• Tatsuki Ichikawa, Mio Yamashima, Shinobu Yamamichi, Makiko Koike, Yusuke Nakano, Hiroyuki Yajima, Osamu Miyazaki, Tomonari Ikeda, Takuma Okamura, Naohiro Komatsu, Sayuri Sugio, Miruki Yoshino, and Hisamitsu Miyaaki.
• Department of Gastroenterology, Nagasaki Harbor Medical Center, Japan.
• Intern. Med. 2024 Sep 18.

AbstractAim To evaluate the effect of pemafibrate (PEM) on metabolic dysfunction-associated steatotic liver disease (MASLD). Method We retrospectively evaluated 43 patients with hyperlipidemia and MASLD to determine changes in clinical factors between the start of PEM treatment and 0.5 years later. Using FibroScan, 39 of 43 patients were evaluated for liver stiffness (LS; kPa) and controlled attenuation parameter (CAP; dB/m). None of the patients had decompensated cirrhosis. Result Thirty patients were women, the median age was 66 years old, the median fibrosis-4 (FIB-4) score was 2.52, the median LS was 8.05 kPa, and the median CAP was 280.5 dB/m at the start of PEM treatment. AST, ALT, ALP, γGTP, and triglyceride levels decreased 0.5 years after starting PEM treatment, but FIB-4, LS, and CAP values did not decrease. However, LS decreased in patients with a FIB-4 index ≥1.3 at the start of PEM treatment, whereas it did not change in patients with a FIB-4 index <1.3. Similarly, LS decreased in patients with a value ≥8 kPa at the start of treatment and did not change in those with <8 kPa. The decreased LS group had higher baseline ALT and LS levels and lower ALT levels during 0.5 years of follow-up than the increased LS group. Conclusion At the initiation of PEM treatment, the LS decreased in patients with MASLD complicated by hyperlipidemia and moderate LS (FIB-4>1.3 or LS >8 kPa). Although there is currently no approved treatment for MASLD, PEM may be a viable treatment option for MASLD with mild LS.

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