# Adaptive Cardiac Resynchronization Therapy Optimization at Rest and During Exercise (AdOPT CRT)

> **NCT01475175** · NA · TERMINATED · sponsor: **Medtronic Cardiac Rhythm and Heart Failure** · enrollment: 12 (actual)

## Conditions studied

- Heart Failure

## Interventions

- **DEVICE:** CRT pacing at rest and during exercise

## Key facts

- **NCT ID:** NCT01475175
- **Lead sponsor:** Medtronic Cardiac Rhythm and Heart Failure
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2011-11
- **Primary completion:** 2012-03
- **Final completion:** 2012-03
- **Target enrollment:** 12 (ACTUAL)
- **Why stopped:** Unable to reach sample size to satisfy the primary objective
- **Last updated:** 2019-08-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01475175

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01475175, "Adaptive Cardiac Resynchronization Therapy Optimization at Rest and During Exercise (AdOPT CRT)". Retrieved via AI Analytics 2026-06-07 from https://api.ai-analytics.org/clinical/NCT01475175. Licensed CC0.

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