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Published on: August 11, 2017
Effects of an Alkaline Diet on EGFR-TKI Therapy in EGFR Mutation-positive NSCLC
Reo Hamaguchi1, Toshihiro Okamoto2, Masaaki Sato3
1Karasuma Wada Clinic, Yasaka Karasuma-oike Building 2F, Kyoto, Japan reo-h@nifty.com.
Background:
The acidic tumor microenvironment is associated with progression of cancers. The purpose of this study was to investigate the association between an alkaline diet and the effect of epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor (TKI) in non-small cell lung cancer (NSCLC) patients.
Patients And Methods:
Eleven advanced or recurrent NSCLC patients with EGFR mutations treated with EGFR-TKI after being instructed to follow an alkaline diet were retrospectively evaluated.
Results:
The median progression-free survival (PFS) and overall survival (OS) were 19.5 (range=3.1-33.8) and 28.5 (range=15.4-46.6) months. The average dosage of EGFR-TKI was 56±22% of the standard dosage. Urine pH was significantly increased after the alkaline diet (6.00±0.38 vs. 6.95±0.55; p<0.05).
Conclusion:
An alkaline diet may enhance the effect of EGFR-TKI treatment in NSCLC patients with EGFR mutations.
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