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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05404438
Other study ID # YM107083E
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 9, 2018
Est. completion date January 31, 2022

Study information

Verified date September 2018
Source National Yang Ming University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study intends to investigate the improvement in patients with OSA through objective measurement, including oxygen desaturation index (ODI) and the percentage reduction in intermittent mouth puffing (IMP) before and after the intervention. The oral appliances are placed between the tongue and the soft palate to reduce the oral ventilation space. A total of 24 participants aged between 36 and 57 years were identified with ODI above 5 events/hour by measuring their blood oxygen and with an originally designed mouth puffing detector to find out those who were still mouth-puffed when their mouths were taped. A suitable appliance was chosen for the participants between the two originally designed oral appliances, tongue pressed device (TPD) and tongue elevated device (TED), and the intervention lasted for six weeks.


Recruitment information / eligibility

Status Completed
Enrollment 24
Est. completion date January 31, 2022
Est. primary completion date January 31, 2022
Accepts healthy volunteers No
Gender All
Age group 20 Years to 60 Years
Eligibility Inclusion Criteria: - (1) aged 20-60 years old, - (2) having symptoms of OSA including snoring, daytime sleepiness, etc. - (3) AHI & ODI >=5 events/hour, Exclusion Criteria: - (1) taken sleep medication within the last two months or were on long-term use, - (2) reported tobacco, alcohol, caffeine or drug addiction, - (3) cancer, cardiovascular disease, psychiatric illness, kidney disease, diabetes mellitus, or other sleep disorders.

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Oral Appliances
A pre-experimental, single-group pretest-posttest design was performed. At stage one, each participant underwent a 2-day general sleeping test and a 2-day sleeping test with mouth tape. At stage two, participants underwent conventional impressions for TPD and TED appliances and were then randomly assigned to wear the TPD or TED; together for two days of sleeping test with their mouth taped. After a 2-day break (washout), with the same procedure, participants wore the other appliance for another 2-day sleeping test and decided accordingly the optimal appliance that had reduced their ODI scores more. At stage three, participants wore their optimal appliance mouth-taped during sleep for 6 weeks. At the end of the intervention, all participants underwent few days sleeping test for final results.

Locations

Country Name City State
Taiwan Faculty of Medicine, and Institute of Brain Science, National Yang-Ming Chiao-Tung University Taipei

Sponsors (1)

Lead Sponsor Collaborator
National Yang Ming University

Country where clinical trial is conducted

Taiwan, 

Outcome

Type Measure Description Time frame Safety issue
Primary Differences in OSA-related variables before and after the six weeks oral device intervention According to OSA-related variables, we can analyze participants' ODI (events/hours), mean SpO2 (%), the lowest SpO2(%), and the percentage of total record time with oxygen saturation below 90% (T90) to evaluate their objective sleep quality. baseline, six weeks after intervention
Primary Differences in percentage of mouth puffing before and after the six weeks oral device intervention According to the number of mouth puffing by minutes, mouth puffing signals were divided into four types, including non-mouth puffing (NMP, no or less than 3 times MPSs on both sides), complete mouth puffing (CMP, regularly MPS on both sides, usually above 8-10 times), intermittent mouth puffing (IMP, irregularly MPS in both side, usually between 3-8 times), and side mouth puffing (SMP, showing one-side MPSs) to evaluate the percentage of mouth breathing while sleeping. baseline, six weeks after intervention
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