Usefulness of Semi-fixed oral appliance for obstructive sleep apnea patients

Study of efficacy of Semi-fixed oral appliance for obstructive sleep apnea patients

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs072190026

Enrollment

Registered

2019-09-06

Start date

2019-10-02

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

obstructive sleep apnea obstructive sleep apnea

Interventions

1. Semi-fixed OA group: Semi-fixed OA is used for 4 weeks, and 2 weeks later fixed OA is used for 4 weeks. 2. Fixed OA group : Fixed OA is used for 4 weeks, and 2 weeks later Semi-fixed OA is used fo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: OSA Patients

Exclusion criteria

Exclusion criteria: Patients with problem in judgement

Design outcomes

Primary

Measure	Time frame
Preventive effect on sleep disordered breathing; lower the apnea and hypopnea index	—

Secondary

Measure	Time frame
1. Preventive effect on temporomandibular joint pain 2. Use state of OA: continuance or stop 3. Preventive effect on sleep disordered breathing; higher lowest oxyhemoglobin saturation levels	—

Contacts

Public ContactMasahiro Umeda

Nagasaki University Hospital

mumeda@nagasaki-u.ac.jp+81-95-819-7698

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026