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A multicenter, open-label, dose-ranging study to exploratively evaluate the efficacy, safety, and dose–response of tolvaptan in patients with decompensated liver cirrhosis

  • Original Article—Liver, Pancreas, and Biliary Tract
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An Erratum to this article was published on 15 May 2010

Abstract

Objectives

We examined the efficacy of tolvaptan, an orally effective nonpeptide vasopressin V2 receptor antagonist, in a Japanese clinical study in patients with intractable ascites and/or lower limb edema associated with decompensated liver cirrhosis.

Methods

Tolvaptan was orally administrated at titrated doses of 15, 30, and 60 mg once daily after breakfast for 3 days at each dose to 18 liver cirrhosis patients with persistent ascites and/or lower limb edema despite receiving oral furosemide at 40 mg/day or higher.

Results

Decreased body weight and abdominal circumference and improvement of ascites and edema were observed following tolvaptan administration beginning from 15 mg. Composite ascites/edema improvement rate was 88.2% at individual maximum doses and 64.7, 80.0, and 90.9%, respectively, after 3-day administration at 15, 30, and 60 mg. Changes in body weight after 3-day administration at 15, 30, and 60 mg were −1.6 ± 0.9, −2.6 ± 1.2, and −3.4 ± 2.1 kg (mean ± SD), respectively, and decreases of 1 kg or more were seen from day 2 (24 h after first dosing). Changes in abdominal circumference ranged from −2.8 to −6.0 cm. Cumulative 24-h urine volumes after 3-day administration at 15, 30, and 60 mg were, respectively, 3240.3 ± 1014.5, 3943.3 ± 1060.6, and 4537.4 ± 1621.3 mL/day (mean ± SD). Urine osmolarity was markedly decreased and remained decreased until the end of treatment.

Conclusion

Tolvaptan dose-dependently decreased body weight and abdominal circumference and improved ascites and edema beginning from 15 mg, demonstrating a potent aquaretic effect.

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Acknowledgments

The authors are most grateful to their fellow researchers and hospitals for their contribution to data collection.

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Correspondence to Kiwamu Okita.

Additional information

An erratum to this article can be found at http://dx.doi.org/10.1007/s00535-010-0255-z

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Okita, K., Sakaida, I., Okada, M. et al. A multicenter, open-label, dose-ranging study to exploratively evaluate the efficacy, safety, and dose–response of tolvaptan in patients with decompensated liver cirrhosis. J Gastroenterol 45, 979–987 (2010). https://doi.org/10.1007/s00535-010-0240-6

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  • DOI: https://doi.org/10.1007/s00535-010-0240-6

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