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A Study to Investigate the Pharmacodynamic Effect After Four-week Omeprazole Treatment of Non-erosive Reflux Disease in a Japanese Population

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00259051
First Posted: November 29, 2005
Last Update Posted: January 24, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborator:
Mitsubishi Tanabe Pharma Corporation
Information provided by:
AstraZeneca
  Purpose
The purpose of this study is to investigate the pharmacodynamic effect of omeprazole n a Japanese non-erosive reflux disease population

Condition Intervention Phase
Non-erosive Reflux Disease Drug: Omeprazole Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Double-blind, Randomised, Parallel-group, Multicentre, Phase III Study to Investigate the Pharmacodynamic Effect by Assessment of the 24 Hours Intraesophageal pH Level, the Efficacy and Safety of Omeprazole 10mg and 20mg od in Patients With Non-erosive Reflux Disease (NERD).

Resource links provided by NLM:


Further study details as provided by AstraZeneca:

Primary Outcome Measures:
  • To investigate the pharmacodynamic effect of omeprazole 10mg and 20mg od in patients with NERD, by assessment of the change of the percentage of time with intra-esophageal pH <4 during 24 hours.

Secondary Outcome Measures:
  • To investigate the relation between pharmacodynamic effect and GERD symptoms,to investigate safety

Estimated Enrollment: 40
Study Start Date: January 2004
Study Completion Date: August 2004
Primary Completion Date: August 2004 (Final data collection date for primary outcome measure)
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   20 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Patients who identified their predominant symptom as heartburn and were classifiend as Grande M or N according to Hoshihara's modofied version of Los Angeles Classification at esophagogastroduodenoscopy. Written informed consent, ability to comply with study instructions

Exclusion Criteria:

  • Patients with any ongoing gastrointestinal bleeding at the time of esopgahogastroduodenoscopy, patients with any history of erosive esophagitis or any other major diseases or concommittant drugs likely to interfere with the evaluation of this study
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00259051


Locations
Japan
Research Site
Ashahikawa, Japan
Research Site
Fukuoka, Japan
Research Site
Hiroshima, Japan
Research Site
Ichihara, Japan
Research Site
Kochi, Japan
Research Site
Koshigaya, Japan
Research Site
Kurashiki, Japan
Research Site
Nakano, Japan
Research Site
Nerima-ku, Japan
Research Site
Oita, Japan
Research Site
Osaka, Japan
Research Site
Sapporo, Japan
Research Site
Yamato, Japan
Sponsors and Collaborators
AstraZeneca
Mitsubishi Tanabe Pharma Corporation
Investigators
Study Director: AstraZeneca Japan Medical Director, MD AstraZeneca
  More Information

ClinicalTrials.gov Identifier: NCT00259051     History of Changes
Other Study ID Numbers: D9587C00002
D9584L00003
First Submitted: November 25, 2005
First Posted: November 29, 2005
Last Update Posted: January 24, 2011
Last Verified: January 2011

Additional relevant MeSH terms:
Gastroesophageal Reflux
Esophageal Motility Disorders
Deglutition Disorders
Esophageal Diseases
Gastrointestinal Diseases
Digestive System Diseases
Omeprazole
Anti-Ulcer Agents
Gastrointestinal Agents
Proton Pump Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action