# Spinal Anesthesia in Patients With Poorly-palpable Surface Landmarks

> **NCT03377764** · — · TERMINATED · sponsor: **University Health Network, Toronto** · enrollment: 48 (actual)

## Conditions studied

- Regional Anesthesia

## Interventions

- **PROCEDURE:** Landmark Technique Control group
- **PROCEDURE:** Neuroaxial block using Ultrasound Guidance

## Key facts

- **NCT ID:** NCT03377764
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2011-08
- **Primary completion:** 2014-05
- **Final completion:** 2014-05
- **Target enrollment:** 48 (ACTUAL)
- **Why stopped:** The interim data analysis shows no significant difference between groups
- **Last updated:** 2017-12-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03377764

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03377764, "Spinal Anesthesia in Patients With Poorly-palpable Surface Landmarks". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03377764. Licensed CC0.

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