This trial is active, not recruiting.

Condition actinic keratosis
Treatments leo 43204 gel, vehicle gel
Phase phase 3
Sponsor LEO Pharma
Start date November 2015
End date August 2016
Trial size 316 participants
Trial identifier NCT02547363, LP0084-1195


The objective of the trial is to compare the short term efficacy of LEO 43204 gel with vehicle gel in AK on the balding scalp when applied topically once daily for 3 consecutive days as field treatment.

United States No locations recruiting
Other countries No locations recruiting

Study Design

Allocation randomized
Intervention model parallel assignment
Primary purpose treatment
Masking participant, care provider, investigator, outcomes assessor
Treatment once daily for 3 days
leo 43204 gel
(Placebo Comparator)
Treatment once daily for 3 days
vehicle gel

Primary Outcomes

Complete clearance of actinic keratosis (AK) defined as no clinically visible AKs in the treatment area
time frame: 8 weeks

Eligibility Criteria

All participants at least 18 years old.

Inclusion Criteria: - Subjects with 5 to 20 clinically typical, visible and discrete AKs within a treatment area of sun-damaged skin on the full balding scalp (the balding part of the scalp should be greater than 25 cm2 (4 in2) and up to approximately 250 cm2 (40 In2) - Subjects with minimum 3 clinically typical, visible and discrete AKs within a tracking area of 50 cm2 (8 In2). The tracking area must be within the treatment area Exclusion Criteria: - Location of the treatment area (full balding scalp) within 5 cm of an incompletely healed wound or within 5 cm of a suspected BCC or SCC - Treatment with ingenol mebutate gel in the treatment area within the last 12 months - Lesions in the treatment area that have: atypical clinical appearance (e.g. hyperthrophic, hyperkeratotic or cutaneous horns) and /or, recalcitrant disease (e.g. did not respond to cryotherapy on two previous occasions) - History or evidence of skin conditions other than the trial indication that would interfere with the evaluation of the trial medication (e.g. eczema, unstable psoriasis, xeroderma pigmentosum)

Additional Information

Official title Efficacy and Safety of LEO 43204 in Field Treatment of Actinic Keratosis on Balding Scalp Including 12-month Follow-up
Principal investigator Daniel M Siegel, MD
Trial information was received from ClinicalTrials.gov and was last updated in March 2017.
Information provided to ClinicalTrials.gov by LEO Pharma.