🏛️ Verified NIH Record • Updated 2026-08-21
INFINITY™ With ADAPTIS™ Technology Study (NCT04594993)
INFINITY™ With ADAPTIS™ Technology Total Ankle Replacement Follow-Up
🔵 Active, Not Recruiting Interventional Protocol 📊 Observational Clinical Research Sponsor: Stryker Trauma and Extremities
🩺 Plain-English Summary (8th-Grade Level)
INFINITY™ with ADAPTIS™ Technology Total Ankle Replacement Follow-up (ITAR2) - Prospective, multi-site, multi-year post-market clinical follow-up study Study Group Primary/Unilateral and/or bilateral Total Ankle Arthroplasty subjects implanted with INFINITY™ Total Ankle System Number of Subjects 200 patients with up to 13 sites
Who can join: Review the eligibility criteria below.
Location: OrthoArizona Foot and Ankle Institute — Gilbert, Arizona
Age range: 22 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (13 Sites)
- OrthoArizona Foot and Ankle Institute — Gilbert, Arizona
- Eisenhower Health / Desert Orthopedic Center — Rancho Mirage, California
- University of Colorado Orthopedic Research Center — Aurora, Colorado
- Steadman Philippon Research Institute — Vail, Colorado
- Florida Joint Care Institute — Trinity, Florida
- Loyola University Medical Center — Maywood, Illinois
- Hospital for Special Surgery — New York, New York
- Slocum Research & Education Foundation — Eugene, Oregon
- Southern Oregon Orthopedics — Medford, Oregon
- Medical University of South Carolina — Charleston, South Carolina
- Erlanger Institute for Clinical Research — Chattanooga, Tennessee
- Campbell Clinic — Germantown, Tennessee
- Vanderbilt University Medical Center — Nashville, Tennessee
💰 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 § 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.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.