# Post Approval Study (PAS) of the OPTIMIZER Smart and CCM Therapy

> **NCT03970343** · — · ACTIVE_NOT_RECRUITING · sponsor: **Impulse Dynamics** · enrollment: 620 (estimated)

## Conditions studied

- Heart Failure

## Interventions

- **DEVICE:** OPTIMIZER Smart System

## Key facts

- **NCT ID:** NCT03970343
- **Lead sponsor:** Impulse Dynamics
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-01-21
- **Primary completion:** 2028-07
- **Final completion:** 2028-07
- **Target enrollment:** 620 (ESTIMATED)
- **Last updated:** 2025-11-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03970343

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03970343, "Post Approval Study (PAS) of the OPTIMIZER Smart and CCM Therapy". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03970343. Licensed CC0.

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