
Enrollment24 (estimated)
SponsorUniversity of Illinois Chicago
Academic / other
Locations1 site (Chicago, Illinois)
StatusRecruiting
StartedSeptember 12, 2025
Main results expectedJuly 31, 2026
Study endsDecember 31, 2026
Registry record updatedNovember 17, 2025
Trial IDNCT07003113 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 50 or older who meet ACR criteria for knee pain, have back pain with ODI > 12, can walk three minutes without aids, and can provide written informed consent.

Probably not a fit

People with a history of leg blood clots or other conditions that make thigh compression unsafe, heart failure or thrombosis, recent joint replacement or recent steroid injection, neuromuscular disorders affecting the leg, pregnancy, non-English speakers, or those unable to walk three minutes are unlikely to benefit or be eligible.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Participants receive either ischemic preconditioning using full thigh occlusion (5 minutes on, 5 minutes off for a total of 50 minutes) or a sham intervention every other day for two weeks. The intervention is applied to a single thigh with sessions conducted in the Human and Sport Performance Lab at the University of Illinois at Chicago. Outcomes focus on functional improvement related to knee osteoarthritis and low back pain. Eligible participants must be able to walk at least three minutes unaided and meet specified clinical criteria for knee and back pain.

Why it matters

Potential benefit: If successful, this could offer a simple, non-drug option to reduce pain and improve mobility for people with knee osteoarthritis and low back pain.

How similar studies have gone: Related blood-flow restriction approaches during rehabilitation and exercise have shown small improvements in strength and function, but using full thigh ischemic preconditioning specifically for osteoarthritis and low back pain is relatively novel and not yet well established.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Reported Knee Pain using ACR Criteria
* Reported Back Pain using ODI Criteria \> 12
* Ability to walk for at least 3 minutes without the use of aids
* Ability to provide written informed consent

Exclusion Criteria:

* Younger than 50 years old
* History of Knee or Hip Replacements
* History of steroid injection within the previous 6 months
* Presence of neuromuscular joint condition that affects lower extremity function
* History of blood clots in the leg or any condition in which compression of the thigh is contraindicated
* History of heart failure or thrombosis
* Allergic to ultrasound gel
* History of spine surgery
* Non-English speaker
* Currently pregnant or intends to become pregnant during the study

Where it's running

  • Human and Sport Performance Lab
    Chicago, Illinois, United States
    Recruiting

Study contacts

  • Principal investigator: Lindsay Hannigan — University of Illinois Chicago
  • Study coordinator: Shraddha Sudhir
  • Email: ssudhi5@uic.edu
  • Phone: 312-413-5118

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.