A Randomized Controlled Study to Observe the Efficacy of External Treatment With a Traditional Chinese Medicine Herbal Ointment on Malignant Plural Effusion: Outcome Report and Design Review

Abstract

Kang'ai Xiaoshui ointment showed a potential of reducing MPE, and it could alleviate symptoms of dyspnea. Thus, it may be appropriate as a supplementary intervention for MPE. There were some flaws in the study design. A larger scale and better designed trial is advocated.