# Study of OP-1 Putty in Uninstrumented Posterolateral Fusions

> **NCT00678353** · — · COMPLETED · sponsor: **Olympus Biotech Corporation** · enrollment: 202 (actual)

## Conditions studied

- Degenerative Lumbar Spondylolisthesis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00678353
- **Lead sponsor:** Olympus Biotech Corporation
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2007-05
- **Primary completion:** —
- **Final completion:** 2007-08
- **Target enrollment:** 202 (ACTUAL)
- **Last updated:** 2011-06-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00678353

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00678353, "Study of OP-1 Putty in Uninstrumented Posterolateral Fusions". Retrieved via AI Analytics 2026-07-13 from https://api.ai-analytics.org/clinical/NCT00678353. Licensed CC0.

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