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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Clin+J+Am+Soc+Nephrol
2016 ; 11
(5
): 785-794
Nephropedia Template TP
gab.com Text
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English Wikipedia
Effect of Sirolimus on Disease Progression in Patients with Autosomal Dominant
Polycystic Kidney Disease and CKD Stages 3b-4
#MMPMID26912555
Ruggenenti P
; Gentile G
; Perico N
; Perna A
; Barcella L
; Trillini M
; Cortinovis M
; Ferrer Siles CP
; Reyes Loaeza JA
; Aparicio MC
; Fasolini G
; Gaspari F
; Martinetti D
; Carrara F
; Rubis N
; Prandini S
; Caroli A
; Sharma K
; Antiga L
; Remuzzi A
; Remuzzi G
Clin J Am Soc Nephrol
2016[May]; 11
(5
): 785-794
PMID26912555
show ga
BACKGROUND AND OBJECTIVES: The effect of mammalian target of rapamycin (mTOR)
inhibitors has never been tested in patients with autosomal dominant polycystic
kidney disease (ADPKD) and severe renal insufficiency. DESIGN, SETTING,
PARTICIPANTS, & MEASUREMENTS: In this academic, prospective, randomized, open
label, blinded end point, parallel group trial (ClinicalTrials.gov no.
NCT01223755), 41 adults with ADPKD, CKD stage 3b or 4, and proteinuria ?0.5 g/24
h were randomized between September of 2010 and March of 2012 to sirolimus (3
mg/d; serum target levels of 5-10 ng/ml) added on to conventional therapy (n=21)
or conventional treatment alone (n=20). Primary outcome was GFR (iohexol plasma
clearance) change at 1 and 3 years versus baseline. RESULTS: At the 1-year
preplanned interim analysis, GFR fell from 26.7±5.8 to 21.3±6.3 ml/min per 1.73
m(2) (P<0.001) and from 29.6±5.6 to 24.9±6.2 ml/min per 1.73 m(2) (P<0.001) in
the sirolimus and conventional treatment groups, respectively. Albuminuria
(73.8±81.8 versus 154.9±152.9 ?g/min; P=0.02) and proteinuria (0.3±0.2 versus
06±0.4 g/24 h; P<0.01) increased with sirolimus. Seven patients on sirolimus
versus one control had de novo proteinuria (P=0.04), ten versus three patients
doubled proteinuria (P=0.02), 18 versus 11 patients had peripheral edema
(P=0.04), and 14 versus six patients had upper respiratory tract infections
(P=0.03). Three patients on sirolimus had angioedema, 14 patients had aphthous
stomatitis, and seven patients had acne (P<0.01 for both versus controls). Two
patients progressed to ESRD, and two patients withdrew because of worsening of
proteinuria. These events were not observed in controls. Thus, the independent
data and safety monitoring board recommend early trial termination for safety
reasons. At 1 year, total kidney volume (assessed by contrast-enhanced computed
tomography imaging) increased by 9.0% from 2857.7±1447.3 to 3094.6±1519.5 ml on
sirolimus and 4.3% from 3123.4±1695.3 to 3222.6±1651.4 ml on conventional therapy
(P=0.12). On follow-up, 37% and 7% of serum sirolimus levels fell below or
exceeded the therapeutic range, respectively. CONCLUSIONS: Finding that sirolimus
was unsafe and ineffective in patients with ADPKD and renal insufficiency
suggests that mTOR inhibitor therapy may be contraindicated in this context.
|Adult
[MESH]
|Albuminuria/etiology
[MESH]
|Disease Progression
[MESH]
|Early Termination of Clinical Trials
[MESH]
|Female
[MESH]
|Glomerular Filtration Rate
[MESH]
|Humans
[MESH]
|Immunosuppressive Agents/*adverse effects/pharmacokinetics/therapeutic use
[MESH]