# A Pilot Clinical Trial of Sympathetic Blockade With Botulinum Toxin Type A to Treat Complex Regional Pain Syndrome (CRPS): a Randomized, Double-Blind, Controlled, Crossover Trial.

> **NCT00637533** · NA · COMPLETED · sponsor: **Stanford University** · enrollment: 10 (actual)

## Conditions studied

- Pain

## Interventions

- **PROCEDURE:** Lumbar sympathetic block with Botulinum Toxin type A

## Key facts

- **NCT ID:** NCT00637533
- **Lead sponsor:** Stanford University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-05
- **Primary completion:** 2007-05
- **Final completion:** 2007-05
- **Target enrollment:** 10 (ACTUAL)
- **Last updated:** 2011-01-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00637533

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00637533, "A Pilot Clinical Trial of Sympathetic Blockade With Botulinum Toxin Type A to Treat Complex Regional Pain Syndrome (CRPS): a Randomized, Double-Blind, Controlled, Crossover Trial.". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT00637533. Licensed CC0.

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