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2020 Fiscal Year Final Research Report

Interactions between lipid profile and PCSK9 changes and a role of oxidatively modified LDL on DAAs treatment

Research Project

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Project/Area Number 18K07907
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionShinshu University

Principal Investigator

Joshita Satoru  信州大学, 学術研究院医学系, 准教授 (90597965)

Co-Investigator(Kenkyū-buntansha) 沢村 達也  信州大学, 学術研究院医学系, 教授 (30243033)
太田 正穂  信州大学, 医学部, 特任教授 (50115333)
Project Period (FY) 2018-04-01 – 2021-03-31
KeywordsC型慢性肝炎 / 直接作用型抗ウイルス剤 / プロ蛋白転換酵素サブチリシン/ケキシン9型 / 脂質の量的変動 / 脂質の質的変動
Outline of Final Research Achievements

Direct-acting antivirals (DAAs) can achieve a high rate of a sustained virological response (SVR). This study revealed three important points as follows; 1) clinical features of normal alanine aminotransferase under DAAs treatment, 2) an SVR rate was 98% under a real-world clinical practice experience but resistance mutations should be considered for DAA selection. 3) HCV eradication by DAAs produced favorable quantitative lipid profile changes and qualitative lipid improvements along with PCSK9 recovery. Based on these above, lipids levels should therefore be monitored after successful DAAs treatment.

Free Research Field

内科学

Academic Significance and Societal Importance of the Research Achievements

C型肝炎に対する直接作用型抗ウイルス剤(DAAs)治療のウイルス排除率は100%に近い。このDAAs治療の前後においては、脂質の量的な変動が起き、それは脂質のレギュレーターであるPCSK9の変動と関連していた。さらに、脂質の質的変動を伴うことも明らかになった。これらのことより、DAAs治療にてSVR達成例では脂質の変動に注意すべきと考えられた。また、これらの変動と心血管疾患等の二次的なアウトカムとの関連については今後の検討課題と考えられた。

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Published: 2022-01-27  

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