# Retro-prospective Study of Safety & Performance of Round XTENDOBUTTON™ Fixation Device Post Knee Repair

> **NCT04211857** · — · COMPLETED · sponsor: **Smith & Nephew, Inc.** · enrollment: 40 (actual)

## Conditions studied

- Knee Reconstruction

## Interventions

- **DEVICE:** Round XTENDOBUTTON Fixation Device used in suture fixation of ligaments and tendons in conjunction with an ULTRABUTTON™ product or ENDOBUTTON™ device.

## Key facts

- **NCT ID:** NCT04211857
- **Lead sponsor:** Smith & Nephew, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-21
- **Primary completion:** 2021-02-17
- **Final completion:** 2021-10-31
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2022-05-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04211857

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04211857, "Retro-prospective Study of Safety & Performance of Round XTENDOBUTTON™ Fixation Device Post Knee Repair". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04211857. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*