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Completed Phase 3 Interventional

Efficacy and Safety of Diclofenac Sodium Gel (DSG) in Knee Osteoarthritis

ClinicalTrials.gov ID: NCT00426621

Public ClinicalTrials.gov record NCT00426621. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:55 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A 12-Week, Randomized, Double-Blind, Multi-Center, Vehicle-Controlled, Parallel Group Study to Assess the Efficacy and Safety of the Diclofenac Sodium Gel 1% for the Relief of Signs and Symptoms in Patients With Osteoarthritis of the Knee.

Study identification

NCT ID
NCT00426621
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Novartis
Industry
Enrollment
420 participants

Conditions and interventions

Interventions

  • Diclofenac Sodium Gel Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
35 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2006
Primary completion
Not listed
Completion
May 31, 2007
Last update posted
Dec 17, 2007

2006 – 2007

United States locations

U.S. sites
64
U.S. states
27
U.S. cities
62
Facility City State ZIP Site status
Coastal Clinical Research Inc Mobile Alabama 33608
River Region Research, LLC Tallassee Alabama 36078
East Valley Family Physicians Chandler Arizona 85224
HOPE Research Institute Phoenix Arizona 85050
Heartland Research Associates LLC Arkansas City Arkansas 67005
Lovelace Scientific Research, Inc. Beverly Hills California 92011
MED Investigations Carmichael California 95608
MED Investigations, Inc. Fair Oaks California 95628
Universal BioPharma Research, Inc. Fresno California 93703
Santa Barbara Clinical Research, Inc Santa Barbara California 93108
Pacific Arthritis Center Medical Group Santa Maria California 93454
Clinical Research Consultants, LLC Stratford Connecticut 06615
Seidman Clinical Trials Delray Beach Florida 33484
Florida Medical Research Institute Gainesville Florida 32607
South Florida Clinical Research Center Hollywood Florida 33023
Health Awareness, Inc. Jupiter Florida 33458
Suncoast Internal Medicine Consultants Largo Florida 33774
AppleMed Research, Inc. Miami Florida 33155
Suncoast Clinical Research, Inc. New Port Richey Florida 34652
Sunshine Research Center, LLC Opa-locka Florida 33056
Peninsula Research, Inc. Ormond Beach Florida 32174
University Clinical Research, Inc. Pembroke Pines Florida 33024
Andres Patron DO PA Pembroke Pines Florida 33028
Radiant Research - St Petersburg Pinellas Park Florida 33781
Sunrise Medical Research Plantation Florida 33324
Coastal Medical Research Port Orange Florida 32127
Radiant Research Stuart Florida 34996
Intermountain Orthopaedics Boise Idaho 83702
Medical Specialists Clinical Research Center Munster Indiana 46321
Heartland Research Associates, LLC Newton Kansas 67114
Heartland Research Associates, LLC Wichita Kansas 67205
Best Clinical Trial, LLC New Orleans Louisiana 70115
Peter A. Holt, MD Baltimore Maryland 21239
The Center for Rheumatology and Bone Research Wheaton Maryland 20902
Phase III Clinical Research Fall River Massachusetts 02720
Professional Clinical Research, Inc Cadillac Michigan 49601
Twin Cities Clinical Research Brooklyn Center Minnesota 55430
The Center for Pharmaceutical Research Kansas City Missouri 64114
St. Louis Center for Clinical Research St Louis Missouri 63128
Internal Medical Associates Grand Island Nebraska 68803
South Jersey Medical Associates, PA Blackwood New Jersey 08012
North Carolina Arthritis & Allergy Care Center Raleigh North Carolina 27609
Rapid Medical Research, Inc Cleveland Ohio 44122
Radiant Research Columbus Ohio 43212
Radiant Research, Inc. - Akron Mogadore Ohio 44260
Clinical Research Source, Inc Perrysburg Ohio 43551
Neshaminy Medical, PC Bensalem Pennsylvania 19020
Westminster Family Medicine Erie Pennsylvania 16506
Feasterville Family Health Care Center Feasterville Pennsylvania 19053
Southeastern Pennsylvania Medical Institute Havertown Pennsylvania 19083
Radiant Research Philadelphia Pennsylvania 19115
Omega Medical Research Warwick Rhode Island 02886
Radiant Research - Anderson Anderson South Carolina 29621
Holston Medical Group Kingsport Tennessee 37660
Amarillo Center for Clinical Research Amarillo Texas 79124
Walter F. Chase, M.D., P.A. Austin Texas 78705
Radiant Research Dallas North Dallas Texas 75231
Quality Research, Inc. San Antonio Texas 78209
Radiant Research - San Antonio San Antonio Texas 78229
Texas Research Center, LLP Sugar Land Texas 77479
Health Research of Hampton Roads, Inc. Newport News Virginia 23606
Tidewater Integrated Medical Research Virginia Beach Virginia 23451
The Physicians Clinic of Spokane Spokane Washington 99204
Advanced Healthcare Milwaukee Wisconsin 53209

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00426621, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 17, 2007 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00426621 live on ClinicalTrials.gov.

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