Journal of Biomedical Optics, May/June 2008
J. Biomed. Opt. 13, 030507 (2008) (3 pages)
©2008 Society of Photo-Optical Instrumentation Engineers. All rights reserved.
Next section | Up: Issue Table of Contents
Go to: Previous Article | Next Article
Other formats: HTML (all one file, 24 kB + graphics) | PDF ( kB)
JBO Letters
Monitoring Pc 4 photodynamic therapy in clinical trials of cutaneous T-cell lymphoma using noninvasive spectroscopy
Tammy K. Lee,1
Elma D. Baron,2 and
Thomas H. Foster1 †
1University of Rochester, Institute of Optics and Department of Imaging Sciences, Rochester, New York 14642
2Case Western Reserve University, University Hospitals of Cleveland, Department of Dermatology, Cleveland, Ohio 44106
(Received: 4 March 2008; accepted: 29 April 2008; published online: 10 June 2008)Silicon phthalocyanine Pc 4 photodynamic therapy (Pc 4-PDT) has emerged as a potentially effective treatment for cutaneous T-cell lymphoma (CTCL). Noninvasive reflectance and fluorescence spectroscopy before, during, and after PDT may provide useful dose metrics and enable therapy to be tailored to individual lesions. We present the design and implementation of a portable bedside spectroscopy system for initial clinical trials of Pc 4-PDT of CTCL. Reflectance and fluorescence spectra were obtained from an early stage CTCL patient throughout the course of the PDT treatment. Preliminary patient data show a significant effect of Pc 4 on the tissue absorption, modest Pc 4 photobleaching, and heterogeneity of Pc 4 within and between the lesions. ©2008 Society of Photo-Optical Instrumentation Engineers
Contents
Next section | Up: Issue Table of Contents
Go to: Previous Article | Next Article
Other formats: HTML (all one file, 24 kB + graphics) | PDF ( kB)