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The Effect of the LEFT Smartwatch App as Sleep Positional Therapy for Nocturnal Gastroesophageal Reflux Symptoms.

The Effect of the LEFT Smartwatch App as Sleep Positional Therapy for Nocturnal Gastroesophageal Reflux Symptoms. - LEFT-APP

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON53443
Enrollment
18
Registered
2023-07-20
Start date
2023-10-03
Completion date
Unknown
Last updated
2026-07-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastroesophageal reflux disease heartburn

Interventions

The SNOOOR device is worn on the upper chest and is designed to measure sleep position and stimulate to avoid the supine sleeping position in subjects with positional snoring. It is normally program

Sponsors

Amsterdam UMC
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: • Written informed consent. • Both male and female patients will be included. • Age 18 years or older • Symptoms of heartburn and/or acid regurgitation during at least three nights a week. • A total reflux symptom score >=8 (measured through the GERDQ questionnaire score). • Able to wear the Apple Watch on the left wrist.

Exclusion criteria

Exclusion criteria: • PPIs non-responders. • Nightshift workers • Surgery of the esophagus or stomach. • Regular use of sleep medication (benzodiazepines) or medication which affect gastrointestinal motility (e.g. prokinetics or opioids) that cannot be stopped during the duration of the trial. • Severe and clinically unstable concomitant disease (e.g. liver, cardiovascular or lung disease, neurological or psychiatric disorders, cancer or AIDS and other endocrine disorders). • Patients with obstructive sleep apnea or esophageal motility disorder. • Pregnant or lactating women.

Design outcomes

Primary

MeasureTime frame
Relative change in total nocturnal gastroesophageal reflux symptoms measured by N-GSSIQ.

Secondary

MeasureTime frame
• % responders as treatment success, defined as subjects with a minimal 50% reduction in nocturnal gastroesophageal reflux symptoms measured by N-GSSIQ • Change in total N-GSSIQ. • Change in sleep position (supine, prone or left or right lateral decubitus). • Change in nocturnal reflux free nights measured by daily symptom diary. • Change in reflux symptoms measured by RDQ • Change in sleep quality and effect on daily (working) life measured by PSQI and FOSQ-10.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Jul 23, 2026