Magnetic stimulation of the hypoglossal nerve (cranial nerve XII) during drug induced sleep endoscopy as preoperative predictor for postoperative results of hypoglossal nerve stimulator implantation patients with continous positive airway pressure intolerant obstructive sleep apnea

Magnetic stimulation of the hypoglossal nerve (cranial nerve XII) during drug induced sleep endoscopy as preoperative predictor for postoperative results of hypoglossal nerve stimulator implantation patients with continous positive airway pressure intolerant obstructive sleep apnea - HypoMagStimHNS

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

DRKS

Registry ID

DRKS00026036

Enrollment

Registered

2021-09-08

Start date

2021-10-01

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

G47.31

Interventions

Group 1: arm 1: 20 patients, result of diagnostic magnetic stimulation during the drug induced sleep endoscopy in patients with sleep apnea (AHI 15-65/h) with CPAP-intolerance and an anterior-posteri

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: OSA with AHI 15-65/h, BMI to max. 34,9 kg/qm

Exclusion criteria

Exclusion criteria: already implanted pacemakers, epilepsy, intracranial metals

Design outcomes

Primary

Measure	Time frame
1. Results of the sleep endoscopy according to the VOTE-classification (Hohenhorst). Magnetic stimulation induced opening of the tongue base as well as the raising of the epiglottis and the reaction of the lateral pharynx as indicators for the opening of the posterior airway space. The videosequences are evaluated...... 2. The AHI (Apnea-Hypopnea-Index) results originating from a polygraphy or polysomnography after the activation of the hypoglossal nerve stimulator in the postoperative intervall	—

Measure

Time frame

1. Results of the sleep endoscopy according to the VOTE-classification (Hohenhorst). Magnetic stimulation induced opening of the tongue base as well as the raising of the epiglottis and the reaction of the lateral pharynx as indicators for the opening of the posterior airway space. The videosequences are evaluated...... 2. The AHI (Apnea-Hypopnea-Index) results originating from a polygraphy or polysomnography after the activation of the hypoglossal nerve stimulator in the postoperative intervall

—

Secondary

Measure	Time frame
Friedman Score (Mallampati), Brodsky Score, BMI, neck circumference, noted severity of sleep apnea	—

Countries

Germany

Contacts

Public ContactHans-Jürgen Welkoborsky

Klinikum Region HannoverKlinikum NordstadtHNO-Klinik

hans-juergen.welkoborsky@krh.de0511-9704377

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026