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Dual Sensory Impairment of Vision and HearingDSLNCT06362213

Gaining Insight Into Dual Sensory Loss

An observational study of Dual Sensory Impairment of Vision and Hearing, run by Amsterdam UMC, location VUmc at 1 site in Netherlands.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The goal of this observational study is to explore difficulties in information access, mobility, communication and fatigue in people with combined vision and hearing impairments. Read more about this study

Who is it for?
Ages 18 years and older
How many people
300 participants
Where
1 siteNetherlands
Study dates
15 Apr 2024to Apr 2025
How long will I take part?
1 Day
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Adult, Older adult

Study population: People with dual sensory loss have impairments in both vision and hearing, which can range from total vision and hearing loss to having limited residual vision and hearing.

Who may be able to join

  • Older than 18 years
  • Good understanding of the Dutch language
  • Clients: visual and/or auditory impairment (congenital or acquired)
  • Other participants: normal vision and hearing

Who cannot join

  • Impaired cognitive functioning

Trial locations and contacts

1 site in 1 country.

Esther Veenman, MSc contact

+31204440105

e.veenman1@amsterdamumc.nl

Ruth MA van Nispen, prof.dr. contact

+31204444795

r.vannispen@amsterdamumc.nl

Netherlands1 site
  • Amsterdam UMC, location VUmc

    Amsterdam, North Holland, 1081 HV

Other trials in Netherlands

About this study

Official title: Gaining Insight Into Dual Sensory Loss: Quantitative Study

The goal of this observational study is to explore difficulties in information access, mobility, communication and fatigue in people with combined vision and hearing impairments. The main question it aims to answer is:

  • What influence do varying severities of vision and hearing loss have on information access, mobility, communication and fatigue.

Participants will fill out questionnaires and the researchers will measure their vision and hearing functions.

Read the detailed description

People with dual sensory loss have impairments in both vision and hearing. When the impairments are severe, it will become more difficult to compensate for these impairments. This can result in difficulties, for example in the areas of access to information, communication, fatigue and/or mobility. Now, we do not know which problems arise from different combinations and levels of impairments in visual acuity, contrast sensitivity, visual field, hearing threshold, directional hearing and speech understanding. We also do not know how this influences the areas of access to information, communication, fatigue and mobility.

The objective of this study is to determine which problems arise from different levels of impairments in visual and auditory functions. We will especially focus on the areas of access to information, communication, fatigue and mobility.

Study design

Participants' visual (visual acuity, visual field, contrast sensitivity) and auditory functions (hearing threshold, directional hearing, speech understanding) will be measured. We will use the following materials:

  • ETDRS card
  • Vistech card
  • Octopus perimeter
  • Affinity compact audiometer
  • 8 Genelec 8020 DPM speakers (to measure directional hearing)
  • Digits in Noise (DIN) test and NVA word lists

Several questionnaires will be filled out to measure difficulties in the areas of access to information, communication, fatigue and mobility:

  • Dutch ICF Activity Inventory - domains watching TV, using a computer, using a telephone, mobility outdoors (walking), using public transportation and feeling fit
  • Speech, Spatial and Qualities of Hearing Scale
  • Spatial Localization Questionnaire
  • Fatigue Assessment Scale

Study population:

  • 150 people with dual sensory loss
  • 50 people with a visual impairment
  • 50 people with an auditory impairment
  • 50 people with normal vision and hearing
Keywords
information access, mobility, communication, fatigue, visual acuity, contrast sensitivity, visual field, hearing threshold, speech understanding in noise, speech understanding in silence, directional hearing
Medical subject headings
Communication, Fatigue

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT06362213
Study groupRoleWhat they receive
participants with dual sensory lossparticipants with both vision and hearing loss
participants with vision lossparticipants with vision loss only
participants with hearing lossparticipants with hearing loss only
participants with normal vision and hearingparticipants without vision or hearing loss

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. information access

    Access to information will be measured with the Dutch ICF Activity Inventory (subscales 'Watching TV', 'Using a computer' and 'Using a telephone'). These subscales consist of 11, 13 and 5 items, respectively (29 items in total). All items are scored on a 5-point likert scale.

    Measured: 1 day

  2. mobility

    Mobility will be measured with the Dutch ICF Activity Inventory (subscales 'Mobility outdoors (walking)' and 'Using public transportation'). These subscales consist of 16 and 15 items, respectively (31 items in total). All items are scored on a 5-point likert scale. Secondly, the Spatial Localization Questionnaire20 will be used, consisting of 35 items, describing common scenarios. The following question structure is provided under each of the scenarios:

    Can you complete this task solely with your current vision? If yes, how difficult is it? (rated on a 5-point likert scale) Can you complete this task solely with your current hearing? If yes, how difficult is it? (rated on a 5-point likert scale) Would you primarily rely on your vision or hearing for this task? Do you use the other sense for this task at all?

    Measured: 1 day

  3. communication

    Communication will be measured with the Speech, Spatial and Qualities of Hearing Scale (speech subscale). This subscale consists of 14 items and is scored on an 11-point visual analog scale.

    Measured: 1 day

  4. fatigue

    Fatigue will be measured with the Dutch ICF Activity Inventory (feeling fit subscale). This subscale consists of 9 items, scored on a 5-point likert scale. Secondly, the Fatigue Assessment Scale will be used, consisting of 10 items, scored on a 5-point likert scale.

    Measured: 1 day

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Apr 2024
  2. Study start15 Apr 2024 (estimated)
  3. Primary completionApr 2025 (estimated)
  4. Study completionApr 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case-control
Time perspective
Cross-sectional
Enrolment
300 participants (estimated)
Target duration
1 Day
IDs, dates and publications
ClinicalTrials.gov ID
NCT06362213
Sponsor's protocol ID
NL76924.029.22
Acronym
DSL
Status last verified
Apr 2024
First submitted
8 Apr 2024
Last updated
12 Apr 2024
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: IPD cannot be shared if it includes identifiable information.

Questions about this trial

What is this clinical trial studying?

An observational study of Dual Sensory Impairment of Vision and Hearing, run by Amsterdam UMC, location VUmc at 1 site in Netherlands.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 12 Apr 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Esther Veenman, MSc (+31204440105, e.veenman1@amsterdamumc.nl), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

information access (time frame: 1 day). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Apr 2024.

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