Ask to take part

Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.

Contact Information:

Dr Deborah Vickers
+44 (0)1223760683
dav1000@medschl.cam.ac.uk


Dr Deborah Vickers
+44 (0)1223760683
dav1000@medschl.cam.ac.uk


Ms Liz Arram
+44 (0)20 3108 8059
cctu.bears@ucl.ac.uk


More information about this study, what is involved and how to take part can be found on the study website.

Study Location:

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Be Part of Research - Trial Details - Both EARS training package (BEARS) to maximise hearing abilities in older children and teenagers with bilateral cochlear implants

Both EARS training package (BEARS) to maximise hearing abilities in older children and teenagers with bilateral cochlear implants

Medical Conditions

Speech-in-Noise outcomes in older children and teenagers with bilateral cochlear implants


This information is provided directly by researchers and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information.


Deafness is the most frequent human sensory deficit. Cochlear implantation is the primary intervention. Currently, over 6000 people have bilateral cochlear implants (CIs) in the UK, and most of these are children. Two implants are supposed to provide better access to sound, but it is challenging to interpret and integrate what is heard from both sides. The 'Living with cochlear implants' Patient and Public Involvement group reported that everyday communication is challenging and tiring, with extra effort required to integrate information from two ears, especially in noise. They reported that current rehabilitation techniques are not engaging, or appropriate to their lifestyles. To address these issues, researchers have developed a set of virtual reality games called BEARS (Both EARS). BEARS trains sound localisation and listening in noise. These are skills required in everyday listening. The aim of this study is to determine whether using the directional listening training delivered through the BEARS training package for 3 months alongside usual care compared to only receiving usual care improves speech-in-noise perception, hearing experiences, vocabulary and quality of life and reduces listening effort in young people between 8-16 years old (inclusive) with two CIs. The study will be carried out in clinical CI departments in NHS or University hospitals.

Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.  

The recruitment start and end dates are as follows:

28 Feb 2023 30 Apr 2025

Participants will be randomly allocated into one of two groups:
1. Receive the BEARS training package to use for 3 months alongside usual care. This group will be given a head-mounted display or iPad with the BEARS training package pre-installed. The participants will be asked to complete the BEARS training package for a minimum of 2 x 30-minute sessions a week during the 3 months and also complete a training diary and answer some questions about the BEARS training package on a weekly basis.
2. Continue with usual care
All participants will complete hearing assessments and questionnaires before completing the 3-month intervention. They will be followed up for the next 9 months through online and in-person appointments. Participants and clinicians can also consent to interviews.


Patients aged 8-16 years with severe/profound bilateral hearing loss who use bilateral cochlear implants

You can take part if:



You may not be able to take part if:


Current exclusion criteria as of 02/12/2024:1. Participant (or parent/legal representative) does not speak/understand English sufficiently to undertake assessments2. Participant has an intellectual disability at a level that would prevent their ability to understand the trial the intervention or assessment questions3. Participant has a comorbid condition impacting ability to participate in intervention and/or outcome assessment4. Participant has an audiological profile impacting ability to participate in intervention and/or outcome assessments5. Participant is actively participating in other trials that may affect hearing outcomes or impact their ability to participate in the intervention6. Participant is currently or anticipated to receive treatment and/or intervention that may affect hearing outcomes or adapt implant settings/programming7. Participant is refusing to consent to trial activities/protocol8. Participant is awaiting reimplantation following device failure or infection9. Participant is a non-user of one or both implant processors (i.e., must use both processors for a minimum of 6 hours per day over a month)10. Participant is a full-time boarder at a boarding school11. Participant has unresolvable issues found in device checks that render one of the implants unusable12. Participant is a female that is pregnant13. Participant has a diagnosis of epilepsy or history of seizures of any kind

Previous exclusion criteria:1. Participant (or parent/legal representative) does not speak/understand English sufficiently to undertake assessments2. Participant has an intellectual disability at a level that would prevent their ability to understand the trial the intervention or assessment questions3. Participant has a comorbid condition impacting ability to participate in intervention and/or outcome assessment4. Participant has an audiological profile impacting ability to participate in intervention and/or outcome assessments5. Participant is actively participating in other trials that may affect hearing outcomes or impact their ability to participate in the intervention6. Participant is currently or anticipated to receive treatment and/or intervention that may affect hearing outcomes or adapt implant settings/programming7. Participant is refusing to consent to trial activities/protocol8. Participant is awaiting reimplantation following device failure or infection9. Participant has had any changes to the programmes of either CI within the last 4 weeks10. Participant has had a change of CI processor model or upgrade within the last 4 weeks11. Participant is a non-user of one or both implant processors (i.e., must use both processors for a minimum of 6 hours per day over a month)12. Participant is a full-time boarder at a boarding school13. Participant has unresolvable issues found in device checks that render one of the implants unusable14. Participant is a female that is pregnant15. Participant has a diagnosis of epilepsy or history of seizures of any kind


Below are the locations for where you can take part in the trial. Please note that not all sites may be open.

  • Emmeline Centre for Hearing Implants
    Hills Road
    Cambridge
    CB2 0QQ
  • GSTT, Hearing Implant Centre
    Ear, Nose and Throat (ENT) Services 2nd Floor, Lambeth Wing St Thomas' Hospital Westminster Bridge Road
    London
    SE1 7EH
  • University of Southampton Auditory Implant Service
    University of Southampton Highfield Campus Building 19, Highfield
    Southampton
    SO17 1BJ
  • Great Ormond Street Hospital, Cochlear Implant Programme
    GOSH Sight and Sound Centre 40-41 Queen Square
    London
    WC1N 3AJ
  • UCLH, Auditory Implants Programme
    The Royal National ENT and Eastman Dental Hospitals 47-49 Huntley Street
    London
    WC1E 6DG
  • St George's Hospital, Auditory Implant Service
    ENT & Audiology Dept Ground Floor, Lanesborough Wing St George’s Hospital
    London
    SW17 0QT
  • Birmingham Paediatric Cochlear Implant Programme
    Optegra Building Aston University Campus
    Birmingham
    B4 7ET
  • Nottingham Cochlear Implant Programme
    Ropewalk Court 113 The Ropewalk
    Nottingham
    NG1 5DU
  • Oxford Auditory Implant Programme
    ENT, West Wing John Radcliffe Hospital Headley Way
    Oxford
    OX3 9DU
  • The Scottish Cochlear Implant Programme
    The Raj Singh Cochlear Implant Centre University Hospital Crosshouse
    Kilmarnock
    KA2 0BE
  • North East Regional Cochlear Implant Programme
    The James Cook University Hospital Marton Road
    Middlesbrough
    TS4 3BW
  • Belfast Auditory Implant Centre
    Beech Hall Day Centre 21 Andersonstown Rd
    Belfast
    BT11 9AF
  • Manchester Royal Infirmary, Cochlear Implant Department
    Manchester Royal Infirmary Peter Mount Building Oxford Road
    Manchester
    M13 9WL
  • Yorkshire Auditory Implant Service
    Listening for Life Centre Bradford Royal Infirmary Duckworth Lane
    Bradford
    BD9 6RJ

Participants who receive the BEARS training package of virtual reality games will be given training separate to usual care, which is hoped will develop and improve their hearing ability.
The BEARS training package will be carried out using either an Oculus virtual reality head-mounted display or an iPad with headphones. Both devices are licensed for everyday use. There are risks associated with using the Oculus virtual reality head-mounted display, which are detailed in the device’s safety manual on the Oculus website. The main risk associated with this trial and using the Oculus device is falling whilst playing the games. For this reason, all participants must play the games whilst sitting down on a chair.

Ms Liz Arram
+44 (0)20 3108 8059
cctu.bears@ucl.ac.uk


Dr Deborah Vickers
+44 (0)1223760683
dav1000@medschl.cam.ac.uk


Dr Deborah Vickers
+44 (0)1223760683
dav1000@medschl.cam.ac.uk



More information about this study, what is involved and how to take part can be found on the study website.


The study is sponsored by Guy's and St Thomas' NHS Foundation Trust and funded by National Institute for Health and Care Research.




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Read full details for Trial ID: ISRCTN92454702

Or CPMS 55521

Last updated 03 December 2024

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