Pain-free walking program for people with peripheral artery disease

The effects of a novel, non-ischemic and pain-free exercise intervention in peripheral artery disease

NIH-funded research University of Oklahoma Hlth Sciences Ctr · NIH-11178340

This project will compare a gentle, pain-free walking program to standard painful exercise to see if it helps older adults with peripheral artery disease walk farther and feel better.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Oklahoma Hlth Sciences Ctr NIH-funded
Lab location1 site (Oklahoma City, United States)
Project IDNIH-11178340 on NIH RePORTER

What this research studies

You would be randomly assigned to either a slow, non-ischemic (pain-free) walking program or the usual walking program that can cause leg pain. Both groups will take part in supervised walking sessions and have periodic tests of walking ability, questionnaires about quality of life, and blood and local vascular tests. The team will measure peak walking time, microvascular function in the legs, and markers of inflammation and oxidative stress to understand how each program affects your blood vessels and walking. Researchers will look for links between changes in vascular measures and improvements in walking.

Who could benefit from this research

Good fit: Adults with peripheral artery disease—especially older adults who develop leg pain or cramping when walking and who can attend supervised walking sessions—are the ideal candidates.

Not a fit: People with very advanced critical limb ischemia, who cannot walk safely, or whose mobility limits are due to non-vascular causes are less likely to benefit.

Why it matters

Potential benefit: If successful, this could offer a less painful exercise option that improves walking ability and quality of life for people with PAD.

How similar studies have performed: Traditional supervised exercise that causes leg pain has helped many patients with PAD, but this specific pain-free, non-ischemic approach is relatively new and not yet widely tested.

Where this research is happening

Oklahoma City, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 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.