Prognostic factors for colectomy in refractory ulcerative colitis treated with calcineurin inhibitors.

Abstract:

:Calcineurin inhibitors (CNIs) such as cyclosporin A (CSA) and tacrolimus (FK506) are efficacious in patients with steroid-refractory or steroid-dependent ulcerative colitis (UC). We retrospectively investigated patients with refractory UC treated with CNIs to elucidate the prognostic factors for a colectomy. Data from 59 patients (35 men and 24 women) were analyzed. CSA and FK506 were administered by intravenous infusion and peroral administration, respectively. The efficacy of the CNIs was assessed using Seo's complex integrated disease activity index. Categorical data analyses were also conducted. The results revealed that the response rates for CSA and FK506 were similar (CSA, 66.6%; FK506, 63.6%). However, oral FK506 had a slower onset of action than intravenous CSA. The risk factors for CNI non-responsiveness were: i) more than 10,000 mg of prednisolone used prior to CNI treatment; and ii) positivity for cytomegalovirus antigenemia (C7-HRP). The factors affecting the rate of colectomy were: i) CNI non-responsiveness; ii) more than 10,000 mg of prednisolone used prior to the initiation of CNI treatment; and iii) positivity for C7-HRP. The addition of azathioprine (AZA) following CNI treatment significantly reduced the incidence of colectomy. Our results revealed the prognostic factors affecting the efficacy of CNI therapy and the need for colectomy in patients with refractory UC. Importantly, some of these factors may be obtained prior to or shortly following the start of CNI treatment. Furthermore, AZA is an important agent for averting colectomy once a patient responds to CNIs.

journal_name

Exp Ther Med

authors

Bamba S,Andoh A,Imaeda H,Ban H,Kobori A,Mochizuki Y,Shioya M,Nishimura T,Inatomi O,Sasaki M,Saitoh Y,Tsujikawa T,Fujiyama Y

doi

10.3892/etm.2012.545

subject

Has Abstract

pub_date

2012-07-01 00:00:00

pages

99-104

issue

1

eissn

1792-0981

issn

1792-1015

pii

etm-04-01-0099

journal_volume

4

pub_type

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