Journal of Atherosclerosis and Thrombosis
Online ISSN : 1880-3873
Print ISSN : 1340-3478
ISSN-L : 1340-3478
Original Article
Efficacy and Safety of Pitavastatin in Japanese Male Children with Familial Hypercholesterolemia
Mariko Harada-ShibaOsamu ArisakaAkira OhtakeTomoo OkadaHideki SuganamiNK-104-PH 01 study registration group
ジャーナル フリー

2016 年 23 巻 1 号 p. 48-55


Aim: The purpose of this study was to evaluate the efficacy and safety of LIVALO® tablets (pitavastatin) in Japanese male children with heterozygous familial hypercholesterolemia (FH).
Methods: A multicenter, randomized, double-blind, parallel study was conducted in 14 male children 10-15 years of age with heterozygous FH. Pitavastatin (1 mg/day or 2 mg/day) was administered orally for 52 weeks.
The primary endpoint was the percent change in the LDL-cholesterol (LDL-C) concentrations from baseline to endpoint (repeated measures ANCOVA at Weeks 8 and 12). Secondary endpoints included the percentage of patients who achieved the target LDL-C concentration and percent changes in the levels of lipoprotein and lipid parameters at the visit performed at 52 weeks.
Results: The percent change in LDL-C from baseline (mean 258 mg/dL for all patients) to the endpoint was -27.3% (95%CI; -34.0, -20.5) and -34.3% (95%CI; -41.0, -27.5) in the patients receiving 1 mg and 2 mg of pitavastatin, respectively. Stable reductions in the total cholesterol (TC), non-HDL cholesterol (non-HDL-C), apolipoprotein B (Apo-B) and LDL-C levels and non-HDL-C/HDL-C and Apo-B/Apo-A1 ratios were observed up to 52 weeks in both groups. One patient in each dose group (14%) reached the treatment target level of 130 mg/dL.
Adverse events were observed in seven (100%) patients receiving 1 mg and five (71%) patients receiving 2 mg of pitavastatin, although none were considered related to the study treatment. One patient in the 1 mg group reported a musculoskeletal AE; however, it was attributed to recent excessive exercise.
Conclusions: Pitavastatin significantly reduced the LDL-C levels and was well tolerated when administered at usual adult doses in 14 male children 10-15 years of age with heterozygous FH. Pitavastatin is a promising therapeutic agent for pediatric dyslipidemia with few safety concerns.


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