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Serum lactate dehydrogenase is a possible predictor of platinum resistance in ovarian cancer
Asami Ikeda,Ken Yamaguchi,Hajime Yamakage,Kaoru Abiko,Noriko Satoh-Asahara,Kenji Takakura,Ikuo Konishi 대한산부인과학회 2020 Obstetrics & Gynecology Science Vol.63 No.6
ObjectiveThe need for tailoring ovarian cancer treatments to individual patients is increasing. This study aimed to evaluate theprognostic value of pretreatment laboratory test data for predicting the response and survival outcomes of platinumbasedchemotherapy in ovarian cancer. MethodsWe enrolled 270 patients with ovarian cancer diagnosed at the Kyoto Medical Center (n=120; group A) and KyotoUniversity (n=150; group B). Data on 9 blood parameters (neutrophil to lymphocyte ratio [NLR], platelet to lymphocyterate [PLR], C-reactive protein, lactate dehydrogenase [LDH], glucose, total cholesterol, high-density lipoprotein [HDL],low-density lipoprotein, and triglyceride levels), cancer pathology, cancer stage, cytoreduction outcomes, serumcancer antigen 125 levels, platinum-free interval (PFI), disease-free survival (DFS), and overall survival were assessedretrospectively. ResultsNLR, PLR, LDH, and HDL were significantly different in advanced stage patients (P<0.001, <0.001, 0.029, and <0.001,respectively). The Kaplan-Meier curves revealed that high LDH level (≥250 U/L) was associated with reduced PFI(P=0.037 and 0.012) and DFS (P=0.007 and 0.002) in groups A and B, respectively. High NLR (≥4) was associated withreduced DFS in both groups (P=0.036 and 0.005, respectively). LDH showed higher area under the curve (AUC) valuesin predicting platinum resistance with a PFI of less than 6 months and 12 months (AUC=0.606 and 0.646, respectively)than NLR. In the multivariate analysis, LDH remained significant (P=0.019) after adjusting for the 9 blood parameters. ConclusionSerum LDH level may possibly predict platinum resistance and prognosis in ovarian cancer and may be useful whendeveloping precision medicine for individual patients.
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Yasufumi Katanasaka,Naoki Yoshida,Hirotaka Naitou,Ryuya Naruta,Yusuke Miyazaki,Yoichi Sunagawa,Masafumi Funamoto,Kana Shimizu,Satoshi Shimizu,Numila Sari,Hajime Yamakage,Noriko Satoh-Asahara,Koji Hase 한국식품영양과학회 2021 Journal of medicinal food Vol.24 No.11
Black tea is a popular beverage worldwide. Theaflavins (TFs), which are active functional components of black tea, are potentially valuable for preventing and/or treating the progression of periodontal diseases. Our previous pilot study showed that TF intake decreases the number of Porphyromonas gingivalis (P. gingivalis) bacteria in the saliva. In this study, we aimed to determine whether TF intake improves periodontal disease attributed to oral bacteria in a randomized, placebo-controlled, and double-blind study. A total of 56 healthy subjects without periodontal diseases were enrolled and assigned to the placebo and TF groups (n = 28). TF intake for 6 weeks did not significantly alter the clinical evaluation of subjects. There was no significant adverse effect among the subjects. The number of P. gingivalis and Fusobacterium nucleatum (F. nucleatum) bacteria, which was the primary endpoint in this study, was not impacted by TF intake. The change ratio of Prevotella intermedia was significantly decreased by TF intake (P = .043) when compared with the placebo group. Collectively, our findings suggest that TFs have beneficial effects on oral bacteria for the prevention of periodontal disease. The study protocol was registered in the University Hospital Medical Information Network (UMIN000020049).
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