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Войти в исследования Circulation journal : official journal of the Japanese Circulation Society · 2016
Efficacy and Safety of a Novel Endothelin Receptor Antagonist, Macitentan, in Japanese Patients With Pulmonary Arterial Hypertension.
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Tahara Nobuhiro, Dobashi Hiroaki, Fukuda Keiichi, Funauchi Masanori, Hatano Masaru, Ikeda Satoshi, Joho Shuji, Kihara Yasuki, Kimura Takeshi, Kondo Takahisa, Matsushita Masakazu, Minamino Tohru, Nakanishi Norifumi, Ozaki Yukio, Saji Tsutomu, Sakai Satoshi, Tanabe Nobuhiro, Watanabe Hiroshi, Yamada Hidehiro, Yoshioka Koichiro, Sasayama Shigetake
Аннотация
BACKGROUND: Macitentan is a novel, dual endothelin receptor antagonist with sustained receptor binding, used for the long-term treatment of pulmonary arterial hypertension (PAH). In the present study, we assessed the efficacy and safety of macitentan in Japanese patients with PAH.
METHODS AND RESULTS: Macitentan was administered at a once-daily dose of 10 mg in 30 patients. The primary endpoint was change in pulmonary vascular resistance (PVR) from baseline to week 24. Change to week 24 in the other hemodynamic parameters, 6-min walk distance (6MWD), World Health Organization (WHO) functional class, and plasmaN-terminal pro-brain natriuretic peptide (NT-pro-BNP), as well as time to clinical deterioration up to week 52 were also assessed as secondary endpoints. In the 28 patients on per-protocol analysis, PVR decreased from 667±293 to 417±214 dyn·sec·cm(-5)(P<0.0001). 6MWD increased from 427±128 to 494±116 m (P<0.0001). WHO functional class improved in 13 patients (46.4%) and was maintained in 15 patients (53.6%), and NT-pro-BNP was reduced by 18% (P<0.0001). The favorable treatment effect on PVR was apparent regardless of concomitant therapy for PAH.
CONCLUSIONS: Macitentan was efficacious and well tolerated and improved the hemodynamic parameters, exercise capacity, symptoms, and clinical biomarkers in Japanese PAH patients. Macitentan can be a valuable therapeutic option for Japanese patients with PAH. (
TRIAL REGISTRATION: JAPIC Clinical Trials Information [JapicCTI-121986].) (Circ J 2016; 80: 1478-1483).
METHODS AND RESULTS: Macitentan was administered at a once-daily dose of 10 mg in 30 patients. The primary endpoint was change in pulmonary vascular resistance (PVR) from baseline to week 24. Change to week 24 in the other hemodynamic parameters, 6-min walk distance (6MWD), World Health Organization (WHO) functional class, and plasmaN-terminal pro-brain natriuretic peptide (NT-pro-BNP), as well as time to clinical deterioration up to week 52 were also assessed as secondary endpoints. In the 28 patients on per-protocol analysis, PVR decreased from 667±293 to 417±214 dyn·sec·cm(-5)(P<0.0001). 6MWD increased from 427±128 to 494±116 m (P<0.0001). WHO functional class improved in 13 patients (46.4%) and was maintained in 15 patients (53.6%), and NT-pro-BNP was reduced by 18% (P<0.0001). The favorable treatment effect on PVR was apparent regardless of concomitant therapy for PAH.
CONCLUSIONS: Macitentan was efficacious and well tolerated and improved the hemodynamic parameters, exercise capacity, symptoms, and clinical biomarkers in Japanese PAH patients. Macitentan can be a valuable therapeutic option for Japanese patients with PAH. (
TRIAL REGISTRATION: JAPIC Clinical Trials Information [JapicCTI-121986].) (Circ J 2016; 80: 1478-1483).