Photodynamic Therapy With Levulan® +/- Topical Retinoid Pre-Treatment In The Treatment Of Actinic Keratoses

2013-06-26 17:00:00 | BioPortfolio


To determine and compare the safety and efficacy of broad area photodynamic therapy with aminolevulinic acid (ALA-PDT) following topical retinoid pre-treatment vs ALA-PDT with occlusion only (no pretreatment) in subjects with dorsal hand/forearm actinic keratoses, with an incubation time of 60 minutes, using blue light.


Subjects will be randomized such that their RIGHT dorsal hand/forearm will receive one of the following two treatments with the subject's LEFT dorsal hand/forearm receiving the other treatment; Treatment 1 will include pre-treatment of the dorsal hand/forearm with Tazorac 0.1% gel BID for one week, followed by ALA applied to the entire dorsal hand/forearm 60 minutes prior to BLUE light treatment for 16 minutes 40 seconds Treatment 2 will have ALA applied to the entire dorsal hand/forearm and occluded for 60 minutes prior to BLUE light treatment for 16 minutes 40 secondsNote: ALA will be applied to individual dorsal hand/forearm actinic keratoses (AK) lesions followed by broad area application over the entire dorsal hand/forearm surface. The treatment area on the side NOT pre-treated with Tazorac will then be occluded using plastic wrap for 60 minutes. The treatment area of the dorsal hand/forearm is defined as the extensor surface of the hand/forearm between the elbow and the base of the fingers (the fingers are NOT included in the treatment area).

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment




20% aminolevulinic acid HCL


Roger Stewart MD PA
Fort Lauderdale
United States




Stewart, Roger H., M.D., P.A.

Results (where available)

View Results


Published on BioPortfolio: 2013-06-26T17:00:00-0400

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Medical and Biotech [MESH] Definitions

A compound produced from succinyl-CoA and GLYCINE as an intermediate in heme synthesis. It is used as a PHOTOCHEMOTHERAPY for actinic KERATOSIS.

An enzyme that catalyzes the formation of porphobilinogen from two molecules of 5-aminolevulinic acid. EC

The 4-carboxyaldehyde form of VITAMIN B 6 which is converted to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid.

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