Sign in
Taking people in United StatesNo phase

Brief blocked blood flow in the thigh for knee osteoarthritis and low back pain

Tests temporary thigh blood flow restriction in people with knee osteoarthritis and low back pain.

Key facts

Who runs it
University of Illinois Chicago
Where
Chicago, United StatesSee the site
Trial code
Registry title
Ischemic Preconditioning in Osteoarthritis and Back Pain
Status
Recruiting
People taking part
24 people, planned
Started
12 Sept 2025
Expected to end
31 Dec 2026
Type of study
Interventional, 2 groupsOne group gets a sham (pretend) treatment, for comparison.
Treatments tested
  • Ischemic Preconditioning
  • Sham Intervention
Record updated
17 November 2025

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for people aged 50 or older with knee osteoarthritis knee pain and low back pain. It tests briefly stopping blood flow in one thigh, compared with a sham (fake) treatment.

Age
50 Years and older
Sex
All
Disease stage
Knee pain that meets the ACR criteria, and back pain with an ODI score > 12. You must be able to walk for at least 3 minutes without walking aids.
Earlier treatment
You cannot join if you had a knee or hip replacement, spine surgery, or a steroid injection within the previous 6 months.

Main reasons for not taking part

  • Knee or hip replacement, or spine surgery in the past
  • Blood clots in the leg, thrombosis, heart failure, or any condition where squeezing the thigh is unsafe
  • A nerve and muscle condition that affects leg function
  • Allergy to ultrasound gel
  • Pregnant, planning a pregnancy during the study, or not an English speaker

The registry criteria, word for word

Show all 14 criteriaShow less

Who can take part

  • 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

Who cannot take part

  • History of steroid injection within the previous 6 months
  • History of Knee or Hip Replacements
  • 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
  • Younger than 50 years old
  • Non-English speaker
  • Currently pregnant or intends to become pregnant during the study

Where in United States

  • Human and Sport Performance LabChicago, United StatesContact: Shraddha SudhirTaking people

About the trial

What the trial wants to find out

We are examining the use of restricted blood flow, through full occlusion, on a single thigh for 50 minutes (5 minutes on, 5 minutes off), completed every other day for 2 weeks to improve function in individuals with knee osteoarthritis and low back pain.

The 2 groups in the trial

  • IC ArmTreatment being tested

    Treatment: Ischemic Preconditioning

  • Sham ArmSham treatment, for comparison

    Treatment: Sham Intervention

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Ischemic Preconditioning in Osteoarthritis and Back Pain
Plain-language title
Brief blocked blood flow in the thigh for knee osteoarthritis and low back painGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 14 November 2026.
Record updated
17 November 2025