# SI-6603 Versus Placebo in Patients With Lumbar Disc Herniation

> **NCT00634946** · PHASE2,PHASE3 · COMPLETED · sponsor: **Seikagaku Corporation** · enrollment: 195 (actual)

## Conditions studied

- Lumbar Vertebra Hernia

## Interventions

- **DRUG:** SI-6603
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00634946
- **Lead sponsor:** Seikagaku Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-01
- **Primary completion:** 2009-11
- **Final completion:** 2010-08
- **Target enrollment:** 195 (ACTUAL)
- **Last updated:** 2023-03-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00634946

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00634946, "SI-6603 Versus Placebo in Patients With Lumbar Disc Herniation". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00634946. Licensed CC0.

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