๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-01-12

A Study to Compare the Effectiveness of Different High-intensity Interval Training Programs in Cardiac Rehabilitation (NCT04555512)

Efficacy of Prescription Methods for High-intensity Interval Training in Patients Enrolled in Outpatient Cardiac Rehabilitation

๐Ÿ”ต Active, Not Recruiting Observational / Diagnostic ๐Ÿ“‹ Clinical Research Protocol Sponsor: Mayo Clinic

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The purpose of the study is to examine the effect of two different high intensity interval training (HIIT) prescription approaches on improving fitness, heart function, and the ability of the body's muscles to receive oxygen.

Who can join: Review the eligibility criteria below.

Location: Mayo Clinic in Rochester โ€” Rochester, Minnesota

Age range: 18 Years

๐Ÿงช Interventions in This Study

  • Progressive High Intensity Interval Training (PRO-HIIT) (OTHER)
  • Constant High Intensity Interval Training (CON-HIIT) (OTHER)

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • Mayo Clinic in Rochester โ€” Rochester, Minnesota

๐Ÿ“ž Contact the Study Coordinator

Phone: (800) 664-4580

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—