# Prevalence and Clinical Characteristics of Patients With Jackhammer Esophagus and Symptoms of Gastroesophageal Reflux Disease

> **NCT03347903** · — · COMPLETED · sponsor: **Medical University of Vienna** · enrollment: 37 (actual)

## Conditions studied

- Esophageal Motility Disorders

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03347903
- **Lead sponsor:** Medical University of Vienna
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-01-01
- **Primary completion:** 2017-05-30
- **Final completion:** 2017-05-30
- **Target enrollment:** 37 (ACTUAL)
- **Last updated:** 2017-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03347903

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03347903, "Prevalence and Clinical Characteristics of Patients With Jackhammer Esophagus and Symptoms of Gastroesophageal Reflux Disease". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03347903. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
