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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05467059
Other study ID # 2022-A00197-36
Secondary ID
Status Completed
Phase
First received
Last updated
Start date June 9, 2022
Est. completion date March 10, 2023

Study information

Verified date March 2023
Source Robin Guillard EIRL
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

The proposed research is a non-interventional study made to evaluate different measurements on 1 group of participants, before and after taking a nap, aiming to potentially guide future investigations on nap-modulated tinnitus to better understand this phenomenon. The main hypothesis is that sleep apneas could be correlated with an increase of tinnitus intensity.


Description:

1. - Background : Tinnitus is a really important concern due to its high prevalence (10% world population) and its deteriorating effects on life quality. Subjective tinnitus still remains a scientific enigma because of its partial elucidation. The limited knowledge on its causes can be partially attributed to its intrinsic heterogeneity. In questionnaires previous to this study, 34% of participants showed a characteristic symptomatology of interactions between tinnitus and their sleep : they feel their tinnitus at its maximum intensity after sleeping periods (nap and sleep). In most cases they describe a frank rise of the intensity, compared in scientific papers to the "exploding head syndrome". Therefore this study aims to determine what are the main physiopathological processes correlated to the rises of tinnitus 2. - Objectives : Estimate the correlations between tinnitus intensity changes (before and after the nap) and the number of sleep apneas. Secondary measurements are described in the outcome field.


Recruitment information / eligibility

Status Completed
Enrollment 37
Est. completion date March 10, 2023
Est. primary completion date September 15, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - Affiliated participant or beneficiary of a social security scheme - Acceptation of protocol and signature of non-opposition - Frankly nap-modulated tinnitus (increase of intensity after napping) - Tinnitus maskable by white noise equal or inferior to 85 dB Exclusion Criteria: - Persons under juridic protection (guardianship or safeguard of justice) - Clear cognitive incapacity (not understanding/nor apprehend the study tasks) - Pregnancy or breast feeding - Epilepsia - Non-equilibrated chronic metabolic pathology - Non-equilibrated psychiatric pathology - Difficulty in napping - Important hyperacusis - Meniere's disease, fast fluctuating tinnitus (seconds or minutes), pulsatile tinnitus - Any patient benefiting of a tinnitus treatment that was modified in the last 3 months - Superficial wound, open or partially not cauterized

Study Design


Intervention

Other:
Napping
Patients are already equipped with electrodes when they pass a test battery before the nap to evaluate mechanisms potentially correlated with tinnitus modulation. Then they do a nap, the nap is stopped when several periods of sleep are seen on EEG (electroencephalogram). Then the test battery is done backwards to evaluate the same measures.

Locations

Country Name City State
France Hôpital Hôtel-Dieu Paris

Sponsors (3)

Lead Sponsor Collaborator
Robin Guillard EIRL Fondation Lopez-Loreta, Service du sommeil de l'hôpital de l'Hôtel-Dieu

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Average change in minimum masking level of tinnitus (measured in dB) Minimum masking level is measured with a wideband 20hz-12kHz noise before and after each nap of 5 minutes sleep. Average from 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between sleep apnea index (number of apnea/hyponea events per hour) and change in minimum masking level of tinnitus (measured in dB) Sleep apnea index is measured during naps using plethysmography and using air flow measurements through cannulas. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between muscular tension (Electromyogram + Trigger Points) and change in minimum masking level of tinnitus (measured in dB) Using electromyogram on suprahyoid and masseter muscles, trigger points are done searching for muscle nodes 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between Middle ear mobility (Impedancemetry) and change in minimum masking level of tinnitus (measured in dB) Using a multi-frequency impedancemeter 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between tubal function (Tubomanometry) and change in minimum masking level of tinnitus (measured in dB) Using tubomanometer, the eustachian tube is controled (what pressure through the noise is needed) 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between articular dysfunction (Physiotherapy Tests) and change in minimum masking level of tinnitus (measured in dB) Using cervical rotation test + adapted spurling test + jaw mobility in antepulsion and diduction 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between change in averaged electroencephalogram alpha band power and change in minimum masking level of tinnitus (measured in dB) Difference of alpha band power in the EEG signal averaged on the whole scalp between the resting state of 90s before the 5 minutes nap and the one after. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between change in averaged electroencephalogram delta band power and change in minimum masking level of tinnitus (measured in dB) Difference of delta band power in the EEG signal averaged on the whole scalp between the resting state of 90s before the 5 minutes nap and the one after. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between change in averaged electroencephalogram theta band power and change in minimum masking level of tinnitus (measured in dB) Difference of theta band power in the EEG signal averaged on the whole scalp between the resting state of 90s before the 5 minutes nap and the one after. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between change in averaged electroencephalogram beta band power and change in minimum masking level of tinnitus (measured in dB) Difference of beta band power in the EEG signal averaged on the whole scalp between the resting state of 90s before the 5 minutes nap and the one after. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation between change in averaged electroencephalogram gamma band power and change in minimum masking level of tinnitus (measured in dB) Difference of gamma band power in the EEG signal averaged on the whole scalp between the resting state of 90s before the 5 minutes nap and the one after. 6 naps of 5 minutes sleep each over 2 days of participation
Secondary Correlation coefficient between audition thresholds (Audiogram) values and change in minimum masking level of tinnitus (measured in dB) Using an audiometer 6 naps of 5 minutes sleep each over 2 days of participation
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