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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 Oct 30, 2026, 9:25 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.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will test the efficacy and safety of topical diclofenac sodium gel in the treatment of knee osteoarthritis.

Study identification

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

Conditions and interventions

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
Nov 2006 (Type not available)
Primary completion
Not listed
Completion
Jun 2007 (Actual)
Last update posted
Dec 18, 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 18, 2007 · Synced Oct 30, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00426621 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →