Prescribed Water Intake in Autosomal Dominant Polycystic Kidney Disease.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Rangan Gopala K, Wong Annette T Y, Munt Alexandra, Zhang Jennifer Q J, Saravanabavan Sayanthooran, Louw Sandra, Allman-Farinelli Margaret, Badve Sunil V, Boudville Neil, Chan Jessie, Coolican Helen, Coulshed Susan, Edwards Marie E, Erickson Bradley J, Fernando Mangalee, Foster Sheryl, Gregory Adriana V, Haloob Imad, Hawley Carmel M, Holt Jane, Howard Kirsten, Howell Martin, Johnson David W, Kline Timothy L, Kumar Karthik, Lee Vincent W, Lonergan Maureen, Mai Jun, McCloud Philip, Pascoe Elaine, Peduto Anthony, Rangan Anna, Roger Simon D, Sherfan Julie, Sud Kamal, Torres Vicente E, Vilayur Eswari, Harris David C H
Аннотация
BACKGROUND: Arginine vasopressin promotes kidney cyst growth in autosomal dominant polycystic kidney disease (ADPKD). Increased water intake reduces arginine vasopressin and urine osmolality and may slow kidney cyst growth. METHODS: In this randomized controlled 3-year clinical trial, we randomly assigned adults with ADPKD who had a height-corrected total kidney volume in Mayo imaging subclass categories 1B to 1E and an estimated glomerular filtration rate of 30 ml/min/1.73 m2 or greater to (1) water intake prescribed to reduce 24-hour urine osmolality to 270 mOsmol/kg or less or (2) ad libitum water intake irrespective of 24-hour urine osmolality. The primary end point was the percentage annualized rate of change in height-corrected total kidney volume. RESULTS: A total of 184 patients participated in either the ad libitum water intake group (n=92) or the prescribed water intake group (n=92). Over 3 years, there was no difference in the annualized rate of change in height-corrected total kidney volume between the ad libitum (7.8% per year; 95% confidence interval [CI], 6.6 to 9.0) and prescribed (6.8% per year; 95% CI, 5.8 to 7.7) water intake groups (mean difference, −0.97% per year; 95% CI, −2.37 to 0.44; P=0.18). The difference in mean 24-hour urine osmolality between the ad libitum and prescribed water intake groups was −91 mOsmol/kg (95% CI, −127 to −54 mOsmol/kg), with 52.3% of patients achieving adherence to the target 24-hour urine osmolality and no reduction in serum copeptin over 3 years. The frequency of adverse events was similar between groups. CONCLUSIONS: For patients with ADPKD, prescribed water intake was not associated with excess adverse events and achieved the target 24-hour urine osmolality for half of the patients but did not reduce copeptin or slow the growth of total kidney volume over 3 years compared with ad libitum water intake. (Funded by the National Health and Medical Research Council of Australia [grant GNT1138533], Danone Research, PKD Australia, the University of Sydney, and the Westmead Medical Research Foundation; Australian New Zealand Clinical Trials Registry number, ACTRN12614001216606).