πŸ›οΈ Verified NIH Record β€’ Updated 2026-02-23

The ENCIRCLE Trial (NCT04153292)

SAPIEN M3 System Transcatheter Mitral Valve Replacement Via Transseptal Access

🟒 Recruiting Observational / Diagnostic βš™οΈ Medical Device Protocol Sponsor: Edwards Lifesciences

🩺 Plain-English Summary (8th-Grade Level)

This study will establish the safety and effectiveness of the SAPIEN M3 System in subjects with symptomatic, at least 3+ mitral regurgitation (MR) for whom commercially available surgical or transcatheter treatment options are deemed unsuitable. Following completion of enrollment, subjects will be eligible for enrollment in the continued access phase of the trial.

Who can join: Review the eligibility criteria below.

Location: Heart Center Hospital β€” Huntsville, Alabama

Age range: 18 Years

πŸ§ͺ Interventions in This Study

πŸ“‹ "Do I Qualify?" β€” 1-Minute Self Screener

Instant Checklist

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

πŸ“ All Participating Trial Locations (68 Sites)

Showing the first 25 of 68 sites.

  • Heart Center Hospital β€” Huntsville, Alabama
  • Banner University Medical Center β€” Phoenix, Arizona
  • Saint Josephs Hospital Medical Center Dignity Health β€” Phoenix, Arizona
  • TMC Healthcare β€” Tucson, Arizona
  • Scripps Health β€” La Jolla, California
  • Good Samaritan Hospital β€” Los Angeles, California
  • Cedars-Sinai Medical Center β€” Los Angeles, California
  • Kaiser Sunset LA β€” Los Angeles, California
  • Saint Joseph Hospital β€” Orange, California
  • California Pacific Medical Center β€” San Francisco, California
  • UC Health Northern Colorado (Medical Center of the Rockies) β€” Loveland, Colorado
  • Delray Medical Center β€” Delray Beach, Florida
  • Cardiac & Vascular Institute Foundation β€” Gainesville, Florida
  • Ascension St. Vincent's Hospital β€” Jacksonville, Florida
  • Naples Community Hospital β€” Naples, Florida
  • Sarasota Memorial Hospital β€” Sarasota, Florida
  • Emory University β€” Atlanta, Georgia
  • Piedmont Healthcare β€” Atlanta, Georgia
  • Rush University Medical Center β€” Chicago, Illinois
  • Northshore University Health System β€” Glenview, Illinois
  • St. Vincent Heart Center of Indiana β€” Indianapolis, Indiana
  • University of Kansas β€” Kansas City, Kansas
  • Cardiovascular Research Institute of Kansas (CRIOK) β€” Wichita, Kansas
  • Our Lady of the Lake Regional Medical Center β€” Baton Rouge, Louisiana
  • Medstar Union Memorial Hospital β€” Baltimore, Maryland

πŸ“ž Contact the Study Coordinator

Phone: (949) 250-2500

Email: TMTT_Clinical@edwards.com

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

πŸ’° 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 Β§ 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.

πŸ’‘ 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.
πŸ›οΈ View Official NIH Record β†—