View clinical trials related to Keratosis, Actinic.
Filter by:The aim of this study is to investigate how varying incubation periods of topical aminolevulinic acid after pretreatment with microneedle application can facilitate the penetration and efficacy of photodynamic therapy.
This is a prospective, non-interventional study of adult patients prescribed topical treatment with ingenol mebutate gel (Picato®) as part of provision of care for the treatment of Non-hyperkeratotic, non-hypertrophic Actinic Keratosis (AK). Patients with complete clearance at 8 weeks will be followed for one year or until retreatment of AK in the area initially treated, whatever comes first. For patients with incomplete clearance in the treated area at 8 weeks the treatment strategy for this area will be recorded but no further follow-up will take place. The effectiveness, tolerability, adherence, patient satisfaction and health-related quality of life (HRQoL) associated with Picato® treatment will be evaluated.
The aim of this study is to assess the delivery of SR-T100 from the topical gel (containing 2.3% solamargine in Solanum undatum plant extract) by determining the plasma levels of solamargine in subjects with AK while administration of a 25 cm2 contiguous or non-contiguous dermal treatment area.
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
The objective of the trial is to compare the short term efficacy of LEO 43204 gel with vehicle gel in AK on face or chest when applied topically once daily for 3 consecutive days as field treatment
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.
The objective of the trial is to compare the short term efficacy of LEO 43204 gel with vehicle gel in AK on face or chest when applied topically once daily for 3 consecutive days as field treatment.
Photodynamic therapy (PDT) uses visible light to treat a premalignant condition, called actinic keratosis, which results on chronically sun exposed skin such as on a balding scalp. A cream is applied containing aminolaevulinic acid or methyl aminolaevulinate and this is converted in the cells to the photodegradable product protoporphyrin IX (PpIX). Visible light causes the degradation of PpIX resulting in the production of reactive oxygen species and then cell death in the actinic keratosis. In conventional PDT a lamp is used to supply the visible light. The main draw back to treatment is pain. Recent studies have shown that daylight can be used as the source of visible light and is as effective as conventional PDT. Patients find this form of treatment less painful and therefore preferable. The reduction in pain seen in daylight PDT appears to be related to the fact that no significant quantity of PpIX accumulates prior to exposure to the light source and small quantities of PpIX are activated continuously during daylight exposure. The drawback of performing daylight PDT in Ireland is the climate, both in terms of cloud cover and temperature. The typical daylight treatment times is 2 hours and it would be difficult for patients to stay outside in winter, spring and autumn. This study investigates the use of an artificial white light source, a Maquet PWD 50SF theatre-light, as an alternative.
The substance ingenol mebutate (IM) is registered in Switzerland and many countries worldwide for the treatment of actinic keratosis (AK). There is no data on the use of IM in organ transplant recipients, a population highly affected by AK and skin cancer at large. The investigators want to study the use of IM against AK in this high-risk group of patients and assess its safety. The investigators are hoping to prove that IM is safe to use in AK of organ transplant recipients, allowing its use in the clinical routine treatement of AK also in this subset of patients with AK.
This study compares two photosensitizing creams' BF-200 ALA's (aminolevulinic acid, Ameluz®) and MAL's (methyl 5-aminolevulinate, Metvix®) efficacy on actinic keratoses in natural daylight photodynamic therapy (NDL-PDT). The participants' facial skin or scalp will be randomized in two sides and one side is treated with BF-200 ALA and the other side with MAL. Result of the treatment is assessed with clinical examination 12 months after treatment. The investigators will also compare delayed skin reactions after treatment and cost-effectiveness of both photosensitizer creams.