title: Aminolevulinic acid hydrochloride with photodynamic therapy: efficacy outcomes and recurrence 4 years after treatment.
abstract: The safety and efficacy of treating individuals who presented with multiple actinic keratosis (AK) lesions with 5-aminolevulinic acid (ALA) in combination with photodynamic therapy (PDT) were documented in a phase III trial. This report highlights results of this phase III trial and reviews 4 specific cases of sustained AK lesion clearance 4 years after treatment with ALA/PDT Long-term recurrence data were collected from patients who participated in clinical trials of ALA/PDT Long-term evaluation extended to 36 to 48 months (4 years) supports primary efficacy findings of the phase III pivotal trial, with a low incidence of AK recurrence in patients treated with ALA/PDT
authors.affiliation: University of Louisville School of Medicine, Kentucky, USA.
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Fowler
authors.forename: Robert H
authors.initials: RH
authors.lastname: Zax
mesh_terms: D000279:Administration, Cutaneous; D000328:Adult; D000368:Aged; D000622:Aminolevulinic Acid / Q000008:administration & dosage / Q000627:therapeutic use*; D017322:Clinical Trials, Phase II as Topic; D005148:Facial Dermatoses / Q000188:drug therapy* / Q000473:pathology; D005260:Female; D006801:Humans; D007642:Keratosis / Q000188:drug therapy* / Q000473:pathology; D008137:Longitudinal Studies; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000188:drug therapy* / Q000473:pathology; D010778:Photochemotherapy; D017319:Photosensitizing Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic; D012536:Scalp Dermatoses / Q000188:drug therapy* / Q000473:pathology; D012720:Severity of Illness Index; D016037:Single-Blind Method; D016896:Treatment Outcome
chemical_list: D017319:Photosensitizing Agents; D000622:Aminolevulinic Acid