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      The Use of Lanreotide in Polycystic Kidney Disease: A Single-Centre Experience

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          Abstract

          The secretion of large volumes of fluid into cysts and changes in the structure and mobility of the cilia of the renal tubular epithelium can lead to nephromegaly. This in turn often causes a deterioration of kidney function and arterial hypertension. In recent clinical studies, somatostatin analogues have demonstrated efficacy in isolated polycystic liver disease and, to a lesser extent, in polycystic kidney disease. Since the publication of these clinical studies, several patients have been referred to us for somatostatin analogue treatment. Here, we report our experience with 6 patients who were treated with lanreotide autogel 120 mg every 4 weeks over 6, 12 or 18 months and were longitudinally followed using CT scans without contrast agents, to evaluate the total bilateral kidney volume. We observed a mean decrease in volume of 4%, with mild to moderate side effects.

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          Most cited references10

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          Autosomal dominant polycystic kidney disease.

          Autosomal dominant polycystic kidney disease is the most prevalent, potentially lethal, monogenic disorder. It is associated with large interfamilial and intrafamilial variability, which can be explained to a large extent by its genetic heterogeneity and modifier genes. An increased understanding of the disorder's underlying genetic, molecular, and cellular mechanisms and a better appreciation of its progression and systemic manifestations have laid out the foundation for the development of clinical trials and potentially effective treatments.
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            Volume progression in polycystic kidney disease.

            Autosomal dominant polycystic kidney disease (ADPKD) is characterized by progressive enlargement of cyst-filled kidneys. In a three-year study, we measured the rates of change in total kidney volume, total cyst volume, and iothalamate clearance in patients with ADPKD. Of a total of 241 patients, in 232 patients without azotemia who were 15 to 46 years old at baseline we used magnetic-resonance imaging to correlate the total kidney volume and total cyst volume with iothalamate clearance. Statistical methods included analysis of variance, Pearson correlation, and multivariate regression analysis. Total kidney volume and total cyst volume increased exponentially, a result consistent with an expansion process dependent on growth. The mean (+/-SD) total kidney volume was 1060+/-642 ml at baseline and increased by a mean of 204+/-246 ml (5.27+/-3.92 percent per year, P<0.001) over a three-year period among 214 patients. Total cyst volume increased by 218+/-263 ml (P<0.001) during the same period among 210 patients. The baseline total kidney volume predicted the subsequent rate of increase in volume, independently of age. A baseline total kidney volume above 1500 ml in 51 patients was associated with a declining glomerular filtration rate (by 4.33+/-8.07 ml per minute per year, P<0.001). Total kidney volume increased more in 135 patients with PKD1 mutations (by 245+/-268 ml) than in 28 patients with PKD2 mutations (by 136+/-100 ml, P=0.03). Kidney enlargement resulting from the expansion of cysts in patients with ADPKD is continuous and quantifiable and is associated with the decline of renal function. Higher rates of kidney enlargement are associated with a more rapid decrease in renal function. Copyright 2006 Massachusetts Medical Society.
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              Effect of longacting somatostatin analogue on kidney and cyst growth in autosomal dominant polycystic kidney disease (ALADIN): a randomised, placebo-controlled, multicentre trial.

              Autosomal dominant polycystic kidney disease slowly progresses to end-stage renal disease and has no effective therapy. A pilot study suggested that the somatostatin analogue octreotide longacting release (LAR) could be nephroprotective in this context. We aimed to assess the effect of 3 years of octreotide-LAR treatment on kidney and cyst growth and renal function decline in participants with this disorder. We did an academic, multicentre, randomised, single-blind, placebo-controlled, parallel-group trial in five hospitals in Italy. Adult (>18 years) patients with estimated glomerular filtration rate (GFR) of 40 mL/min per 1·73 m(2) or higher were randomly assigned (central allocation by phone with a computerised list, 1:1 ratio, stratified by centre, block size four and eight) to 3 year treatment with two 20 mg intramuscular injections of octreotide-LAR (n=40) or 0·9% sodium chloride solution (n=39) every 28 days. Study physicians and nurses were aware of the allocated group; participants and outcome assessors were masked to allocation. The primary endpoint was change in total kidney volume (TKV), measured by MRI, at 1 year and 3 year follow-up. Analyses were by modified intention to treat. This study is registered with ClinicalTrials.gov, NCT00309283. Recruitment was between April 27, 2006, and May 12, 2008. 38 patients in the octreotide-LAR group and 37 patients in the placebo group had evaluable MRI scans at 1 year follow-up, at this timepoint, mean TKV increased significantly less in the octreotide-LAR group (46·2 mL, SE 18·2) compared with the placebo group (143·7 mL, 26·0; p=0·032). 35 patients in each group had evaluable MRI scans at 3 year follow-up, at this timepoint, mean TKV increase in the octreotide-LAR group (220·1 mL, 49·1) was numerically smaller than in the placebo group (454·3 mL, 80·8), but the difference was not significant (p=0·25). 37 (92·5%) participants in the octreotide-LAR group and 32 (82·1%) in the placebo group had at least one adverse event (p=0·16). Participants with serious adverse events were similarly distributed in the two treatment groups. However, four cases of cholelithiasis or acute cholecystitis occurred in the octreotide-LAR group and were probably treatment-related. These findings provide the background for large randomised controlled trials to test the protective effect of somatostatin analogues against renal function loss and progression to end-stage kidney disease. Polycystic Kidney Disease Foundation. Copyright © 2013 Elsevier Ltd. All rights reserved.
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                Author and article information

                Journal
                Case Rep Nephrol Urol
                Case Rep Nephrol Urol
                CRU
                Case Reports in Nephrology and Urology
                S. Karger AG (Allschwilerstrasse 10, P.O. Box · Postfach · Case postale, CH–4009, Basel, Switzerland · Schweiz · Suisse, Phone: +41 61 306 11 11, Fax: +41 61 306 12 34, karger@karger.ch )
                1664-5510
                Jan-Jun 2014
                5 February 2014
                5 February 2014
                : 4
                : 1
                : 18-24
                Affiliations
                [1] aDepartment of Nephrodialysis, Charleroi University Hospital, Charleroi, Belgium
                [2] bDepartment of Radiology, Charleroi University Hospital, Charleroi, Belgium
                [3] cDepartment of Gastroenterology, Charleroi University Hospital, Charleroi, Belgium
                Author notes
                *Serge Treille, Nephrology Unit, CHU de Charleroi, Boulevard Paul Janson 92, BE-6000 Charleroi (Belgium), E-Mail serge.treille@ 123456chu-charleroi.be
                Article
                cru-0004-0018
                10.1159/000358268
                3975724
                36eb4419-c36b-4530-8d59-574bc8aa3721
                Copyright © 2014 by S. Karger AG, Basel

                This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) (www.karger.com/OA-license), applicable to the online version of the article only. Users may download, print and share this work on the Internet for noncommercial purposes only, provided the original work is properly cited, and a link to the original work on http://www.karger.com and the terms of this license are included in any shared versions.

                History
                Page count
                Figures: 2, Tables: 1, References: 11, Pages: 7
                Categories
                Published online: February, 2014

                Nephrology
                lanreotide,polycystic kidney disease treatment,somatostatin analogues
                Nephrology
                lanreotide, polycystic kidney disease treatment, somatostatin analogues

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