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Evaluation of the Restera™ Serene™ System in Adults With Obstructive Sleep Apnea

A Multi-center Proof-of-concept Study to Assess the Safety and Effectiveness of the Restera™ Serene™ System When Stimulating the Hypoglossal Nerve Alone or the Hypoglossal Nerve Plus the Ansa Cervicalis Nerve for the Treatment of Obstructive Sleep Apnoea in Adult Participants.

Status
Recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07303452
Acronym
REST-HGN+AC
Enrollment
20
Registered
2025-12-24
Start date
2025-12-31
Completion date
2029-05-31
Last updated
2025-12-24

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

Conditions

Obstructive Sleep Apnea

Brief summary

The purpose of this multi-center proof-of-concept safety and efficacy study is to collect chronic sleep-related data following percutaneous placement of electrode arrays near the hypoglossal nerve and the ansa cervicalis in adults with obstructive sleep apnea.

Interventions

Neurostimulation via Restera Serene System

Sponsors

Restera, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Body Mass Index (BMI) ≤ 32 kg/m2 * AHI between 15-65 events/hour * Participants who have either not tolerated, have failed or refused positive airway pressure (PAP)

Exclusion criteria

* Pregnancy or breast-feeding * Significant upper airway anatomic abnormalities * Significant positionally-dependent OSA * Participants taking medications that may alter body weight

Design outcomes

Primary

MeasureTime frameDescription
Safety of the Restera Serene System6 monthsIncidence of device and/or procedure-related serious adverse events
Effectiveness of the Restera Serene System6 monthsChange from baseline in the Apnea-Hypopnea Index

Secondary

MeasureTime frameDescription
Long-term Safety of the Restera Serene System36 monthsIncidence of device and/or procedure-related serious adverse events
Long-term Effectiveness of the Restera Serene System36 monthsChange from baseline in the Apnea-Hypopnea Index

Countries

Australia

Contacts

Primary ContactTim Fayram
tfayram@resterasleep.com408-612-7570

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026