Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00449696 · ClinicalTrials.gov registry record · Phase 3

Gel-200 Versus Placebo in Osteoarthritis of the Knee

A Phase 3 study, sponsored by Seikagaku Corporation.

Completed
Registry status
Phase 3
Development phase
379
Enrollment target

NCT00449696: Completed Phase 3 study, sponsored by Seikagaku Corporation.

NCT00449696 is a Phase 3 study that has completed, run by Seikagaku Corporation. The registered enrollment target is 379 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (51% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00449696, a Phase 3 study, has completed, sponsored by Seikagaku Corporation.

COMPLETED
Registry status
Phase 3
Development phase
379 participants
Enrollment target

Study Summary

The purpose of this study is to determine if a single intra-articular injection of Gel-200 is superior to a single injection of Phosphate Buffered Saline (PBS) in subjects with symptomatic osteoarthritis of the knee.

Primary Outcome

Observed WOMAC pain subscore on VAS of 100 mm; 0 mm meaning no pain; 100 mm meaning extreme pain. Change in score from baseline to week 13 was calculated as baseline minus week 13. Primary endpoint was the model estimated difference between Gel-200 and PBS placebo.

Interventions

  • DEVICE Placebo
  • DEVICE Gel-200

Trial Details

FieldValue
Enrollment Target 379 participants
Start Date 2006-09
Est. Completion 2007-12
Phase Phase 3
Seikagaku Corporation

12 total trials

What the finished NCT00449696 record still lists

NCT00449696 is an interventional study that assigns participants to a tested intervention. The registered 379 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (51% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT00449696 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00449696 about?

NCT00449696 is a clinical study titled "Gel-200 Versus Placebo in Osteoarthritis of the Knee". The purpose of this study is to determine if a single intra-articular injection of Gel-200 is superior to a single injection of Phosphate Buffered Saline (PBS) in subjects with symptomatic osteoarthritis of the knee.

What is the current status of trial NCT00449696?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 379 participants. The study started on 2006-09. Estimated completion is 2007-12.

What interventions are being tested in trial NCT00449696?

The interventions under investigation include: Placebo (DEVICE), Gel-200 (DEVICE).

Who is sponsoring clinical trial NCT00449696?

This trial is sponsored by Seikagaku Corporation, which has 12 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00449696's enrollment target sits among peer trials

379 987th of 2000 higher than 1,013 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT04560673 · 380 participants · Phase 2

    Duloxetine and Neurofeedback Training for the Treatment of Chemotherapy Induced Peripheral Neuropathy

  • NCT04777357 · 380 participants · Phase 3

    A Study to Assess Change in Disease Activity and Adverse Events (AEs) With Cariprazine in the Treatment of Depressive Episodes in Pediatric Participants Participants (10 to 17 Years of Age) With Bipolar I Disorder.

  • NCT04821154 · 380 participants

    Persona Revision Knee System Outcomes

  • NCT05102019 · 380 participants · NA

    Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00449696, the US trial registry maintained by the National Library of Medicine. NCT00449696 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.