Aim <p>The aim of this study was to explore the accuracy of the diagnosis of gastro-esophageal reflux disease (GERD) through tegoprazan treatment trials, and to analyze factors that may influence test accuracy.</p> Methods <p>This was a single-blind, single-arm 2 weeks tegoprazan treatment trials from March 2023 to April 2024. Patients with ‘typical’ reflux or heartburn as their most troublesome symptom who were considered likely to have GERD were recruited.: Patients were submitted to endoscopy and/or esophageal pH monitoring. After the recording patient used tegoprazan for 2 weeks. This was defined as positive for tegoprazan therapy if the scores for symptoms have decreased to 50%, 75% and 100% of the baseline after 1 and 2 weeks. Calculate different sensitivity, specificity and Youden index for each criterion.</p> Results <p>This represents a mid-term report from the study, with 98 and 91 fully evaluable at one and two weeks. The Youden index indicated that a symptom relief of &gt; 75% after one week offers greater diagnostic value with sensitivity and specificity of 77.5% and 51.9%. Multivariate regression analysis indicated that lower BMI, preference for coffee, endoscopic mucosal erosion, ineffective esophageal peristalsis and positive SAP are independent risk factors predicting the efficacy of P-CAB treatment.</p> Conclusions <p>The P-CAB test (tegoprazan) presents a promising tool for the diagnosis of GERD. A one-week treatment with a criterion of 75% reduction in symptom scores from baseline may be the most cost-effective approach.</p> Trial registration <p>chictr.org.cn registration number ChiCTR2200065994.</p>

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Accuracy of the diagnosis of gastroesophageal reflux disease by a trial of potassium-competitive acid blocker treatment

  • Peiwen Dong,
  • Lin Lin,
  • Kaidi Sun,
  • Feng Tang,
  • Qian Li,
  • Xinxu Zhou,
  • Fuli Liu,
  • Zhilin Yang,
  • Jiao Li,
  • Lin Jiang,
  • Ping Zhao,
  • Xiaobin Sun,
  • Qiong Wang

摘要

Aim

The aim of this study was to explore the accuracy of the diagnosis of gastro-esophageal reflux disease (GERD) through tegoprazan treatment trials, and to analyze factors that may influence test accuracy.

Methods

This was a single-blind, single-arm 2 weeks tegoprazan treatment trials from March 2023 to April 2024. Patients with ‘typical’ reflux or heartburn as their most troublesome symptom who were considered likely to have GERD were recruited.: Patients were submitted to endoscopy and/or esophageal pH monitoring. After the recording patient used tegoprazan for 2 weeks. This was defined as positive for tegoprazan therapy if the scores for symptoms have decreased to 50%, 75% and 100% of the baseline after 1 and 2 weeks. Calculate different sensitivity, specificity and Youden index for each criterion.

Results

This represents a mid-term report from the study, with 98 and 91 fully evaluable at one and two weeks. The Youden index indicated that a symptom relief of > 75% after one week offers greater diagnostic value with sensitivity and specificity of 77.5% and 51.9%. Multivariate regression analysis indicated that lower BMI, preference for coffee, endoscopic mucosal erosion, ineffective esophageal peristalsis and positive SAP are independent risk factors predicting the efficacy of P-CAB treatment.

Conclusions

The P-CAB test (tegoprazan) presents a promising tool for the diagnosis of GERD. A one-week treatment with a criterion of 75% reduction in symptom scores from baseline may be the most cost-effective approach.

Trial registration

chictr.org.cn registration number ChiCTR2200065994.