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Metoclopramide, Azithromycin, or Nondrug Pretreatment for UGIB to Reduce Second Endoscopy

NCT03840057 · Status: UNKNOWN · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 435

Last updated 2020-08-07

No results posted yet for this study

Summary

Early endoscopy is an integral part of the management plan for patients presenting with clinical signs of severe or ongoing UGIB. An accurate endoscopic diagnosis and successful endoscopic hemostasis is highly dependent on adequate visualization of the entire gastric mucosa. Metoclopramide has previously been investigated as a prokinetic agent to aid gastric emptying prior to endoscopy, but its widespread adoption is limited by a lack of high quality clinical evidence as well as concerns regarding side effects. Erythromycin is currently the only prokinetic agent recommended by the American and the European guidelines for use in selected patients in order to reduce the need for second endoscopy. Its clinical application, however, is limited by risk of arrhythmia, significant drug interactions, and frequent drug shortages. Azithromycin is structurally related to erythromycin, but is devoid of most adverse side effects associated with erythromycin use. Early evidence suggests that azithromycin may be an effective alternative to erythromycin in the treatment of gastroparesis. The current study, an interventional, randomized, triple-blinded, placebo-controlled clinical trial, is primarily aimed to evaluate the effectiveness of azithromycin as a prokinetic agent in the management of UGIB. It is also aimed to further evaluate the role of metoclopramide as a prokinetic agent in this setting. Outcome measures to be collected in this study include the need for secondary endoscopy, overall mortality, transfusion requirement, length of stay, requirement for surgery, and incidence of adverse side effects. Results from this study would help identify a safe, effective, and readily available prokinetic agent to be used prior to endoscopy.

Conditions

  • Gastro Intestinal Bleeding
  • Upper Gastrointestinal Bleeding

Interventions

DRUG

Azithromycin Injection

Azithromycin, a semi-synthetic macrolide antibiotic derived from erythromycin. The role of azithromycin as a prokinetic agent was first reported in a retrospective cohort study, which showed azithromycin to be equivalent to erythromycin in accelerating gastric emptying in patients with gastroparesis. The aim of this intervention arm is to evaluate the effectiveness of azithromycin as a prokinetic agent in the management of UGIB.

DRUG

Metoclopramide Injectable Solution

Metoclopramide, a 5-HT4 agonist and a dopamine D2-receptor antagonist, is approved for short-term treatment of gastroparesis. The use of metoclopramide as a prokinetic agent in the setting of UGIB has been previously studied, but the number of subject involved was too low to adequately power the studies. The aim of this intervention arm is to further evaluate the effectiveness of metoclopramide as a prokinetic agent in the management of UGIB.

DRUG

Sodium chloride 0.9%

Normal saline is used as a placebo control.

Sponsors & Collaborators

  • Waihong Chung

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-07-01
Primary Completion
2021-06-30
Completion
2021-07-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03840057 on ClinicalTrials.gov