A Dose-Finding Study of GSK2894512 Cream in Subjects With Atopic Dermatitis (AD)

Completed · Phase 2

Conditions studied: Dermatitis, Atopic

In brief

This study will evaluate the efficacy and safety of two concentrations (0.5 percent \[%\] and 1%) and two application frequencies (once a day and twice a day) of GSK2894512 cream for the topical treatment in adolescent and adult subjects with atopic dermatitis. Results from this study will be considered when selecting the most appropriate concentration of GSK2894512 cream and application frequency in future clinical studies. This is a multicenter (United States, Canada, and Japan), randomized, double-blind (sponsor-unblind), vehicle-controlled, 6-arm, parallel-group, dose-finding study in adolescent and adult subjects with atopic dermatitis. Two concentrations of GSK2894512 cream (0.5% and 1%) and a vehicle control cream will be equally randomized and evaluated following application to all atopic dermatitis lesions (except on the scalp) once daily (evening) or twice daily (morning and evening) for 12 weeks. This study will consist of 3 periods: up to 4 weeks screening, 12 weeks double-blind treatment, and 4 weeks post-treatment follow-up. The total duration of subject participation will be approximately 16 to 20 weeks. Approximately 270 adolescent and adult males and females subjects with atopic dermatitis will be screened in order to have at least 228 randomized subjects (38 subjects for each of the 6 treatment groups) and approximately 204 evaluable subjects overall. Approximately 30 subjects will be randomized in Japan to achieve at least 24 evaluable Japanese subjects.

Key facts

Study ID

NCT02564055

Run by

GlaxoSmithKline

People needed

247

Starts

2015-12-01

Expected to finish

2017-01-12

Last updated by the study team

2017-11-20

Who can join

Age: 12 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female between 12 and 65 years of age inclusive, at the time of signing the informed consent
• Diagnosis of atopic dermatitis according to Hanifin and Rajka criteria and having active inflammation.
• Body surface area involvement >=5% and <=35%, excluding scalp, at Screening and Baseline.
• An IGA of atopic dermatitis score of >=3 at Baseline.
• At least one target lesion that measure at least 3 centimetre (cm) х 3 cm in size at Screening and Baseline and must be representative of the subject's disease state, but not located on the hands, feet, or genitalia.
• A female subject is eligible to participate if she is not pregnant (as confirmed by a negative urine human chorionic gonadotrophin test), not lactating, and at least one of the following conditions applies: Non-reproductive potential defined as: 1) Pre-menopausal females with one of the following procedures documented: tubal ligation; hysteroscopic tubal occlusion procedure with follow-up confirmation of bilateral tubal occlusion; hysterectomy; bilateral oophorectomy. 2) Post-menopausal defined as 12 months of spontaneous amenorrhea (in questionable cases a blood sample with simultaneous follicle stimulating hormone and estradiol levels consistent with menopause and falling into the central laboratory's postmenopausal reference range is confirmatory). Females on hormone replacement therapy (HRT) and whose menopausal status is in doubt are required to use one of the highly effective contraception methods if they wish to continue their HRT during the study. Otherwise, they must discontinue HRT to allow confirmation of post-menopausal status prior to study enrolment; Reproductive potential and agrees to follow one of the options listed in the modified list of highly effective methods for avoiding pregnancy in females of reproductive potential from 30 days prior to the first dose of study medication and until after the last dose of study medication and completion of the follow-up visit.

You may not qualify if…

• Unstable course of atopic dermatitis (spontaneously improving or rapidly deteriorating) as determined by the investigator over the previous 4 weeks prior to Baseline.
• Concurrent conditions and history of other diseases: 1) Immunocompromized (eg, lymphoma, acquired immunodeficiency syndrome, Wiskott-Aldrich Syndrome) or have a history of malignant disease within 5 years before the baseline visit; 2) Chronic or acute infection requiring treatment with systemic antibiotics, antivirals, antiparasitics, antiprotozoals, or antifungals within 4 weeks before the baseline visit; 3) Active acute bacterial, fungal, or viral (eg, herpes simplex, herpes zoster, chicken pox) skin infection within 1 week before the baseline visit; 4) Any other concomitant skin disorder (eg, generalized erythroderma such as Netherton's Syndrome, or psoriasis); pigmentation, or extensive scarring that in the opinion of the investigator may interfere with the evaluation of AD lesions or compromise subject safety; 5) Presence of AD lesions only on the hands or feet without prior history of involvement of other classical areas of involvement such as the face or the folds; 6) Other types of eczema.
• A history or ongoing serious illness or medical, physical, or psychiatric condition(s) that, in the investigator's opinion, may interfere with the subject's completion of the study.
• Known hypersensitivity to study treatment excipients.
• Current or chronic history of liver disease, known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones), presence of hepatitis B surface antigen (HBsAg), or positive hepatitis C antibody test result within 3 months of screening.
• Liver function tests: alanine aminotransferase (ALT) >=2x upper limit of normal (ULN); alkaline phosphatase and bilirubin >1.5xULN (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%).
• QTc >=450 milliseconds (msec) or QTc >=480 msec for subjects with bundle branch block.
• NOTES: The QTc is the QT interval corrected for heart rate according to Fridericia's formula (QTcF), with machine over-read. The QTc should be based on a single ECG obtained over a brief recording period. If QTc is outside of the threshold value, triplicate ECGs may be performed with the QTc values averaged.
• Ultraviolet (UV) light therapy or prolonged exposure to natural or artificial sources of UV radiation (eg, sunlight or tanning booth) within 4 weeks prior to the baseline visit and/or intention to have such exposure during the study, which is thought by the investigator to potentially impact the subject's atopic dermatitis.
• Used any of the following treatments within the indicated washout period before the baseline visit: 12 weeks or 5 half-lives (whichever is longer) - biologic agents (eg, 18 weeks for omalizumab); 8 weeks - cyclosporin, methotrexate, azathioprine, or other systemic immunosuppressive or immunomodulating agents (eg, mycophenolate or tacrolimus); 4 weeks - systemic corticosteroids or adrenocorticotropic hormone analogs; 2 weeks - topical treatments: corticosteroids, calcineurin inhibitors, or coal tar (on the body); 2 weeks - immunizations; sedating antihistamines (non sedating antihistamines are permitted); 1 week - topical antibiotics, antibacterial cleansing body wash/soap or diluted sodium hypochlorite "bleach" baths.
• Participated in a clinical study and received an investigational product within the following time period prior to the baseline visit: 4 weeks, 5 half-lives, or twice the duration of the biological effect of the investigational product (whichever is longer).
• History of alcohol or other substance abuse within the last 2 years.
• Participated in a previous study using GSK2894512 (or WBI-1001).

Where it is running

• GSK Investigational Site — Fresno, California, United States
• GSK Investigational Site — Irvine, California, United States
• GSK Investigational Site — Los Angeles, California, United States
• GSK Investigational Site — Oceanside, California, United States
• GSK Investigational Site — Santa Ana, California, United States
• GSK Investigational Site — Denver, Colorado, United States
• GSK Investigational Site — North Logan, Connecticut, United States
• GSK Investigational Site — Atlanta, Georgia, United States
• GSK Investigational Site — Chicago, Illinois, United States
• GSK Investigational Site — West Dundee, Illinois, United States
• GSK Investigational Site — Indianapolis, Indiana, United States
• GSK Investigational Site — New Albany, Indiana, United States
• GSK Investigational Site — Overland Park, Kansas, United States
• GSK Investigational Site — New Orleans, Louisiana, United States
• GSK Investigational Site — Andover, Massachusetts, United States
• GSK Investigational Site — Bay City, Michigan, United States
• GSK Investigational Site — West Bloomfield, Michigan, United States
• GSK Investigational Site — Fridley, Minnesota, United States
• GSK Investigational Site — Saint Joseph, Missouri, United States
• GSK Investigational Site — New York, New York, United States
• GSK Investigational Site — High Point, North Carolina, United States
• GSK Investigational Site — Cincinnati, Ohio, United States
• GSK Investigational Site — Philadelphia, Pennsylvania, United States
• GSK Investigational Site — Pittsburgh, Pennsylvania, United States
• GSK Investigational Site — Fort Smith, Arkansas, United States

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