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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02889107
Other study ID # 11/LO/1675
Secondary ID
Status Completed
Phase N/A
First received August 23, 2016
Last updated August 30, 2016
Start date April 2013
Est. completion date January 2016

Study information

Verified date August 2016
Source University College, London
Contact n/a
Is FDA regulated No
Health authority United Kingdom: Research Ethics Committee
Study type Interventional

Clinical Trial Summary

This study aimed to evaluate long term benefits in speech reception in noise, after daily 10 week use of an assisting listening device (personal frequency-modulates systems) , in non-aphasic stroke patients with auditory processing deficits.


Description:

Stroke can affect all levels of the auditory pathway. Approximately one in five stroke survivors report severe difficulties when listening to speech-in-noise, despite normal hearing, attributed to abnormal processing of sounds within the brain, and these individuals are more likely to experience communication difficulties in poor acoustic environments, The patient with significant auditory deficits and functional limitations may require a range of rehabilitation and remediation approaches. Several studies conclusively demonstrate substantial improvements in speech recognition in noise when using personal frequency-modulated (FM) systems. These devices are used to improve speech perception in noise in adults with neurological disorders including stroke with good immediate benefits. However, the long-term benefits of FM systems in stroke patients has not been studies. In this research study the investigators aimed to investigate the long term benefits in speech reception in noise in non-aphasic stroke patients and measure the potential improvement in unaided speech in background noise performance after 10 weeks.


Recruitment information / eligibility

Status Completed
Enrollment 9
Est. completion date January 2016
Est. primary completion date December 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- Clinical history of ischaemic stroke verified by brain magnetic resonance imaging (MRI)

- Diagnosis of auditory processing disorders

- Normal pure-tone audiogram

Exclusion Criteria:

- Severe aphasia

- Significant psychiatric illnesses

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Supportive Care


Related Conditions & MeSH terms


Intervention

Other:
personal frequency modulated systems
patients used personal frequency modulated systems for at least 4 hours daily for 10 weeks

Locations

Country Name City State
United Kingdom University College London Hospitals London

Sponsors (1)

Lead Sponsor Collaborator
University College, London

Country where clinical trial is conducted

United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary The signal-to-noise ratio (SNR) benefit for speech in noise (reported in decibel, dB) Patients are tested in a sound attenuated booth (the crescent of sound) with nine audio stands, an equipment cabinet, and a testing station for the assessment of spatial-listening skills. A 'Speech in noise' test was used. In this test, recorded spoken sentences are presented from straight ahead (0°) while noise is also coming from 90° to the left or right from the participant, who is asked to repeat the sentence. The number of keywords successfully repeated is recorded and repetition of at least three keywords per sentence is required to judge correct performance. The level of the sentences and the background noise are adaptively varied to estimate the signal-to-noise ratio (SNR) for 50% correct performance. The test was conducted with the participant using the frequency modulated systems (aided condition) or not using the frequency modulated systems (unaided condition). The level of SNR is reported in dB. week 1 No
Secondary The signal-to-noise ratio (SNR) benefit for speech in noise (reported in decibel, dB) Patients are tested in a sound attenuated booth (the crescent of sound) with nine audio stands, an equipment cabinet, and a testing station for the assessment of spatial-listening skills. A 'Speech in noise' test was used. In this test, recorded spoken sentences are presented from straight ahead (0°) while noise is also coming from 90° to the left or right from the participant, who is asked to repeat the sentence. The number of keywords successfully repeated is recorded and repetition of at least three keywords per sentence is required to judge correct performance. The level of the sentences and the background noise are adaptively varied to estimate the signal-to-noise ratio (SNR) for 50% correct performance. The test was conducted with the participant using the frequency modulated systems (aided condition) or not using the frequency modulated systems (unaided condition). The level of SNR is reported in dB. week 10 No
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