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Tracking Information | |||||
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First Received Date † | July 26, 2005 | ||||
Last Updated Date | September 7, 2006 | ||||
Start Date † | April 2005 | ||||
Current Primary Outcome Measures † |
Number of good outcome, defined as 1 episode or less of vomiting 24 hours after the first dose of drug administration. | ||||
Original Primary Outcome Measures † | Same as current | ||||
Change History | Complete list of historical versions of study NCT00124787 on ClinicalTrials.gov Archive Site | ||||
Current Secondary Outcome Measures † |
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Original Secondary Outcome Measures † | Same as current | ||||
Descriptive Information | |||||
Brief Title † | A Trial Comparing the Effect of Oral Dimenhydrinate Versus Placebo in Children With Gastroenteritis | ||||
Official Title † | A Randomized Double-Blind Trial Comparing the Effect of Oral Dimenhydrinate Versus Placebo in Children With Moderate Vomiting Due to Acute Gastroenteritis | ||||
Brief Summary | Dimenhydrinate, an over-the-counter, widely used drug in Canada, is an ethanolamine-derivative anti-histamine. It limits the stimulation of the vomiting center by the vestibular system, which is rich in histamine receptors. Multiple studies have shown its effectiveness in treatment of post-operative nausea and vomiting in children. It is also used for treatment of vertigo in children. Furthermore, it has the potential to be much more cost-effective than ondansetron, with an average cost of $0.90 US per dose . Its principal side effects are drowsiness, dizziness and anticholinergic symptoms. Restlessness and insomnia have also been described in children. To date, there has been no published data on the efficacy of dimenhydrinate in controlling emesis in children with acute gastroenteritis. RESEARCH QUESTION Do children treated with oral dimenhydrinate during acute gastro-enteritis experience less vomiting episodes than children treated with placebo? |
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Detailed Description | STRUCTURED RESEARCH ABSTRACT Background: The use of antiemetic drugs to treat nausea and vomiting during an episode of acute gastroenteritis in children remains controversial. To date, there have been a limited number of clinical trials studying this subject matter and health authorities’ recommendations are only based on expert opinion. Surveys have shown that despite this lack of evidence, physicians do quite frequently prescribe these drugs. Dimenhydrinate, a histamine receptor blocker, has been proven safe and effective in controlling post-operative nausea and vomiting in children. To our knowledge, no clinical trial has been conducted to study its efficacy in children with acute gastroenteritis. Objective: To evaluate the efficacy and safety of oral dimenhydrinate in the treatment of vomiting due to acute gastroenteritis in children. Design: Randomized, double-blind, placebo controlled clinical trial. Setting: Emergency Department (ED) of an urban pediatric university-affiliated center. Study population: Children from 1 to 12 years of age presenting to the ED with at least 5 episodes of vomiting in the previous 12 hours and diagnosed with acute gastroenteritis by attending physicians. Interventions: Study participants will be randomly allocated to receive 8 doses of dimenhydrinate or placebo every six hours (1mg/kg/dose, max dose 50mg/dose) Primary outcome measure: Number of good outcome, defined as 1 episode or less of vomiting 24 hours after the first dose of drug administration. Secondary outcome measures: Need for intravenous fluid administration, number and duration of vomiting and diarrhea, side effects, revisit rates and parental absenteeism from work will be compared between the two groups Sample size and statistics: Based on previously reported data, the researchers estimate that approximately 70% of patients will be free of emesis in the initial 24 hours post medication first dose. The researchers would like to obtain a good outcome in more than 85% with the active medication. With an alpha error of 0.05 and a power of 90%, approximately 90 patients per group will be needed. Patients’ characteristics and outcomes will be compared using the Mann Whitney U test and the Chi-square test for categorical variables and the Student’s T test for continuous variables. Survival curves will also be analyzed. |
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Study Phase | |||||
Study Type † | Interventional | ||||
Study Design † | Treatment, Randomized, Double-Blind, Placebo Control, Single Group Assignment, Efficacy Study | ||||
Condition † | Gastroenteritis | ||||
Intervention † | Drug: dimenhydrinate | ||||
Study Arms / Comparison Groups | |||||
Publications * | |||||
* Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline. |
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Recruitment Information | |||||
Recruitment Status † | Recruiting | ||||
Enrollment † | 200 | ||||
Completion Date | September 2006 | ||||
Primary Completion Date | |||||
Eligibility Criteria † | Inclusion Criteria:
Exclusion Criteria:
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Gender | Both | ||||
Ages | 1 Year to 12 Years | ||||
Accepts Healthy Volunteers | Yes | ||||
Contacts †† |
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Location Countries † | Canada | ||||
Expanded Access Status | |||||
Administrative Information | |||||
NCT ID † | NCT00124787 | ||||
Responsible Party | |||||
Secondary IDs †† | |||||
Study Sponsor † | St. Justine's Hospital | ||||
Collaborators †† | |||||
Investigators † |
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Information Provided By | St. Justine's Hospital | ||||
Verification Date | September 2006 | ||||
† Required WHO trial registration data element. †† WHO trial registration data element that is required only if it exists. |