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Prevalence of Gastroesophageal Reflux Disease in Primary Care Patients With Upper Gastrointestinal Symptoms

This study has been completed.
ClinicalTrials.gov Identifier:
First Posted: November 26, 2009
Last Update Posted: July 12, 2010
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.
Information provided by:
The purpose of this study is to provide data on the gastroesophageal reflux disease (GERD) prevalence as percentage of patients with upper gastrointestinal (GI) symptoms that are identified with GERD using the Gerd-Q Questionnaire.

Gastroesophageal Reflux Disease

Study Type: Observational
Study Design: Time Perspective: Cross-Sectional
Official Title: A Cross-sectional Study on the Prevalence of GERD in Primary Care Patients With Upper GI Symptoms Using the GERD-Q. The Bulgarian GERD-Q Study

Resource links provided by NLM:

Further study details as provided by AstraZeneca:

Enrollment: 2210
Study Start Date: November 2009
Study Completion Date: April 2010
Primary Completion Date: April 2010 (Final data collection date for primary outcome measure)

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population
Primary care clinic

Inclusion Criteria:

  • Patients with upper gastrointestinal symptoms

Exclusion Criteria:

  • History of oesophageal, gastric or duodenal surgery
  • Current treatment with antiinflammatory drugs, including OTC
  • Current treatment with proton pump inhibitors ang H2-blockers
  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): NCT01020890

Research Site
Blagoevgrad, Bulgaria
Research Site
Burgas, Bulgaria
Research Site
Dobrich, Bulgaria
Research Site
Pleven, Bulgaria
Research Site
Plovdiv, Bulgaria
Research Site
Russe, Bulgaria
Research Site
Sofia, Bulgaria
Research Site
Stara Zagora, Bulgaria
Research Site
Varna, Bulgaria
Research Site
Veliko Turnovo, Bulgaria
Research Site
Vratsa, Bulgaria
Research Site
Yambol, Bulgaria
Sponsors and Collaborators
  More Information

Responsible Party: MC MD, AstraZeneca
ClinicalTrials.gov Identifier: NCT01020890     History of Changes
Other Study ID Numbers: NIS-GBG-NEX-2009/1
First Submitted: November 25, 2009
First Posted: November 26, 2009
Last Update Posted: July 12, 2010
Last Verified: July 2010

Keywords provided by AstraZeneca:
GERD diagnosis
GERD patients' characteristics

Additional relevant MeSH terms:
Gastroesophageal Reflux
Esophageal Motility Disorders
Deglutition Disorders
Esophageal Diseases
Gastrointestinal Diseases
Digestive System Diseases