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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hirai, Keita Shimomura, Tatsuki Moriwaki, Hideaki Ishii, Hidetoshi Shimoshikiryo, Takayuki Tsuji, Daiki Iue, Kazuyuki Kadoiri, Toshihiko Itoh, Kunihiko |
| Copyright Year | 2016 |
| Abstract | The long-term efficacy of tolvaptan, a vasopressin V2 receptor antagonist, has been reported. However, the safety of long-term treatment remains to be fully elucidated. We assessed the safety profile of tolvaptan with respect to hypernatremia.This retrospective study included 371 patients treated with tolvaptan. Risk factors for hypernatremia (serum sodium concentration ≥147 mEq/L) were determined.Hypernatremia occurred in 95 patients (25.6 %), of whom 71 (19.1 %) developed hypernatremia within 7 days of tolvaptan treatment (early onset). Stepwise logistic regression analysis demonstrated that baseline serum sodium ≥140 mEq/L, an initial tolvaptan dosage >7.5 mg, and a BUN/serum creatinine ratio ≥20 were independent risk factors for early onset of hypernatremia. Tolvaptan was prescribed for more than 7 days to 233 patients, of whom 123 were administrated tolvaptan for more than 1 month. Hypernatremia occurred in 24 of these patients (10.3 %) (late onset). Predictive factors for late onset of hypernatremia were an average daily dosage of tolvaptan >7.5 mg and age ≥75 years.A daily dosage of 7.5 mg or less was recommended to prevent hypernatremia in short- as well as long-term tolvaptan treatment, and mainly elderly patients were at risk for hypernatremia. |
| Starting Page | 1177 |
| Ending Page | 1183 |
| Page Count | 7 |
| File Format | |
| ISSN | 00316970 |
| Journal | European Journal of Clinical Pharmacology |
| Volume Number | 72 |
| Issue Number | 10 |
| e-ISSN | 14321041 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-07-09 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Hypernatremia Tolvaptan Diuretics Heart failure Liver cirrhosis Pharmacology/Toxicology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology Pharmacology (medical) |
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