Clinical Trial

A Prospective, Randomized, Single-blind, Controlled, Multi-center Study to Assess the Safety and Performance of MagnetOsTM Compared to Autogenous Bone Graft in Patients Undergoing Hindfoot or Ankle Fusions.

Study acronym: ASTRA
Recruiting
View on ClinicalTrials.gov →
Summary
This is a phase IV post-marketing study for MagnetOs Putty and MagnetOs Easypack Putty. MagnetOs is a synthetic bone graft extender product that is routinely used by surgeon as treatment for hindfoot and ankle disorders. In this study, MagnetOs Putty and MagnetOs Easypack Putty will be use according to the latest Instructions For Use, standalone in the foot and ankle.
Protocol Amendment History 8 amendments
This ClinicalTrials.gov record has been amended 8 times since 2025-11-05; most recent amendment 2026-07-06.
Status change: Not Yet Recruiting → Recruiting 2025-11-18
Trial Details
NCT Number NCT07225751
Lead Sponsor Kuros Biosurgery AG
Conditions Ankle Arthrodesis or Arthroplasty, Hindfoot Fusion, Ankle Deformity, Ankle Disease, Hindfoot Arthrodesis, Hindfoot Pathologies
Enrollment 126 participants
Start Date 2025-11-25
Primary Completion 2028-10 (estimated)
Study Completion 2028-12 (estimated)
Updated on ClinicalTrials.gov 2026-07-07