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Tuberc Respir Dis > Volume 57(4); 2004 > Article
Original Article
Tuberculosis and Respiratory Diseases 2004;57(4):358-363.
DOI: https://doi.org/10.4046/trd.2004.57.4.358    Published online October 1, 2004.
Effect of Photodynamic Therapy in Lung Cancer.
Sung Ho Yoon, Kyung Taek Han, Gyung Nam Kim, Seung Il Lee
Department of Internal Medicine, Chosun University, College of Medic1ine, Gwangju, Korea. drdbs@chosun.ac.kr
Abstract
BACKGROUND
Photodynamic therapy (PDT) involves the use of photosensitizing agents for treatment of malignant disease. PDT is approved by the U.S. Food and Drug Administration for the endobronchial microinvasive nonsmall cell lung cancer and for palliation in patients with obstructing tumors. We report our experience and results of PDT in lung cancer. METHOD:Ten patients with lung cancer who were diagnosed in Chosun university hospital by histologic confirm through bronchoscopy were included between August 2002 and May 2003. The photosensitizer (Photogem(R), Lomonosov institute of Fine Chemical, Russia/ dose 2.0 mg/kg body weight) was injected 48 hours prior to the PDT session. For PDT with the photosensitizer (Photogem(R)), Diode LASER system (Biolitec Inc., Germany, wavelength; 633nm) were used. PDTs were done at 48-72 hours after photogem injection. Follow up bronchoscopy and chest X-ray or thorax computerized tomography were done for evaluate PDT response. RESULTS: 9 of 10 patients with endobronchial obstruction showed partial remission with bronchus opening after PDT. Direct reaction of the tumor to PDT was similar in despite of its localization. It was as follows; edema, hyperemia, in-situ bleeding, fibrin film occurrence. Any other complications such as sunburns of skin, inflammation within the PDT zone were not occurred by the end of the fourth week. CONCLUSION: In the advanced endobronchial disease, PDT has been shown to be useful in treating endobronchial tumors that are causing clinically significant dyspnea or are likely to progress and lead to further clinical complications, such as postobstructive pneumonia.
Key Words: Lung cancer, Photodynamic therapy (PDT), Palliation
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