# Analysis of Photoplethysmographic Signal in Lumbar Sympathetic Block

> **NCT01134289** · PHASE3 · UNKNOWN · sponsor: **Seoul National University Hospital** · enrollment: 25 (estimated)

## Conditions studied

- Complex Regional Pain Syndrome

## Interventions

- **PROCEDURE:** lumbar sympathetic block

## Key facts

- **NCT ID:** NCT01134289
- **Lead sponsor:** Seoul National University Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2009-09
- **Primary completion:** 2010-02
- **Final completion:** —
- **Target enrollment:** 25 (ESTIMATED)
- **Last updated:** 2010-06-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01134289

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01134289, "Analysis of Photoplethysmographic Signal in Lumbar Sympathetic Block". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT01134289. Licensed CC0.

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