# DF4 Master Study (Safety and Efficacy Study)

> **NCT01790841** · — · COMPLETED · sponsor: **Biotronik SE & Co. KG** · enrollment: 240 (actual)

## Conditions studied

- Ventricular Tachycardia
- Ventricular Fibrillation
- Sudden Cardiac Death
- Heart Failure

## Interventions

- **DEVICE:** Iforia/Ilesto ICD/CRT-D, Linox smart DF4 lead/ Protego

## Key facts

- **NCT ID:** NCT01790841
- **Lead sponsor:** Biotronik SE & Co. KG
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-02
- **Primary completion:** 2015-05
- **Final completion:** 2016-04
- **Target enrollment:** 240 (ACTUAL)
- **Last updated:** 2016-04-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01790841

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01790841, "DF4 Master Study (Safety and Efficacy Study)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01790841. Licensed CC0.

---

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