Trial Outcomes & Findings for Study Comparing a Generic Diclofenac Sodium Topical Gel, 1% to Voltaren in the Treatment of Subjects With Osteoarthritis of the Knee (NCT NCT02121002)

NCT ID: NCT02121002

Last Updated: 2021-06-16

Results Overview

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

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1176 participants

Primary outcome timeframe

Baseline and Week 4

Results posted on

2021-06-16

Participant Flow

Participant milestones

Participant milestones
Measure
Diclofenac Sodium Topical Gel, 1%
Diclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Diclofenac Sodium Topical Gel, 1%: Opaque, white gel
Voltaren Topical Gel, 1%
Voltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Voltaren Topical Gel, 1%: Opaque, white gel
Vehicle Diclofenac Sodium Topical Gel
Vehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks Vehicle Diclofenac Sodium Topical Gel: Opaque, white gel
Overall Study
STARTED
392
393
391
Overall Study
COMPLETED
385
389
381
Overall Study
NOT COMPLETED
7
4
10

Reasons for withdrawal

Reasons for withdrawal
Measure
Diclofenac Sodium Topical Gel, 1%
Diclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Diclofenac Sodium Topical Gel, 1%: Opaque, white gel
Voltaren Topical Gel, 1%
Voltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Voltaren Topical Gel, 1%: Opaque, white gel
Vehicle Diclofenac Sodium Topical Gel
Vehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks Vehicle Diclofenac Sodium Topical Gel: Opaque, white gel
Overall Study
Physician Decision
2
0
0
Overall Study
Withdrawal by Subject
3
1
4
Overall Study
Protocol Violation
1
2
4
Overall Study
Concomitant therapy
0
1
1
Overall Study
Others
1
0
1

Baseline Characteristics

Study Comparing a Generic Diclofenac Sodium Topical Gel, 1% to Voltaren in the Treatment of Subjects With Osteoarthritis of the Knee

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Diclofenac Sodium Topical Gel, 1%
n=391 Participants
Diclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Diclofenac Sodium Topical Gel, 1%: Opaque, white gel
Voltaren Topical Gel, 1%
n=393 Participants
Voltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Voltaren Topical Gel, 1%: Opaque, white gel
Vehicle Diclofenac Sodium Topical Gel
n=391 Participants
Vehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks Vehicle Diclofenac Sodium Topical Gel: Opaque, white gel
Total
n=1175 Participants
Total of all reporting groups
Age, Customized
<= 18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Age, Customized
between 18 and 65 years
357 Participants
n=5 Participants
351 Participants
n=7 Participants
354 Participants
n=5 Participants
1062 Participants
n=4 Participants
Age, Customized
>=65year
34 Participants
n=5 Participants
42 Participants
n=7 Participants
37 Participants
n=5 Participants
113 Participants
n=4 Participants
Sex: Female, Male
Female
255 Participants
n=5 Participants
244 Participants
n=7 Participants
254 Participants
n=5 Participants
753 Participants
n=4 Participants
Sex: Female, Male
Male
136 Participants
n=5 Participants
149 Participants
n=7 Participants
137 Participants
n=5 Participants
422 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline and Week 4

Population: Across study groups, the per protocol (PP) population included 1147 subjects (97.53%) and the modified intention-to-treat (mITT) population included 1166 subjects (99.15%). For various reasons, 10 subjects were excluded from mITT population while 29 subjects were excluded from PP population out of 1176 subjects randomized in the study

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

Outcome measures

Outcome measures
Measure
Diclofenac Sodium Topical Gel, 1%
n=391 Participants
Diclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Diclofenac Sodium Topical Gel, 1%: Opaque, white gel
Voltaren Topical Gel, 1%
n=393 Participants
Voltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Voltaren Topical Gel, 1%: Opaque, white gel
Vehicle Diclofenac Sodium Topical Gel
n=391 Participants
Vehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks Vehicle Diclofenac Sodium Topical Gel: Opaque, white gel
Change From Baseline to 4 Weeks in WOMAC Pain Score
2.2332 score on a scale
Standard Error 0.1160
2.0287 score on a scale
Standard Error 0.1157
-0.6387 score on a scale
Standard Error 0.1172

Adverse Events

Diclofenac Sodium Topical Gel, 1%

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Voltaren Topical Gel, 1%

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Vehicle Diclofenac Sodium Topical Gel

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Diclofenac Sodium Topical Gel, 1%
n=391 participants at risk
Diclofenac Sodium Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Diclofenac Sodium Topical Gel, 1%: Opaque, white gel
Voltaren Topical Gel, 1%
n=393 participants at risk
Voltaren Topical Gel, 1%. 4 gm, 4 times a day for 4 weeks Voltaren Topical Gel, 1%: Opaque, white gel
Vehicle Diclofenac Sodium Topical Gel
n=391 participants at risk
Vehicle Diclofenac Sodium Topical Gel. 4 gm, 4 times a day for 4 weeks Vehicle Diclofenac Sodium Topical Gel: Opaque, white gel
Gastrointestinal disorders
Gastrooesophageal reflux disease
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/393 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.26%
1/391 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
General disorders
Oedema,
0.26%
1/391 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/393 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
Infections and infestations
Nasopharyngitis Cough
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/393 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.26%
1/391 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
General disorders
Pyrexia
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.25%
1/393 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.26%
1/391 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
Skin and subcutaneous tissue disorders
Pruritus and Rash Pruritic
0.26%
1/391 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/393 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
Nervous system disorders
Headache
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.25%
1/393 • Number of events 1 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.
0.00%
0/391 • The over all time frame for any the Adverse Events is maximum 9days starting from date of appearance to date of disappearance.

Additional Information

Candis Edwards

Amneal Pharmaceuticals

Phone: 631-974-7949

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place