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GSK2585823

Phase 3

Acne Vulgaris | Small molecule | Dermatology |GSK plc|Trials Updated: Apr 27, 2018

GSK2585823 development status

Highest phase Phase 3
Registered trials 3 across 1 sponsor since Sep 2011

GSK2585823 target and mechanism

ModalitySmall molecule

Also known as GSK2585823(CLDM 1%-BPO 3% gel)

Success Probability

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Market & Valuation

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Trial Design

RandomizedPLACEBO_CONTROLLED
Total Trials3
Total Enrollment832

FDA Designations

No designations recorded

GSK2585823 clinical trials

GSK2585823 · 3 trials · 1 indication

Phase 3 1Phase 1 2
NCT01445301Study STF115287, a Clinical Confirmation Study of GSK2585823 in the Treatment of Acne Vulgaris in Japanese SubjectsAcne Vulgaris
COMPLETED800 Analytics
PHASE3COMPLETED
Study STF115287, a Clinical Confirmation Study of GSK2585823 in the Treatment of Acne Vulgaris in Japanese Subjects
Acne VulgarisUnlock trial analytics

Study Endpoints

Primary Endpoints

Absolute Change From Baseline to Week 12 in Total Lesion Counts.
Baseline (Day 1) and Week 12

The investigator (or subinvestigator) counted all inflammatory lesions (papules, pustules, and nodular lesions) and non-inflammatory lesions (open and closed comedones) on the face at each study visit. An open comedone was an open, widely dilated follicle with black-colored sebum, due to melanin and oxidation, and keratinous material that forms a plug, thereby obstructing the pilosebaceous duct. A closed comedone was a closed follicle filled with impacted sebum covered by keratin that has a whitish color. A papule was a small, raised, red, dome-shaped palpable lesion. A pustule was a raised, dome-shaped palpable lesion containing yellow fluid (pus). A nodule might be a raised or deep-seated, dome-shaped palpable lesion of at least 5 millimeters in diameter. Day 1 was Baseline and change from baseline was calculated by subtracting the Baseline value from post-randomization value at Week 12.

Comparison of plasma benzoic acid and hippuric acid pharmacokinetics between pre-application and post-application (7-days repeat) of GSK2585823
Participants will be followed up to 7 days after the last application, an expected average of 15 days

Blood PK sampling time frame: 0, 0.5, 1, 1.5, 2, 3, 4, 6, 9,12hours post-dose (Day 1 and Day 8). Parameters: Maximum observed concentration(Cmax),Time of occurrence of Cmax (tmax), Area under the concentration-time curve from time zero (pre-dose) extrapolated to last time (AUC0-last), Area under the concentration-time curve from time zero (pre-dose) to 12 hours of quantifiable concentration within a subject across all treatments (AUC0-12) and Terminal phase half-life (t1/2,) for both benzoic acid and hippuric acid, after multiple application of GSK2585823, if calculable

Dermal irritancy (simple patch test)
Participants will be followed for the duration of hospital stay, an expected average of 22 days.
Photo allergy and toxicity (Photo patch test)
Participants will be followed for the duration of hospital stay, an expected average of 22 days.

Secondary Endpoints

Absolute Change From Baseline to Weeks 1, 2, 4, and 8 in Total Lesion Counts
Baseline (Day 1) and Weeks 1, 2, 4, and 8
Absolute Change From Baseline to Weeks 1, 2, 4, 8, and 12 in Inflammatory and Non-inflammatory Lesion Counts
Baseline (Day 1) and Weeks 1, 2, 4, 8, and 12
Percent Change From Baseline to Weeks 1, 2, 4, 8, and 12 in Total, Inflammatory, and Non- Inflammatory Lesion Counts
Baseline (Day 1) and Weeks 1, 2, 4, 8, and 12
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Study Design & Arms

AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
GSK2585823(CLDM 1%-BPO 3% gel) once dailyEXPERIMENTALSubjects will apply in a quantity sufficient to cover the entire face (including the forehead, nose, cheeks, and chin). Also, the dose regimen will be once daily in the evening/bedtime.
GSK2585823(CLDM 1%-BPO 3% gel) twice dailyEXPERIMENTALSubjects will apply in a quantity sufficient to cover the entire face (including the forehead, nose, cheeks, and chin). Also, the dose regimen will be twice daily in the morning and evening/bedtime.
CLDM 1% gel twice dailyACTIVE_COMPARATORSubjects will apply in a quantity sufficient to cover the entire face (including the forehead, nose, cheeks, and chin). Also, the dose regimen will be twice daily in the morning and evening/bedtime.
GSK2585823EXPERIMENTALExternal Preparation
Benzoic peroxide 3%ACTIVE_COMPARATORexternal preparation
Benzoic peroxide 5%ACTIVE_COMPARATORexternal preparation
VehiclePLACEBO_COMPARATORexternal preparation

Interventions

NameTypeDescription
GSK2585823(CLDM 1%-BPO 3% gel)DRUGTopical gel in 1 g containing clindamycin 10 mg and benzoyl peroxide 30 mg
CLDM 1% gel twice dailyDRUGTopical gel containing clindamycin 10 mg/1 g gel
GSK2585823DRUGCLDM1%/BPO3%
Benzoyl peroxide 3%DRUGBenzoyl peroxide 3%
Benzoyl peroxide 5%DRUGBenzoyl peroxide 5%
VehicleOTHERplacebo
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Eligibility Criteria

Age Range12 Years to 45 Years
SexALL
Healthy VolunteersNo
Study Sites26

Inclusion Criteria: * Male or female subjects 12 to 45 years (inclusive) of age in good general health. * Subjects must have both on the face: A) A minimum of 17 but not more than 60 inflammatory lesions (papules/pustules), including nasal lesions. And B) A minimum of 20 but not more than 150 non...

Countries:Japan
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Frequently asked questions about GSK2585823

What is GSK2585823 used for?

GSK2585823 is being developed for the treatment of acne vulgaris, a common inflammatory skin condition. It is a topical small molecule therapy applied as a gel. The clinical program has studied the drug in Japanese subjects with acne vulgaris, including a Phase 3 confirmation study and two Phase 1 pharmacokinetic studies.

Who is developing GSK2585823?

GSK2585823 is developed by GSK plc, which trades under the ticker GSK. The company sponsored all three clinical trials of the compound, which were conducted in Japan. GSK plc is the sole developer identified for this topical acne vulgaris asset.

What phase is GSK2585823 in?

GSK2585823 has completed a Phase 3 clinical trial, making it the most advanced stage reached in its development program. The compound is investigational and has not been approved by the FDA. All three of its registered trials, one Phase 3 and two Phase 1 studies, are listed as completed.

What clinical trials is GSK2585823 in?

GSK2585823 has been studied in three completed clinical trials. The Phase 3 study NCT01445301 enrolled 800 Japanese subjects with acne vulgaris. Phase 1 trials NCT01527123 and NCT01428466 enrolled 12 and 20 subjects respectively, evaluating pharmacokinetics and safety in Japanese participants.

Is GSK2585823 the same as GSK2585823(CLDM 1%-BPO 3% gel)?

Yes, GSK2585823(CLDM 1%-BPO 3% gel) is an alternative name for GSK2585823. The parenthetical describes the formulation as a gel containing clindamycin 1 percent and benzoyl peroxide 3 percent. Both names refer to the same topical acne vulgaris treatment candidate developed by GSK plc.

How many patients were enrolled in GSK2585823 trials?

Across the three completed clinical trials, 832 subjects were enrolled in studies of GSK2585823. The Phase 3 trial NCT01445301 accounted for 800 of those participants, while the two Phase 1 pharmacokinetic studies enrolled 12 and 20 subjects. All trials were conducted in Japan.