Long-term results of pleurodesis in malignant pleural effusions: Doxycycline vs Bleomycin


1 Islamic Azad University, Najafabad Branch, Najafabad, Isfahan, Iran

2 Isfahan Cardiovascular Research Center, Isfahan Cardiovascular Research Institute, Isfahan, Iran

3 Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran


Background: The aim of this study was to compare the response of doxycycline and bleomycin in pleurodesis of malignant pleural effusions.
Materials and Methods: The radiologic and clinical responses of doxycycline and bleomycin in pleurodesis of malignant pleural effusions were compared in this randomized clinical trial. Forty-two patients were randomized to receive either bleomycin 45 mg or doxycycline 600 mg as the sclerotherapy agent. Chest X-rays were taken before and after intervention, 10 days and 2 months later to compare the radiologic response. Dyspnea and other side effects, before and after intervention, 10 days and 2 months later were recorded and compared. Chi-square test was applied to analyze the data.
Results: The prevalence of dyspnea and its different severities, 10 days and 2 months after intervention were significantly different (P < 0.05) between the two groups. Analysis of pleural effusions revealed a significant difference (P < 0.05) between Doxycycline vs. Bleomycin 2 months after the intervention. Three months after pleurodesis, only one patient in bleomycin group needed pleural fluid drainage.
Conclusion: Pleural effusions did not change with use of doxycycline and bleomycin in short time but long-term results of doxycycline sclerotherapy was better than bleomycin sclerotherapy in malignant pleural effusions that was supported by this study. However, additional studies with larger sample size are necessary to confirm the results.


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