Skip to content

Clinical Performance, Safety and Patient Reported Outcomes of an Active Osseointegrated Steady-State Implant System

A Prospective, Multicentre, Open Clinical Investigation Evaluating Clinical Performance, Safety and Patient Reported Outcomes With an Active Osseointegrated Steady-State Implant System (OSI) in Adult Subjects With Conductive Hearing Loss, Mixed Hearing Loss or Single-sided Sensorineural Deafness

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04041700
Enrollment
29
Registered
2019-08-01
Start date
2019-08-16
Completion date
2020-09-24
Last updated
2021-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Hearing Loss

Keywords

Hearing Loss, Conductive, Hearing Loss, Mixed, Deafness, sensorineural single-sided

Brief summary

The aim of this clinical investigation is to collect data on objective and subjective hearing performance, quality of life and safety in adult subjects with conductive hearing loss, mixed hearing loss or single-sided sensorineural deafness.

Interventions

System includes the OSI200 implant surgically placed under the skin behind the ear, the BI300 implant osseointegrated in the bone and the external Osia 2 sound processor.

Sponsors

Statistiska Konsultgruppen
CollaboratorOTHER
Cochlear
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Subject with conductive hearing loss or mixed hearing loss in the ear to be implanted. Bone conduction thresholds with pure tone average (PTA4; mean of 0.5, 1, 2 and 4 kHz) of ≤ 55 dB sensorineural hearing loss. OR Subject with single-sided sensorineural deafness who is a candidate for Baha surgery. Air conduction thresholds with a pure tone average PTA4 (mean of 0.5, 1, 2 and 3 kHz) of ≤ 20 dB sensorineural hearing loss in the good ear OR subject who is indicated for an (Air Conduction-Contralateral Routing of Signal (AC CROS) but-for some reason-cannot or will not use an AC CROS. * Adult subjects (18 years or older). * Previous experience from amplified sound through properly fitted amplification (for example but not limited to Hearing aid, Contralateral Routing of Signal (CROS) device, Bone conduction hearing device on softband). * Candidate is a fluent speaker in the language used to assess speech perception performance. * Willing and able to provide written informed consent

Exclusion criteria

* Uncontrolled diabetes as judged by the investigator. * Condition that could jeopardise osseointegration and/or wound healing (e.g. osteoporosis, psoriasis, long-term systemic use of corticosteroids) or condition that may have an impact on the outcome of the investigation as judged by the investigator. * Insufficient bone quality and quantity to support successful implant placement. * Previous surgery and/or implantation with any bone conduction/active device on the side to be implanted, which may jeopardise the implantation and use of the Osia 2 system, as judged by the investigator. * Use of ototoxic drugs that could be harmful to the hearing, as judged by the investigator. * Unable to follow investigational procedures, e.g. to complete quality of life scales, or unwilling to comply with the requirements of the clinical investigation as determined by the investigator. * Condition with a likely negative progression and/or with expected relapses jeopardising general wellbeing and health-related quality of life as judged by the investigator. * Subject that has received radiotherapy in the area of implantation or is planned for such radiotherapy during the study period. * Investigator site personnel directly affiliated with this study and/or their immediate families; immediate family is defined as a spouse, parent, child, or sibling. * Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation * Currently participating, or participated within the last 30 days, in another interventional clinical investigation involving an investigational drug or device.

Design outcomes

Primary

MeasureTime frameDescription
Change in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Condition Assessed Via Audiometric ThresholdsBaseline before surgery, 3 months after surgeryFree field (Pure Tone Average 4, mean of 0.5, 1,2 and 4 kHz)
Change in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in NoiseBaseline before surgery, 3 months after surgerySpeech-to-noise ratio, 50% speech understanding

Secondary

MeasureTime frameDescription
Change in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric ThresholdsBaseline before surgery, 4 weeks, 3 months and 6 months after surgeryFree-field \[0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0, 6.0 and 8.0 kHz\]
Change in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietBaseline before surgery, 4 weeks, 3 months and 6 months after surgery% correctly perceived words at 50dB, 65dB and 80dB SPL
Change in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireBaseline before surgery, 3 months and 6 months after surgeryMeasuring change of Ease of communication, Reverberation, Background noise, Aversiveness and a Global score with the Osia 2 System from the pre-operative unaided situation. The absolute APHAB scale is between 0 and 100%, where 0% indicates no problems and 100% indicates always problem. The change from unaided to aided hearing is presented. A positive value indicates an impairment, a negative value an improvement.
Change in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireBaseline before surgery, 3 months and 6 months after surgeryMeasuring change of speech, spatial and hearing experiences with the Osia 2 System from the pe-operative unaided situation. A scale from 0 to 10 is used, where 0 represents can not hear at all, and 10 hear perfectly. The change from unaided to aided hearing is presented. A positive value indicates improved hearing, a negative value indicates impaired hearing.
Change in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireBaseline before surgery, 3 months and 6 months after surgeryChange of health status and health related quality of life using the generic quality of life scale Health Utilities Index (HUI3) when wearing Osia 2 System compared to the pre-operative unaided situation. A health utility value of 1.00 indicates perfect health while a score of 0.00 indicates death. The change from unaided to aided hearing is presented. A positive value indicates an improved quality of life, a negative value indicates impaired quality of life.
Surgical Information: Soft Tissue ThicknessBaseline before surgery or at surgeryMeasured in mm
Surgical Information: Surgery TimeAt surgeryTime in minutes between first incision to last suture
Surgical Information: Bone Polishing/Removal at the Actuator SiteAt surgeryYes/No
Surgical Information: BI300 Implant LengthAt surgery3 mm/4 mm
Surgical Information: Location of BI300 ImplantAt surgeryMeasured in mm between the ear canal and the center of the actuator
Surgical Information: Type of AnesthesiaAt surgeryGeneral/local
Surgical Information: Soft Tissue ReductionAt surgeryYes/No
Surgical Information: Surgical Incision TypeAt surgeryExamples: C-shaped/S-shaped/straight
Change in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric ThresholdsBaseline before surgery, 4 weeks and 6 months after surgeryFree field (Pure Tone Average 4, mean of 0.5, 1,2 and 4 kHz)
Surgical Information: Estimated Length of the Surgical IncisionAt surgeryMeasured in mm
Surgical Information: Placement of the CoilAt surgeryPeriosteal pocket (under periosteal)/on top of periosteum/on top of muscle)
Usability Information: Magnet ChoiceAt 4 weeks, 6 weeks, 3 months and 6 months after surgeryMagnet strength ranging from 1 to 4 where 1 is the weakest and 4 the strongest. A magnet allows the external sound processor to be placed in the correct position over the implanted system including an internal magnet.
Usability Information: Sound Processor RetentionAt 4 weeks, 6 weeks, 3 months and 6 months after surgeryAssessed via a Visual Analog Scale 100 mm where 0 mm represents insufficient retention and 100 mm excellent retention
Usability Information: Sound Processor Wearing ComfortAt 4 weeks, 6 weeks, 3 months and 6 months after surgeryAssessed via a Visual Analog Scale 100 mm where 0 mm represents no comfort at all and 100 mm excellent comfort
Usability Information: Use of SoftWear PadAt 6 weeks, 3 months and 6 months after surgeryYes/No
Usability Information: Daily Use of Sound ProcessorAt 6 weeks, 3 months and 6 months after surgeryAverage hours of daily use
Usability Information: Daily Streaming Time of Sound ProcessorAt 6 weeks, 3 months and 6 months after surgeryAverage hours of daily streaming
Usability Information: Battery Lifetime of Sound ProcessorAt 6 weeks, 3 months and 6 months after surgeryAverage hours of battery lifetime
Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric ThresholdsBaseline before surgery, 4 weeks, 3 months and 6 months after surgeryFree-field \[Pure Tone Average (PTA) 4, Mean of 0.5, 1, 2 and 4 kHz\].
Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Adaptive Speech Recognition in NoiseBaseline before surgery, 4 weeks, 3 months and 6 months after surgerySignal-to-noise ratio, 50% speech understanding
Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietBaseline before surgery, 4 weeks, 3 months and 6 months after surgery% correctly perceived words at 50dB, 65dB and 80dB SPL
Hearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBaseline before surgery, 4 weeks, 3 months and 6 months after surgeryBC direct (0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0 and 6.0 kHz)
Surgical Information: Location of the Surgical Incision in Relation to the ActuatorAt surgeryAnterior/posterior
Change in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in NoiseBaseline before surgery, 4 weeks and 6 months after surgerySpeech-to-noise ratio, 50% speech understanding

Countries

Australia, Hong Kong

Participant flow

Recruitment details

29 participants were recruited in three centres from 16 August 2019 to 24 September 2020.

Participants by arm

ArmCount
Osia 2 System
Osia 2 system: System includes the OSI200 implant surgically placed under the skin behind the ear, the BI300 implant osseointegrated in the bone and the external Osia 2 sound processor.
29
Total29

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyPregnancy1
Overall StudyUnable to visit the site due to the Covid-19 travel restrictions1

Baseline characteristics

CharacteristicOsia 2 System
Age, Continuous46.7 years
STANDARD_DEVIATION 19.7
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
3 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
3 Participants
Race (NIH/OMB)
White
23 Participants
Region of Enrollment
Australia
26 participants
Region of Enrollment
Hong Kong
3 participants
Sex: Female, Male
Female
16 Participants
Sex: Female, Male
Male
13 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 29
other
Total, other adverse events
21 / 29
serious
Total, serious adverse events
3 / 29

Outcome results

Primary

Change in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Condition Assessed Via Audiometric Thresholds

Free field (Pure Tone Average 4, mean of 0.5, 1,2 and 4 kHz)

Time frame: Baseline before surgery, 3 months after surgery

Population: Data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Condition Assessed Via Audiometric Thresholds-27.3 db HL (decibel Hearing Level)Standard Deviation 8.7
Primary

Change in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in Noise

Speech-to-noise ratio, 50% speech understanding

Time frame: Baseline before surgery, 3 months after surgery

Population: Data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 3 Months Post-surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in Noise-9.10 db SNR (decibel Speech in Noise Ratio)Standard Deviation 7.88
Secondary

Change in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) Questionnaire

Change of health status and health related quality of life using the generic quality of life scale Health Utilities Index (HUI3) when wearing Osia 2 System compared to the pre-operative unaided situation. A health utility value of 1.00 indicates perfect health while a score of 0.00 indicates death. The change from unaided to aided hearing is presented. A positive value indicates an improved quality of life, a negative value indicates impaired quality of life.

Time frame: Baseline before surgery, 3 months and 6 months after surgery

Population: One participant did not receive the sound processor and did not perform this questionnaire at either 3- or 6-months visit.~One participant did not perform this questionnaire at 3-month visit and another participant did not perform this questionnaire at the 6-month visit.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireComprehensive Health State, 3 months0.097 score on a scaleStandard Deviation 0.167
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireVision attribute, 3 months0.002 score on a scaleStandard Deviation 0.017
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireHearing attribute, 3 months0.113 score on a scaleStandard Deviation 0.288
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireSpeech attribute, 3 months0.006 score on a scaleStandard Deviation 0.076
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireAmbulation attribute, 3 months-0.006 score on a scaleStandard Deviation 0.033
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireDexterity attribute, 3 months0.031 score on a scaleStandard Deviation 0.117
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireEmotion attribute, 3 months0.033 score on a scaleStandard Deviation 0.071
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireCognition attribute, 3 months0.011 score on a scaleStandard Deviation 0.04
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnairePain attribute (HUI3), 3 months0.009 score on a scaleStandard Deviation 0.061
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireComprehensive Health State, 6 months0.091 score on a scaleStandard Deviation 0.165
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireVision attribute, 6 months-0.004 score on a scaleStandard Deviation 0.013
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireHearing attribute, 6 months0.129 score on a scaleStandard Deviation 0.318
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireSpeech attribute, 6 months0.000 score on a scaleStandard Deviation 0.106
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireAmbulation attribute, 6 months0.013 score on a scaleStandard Deviation 0.045
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireDexterity attribute, 6 months0.026 score on a scaleStandard Deviation 0.12
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireEmotion attribute, 6 months0.020 score on a scaleStandard Deviation 0.063
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnaireCognition attribute, 6 months0.001 score on a scaleStandard Deviation 0.064
Osia 2 SystemChange in Health-related Quality of Life With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Health Utilities Index Mark III (HUI) QuestionnairePain attribute (HUI3), 6 months0.011 score on a scaleStandard Deviation 0.123
Secondary

Change in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds

Free-field \[0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0, 6.0 and 8.0 kHz\]

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: At the 4 weeks and 3 months visits, data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.~At the 6 months visit, data was received for 28 participants. The participant that did not attend previous visits did visit the site and data was collected. The participant that did not receive the sound processor still could not visit site.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.25 kHz, 4 weeks-13.5 db HL (decibel Hearing Level)Standard Deviation 12
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.5 kHz, 4 weeks-23.1 db HL (decibel Hearing Level)Standard Deviation 12.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.75 kHz, 4 weeks-30.2 db HL (decibel Hearing Level)Standard Deviation 10.6
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.0 kHz, 4 weeks-28.3 db HL (decibel Hearing Level)Standard Deviation 10.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.5 kHz, 4 weeks-30.0 db HL (decibel Hearing Level)Standard Deviation 10.7
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds2.0 kHz, 4 weeks-25.7 db HL (decibel Hearing Level)Standard Deviation 9.7
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds3.0 kHz, 4 weeks-24.8 db HL (decibel Hearing Level)Standard Deviation 11.6
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds4.0 kHz, 4 weeks-25.4 db HL (decibel Hearing Level)Standard Deviation 11.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds6.0 kHz, 4 weeks-35.0 db HL (decibel Hearing Level)Standard Deviation 11.9
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds8.0 kHz, 4 weeks-5.44 db HL (decibel Hearing Level)Standard Deviation 12.9
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.25 kHz, 3 months-14.8 db HL (decibel Hearing Level)Standard Deviation 11.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.5 kHz, 3 months-24.4 db HL (decibel Hearing Level)Standard Deviation 11.2
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.75 kHz, 3 months-32.0 db HL (decibel Hearing Level)Standard Deviation 10.8
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.0 kHz, 3 months-29.1 db HL (decibel Hearing Level)Standard Deviation 10.2
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.5 kHz, 3 months-30.6 db HL (decibel Hearing Level)Standard Deviation 11.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds2.0 kHz, 3 months-27.0 db HL (decibel Hearing Level)Standard Deviation 10.9
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds3.0 kHz, 3 months-25.2 db HL (decibel Hearing Level)Standard Deviation 11.5
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds4.0 kHz, 3 months-28.7 db HL (decibel Hearing Level)Standard Deviation 11.5
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds6.0 kHz, 3 months-36.5 db HL (decibel Hearing Level)Standard Deviation 12.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds8.0 kHz, 3 months-8.59 db HL (decibel Hearing Level)Standard Deviation 13.8
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.25 kHz, 6 months-14.3 db HL (decibel Hearing Level)Standard Deviation 12.8
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.5 kHz, 6 months-24.6 db HL (decibel Hearing Level)Standard Deviation 12.2
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds0.75 kHz, 6 months-32.0 db HL (decibel Hearing Level)Standard Deviation 11.5
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.0 kHz, 6 months-31.3 db HL (decibel Hearing Level)Standard Deviation 11.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds1.5 kHz, 6 months-33.8 db HL (decibel Hearing Level)Standard Deviation 10.9
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds2.0 kHz, 6 months-28.4 db HL (decibel Hearing Level)Standard Deviation 12.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds3.0 kHz, 6 months-26.6 db HL (decibel Hearing Level)Standard Deviation 9.9
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds4.0 kHz, 6 months-29.3 db HL (decibel Hearing Level)Standard Deviation 11.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds6.0 kHz, 6 months-37.3 db HL (decibel Hearing Level)Standard Deviation 12.5
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds8.0 kHz, 6 months-7.71 db HL (decibel Hearing Level)Standard Deviation 15.9
Secondary

Change in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in Quiet

% correctly perceived words at 50dB, 65dB and 80dB SPL

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: At the 4 weeks and 3 months visits, data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.~At the 6 months visit, data was received for 28 participants. The participant that did not attend previous visits did visit the site and data was collected. The participant that did not receive the sound processor still could not visit site.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 4 weeks62.7 Percentage of correct wordsStandard Deviation 20.7
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 4 weeks55.1 Percentage of correct wordsStandard Deviation 29.4
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 4 weeks23.9 Percentage of correct wordsStandard Deviation 27.5
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 3 months63.8 Percentage of correct wordsStandard Deviation 21.6
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 3 months55.5 Percentage of correct wordsStandard Deviation 29.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 3 months23.7 Percentage of correct wordsStandard Deviation 27.7
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 6 months62.3 Percentage of correct wordsStandard Deviation 22.1
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 6 months54.0 Percentage of correct wordsStandard Deviation 29.8
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 6 months24.3 Percentage of correct wordsStandard Deviation 28
Secondary

Change in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in Noise

Speech-to-noise ratio, 50% speech understanding

Time frame: Baseline before surgery, 4 weeks and 6 months after surgery

Population: At 4 weeks, data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.~At 6 months visit, data was received for 28 participants.The participant that did not attend previous visits did visit the site and data was collected. The participant that did not receive the sound processor still could not visit site.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in Noise4 weeks-8.76 db SNR (decibel Speech in Noise Ratio)Standard Deviation 8.06
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Adaptive Speech Recognition in Noise6 months-8.84 db SNR (decibel Speech in Noise Ratio)Standard Deviation 7.88
Secondary

Change in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds

Free field (Pure Tone Average 4, mean of 0.5, 1,2 and 4 kHz)

Time frame: Baseline before surgery, 4 weeks and 6 months after surgery

Population: At 4 weeks, data was only received for 27 participants. One participant did not receive the sound processor due to the Covid-19 pandemic and one participant did not attend neither the 4 weeks visit nor the 3 months visit.~At 6 months visit, data was received for 28 participants.The participant that did not attend previous visits did visit the site and data was collected. The participant that did not receive the sound processor still could not visit site.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds4 weeks-25.6 db HL (decibel Hearing Level)Standard Deviation 8.3
Osia 2 SystemChange in Hearing Performance With the Osia 2 System at 4 Weeks and 6 Months Post Surgery Compared to Preoperative Unaided Situation Assessed Via Audiometric Thresholds6 months-28.4 db HL (decibel Hearing Level)Standard Deviation 9.6
Secondary

Change in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) Questionnaire

Measuring change of Ease of communication, Reverberation, Background noise, Aversiveness and a Global score with the Osia 2 System from the pre-operative unaided situation. The absolute APHAB scale is between 0 and 100%, where 0% indicates no problems and 100% indicates always problem. The change from unaided to aided hearing is presented. A positive value indicates an impairment, a negative value an improvement.

Time frame: Baseline before surgery, 3 months and 6 months after surgery

Population: One participant did not receive the sound processor and did not perform this questionnaire at either 3- or 6-months visit.~One participant did not perform this questionnaire at 3-month visit and another participant did not perform this questionnaire at the 6-month visit.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Ease of communication, 3 months28.1 units on a scaleStandard Deviation 30.7
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Background Noise, 3 months27.6 units on a scaleStandard Deviation 26.9
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Reverberation, 3 months20.3 units on a scaleStandard Deviation 24.3
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Aversiveness, 3 months-5.2 units on a scaleStandard Deviation 34.9
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Global, 3 months25.4 units on a scaleStandard Deviation 25
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Ease of communication, 6 months27.4 units on a scaleStandard Deviation 31.4
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Background Noise, 6 months28.7 units on a scaleStandard Deviation 28.1
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Reverberation, 6 months21.7 units on a scaleStandard Deviation 26.4
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Aversiveness, 6 months-0.212 units on a scaleStandard Deviation 33
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via Abbreviated Profile of Hearing Aid Benefit (APHAB) QuestionnaireAPHAB - Global, 6 months25.9 units on a scaleStandard Deviation 26.2
Secondary

Change in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) Questionnaire

Measuring change of speech, spatial and hearing experiences with the Osia 2 System from the pe-operative unaided situation. A scale from 0 to 10 is used, where 0 represents can not hear at all, and 10 hear perfectly. The change from unaided to aided hearing is presented. A positive value indicates improved hearing, a negative value indicates impaired hearing.

Time frame: Baseline before surgery, 3 months and 6 months after surgery

Population: One participant did not receive the sound processor and did not perform this questionnaire at either 3- or 6-months visit.~One participant did not perform this questionnaire at 3-month visit and another participant did not perform this questionnaire at the 6-month visit.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Total score, 3 months2.88 Score on a scaleStandard Deviation 1.56
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Speech score, 3 months3.12 Score on a scaleStandard Deviation 1.78
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Spatial score, 3 months2.92 Score on a scaleStandard Deviation 2.07
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Quality score, 3 months2.55 Score on a scaleStandard Deviation 1.78
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Total score, 6 months2.50 Score on a scaleStandard Deviation 1.66
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Speech score, 6 months2.68 Score on a scaleStandard Deviation 1.89
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Spatial score, 6 months2.30 Score on a scaleStandard Deviation 2.42
Osia 2 SystemChange in Self-reported Hearing Outcome With the Osia 2 System at 3 Months and 6 Months Post Surgery Compared to the Preoperative Unaided Situation Via the Speech, Spatial and Qualities of Hearing Scale (SSQ) QuestionnaireSSQ12 Quality score, 6 months2.41 Score on a scaleStandard Deviation 1.81
Secondary

Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Adaptive Speech Recognition in Noise

Signal-to-noise ratio, 50% speech understanding

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Adaptive Speech Recognition in Noise4 weeks-0.870 db SNR (decibel Speech in Noise Ratio)Standard Deviation 1.366
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Adaptive Speech Recognition in Noise3 months-1.21 db SNR (decibel Speech in Noise Ratio)Standard Deviation 1.42
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Adaptive Speech Recognition in Noise6 months-0.846 db SNR (decibel Speech in Noise Ratio)Standard Deviation 1.587
Secondary

Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds

Free-field \[Pure Tone Average (PTA) 4, Mean of 0.5, 1, 2 and 4 kHz\].

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric ThresholdsPTA4, 4 weeks0.046 db HL (decibel Hearing Level)Standard Deviation 7.134
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric ThresholdsPTA4, 3 months-1.62 db HL (decibel Hearing Level)Standard Deviation 6.41
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric ThresholdsPTA4, 6 months-2.54 db HL (decibel Hearing Level)Standard Deviation 8.32
Secondary

Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds

Free-field \[0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0, 6.0 and 8.0 kHz\].

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.25 kHz, 4 weeks4.44 db HL (decibel Hearing Level)Standard Deviation 13.18
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.5 kHz, 4 weeks4.44 db HL (decibel Hearing Level)Standard Deviation 10.13
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.75 kHz, 4 weeks-0.741 db HL (decibel Hearing Level)Standard Deviation 6.893
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.0 kHz, 4 weeks1.85 db HL (decibel Hearing Level)Standard Deviation 7.61
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.5 kHz, 4 weeks0.185 db HL (decibel Hearing Level)Standard Deviation 8.376
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds2.0 kHz, 4 weeks-2.22 db HL (decibel Hearing Level)Standard Deviation 8.7
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds3.0 kHz, 4 weeks-1.48 db HL (decibel Hearing Level)Standard Deviation 10.27
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds4.0 kHz, 4 weeks-3.89 db HL (decibel Hearing Level)Standard Deviation 11.21
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds6.0 kHz, 4 weeks-11.9 db HL (decibel Hearing Level)Standard Deviation 10.9
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds8.0 kHz, 4 weeks4.78 db HL (decibel Hearing Level)Standard Deviation 16.49
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.25 kHz, 3 months3.15 db HL (decibel Hearing Level)Standard Deviation 10.57
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.5 kHz, 3 months3.15 db HL (decibel Hearing Level)Standard Deviation 9.11
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.75 kHz, 3 months-2.59 db HL (decibel Hearing Level)Standard Deviation 6.7
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.0 kHz, 3 months1.11 db HL (decibel Hearing Level)Standard Deviation 6.55
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.5 kHz, 3 months-0,370 db HL (decibel Hearing Level)
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds2.0 kHz, 3 months-3.52 db HL (decibel Hearing Level)Standard Deviation 8.64
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds3.0 kHz, 3 months-1.85 db HL (decibel Hearing Level)Standard Deviation 10.48
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds4.0 kHz, 3 months-7.22 db HL (decibel Hearing Level)Standard Deviation 10.41
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds6.0 kHz, 3 months-13.3 db HL (decibel Hearing Level)Standard Deviation 10.3
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds8.0 kHz, 3 months1.63 db HL (decibel Hearing Level)Standard Deviation 15.2
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.25 kHz, 6 months3.93 db HL (decibel Hearing Level)Standard Deviation 13.77
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.5 kHz, 6 months2.86 db HL (decibel Hearing Level)Standard Deviation 9.95
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds0.75 kHz, 6 months-2.68 db HL (decibel Hearing Level)Standard Deviation 8.76
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.0 kHz, 6 months-1.07 db HL (decibel Hearing Level)Standard Deviation 7.98
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds1.5 kHz, 6 months-3.39 db HL (decibel Hearing Level)Standard Deviation 7.34
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds2.0 kHz, 6 months-4.64 db HL (decibel Hearing Level)Standard Deviation 10.97
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds3.0 kHz, 6 months-3.04 db HL (decibel Hearing Level)Standard Deviation 12.35
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds4.0 kHz, 6 months-7.32 db HL (decibel Hearing Level)Standard Deviation 11.26
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds6.0 kHz, 6 months-13.9 db HL (decibel Hearing Level)Standard Deviation 13.6
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Audiometric Thresholds8.0 kHz, 6 months2.86 db HL (decibel Hearing Level)Standard Deviation 17.87
Secondary

Difference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in Quiet

% correctly perceived words at 50dB, 65dB and 80dB SPL

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform all tests at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 4 weeks12.2 Percentage of correct wordsStandard Deviation 18.3
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 4 weeks9.77 Percentage of correct wordsStandard Deviation 14.76
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 4 weeks2.88 Percentage of correct wordsStandard Deviation 10.21
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 3 months13.2 Percentage of correct wordsStandard Deviation 18.8
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 3 months10.1 Percentage of correct wordsStandard Deviation 16
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 3 months2.66 Percentage of correct wordsStandard Deviation 10.13
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 50 dB, 6 months10.7 Percentage of correct wordsStandard Deviation 18.3
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 65 dB, 6 months8.84 Percentage of correct wordsStandard Deviation 15.22
Osia 2 SystemDifference in Hearing Performance Between the Osia 2 System and a Baha 5 Power Sound Processor on a Baha Softband (Preoperative) at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Speech Recognition in QuietSpeech in quiet at 80 dB, 6 months4.00 Percentage of correct wordsStandard Deviation 8.26
Secondary

Hearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) Direct

BC direct (0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0 and 6.0 kHz)

Time frame: Baseline before surgery, 4 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 250 Hz, baseline13.2 db HL (decibel Hearing Level)Standard Deviation 10.2
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 500 Hz, baseline24.7 db HL (decibel Hearing Level)Standard Deviation 11.3
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 750 Hz, baseline20.7 db HL (decibel Hearing Level)Standard Deviation 12.4
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1000 Hz, baseline20.0 db HL (decibel Hearing Level)Standard Deviation 13.5
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1500 Hz, baseline19.1 db HL (decibel Hearing Level)Standard Deviation 14.6
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 2000 Hz, baseline31.2 db HL (decibel Hearing Level)Standard Deviation 15.3
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 3000 Hz, baseline36.8 db HL (decibel Hearing Level)Standard Deviation 18.7
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 4000 Hz, baseline43.5 db HL (decibel Hearing Level)Standard Deviation 17.6
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 6000 Hz, baseline46.1 db HL (decibel Hearing Level)Standard Deviation 17.6
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 250 Hz, 4 weeks5.18 db HL (decibel Hearing Level)Standard Deviation 12.87
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 500 Hz, 4 weeks14.5 db HL (decibel Hearing Level)Standard Deviation 8.7
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 750 Hz, 4 weeks5.71 db HL (decibel Hearing Level)Standard Deviation 11.2
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1000 Hz, 4 weeks9.46 db HL (decibel Hearing Level)Standard Deviation 11.33
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1500 Hz, 4 weeks7.50 db HL (decibel Hearing Level)Standard Deviation 13.23
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 2000 Hz, 4 weeks12.0 db HL (decibel Hearing Level)Standard Deviation 14.2
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 3000 Hz, 4 weeks13.9 db HL (decibel Hearing Level)Standard Deviation 15.4
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 4000 Hz, 4 weeks23.8 db HL (decibel Hearing Level)Standard Deviation 17.1
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 6000 Hz, 4 weeks22.0 db HL (decibel Hearing Level)Standard Deviation 18.7
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 250 Hz, 3 months4.00 db HL (decibel Hearing Level)Standard Deviation 11.21
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 500 Hz, 3 months13.0 db HL (decibel Hearing Level)Standard Deviation 9.8
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 750 Hz, 3 months4.33 db HL (decibel Hearing Level)Standard Deviation 12.08
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1000 Hz, 3 months9.67 db HL (decibel Hearing Level)Standard Deviation 13.29
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1500 Hz, 3 months6.67 db HL (decibel Hearing Level)Standard Deviation 15.43
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 2000 Hz, 3 months14.0 db HL (decibel Hearing Level)Standard Deviation 15.9
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 3000 Hz, 3 months13.3 db HL (decibel Hearing Level)Standard Deviation 18.5
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 4000 Hz, 3 months24.3 db HL (decibel Hearing Level)Standard Deviation 17.4
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 6000 Hz, 3 months27.0 db HL (decibel Hearing Level)Standard Deviation 18.5
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 250 Hz, 6 months8.10 db HL (decibel Hearing Level)Standard Deviation 13.83
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 500 Hz, 6 months15.0 db HL (decibel Hearing Level)Standard Deviation 8.5
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 750 Hz, 6 months6.90 db HL (decibel Hearing Level)Standard Deviation 12.6
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1000 Hz, 6 months10.7 db HL (decibel Hearing Level)Standard Deviation 11.3
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 1500 Hz, 6 months5.95 db HL (decibel Hearing Level)Standard Deviation 13.84
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 2000 Hz, 6 months14.3 db HL (decibel Hearing Level)Standard Deviation 13.7
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 3000 Hz, 6 months13.6 db HL (decibel Hearing Level)Standard Deviation 17
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 4000 Hz, 6 months25.7 db HL (decibel Hearing Level)Standard Deviation 16.9
Osia 2 SystemHearing Performance Using a Baha Softband (Preoperative) at Baseline and the Osia 2 System at 4 Weeks, 3 Months and 6 Months Post Surgery Assessed Via Bone Conduction (BC) DirectBC Direct 6000 Hz, 6 months25.0 db HL (decibel Hearing Level)Standard Deviation 18.8
Secondary

Surgical Information: BI300 Implant Length

3 mm/4 mm

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: BI300 Implant Length4 mm29 Participants
Osia 2 SystemSurgical Information: BI300 Implant Length3 mm0 Participants
Secondary

Surgical Information: Bone Polishing/Removal at the Actuator Site

Yes/No

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Bone Polishing/Removal at the Actuator SiteYes12 Participants
Osia 2 SystemSurgical Information: Bone Polishing/Removal at the Actuator SiteNo17 Participants
Secondary

Surgical Information: Estimated Length of the Surgical Incision

Measured in mm

Time frame: At surgery

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemSurgical Information: Estimated Length of the Surgical Incision71.4 mmStandard Deviation 23.1
Secondary

Surgical Information: Location of BI300 Implant

Measured in mm between the ear canal and the center of the actuator

Time frame: At surgery

Population: Data only gathered for 26 participants.

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemSurgical Information: Location of BI300 Implant52.9 mmStandard Deviation 7.3
Secondary

Surgical Information: Location of the Surgical Incision in Relation to the Actuator

Anterior/posterior

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Location of the Surgical Incision in Relation to the ActuatorAnterior26 Participants
Osia 2 SystemSurgical Information: Location of the Surgical Incision in Relation to the ActuatorPosterior3 Participants
Secondary

Surgical Information: Placement of the Coil

Periosteal pocket (under periosteal)/on top of periosteum/on top of muscle)

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Placement of the CoilPeriosteal pocket (under periosteal)24 Participants
Osia 2 SystemSurgical Information: Placement of the Coilon top of periosteum3 Participants
Osia 2 SystemSurgical Information: Placement of the Coilon top of muscle2 Participants
Secondary

Surgical Information: Soft Tissue Reduction

Yes/No

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Soft Tissue ReductionYes0 Participants
Osia 2 SystemSurgical Information: Soft Tissue ReductionNo29 Participants
Secondary

Surgical Information: Soft Tissue Thickness

Measured in mm

Time frame: Baseline before surgery or at surgery

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemSurgical Information: Soft Tissue Thickness6.62 mmStandard Deviation 1.29
Secondary

Surgical Information: Surgery Time

Time in minutes between first incision to last suture

Time frame: At surgery

Population: Surgery time was not measured for one of the participants.

ArmMeasureValue (MEAN)Dispersion
Osia 2 SystemSurgical Information: Surgery Time52.8 minStandard Deviation 13.3
Secondary

Surgical Information: Surgical Incision Type

Examples: C-shaped/S-shaped/straight

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Surgical Incision TypeC-shaped12 Participants
Osia 2 SystemSurgical Information: Surgical Incision TypeS-shaped12 Participants
Osia 2 SystemSurgical Information: Surgical Incision TypeOther5 Participants
Osia 2 SystemSurgical Information: Surgical Incision TypeStraight0 Participants
Secondary

Surgical Information: Type of Anesthesia

General/local

Time frame: At surgery

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemSurgical Information: Type of AnesthesiaGeneral29 Participants
Osia 2 SystemSurgical Information: Type of AnesthesiaLocal0 Participants
Secondary

Usability Information: Battery Lifetime of Sound Processor

Average hours of battery lifetime

Time frame: At 6 weeks, 3 months and 6 months after surgery

Population: For some participants the data are not available at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemUsability Information: Battery Lifetime of Sound Processor6 weeks27.3 hoursStandard Deviation 15
Osia 2 SystemUsability Information: Battery Lifetime of Sound Processor3 months27.4 hoursStandard Deviation 11.2
Osia 2 SystemUsability Information: Battery Lifetime of Sound Processor6 months24.3 hoursStandard Deviation 12.4
Secondary

Usability Information: Daily Streaming Time of Sound Processor

Average hours of daily streaming

Time frame: At 6 weeks, 3 months and 6 months after surgery

Population: For some participants the data are not available at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemUsability Information: Daily Streaming Time of Sound ProcessorStreaming, 6 weeks0.407 hours/dayStandard Deviation 0.931
Osia 2 SystemUsability Information: Daily Streaming Time of Sound ProcessorStreaming, 3 months0.536 hours/dayStandard Deviation 0.962
Osia 2 SystemUsability Information: Daily Streaming Time of Sound ProcessorStreaming, 6 months0.444 hours/dayStandard Deviation 0.698
Secondary

Usability Information: Daily Use of Sound Processor

Average hours of daily use

Time frame: At 6 weeks, 3 months and 6 months after surgery

Population: For some participants the data are not available at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemUsability Information: Daily Use of Sound ProcessorDaily use, 6 weeks10.3 hours/dayStandard Deviation 4.4
Osia 2 SystemUsability Information: Daily Use of Sound ProcessorDaily use, 3 months9.57 hours/dayStandard Deviation 4.19
Osia 2 SystemUsability Information: Daily Use of Sound ProcessorDaily use, 6 months8.63 hours/dayStandard Deviation 4.67
Secondary

Usability Information: Magnet Choice

Magnet strength ranging from 1 to 4 where 1 is the weakest and 4 the strongest. A magnet allows the external sound processor to be placed in the correct position over the implanted system including an internal magnet.

Time frame: At 4 weeks, 6 weeks, 3 months and 6 months after surgery

Population: For some participants the data are not available at all visits.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 2, 4 weeks1 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 3, 4 weeks11 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 4, 4 weeks16 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 2, 6 weeks1 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 3, 6 weeks13 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 4, 6 weeks13 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 2, 3 months4 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 3, 3 months10 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 4, 3 months14 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 2, 6 months4 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 3, 6 months12 Participants
Osia 2 SystemUsability Information: Magnet ChoiceMagnet strength 4, 6 months11 Participants
Secondary

Usability Information: Sound Processor Retention

Assessed via a Visual Analog Scale 100 mm where 0 mm represents insufficient retention and 100 mm excellent retention

Time frame: At 4 weeks, 6 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemUsability Information: Sound Processor RetentionOverall Retention, 4 weeks72.1 units on a scaleStandard Deviation 22.8
Osia 2 SystemUsability Information: Sound Processor RetentionOverall Retention, 6 weeks86.9 units on a scaleStandard Deviation 13.9
Osia 2 SystemUsability Information: Sound Processor RetentionOverall Retention, 3 months80.4 units on a scaleStandard Deviation 17.1
Osia 2 SystemUsability Information: Sound Processor RetentionOverall Retention, 6 months71.4 units on a scaleStandard Deviation 26.7
Secondary

Usability Information: Sound Processor Wearing Comfort

Assessed via a Visual Analog Scale 100 mm where 0 mm represents no comfort at all and 100 mm excellent comfort

Time frame: At 4 weeks, 6 weeks, 3 months and 6 months after surgery

Population: Some participants did not perform the test at all visits.

ArmMeasureGroupValue (MEAN)Dispersion
Osia 2 SystemUsability Information: Sound Processor Wearing ComfortOverall Comfort, 4 weeks81.7 units on a scaleStandard Deviation 14.1
Osia 2 SystemUsability Information: Sound Processor Wearing ComfortOverall Comfort, 6 weeks87.1 units on a scaleStandard Deviation 16.8
Osia 2 SystemUsability Information: Sound Processor Wearing ComfortOverall Comfort, 3 months83.5 units on a scaleStandard Deviation 16.4
Osia 2 SystemUsability Information: Sound Processor Wearing ComfortOverall Comfort, 6 months81.4 units on a scaleStandard Deviation 20
Secondary

Usability Information: Use of SoftWear Pad

Yes/No

Time frame: At 6 weeks, 3 months and 6 months after surgery

Population: For some participants the data are not available at all visits.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Osia 2 SystemUsability Information: Use of SoftWear PadYes, 6 weeks3 Participants
Osia 2 SystemUsability Information: Use of SoftWear PadNo, 6 weeks24 Participants
Osia 2 SystemUsability Information: Use of SoftWear PadYes, 3 months4 Participants
Osia 2 SystemUsability Information: Use of SoftWear PadNo, 3 months24 Participants
Osia 2 SystemUsability Information: Use of SoftWear PadYes, 6 months2 Participants
Osia 2 SystemUsability Information: Use of SoftWear PadNo, 6 months25 Participants

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026