Last updated on January 2016

Validation of a Non-invasive In-vitro Diagnostic Test (Peptest) Against Other Diagnostic Methods for GERD


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Gastro-esophageal Reflux Disease
  • Age: Between 18 - 100 Years
  • Gender: Male or Female
  • Other:
    Case group:
    Patients diagnosed as gastroesophageal reflux disease within 6 months had endoscopy
    within 6 months and presented with reflux symptoms in the past 4 weeks.
    Patients with RDQ questionnaire score of no less than 12 points.
    Patients who met the requirements and signed the informed consent.
    Collection and processing of samples should comply with the requirements of
    laboratory operation rules and product specifications.
    Healthy group:
    Healthy subjects without any symptoms of gastroesophageal reflux, extra-esophageal
    reflux and laryngopharyngeal reflux.
    Healthy subjects with RDQ questionnaire score of 0.
    Healthy subjects with RSI questionnaire score of no more than 9 points and heartburn
    ymptom score of 0.
    Healthy subjects who met the requirements and signed the informed consent.
    Collection and processing of samples should comply with the requirements of
    laboratory operation rules and product specifications.

You may not be eligible for this study if the following are true:

  • Patients with functional heartburn.
    Patients who took gastric motor drugs within 7 days after entering the study.
    Patients with esophageal spasm and achalasia, eosinophilic esophagitis, dysphagia,
    esophageal or gastric cancer, and patients who received esophagus and stomach surgery
    Patients with serious hypohepatia or renal insufficiency
    Pregnant women
    Patients whose saliva samples were not appropriate for detection
    Samples not meeting the collection and processing requirements.

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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