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1% Diclofenac

Phase 3

Pain | Small molecule | Pain |GSK plc|Trials Updated: Jan 12, 2018

1% Diclofenac target and mechanism

ModalitySmall molecule

Also known as 1% Diclofenac Sodium

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment421

FDA Designations

No designations recorded

1% Diclofenac clinical trials

1% Diclofenac · 2 trials · 1 indication

Phase 3 1Phase 1 1
NCT02100670A Multicenter Efficacy Study of a Diclofenac+Menthol Gel in Subjects With Ankle SprainPain
COMPLETED385 Analytics
PHASE3COMPLETED
A Multicenter Efficacy Study of a Diclofenac+Menthol Gel in Subjects With Ankle Sprain
PainUnlock trial analytics

Study Endpoints

Primary Endpoints

Area Under the Curve From Day 1 to Day 3 (AUC1-3 Days) of Pain Intensity(PI) on Movement for Diclofenac/Methanol Gel and Placebo Gel
up to 72 hours

AUC of PI on movement was measured by a numerical rating scale (NRS) during the 48 hour time interval from Day 1 to 3. AUC1-3 day was calculated based on trapezoidal method. Pain intensity was measured in NRS scale from 0 (no pain) to 10 (extreme pain). Participants assessed the severity of ankle pain using the NRS scale at baseline (prior to treatment) and at 10, 30 minutes and 1, 4, 6, 12, 18 and 24 hours after the first dose of treatment and twice daily after dosing.

Treatment mean cumulative irritation score
Day 21

Cumulative irritation scores will be defined daily as the sum of irritation score and grade number

Adverse event assessment
21 days + 5 days follow-up

Adverse events will be graded on a three-point scale: 1. Mild-easily tolerated, causing minimal discomfort and not interfering with normal everyday activities; 2. Moderate-sufficiently discomforting to interfere with normal everyday activities; 3. Severe-any event that prevents normal everyday activities

Secondary Endpoints

AUC1-3 Days of PI on Movement for Diclofenac Sodium + Methanol, Diclofenac, Methanol and Placebo
up to 72 hours
Pain Intensity Difference (PID) on Movement
Baseline to 10 days
PID at Rest
Baseline to 10 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
1% diclofenac sodium plus 3% mentholEXPERIMENTAL1% diclofenac sodium plus 3% menthol gel supplied in 30 gram (g) tubes sufficient for each subject to apply 4g of gel to the injured ankle region four times daily for up to 10 days.
1% diclofenac sodium plus 0.09% mentholEXPERIMENTAL1% diclofenac sodium plus 0.09% menthol gel supplied in 30g tubes sufficient for each subject to apply 4g of gel to the injured ankle region four times daily for up to 10 days.
3% mentholEXPERIMENTAL3% menthol gel supplied in 30g tubes sufficient for each subject to apply 4g of gel to the injured ankle region four times daily for up to 10 days.
Placebo with 0.09% menthol gelPLACEBO_COMPARATORPlacebo with 0.09% menthol gel supplied in 30g tubes sufficient for each subject to apply 4g of gel to the injured ankle region four times daily for up to 10 days.
Diclofenac Sodium/Menthol GelEXPERIMENTAL1% diclofenac sodium + 3% menthol
Diclofenac GelACTIVE_COMPARATOR1% diclofenac sodium + 0.09% menthol
Menthol GelACTIVE_COMPARATOR3% menthol
Placebo GelPLACEBO_COMPARATOR0.09% menthol
Voltaren GelACTIVE_COMPARATOR1% diclofenac sodium
Sodium lauryl sulfatePLACEBO_COMPARATOR0.2% Sodium lauryl sulfate
SalinePLACEBO_COMPARATOR0.9% saline

Interventions

NameTypeDescription
1% diclofenac sodium plus 3% mentholDRUGTo be applied four times daily for 10 days.
1% diclofenac sodium plus 0.09% mentholDRUGTo be applied four times daily for 10 days.
3% mentholDRUGTo be applied four times daily for 10 days.
Placebo with 0.09% menthol gelDRUGTo be applied four times daily for 10 days.
1% Diclofenac SodiumDRUG1% diclofenac sodium
0.09% MentholDRUG0.09% Menthol
0.2% Sodium Lauryl SulfateDRUG0.2% Sodium Lauryl Sulfate
0.9% SalineDRUG0.9% Saline
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Eligibility Criteria

Age Range16 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * Age: 16-65 years * Good general and mental health * Grade I or Grade II acute sprain of the lateral ankle within 24 hours of Visit 1, a pain intensity score of the ankle sprain that is ≥ 5 as measured on an 11-point numerical rating scale, and a peri-malleolar edema (sub-malle...

Countries:GermanyUnited States
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Frequently asked questions about 1% Diclofenac

What is 1% Diclofenac used for?

1% Diclofenac is a topical pain treatment being developed for pain, including pain from ankle sprain. It is applied to the skin as a gel. GSK plc is developing the product, which has been studied in placebo-controlled trials in adults and adolescents.

Who makes 1% Diclofenac?

1% Diclofenac is being developed by GSK plc, which trades under the ticker GSK. GSK conducted the clinical program for the topical diclofenac gel, including a Phase 3 efficacy study in ankle sprain and a Phase 1 skin irritancy study.

What phase is 1% Diclofenac in?

1% Diclofenac has reached Phase 3 development. Two trials are listed for the program, both completed, including a Phase 3 multicenter efficacy study and a Phase 1 safety study. No active trials are currently listed for this asset.

What clinical trials is 1% Diclofenac in?

1% Diclofenac has been studied in two completed trials. NCT02100670 was a Phase 3 multicenter efficacy study of a diclofenac plus menthol gel in subjects with ankle sprain, enrolling 385 participants in Germany. NCT02169154 was a Phase 1 safety study of skin irritancy potential in 36 healthy volunteers in the United States.