Study Comparing a Generic Diclofenac Sodium Topical Gel, 1% to Voltaren in the Treatment of Subjects With Osteoarthritis of the Knee
A Multi-Center, Double-Blind, Vehicle-Controlled, Parallel-Group Study Comparing a Generic Diclofenac Sodium Topical Gel, 1% to Voltaren® Gel (Diclofenac Sodium Topical Gel) 1% in the Treatment of Subjects With Osteoarthritis of the Knee
1 other identifier
interventional
1,176
1 country
22
Brief Summary
To establish the therapeutic equivalence and safety of a generic Diclofenac Sodium Topical Gel, 1% with Voltaren® Gel 1% in subjects with osteoarthritis of the knee.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Apr 2014
Shorter than P25 for phase_3
22 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2014
CompletedFirst Submitted
Initial submission to the registry
April 21, 2014
CompletedFirst Posted
Study publicly available on registry
April 23, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2014
CompletedResults Posted
Study results publicly available
June 16, 2021
CompletedJune 16, 2021
May 1, 2021
6 months
April 21, 2014
April 30, 2021
May 21, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change From Baseline to 4 Weeks in WOMAC Pain Score
Mean change from baseline to week 4 in the Western Ontario McMaster Osteoarthritis (WOMAC) pain score: 5-point Likert scale: none=o, mild=1, moderate=2, severe=3, extreme=4
Baseline and Week 4
Study Arms (3)
Diclofenac Sodium Topical Gel, 1%
EXPERIMENTALDiclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks
Voltaren Topical Gel, 1%
ACTIVE COMPARATORVoltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks
Vehicle Diclofenac Sodium Topical Gel
PLACEBO COMPARATORVehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks
Interventions
Eligibility Criteria
You may qualify if:
- Healthy, ambulatory male or non-pregnant female subjects aged ≥ 35 years with a clinical diagnosis of OA of the knee.
- Had an X-ray of the target knee, taken no more than 1 year before baseline, showing evidence of OA with Kellgren-Lawrence grade 1-3 disease.
- After discontinuing all pain medications for at least 7 days, has at least moderate pain on movement for target knee
- If female and of child-bearing potential, agree to abstain from sexual intercourse or use a reliable method of contraception during the study
- Able to tolerate rescue medication with paracetamol/acetaminophen.
You may not qualify if:
- Pregnant or lactating or planning to become pregnant during the study period.
- X-ray showing evidence of OA with Kellgren-Lawrence grade 4 disease.
- History of OA pain in the contralateral knee requiring medication within 1 year prior to screening.
- After discontinuing all pain medications for at least 7 days, has a baseline score of ≥20 mm on a 0-100 mm Visual Analog Scale (VAS) for the contralateral knee immediately prior to randomization.
- History of secondary OA, rheumatoid arthritis, chronic inflammatory disease or fibromyalgia.
- History of asthma, hypertension, myocardial infarction, thrombotic events, stroke, congestive heart failure, impaired renal function or liver disease.
- History of gastrointestinal bleeding or peptic ulcer disease.
- Use of warfarin or other anticoagulant therapy within 30 days of study randomization.
- Elevated transaminases at screening.
- Use of ACE inhibitors, cyclosporine, diuretics, lithium or methotrexate, within 30 days of study randomization.
- Concomitant use of corticosteroids or use within 30 days of study randomization.
- Concomitant acetylsalicylic acid therapy other than a stable low dose used for cardiac prophylaxis taken for at least 3 months prior to enrollment and maintained throughout the duration of the study.
- Known allergy to aspirin or nonsteroidal anti-inflammatory drug
- Any other acute or chronic illness that could compromise the integrity of study data or place the subject at risk by participating in the study.
- Receipt of any drug as part of a research study within 30 days prior to screening.
- +4 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (22)
Sunshine Hospitals
Secunderabad, Andhra Pradesh, 500003, India
King George Hospital
Visakhapatnam, Andhra Pradesh, 530002, India
Rathi Orthopedic and Research Centre
Ahmedabad, Gujarat, 380 015, India
B. J. Medical College & Hospital
Ahmedabad, Gujarat, 380016, India
GMERS Medical College and Hospital
Ahmedabad, Gujarat, 380061, India
Shir Hatkesh Sarvajanik Tabibi Chikitsha Kendra
Jūnāgadh, Gujarat, 362 001, India
Centre For Knee Surgery
Vadodara, Gujarat, 390007, India
Shree Giriraj Multispeciality Hospital
Rajkot, Gujurat, 360007, India
St Johns Medical College
Bangalore, Karnataka, 560034, India
K L E Societys Jawaharlal Nehry Medical College
Belagavi, Karnataka, 590010, India
Mysore Medical College
Mysore, Karnataka, 570001, India
Government Medical College, Calicut
Calicut, Kerala, 673008, India
Psm Dept Ltmmc & Ltmg Hospital
Mumbai, Maharashtra, 400022, India
Government Medical College
Nagpur, Maharashtra, 440009, India
Jasleen Hospital
Nagpur, Maharashtra, 440010, India
Lata Mangeshkar Hospital
Nagpur, Maharashtra, 440019, India
Bj Medical College
Pune, Maharashtra, 411001, India
Malpani Multispeciality Hospital
Jaipur, Rajasthan, 302023, India
Apollo Speciality Hospitals
Madurai, Tamil Nadu, 625020, India
M V Hospital and Research Centre
Lucknow, Uttar Pradesh, 226 003, India
King Georges Medical University
Lucknow, Uttar Pradesh, 226003, India
Goa Medical College
Goa, 403716, India
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Candis Edwards
- Organization
- Amneal Pharmaceuticals
Study Officials
- STUDY DIRECTOR
Prayag Shah, MD
Amneal Pharmaceuticals, LLC
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 21, 2014
First Posted
April 23, 2014
Study Start
April 1, 2014
Primary Completion
October 1, 2014
Study Completion
December 1, 2014
Last Updated
June 16, 2021
Results First Posted
June 16, 2021
Record last verified: 2021-05