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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+Kidney+J
2016 ; 9
(2
): 184-91
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Outcome in patients with idiopathic retroperitoneal fibrosis treated with
corticosteroid or tamoxifen monotherapy
#MMPMID26985367
van der Bilt FE
; Hendriksz TR
; van der Meijden WA
; Brilman LG
; van Bommel EF
Clin Kidney J
2016[Apr]; 9
(2
): 184-91
PMID26985367
show ga
BACKGROUND: Although corticosteroids (CS) are used primarily in idiopathic
retroperitoneal fibrosis (iRPF), tamoxifen (TMX) may be a suitable alternative.
We compared outcome with CS or TMX monotherapy for first presentation in a large
group of patients with iRPF disease. METHODS: Of all patients with iRPF disease
who were seen at our tertiary care referral centre from February 1999 to December
2011, 118 patients were eligible for this retrospective study. Treatment success
was defined as the composite of (i) amelioration of symptoms, (ii) computed
tomography (CT)-documented mass regression and, if applicable, (iii) definitive
removal of ureteral stent or nephrostomy tube. Recurrence was defined as
recurrence of signs and symptoms and/or CT-documented mass increase after initial
treatment success with primary treatment. RESULTS: Presenting signs and symptoms
did not differ between patients treated with CS (n = 50) or TMX (n = 68). Time to
amelioration of symptoms after treatment initiation was shorter in CS-treated
patients [CS, 2.0 (0.8-3.8) weeks versus TMX, 4.0 (2.0-6.0) weeks; P < 0.01].
Short-term percentual decrease in acute-phase reactant levels (P < 0.001 for both
erythrocyte sedimentation rate and C-reactive protein) and serum creatinine level
(P < 0.01) following treatment initiation was greater in CS-treated patients
compared with that in TMX-treated patients. Mass regression at first follow-up CT
scan was observed more frequently in CS-treated patients (CS, 84.0% versus TMX,
68.3%; P = 0.05) with no difference in time interval from treatment initiation to
first follow-up CT between groups [CS, 5 (2-7) months versus TMX, 4 (4-5) months;
P = 0.34]. Definite treatment success was non-significantly higher in CS-treated
patients (CS, 72.7% versus TMX, 58.3%; P = 0.15). In patients with initial
treatment success with primary treatment, recurrence rate was lower in
TMX-treated patients (CS, 62.5% versus TMX, 21.4%; P < 0.01). CONCLUSIONS: CS are
superior to TMX in treating iRPF disease. However, in patients with initial
treatment success with primary treatment, recurrence rate was lower in
TMX-treated patients.