# Cardiovascular Effects of Selective I(f)-Channel Blockade

> **NCT00865917** · PHASE2 · UNKNOWN · sponsor: **Hannover Medical School** · enrollment: 40 (estimated)

## Conditions studied

- Postural Orthostatic Tachycardia Syndrome

## Interventions

- **DRUG:** beta-blocker (Metoprolol)
- **DRUG:** I(f)-blocker (ivabradine)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00865917
- **Lead sponsor:** Hannover Medical School
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2008-11
- **Primary completion:** 2010-11
- **Final completion:** 2010-12
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2009-03-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00865917

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00865917, "Cardiovascular Effects of Selective I(f)-Channel Blockade". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00865917. Licensed CC0.

---

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