Document Detail


Randomized clinical trial assessing the side-effects of glyceryl trinitrate and diltiazem hydrochloride in the treatment of chronic anal fissure.
MedLine Citation:
PMID:  11952579     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Glyceryl trinitrate (GTN) ointment (0 small middle dot2 per cent) has an efficacy of up to 68 per cent in healing chronic anal fissure, but with headache as a major side-effect. Diltiazem hydrochloride (DTZ) cream (2 per cent) is expected to have fewer side-effects. METHODS: A prospective double-blind randomized two-centre trial requiring at least 26 patients in each group (alpha = 0.05, beta = 0.9) was instituted after approval of the local ethics committee, to compare the incidence of side-effects (primary endpoint) with 0.2 per cent GTN ointment and 2 per cent DTZ cream in the treatment of chronic anal fissure. Treatments were applied perianally, twice daily for 6-8 weeks. All patients gave written informed consent. RESULTS: Both groups were comparable in patient demographics and clinical characteristics. Twelve patients violated the protocol, withdrew or did not attend follow-up. There were more side-effects with GTN (21 of 29 patients) than with DTZ (13 of 31) (relative risk (RR) 1.84 (95 per cent confidence interval (c.i.) 1.11 to 3.04), P = 0.01). In particular, more headaches occurred with GTN (17 of 29 patients) than with DTZ (eight of 31) (RR 2.06 (95 per cent c.i. 1.18 to 3.59), P = 0.01). There were no significant differences in healing and symptomatic improvement rates between patients receiving GTN (25 of 29) and DTZ (24 of 31). DISCUSSION: DTZ cream caused substantially fewer headaches than GTN ointment. There was no significant difference in the healing or improvement of chronic anal fissure between the treatments. DTZ may be the preferred first-line treatment for chronic anal fissure.
Authors:
H M Kocher; M Steward; A J M Leather; P T Cullen
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  The British journal of surgery     Volume:  89     ISSN:  0007-1323     ISO Abbreviation:  Br J Surg     Publication Date:  2002 Apr 
Date Detail:
Created Date:  2002-04-15     Completed Date:  2002-05-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372553     Medline TA:  Br J Surg     Country:  England    
Other Details:
Languages:  eng     Pagination:  413-7     Citation Subset:  AIM; IM    
Affiliation:
Departments of Surgery, Queen Elizabeth Hospital, King's Lynn and King's College Hospital, London, UK. hemant.kocher@kcl.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Diltiazem / administration & dosage,  adverse effects*
Double-Blind Method
Drug Therapy, Combination
Female
Fissure in Ano / drug therapy*
Follow-Up Studies
Headache / chemically induced
Humans
Male
Middle Aged
Nitroglycerin / administration & dosage,  adverse effects*
Ointments
Pain Measurement
Prospective Studies
Treatment Outcome
Vasodilator Agents / administration & dosage,  adverse effects*
Chemical
Reg. No./Substance:
0/Ointments; 0/Vasodilator Agents; 42399-41-7/Diltiazem; 55-63-0/Nitroglycerin
Comments/Corrections
Comment In:
Br J Surg. 2002 Sep;89(9):1193; author reply 1193-4   [PMID:  12190688 ]
Br J Surg. 2002 Oct;89(10):1325   [PMID:  12296913 ]
Br J Surg. 2002 Sep;89(9):1193; author reply 1193-4   [PMID:  12190689 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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