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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01893541
Other study ID # DBONILHA
Secondary ID
Status Completed
Phase Phase 4
First received August 4, 2009
Last updated July 8, 2013
Start date June 2008
Est. completion date June 2011

Study information

Verified date July 2013
Source Federal University of São Paulo
Contact n/a
Is FDA regulated No
Health authority Brazil: National Health Surveillance Agency
Study type Interventional

Clinical Trial Summary

This prospective randomized controlled trial will compare endoscopic band ligation (EBL) with propranolol and EBL alone in primary prophylaxis of variceal bleeding among cirrhotic patients with high-risk varices.


Description:

BACKGROUND AND AIMS

Bleeding from esophagogastric varices (EV) is a major complication of portal hypertension. Beta-blockers are a well-established cornerstone of portal hypertension treatment. Band ligation is the best endoscopic treatment to prevent EV bleeding. The exact benefit of beta-blocker association to band ligation remains to be defined, especially for primary prophylaxis. This prospective randomized controlled trial will compare EBL with propranolol and EBL alone in primary prophylaxis of variceal bleeding among cirrhotic patients with high-risk varices. PATIENTS AND METHODS: The patients with high-risk varices will be randomly allocated to EBL plus propranolol (Group I) or EBL alone (Group II). EBL will be performed at 3-week interval till obliteration of varices. In Group I, incremental dosage of propranolol (sufficient to reduce heart rate to 55 beats/min or 25% reduction from baseline) will be administered and will be continued after obliteration of varices until the end of the study. The follow-up of patients will be 2 years. The primary outcome of this study will be EV recurrence during two years of follow-up. The secondary outcomes will be EV eradication, bleeding before eradication, mortality and complications during the same follow-up.


Recruitment information / eligibility

Status Completed
Enrollment 100
Est. completion date June 2011
Est. primary completion date June 2011
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 78 Years
Eligibility Inclusion Criteria:

- Liver cirrhosis with esophageal varices

- Age between 18 and 78 years

- Accept to participate

Exclusion Criteria:

- Portal hypertension by schistosomiasis

- Contraindications for propranolol use

- Do not accept to participate

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Intervention

Procedure:
ENDOSCOPIC BAND LIGATION
The procedures will be performed using standard technique with a multiband ligation device. Elastic bands will be placed according to physician decision, starting at esophagogastric junction. All varices will be treated during the same session. Endoscopic band ligation sessions will be repeated at intervals of 3 to 4 weeks until all varices will be obliterated.
Drug:
PROPRANOLOL
The initial propranolol dose will be orally BID 40 mg, irrespective of patient's weight. The objective of the administration of propranolol will be induce beta-adrenergic blockade evaluated by reduction in heart rate to 55 bpm or a 25% drop in baseline heart rate. A baseline electrocardiogram will be obtained from all patients. The doses will be adjusted during weekly visits until beta-adrenergic blockade. After the adequate dose will be reached, the visits will be scheduled monthly during the first 3 months (until EV eradication) and then at a 3-month interval until the end of follow-up.
Device:
a multiband ligation device


Locations

Country Name City State
Brazil Federal University of São Paulo São Paulo

Sponsors (1)

Lead Sponsor Collaborator
Federal University of São Paulo

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary The primary outcome of this study will be esophageal varices recurrence Esophageal varices recurrence will be defined as the reappearance of uninterrupted EV of any caliber, with or without red color signs in patients in which varices had been eradicated. Two years Yes
Secondary The secondary outcomes of this study will be variceal eradication, bleeding before eradication, mortality and complications. Esophageal varices eradication will be defined as absence of varices in the lower third of the esophagus Bleeding before EV eradication will be defined as any upper GI bleeding before EV obliteration. Bleeding will be considered from unknown origin when it will not possible to perform upper GI endoscopy in the first 48 hours after the bleeding episode; Mortality rate related to treatment will be defined as all cases of death resulting from bleeding due to EV, post-EBL ulceration, gastric varices, portal hypertensive gastropathy or any complication of treatment. Mortality rate non-related to treatment will be defined as death due to other causes; EBL complications will be divided in major (stenosis or esophageal perforation and bleeding due to post-EBL ulceration) and minor (chest pain, dysphagia, transient fever and esophageal ulceration with no bleeding postponing the subsequent treatment session). two years Yes
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