# Visibility - Classification of Sono-visibility of Anatomical Structures in Peripheral Nerve Blocks

> **NCT03231696** · — · COMPLETED · sponsor: **Charite University, Berlin, Germany** · enrollment: 1200 (actual)

## Conditions studied

- Anesthesia, Local
- Anesthesia

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03231696
- **Lead sponsor:** Charite University, Berlin, Germany
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-01
- **Primary completion:** 2016-12
- **Final completion:** 2016-12
- **Target enrollment:** 1200 (ACTUAL)
- **Last updated:** 2017-12-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03231696

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03231696, "Visibility - Classification of Sono-visibility of Anatomical Structures in Peripheral Nerve Blocks". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03231696. Licensed CC0.

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