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Clinical Trial Summary

RATIONALE: Photodynamic therapy uses a drug that becomes active when it is exposed to a certain kind of light. When the drug is active, cancer cells are killed. Photodynamic therapy using methyl-5-aminolevulinate hydrochloride cream may be effective against skin cancer. PURPOSE: This phase I trial is studying the side effects and best dose of photodynamic therapy with methyl-5-aminolevulinate hydrochloride cream in determining pain threshold patients with skin cancer


Clinical Trial Description

PRIMARY OBJECTIVES: I. To determine the "low" initial irradiance that causes no or minimal (pain grade of < 4) during the time period during which 90 +/- 10% photo bleaching of protoporphyrin IX (PplX) in the lesion occurs, and which precedes the "high" irradiance portion of MAL/PDT. II. To determine the effects of preceding "low" irradiance on the pain level of the "high" irradiance portion of MAL-PDT. SECONDARY OBJECTIVES: I. To determine the effects of irradiance on lesion perfusion. II. To determine PpIX and Total Vit D content in blood. TERTIARY OBJECTIVES: I. To monitor the clinical outcomes of the treatments for initial response and recurrences. OUTLINE: Patients are randomized to 1 of 2 treatment arms. GROUP I: Patients apply methyl-5-aminolevulinate hydrochloride (MAL) cream on the lesions and the surrounding normal skin. Beginning 3 hours later, patients undergo laser light treatment for 3-5 minutes. GROUP II: Patients apply MAL cream on the lesions and the surrounding normal skin. Beginning 3 hours later, patients undergo light-emitting diode treatment for 10-20 minutes. After completion of study treatment, patients are followed up at 5-7 days, at 6-12 months, and at 24 months. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01292668
Study type Interventional
Source Roswell Park Cancer Institute
Contact
Status Completed
Phase Phase 1
Start date March 2011
Completion date September 2014

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