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Hearing LossNCT04279236

Multi-Center Study on Performance of the Ponto Implant System Using Minimally Invasive Ponto Surgery (in Adult Patients)

An observational study of Hearing Loss, run by Oticon Medical at 8 sites in 3 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This prospective, multi-center study funded by Oticon Medical AB will be conducted at six clinical sites in North America. Patients with a hearing loss and that are already planned for treatment with a percutaneous (through the skin) bone-anchored hearing system (BAHS) will be included in the study. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Hearing Loss
What is being tested?
Abbreviated Profile Hearing Aid Benefit (APHAB), Glasgow Benefit Inventory (GBI) and Additional follow-up visit
How many people
64 participants
Where
8 sitesin 3 countries
Study dates
15 Jun 2020to 10 Dec 2024
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
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients presenting to participating clinics who meet clinical indications for surgical intervention with a bone anchored hearing system.

Who may be able to join

  • 18 years of age or older
  • Patient indicated for surgical intervention with a bone anchored hearing system according to local clinic's standard guidelines.
  • Normal bone quality and bone thickness above 3 mm, where no complications during surgery are expected.
  • Skin thickness of 12mm or less at the implant site

Who cannot join

  • Patients undergoing re-implantation
  • Patients who are unable or unwilling to follow investigational procedures/requirements, e.g. to complete quality of life scales.
  • Diseases or treatments known to compromise the bone quality at the implant site, e.g. radiotherapy, osteoporosis, diabetes mellitus
  • Known conditions (e.g. uncontrolled diabetes) that could jeopardize skin condition and wound healing over time as judged by the investigator.
  • Any other known condition that the investigator determines could interfere with compliance or study assessments.

Trial locations and contacts

8 sites in 3 countries.

8 sites in 3 countries

United States6 sites
  • UT Southwestern Medical Center

    Dallas, Texas, 75390

  • Otolaryngology Associates

    Indianapolis, Indiana, 46237

  • New York Eye and Ear Infirmary

    New York, New York, 10003

  • Northwest Ear Institute

    Portland, Oregon, 97210

  • Virginia Commonwealth University

    Richmond, Virginia, 23284

  • Silverstein Institute

    Sarasota, Florida, 34239

Other trials in United States

Canada1 site
  • The Research Institute of the McGill University Health Centre

    Montreal, Quebec, H3H 2R9

Other trials in Canada

Spain1 site
  • Hospital Universitario de Donostia

    San Sebastián, Gipuzkoa, 20014

Other trials in Spain

About this study

Official title: A Prospective Multi-Center Study on the Performance of the Ponto Implant System Using Minimally Invasive Ponto Surgery (MIPS)

This prospective, multi-center study funded by Oticon Medical AB will be conducted at six clinical sites in North America. Patients with a hearing loss and that are already planned for treatment with a percutaneous (through the skin) bone-anchored hearing system (BAHS) will be included in the study. The total number of participants included in the study will be 64.

The purpose of this study is to investigate the rate of successful BAHS use after implantation of the Ponto Implant system using the surgical technique Minimally Invasive Ponto Surgery (MIPS).

Read the detailed description

This prospective, multi-centre study funded by Oticon Medical AB will be conducted at six clinical sites in North America. Patients with a hearing loss and that are already planned for treatment with a percutaneous (through the skin) bone-anchored hearing system (BAHS) will be included in the study. The total number of participants included in the study will be 64. Patients who are withdrawn from the study prior to completion will not be replaced.

The purpose of this study is to investigate the rate of successful BAHS use after implantation of the Ponto Implant system using the surgical technique Minimally Invasive Ponto Surgery (MIPS). The implant, coupled to a skin-penetrating abutment, is implanted in the bone behind the ear and is later loaded with a sound processor which transforms sound waves to sound vibrations that can be sent directly to the inner ear via the skull bone. The primary objective of this study is to investigate the proportion of implant/abutment complexes providing a reliable anchorage for a sound processor, 3 months after implantation/surgery.

Conditions
Hearing Loss
Being tested
Abbreviated Profile Hearing Aid Benefit (APHAB), Glasgow Benefit Inventory (GBI), Additional follow-up visit
Medical subject headings
Hearing Loss

What participants receive

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

  • Abbreviated Profile Hearing Aid Benefit (APHAB)Other

    An intervention in this study which is outside the routine clinical practice of the clinics is the APHAB questionnaire that will be completed by the subjects on 2 occasions.

  • Glasgow Benefit Inventory (GBI)Other

    An intervention in this study which is outside the routine clinical practice of the clinics is the GBI questionnaire that will be completed by the subjects on 2 occasions.

  • Additional follow-up visitOther

    There is an additional follow-up visit after surgery (compared to the routine clinical practice of the surgeons/clinics).

Study groups in NCT04279236
Study groupRoleWhat they receive
Single-armIn this single-arm study, the only interventions compared to routine clinical practice are the completion of two patient questionnaires (APHAB and GBI) and an additional follow-up visit after surgery.
Receives: Other: Abbreviated Profile Hearing Aid Benefit (APHAB); Other: Glasgow Benefit Inventory (GBI); Other: Additional follow-up visit

What is being measured

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

  1. Implant/abutment complex capability to provide reliable anchorage for sound processor

    The variables assessed to determine reliable anchorage in the study are implant survival and stability, skin reactions, skin over-growth and pain preventing use of the sound processor. For a positive outcome of the primary endpoint (reliable anchorage), the implant should be in place and stable. without any adverse skin reactions or skin over-growth and pain preventing usage of the sound processor.

    Measured: 3 months after implant surgery (MIPS)

Secondary outcomes (18)
  1. Implant/abutment complex capability to provide reliable anchorage for sound processor

    The variables assessed to determine reliable anchorage in the study are implant survival and stability, skin reactions, skin over-growth and pain preventing use of the sound processor. For a positive outcome of the primary endpoint (reliable anchorage), the implant should be in place and stable without any adverse skin reactions or skin over-growth and pain preventing usage of the sound processor.

    Measured: 12 months after implant surgery (MIPS)

  2. Implant survival

    Implant survival will be assessed by the investigator by means of a Yes/No question: Implant/abutment complex in place [Yes/No]

    Measured: 12 months after implant surgery (MIPS)

  3. Implant stability

    Clinical assessment of implant stability by the investigator by means of a Yes/No question: Implant stable [Yes/No]

    Measured: 12 months after implant surgery (MIPS)

  4. Holgers score ratings

    Distribution of Holgers score ratings (scale 0-4) where a higher score corresponds to a poorer outcome, assigned by investigator

    Measured: 12 months after implant surgery (MIPS)

  5. IPS scores

    Distribution of IPS (Inflammation [total score 0-4], Pain [score 0-2], Skin height [score 0-2]) scores assigned by investigator. The IPS score is presented as [Ix Px Sx] with x being the individual score for each parameter. A higher score corresponds to a poorer outcome

    Measured: 12 months after implant surgery (MIPS)

  6. Patient-perceived presence of pain around implant/abutment

    Assessment of presence of patient-perceived pain by means of a Yes/No question to the subject

    Measured: 12 months after implant surgery (MIPS)

  7. Patient-perceived magnitude of pain around implant/abutment

    Assessment of magnitude of patient-perceived pain using a numerical rating scale (NRS) (range 0-10) where a higher rating corresponds to a poorer outcome

    Measured: 12 months after implant surgery (MIPS)

  8. Patient-perceived presence of numbness around implant/abutment

    Assessment of presence of patient-perceived numbness by means of a Yes/No question to the subject

    Measured: 12 months after implant surgery (MIPS)

  9. Patient-perceived magnitude of numbness around implant/abutment

    Assessment of magnitude of patient-perceived numbness using a numerical rating scale (NRS) (range 0-10) where a higher rating corresponds to a poorer outcome

    Measured: 12 months after implant surgery (MIPS)

  10. Skin/soft tissue overgrowth

    Skin overgrowth over implant/abutment complex judged by the investigator by means of a Yes/No question

    Measured: 12 months after implant surgery (MIPS)

  11. Duration of surgery

    Length of surgery measured in minutes

    Measured: At implant surgery (MIPS)

  12. Wound dehiscence

    Prevalence of wound dehiscence measured as millimeters of dehiscence

    Measured: 12 months after implant surgery (MIPS)

  13. Wound healing time

    Average healing time [days] from surgery when the wound is considered healed

    Measured: 12 months after implant surgery (MIPS)

  14. Implant/abutment usage

    Mean hours of use of a sound processor on the implant/abutment

    Measured: 12 months after implant surgery (MIPS)

  15. Subjective benefit after MIPS surgery

    Abbreviated Profile Hearing Aid Benefit (APHAB) questionnaire score (1-99) where a global higher score corresponds to a poorer outcome

    Measured: At screening visit (visit before surgery)

  16. Subjective benefit after MIPS surgery

    Abbreviated Profile Hearing Aid Benefit (APHAB) questionnaire score (1-99) where a higher global score corresponds to a poorer outcome

    Measured: 6 months after implant surgery (MIPS)

  17. Subjective benefit after MIPS surgery

    Glasgow Benefit Inventory (GBI) questionnaire score (-100 to +100) where [-100] means maximum adverse effect, [0] means no effect, and [+100] means maximum positive effect

    Measured: 3 months after implant surgery (MIPS)

  18. Subjective benefit after MIPS surgery

    Glasgow Benefit Inventory (GBI) questionnaire score (-100 to +100) where [-100] means maximum adverse effect, [0] means no effect, and [+100] means maximum positive effect

    Measured: 12 months after implant surgery (MIPS)

Timeline

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

  1. First posted21 Feb 2020
  2. Study start15 Jun 2020
  3. Primary completion20 May 2024
  4. Study completion10 Dec 2024

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
Cohort
Time perspective
Prospective
Enrolment
64 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04279236
Sponsor's protocol ID
BC100
Status last verified
Jan 2025
First submitted
17 Feb 2020
Last updated
27 Jan 2025
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Hearing Loss, run by Oticon Medical at 8 sites in 3 countries.

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 5 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: finished, as of the sponsor's last update on 27 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 8 sites in United States, Canada, Spain. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Implant/abutment complex capability to provide reliable anchorage for sound processor (time frame: 3 months after implant surgery (MIPS)). 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 27 Jan 2025.

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