# Observational Study of Outcomes After EchoMark and EchoSure-based Free Flap Monitoring

> **NCT03915717** · — · TERMINATED · sponsor: **Sonavex, Inc.** · enrollment: 14 (actual)

## Conditions studied

- Free Flap Transfer
- Malignant Neoplasm

## Interventions

- **DEVICE:** EchoMark
- **DEVICE:** EchoSure

## Key facts

- **NCT ID:** NCT03915717
- **Lead sponsor:** Sonavex, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2019-09-19
- **Primary completion:** 2022-05-05
- **Final completion:** 2022-05-05
- **Target enrollment:** 14 (ACTUAL)
- **Why stopped:** Slow Enrollment
- **Last updated:** 2024-11-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03915717

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03915717, "Observational Study of Outcomes After EchoMark and EchoSure-based Free Flap Monitoring". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03915717. Licensed CC0.

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