# Using WHOOP Fitness Band to Measure Heart Health Variability Before and After Surgery

> **NCT07097168** · — · WITHDRAWN · sponsor: **Tufts Medical Center**

## Conditions studied

- Coronary Artery Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT07097168
- **Lead sponsor:** Tufts Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2025-06-11
- **Primary completion:** 2026-01-11
- **Final completion:** 2026-03-11
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Changes to study staffing and lack of coordinator support.
- **Last updated:** 2025-07-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07097168

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07097168, "Using WHOOP Fitness Band to Measure Heart Health Variability Before and After Surgery". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT07097168. Licensed CC0.

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