| Enrolling By Invitation | Comparison of Performance Using MED-EL Automatic Sound Management NCT07500311 | Med-El Corporation | N/A |
| Enrolling By Invitation | Impact of Anatomy-Based Cochlear Implant Programming on Early Performance NCT06734039 | Med-El Corporation | N/A |
| Completed | Evaluation of the CochSyn Device in Clinical Practice NCT07091071 | University Ghent | N/A |
| Completed | Investigating Electrical Categorical Loudness Scaling Using a Mobile Research App in Experienced Adult Cochlea NCT07077070 | Cochlear | N/A |
| Not Yet Recruiting | Verification of the Efficacy/Safety of the Mixed Drug Injectable Delivery Vehicle for Treating Intractable Hea NCT06437054 | Seoul National University Hospital | Phase 1 / Phase 2 |
| Recruiting | Cochlear Implant Recipients: Comprehensive Longitudinal Evaluation NCT07380269 | Eye & ENT Hospital of Fudan University | — |
| Completed | Benefits of Bimodal Streaming With MED-EL Cochlear Implants and Starkey Hearing Aids NCT07028619 | Med-El Corporation | N/A |
| Not Yet Recruiting | Evaluation of the Efficacy and Safety of the Sullivan Cochlear Implant. NCT07018882 | Todoc | N/A |
| Enrolling By Invitation | Understanding Individual Listening Strategies NCT06962540 | Northwestern University | N/A |
| Recruiting | Barriers and Facilitators to OTC Hearing Aids Success NCT06499805 | Yu-Hsiang Wu | N/A |
| Completed | Standard Post Market Clinical Follow-up (PMCF) Study WSA 2025 NCT06986499 | WSAUD A/S | N/A |
| Not Yet Recruiting | Evaluation of Artificial Intelligence-Integrated Hearing Aids for Individuals with Hearing Loss NCT06792110 | University of Washington | N/A |
| Recruiting | Clinical Trial to Compare Two Surgical Approaches to the Cochlea NCT06453343 | Radboud University Medical Center | N/A |
| Completed | Design Improvements With SONNET 3 NCT06597747 | Med-El Corporation | N/A |
| Recruiting | A Study of EH002 Gene Therapy for Otoferlin Gene Mutation-mediated Hearing Loss NCT06722170 | Yilai Shu | N/A |
| Recruiting | A Study to Explore Improved Features and a Simplified Treatment Approach for a Totally Implantable Cochlear Im NCT06642935 | Cochlear | N/A |
| Enrolling By Invitation | MED-EL Remote Care Multi-Center Feasibility Study NCT05973669 | Med-El Corporation | N/A |
| Recruiting | Self-efficacy-based Auditory Rehabilitation With Over-the-Counter Hearing Aids NCT06560918 | University of Arkansas | N/A |
| Recruiting | Comparing the Efficacy of Domestic Versus Imported Hearing Aids in ARHL NCT06882889 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | N/A |
| Recruiting | Post-Market Clinical Investigation of the IotaSOFT Insertion System NCT06664697 | iotaMotion, Inc. | — |
| Active Not Recruiting | Safety and Effectiveness of Cochlear Implantation in an Expanded Adult Population NCT06293482 | Cochlear | N/A |
| Completed | Remote Support for Cochlear Implant Recipients: Evaluation of the HearCare MED-EL App NCT06543953 | MED-EL Elektromedizinische Geräte GesmbH | N/A |
| Recruiting | A Phase I/II Clinical Trial with SENS-501 in Children Suffering from Severe to Profound Hearing Loss Due to Ot NCT06370351 | Sensorion | Phase 1 / Phase 2 |
| Active Not Recruiting | Performance and Hearing-related Outcomes in Adults Implanted With the CI622D Dexamethasone-eluting Cochlear Im NCT06424262 | Cochlear | N/A |
| Completed | Standard Post Market Clinical Follow-up (PMCF) Study WSA @ HZO NCT06700512 | WSAUD A/S | N/A |
| Completed | Mi2000 Totally Implantable Cochlear Implant (Mi2000 TICI) NCT06459765 | MED-EL Elektromedizinische Geräte GesmbH | N/A |
| Completed | Investigating Stimulation Parameter and Electrode Mode Changes on Speech Perception in Experienced Adult Cochl NCT06298396 | Cochlear | N/A |
| Recruiting | Hearing and Structure Preservation Via ECochG NCT06268340 | Advanced Bionics AG | N/A |
| Not Yet Recruiting | Multi-omics Characteristics and Prognosis of Idiopathic Sudden Sensorineural Hearing Loss NCT06365775 | Dan Bing | — |
| Recruiting | Evaluation of the Automated Integration of a Robotics and ECochG System for Use With Cochlear Implant Surgery NCT06664710 | iotaMotion, Inc. | N/A |
| Unknown | Usability of the Intracochlear Catheter INCAT - a Feasibility Study NCT06218966 | Sunnybrook Health Sciences Centre | N/A |
| Enrolling By Invitation | Optimizing Bilateral and Single-sided-deafness Cochlear Implants for Functioning in Complex Auditory Environme NCT06305039 | University of Maryland, College Park | N/A |
| Terminated | Evaluation of the CochSyn Test Prototype to Measure Cochlear Synaptopathy NCT06114680 | University Ghent | N/A |
| Completed | The Influence of the Individual Auditory-cognitive Need on the Aided Benefit Using Different Feature Settings NCT06420037 | University Ghent | N/A |
| Recruiting | Preschool Hearing Screening NCT06058767 | University of California, San Francisco | N/A |
| Recruiting | Listening Effort in Cochlear Implant Users NCT06516575 | University of Minnesota | N/A |
| Withdrawn | Effects of Nonlinear Signal Processing Algorithms on Speech Perception NCT05954520 | Indiana University | N/A |
| Recruiting | BEARS Training Package to Maximise Hearing Abilities in Older Children and Teenagers With Bilateral Cochlear I NCT05808543 | Guy's and St Thomas' NHS Foundation Trust | N/A |
| Completed | Phonak Behind-The-Ear Quality Evaluation NCT05956808 | Sonova AG | N/A |
| Recruiting | Place-based Cochlear Implant Mapping NCT05558514 | Western University, Canada | N/A |
| Unknown | Assessment of The Efficacy of Intratympanic Platelet Rich Plasma for Treatment of Sensorineural Hearing Loss. NCT05786378 | Assiut University | Phase 2 / Phase 3 |
| Unknown | Paraverbal Components of Language and Cochlear Implant NCT05950412 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Terminated | A Monocentric Study Evaluating Pupillometry as an Objective Measurement for CI Fittings NCT05586555 | Oticon Medical | N/A |
| Completed | Investigating Hearing Aid Frequency Response Curves 2 NCT05828017 | Sonova AG | N/A |
| Completed | Sight and Hearing Investigation Into Effects on Delirium NCT06176625 | Johns Hopkins University | — |
| Terminated | Open-source Hearing Aid Platform Comparisons NCT05693610 | Northwestern University | N/A |
| Terminated | First in Human Safety Study of FX-345 in Adults With Sensorineural Hearing Loss NCT05664100 | Frequency Therapeutics | Phase 1 |
| Unknown | Meniere Disease and Hearing Aids NCT05582148 | University Hospital, Grenoble | N/A |
| Completed | Direct-to-Consumer Hearing Aids and Listening Effort NCT05855005 | Northwestern University | N/A |
| Completed | Investigating Hearing Aid Frequency Response Curves NCT05521308 | Sonova AG | N/A |
| Active Not Recruiting | Efficacy and Safety of AC102 Compared to Steroids in Adults With Idiopathic Sudden Sensorineural Hearing Loss NCT05776459 | AudioCure Pharma GmbH | Phase 2 |
| Unknown | A Study Protocol for the Validation of UAud in a Clinical Setting. NCT05043207 | University of Southern Denmark | N/A |
| Completed | Self Fitting Hearing Aid Clinical Investigation NCT05612763 | Starkey Laboratories, Inc | N/A |
| Enrolling By Invitation | Peripheral and Central Influences on Auditory Temporal Processing & Speech Perception in Older Cochlear Implan NCT05554692 | University of Maryland, College Park | N/A |
| Recruiting | Reading Outcomes in Children With Vestibular Loss NCT05414903 | Father Flanagan's Boys' Home | N/A |
| Completed | Evaluation of the Clinical Benefit of the Hearing Aids Tinnitus Feature. NCT05292534 | Sonova AG | N/A |
| Completed | iotaSOFT Pediatric Study NCT06106373 | iotaMotion, Inc. | N/A |
| Active Not Recruiting | Characterisation of Low Frequency Hearing and Vestibular Function in Patients Undergoing Cochlear Implantation NCT06021132 | Aalborg University Hospital | — |
| Completed | Optimizing Soft Speech Recognition in Children With Hearing Loss NCT05299892 | Sonova AG | N/A |
| Recruiting | A Prospective Cohort Study On Change of Cognitive Function In Aged-related Hearing Loss With Hearing Aids NCT05694039 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | N/A |
| Recruiting | Intracochlear Platelet-rich Fibrin Application in Cochlear Implantation NCT05215197 | Pamukkale University | N/A |
| Completed | Evaluation of Hearing Aid Benefit NCT05198713 | Sonova AG | N/A |
| Completed | Application of Ideal Binary Masking to Disordered Speech NCT05244603 | Utah State University | N/A |
| Recruiting | Clinical Utility of Residual Hearing in the Cochlear Implant Ear NCT04707885 | Ohio State University | N/A |
| Completed | Speech Intelligibility in Quiet and Noise for New vs. Legacy Hearing Aids NCT05101083 | Starkey Laboratories, Inc | N/A |
| Completed | Speech Perception in Bimodal Hearing NCT05599165 | Baylor University | N/A |
| Completed | Benefit of Assistive Listening Device for Lateralization NCT05072457 | Sonova AG | N/A |
| Completed | FX-322 in Adults With Acquired Sensorineural Hearing Loss NCT05086276 | Frequency Therapeutics | Phase 2 |
| Completed | Sound Quality Comparisons With Different Hearing Aid Couplings and Venting Systems NCT05180630 | Sonova AG | N/A |
| Completed | Sensory Integration of Auditory and Visual Cues in Diverse Contexts NCT04479761 | New York University | N/A |
| Completed | An Actual Use, Open-label Study Assessing Usability of Remote Assist to Program Cochlear Implant Recipients NCT04987021 | Cochlear | N/A |
| Completed | Fitting Strategy Study NCT04972162 | WSAUD A/S | N/A |
| Recruiting | Characterizing Variability in Hearing Aid Outcomes in Among Older Adults With Alzheimer's Dementia NCT04240561 | Northwestern University | N/A |
| Completed | Hearing Aid Signal Processing Comparative Study NCT04839289 | Sonova AG | N/A |
| Completed | Wear-Time Trial for Self-Fitting Hearing Aid NCT04823494 | GN Hearing A/S | N/A |
| Completed | Hearing Aid Processing and Working Memory in Realistic Spatial Conditions NCT04521166 | Northwestern University | N/A |
| Recruiting | Single-Sided Deafness and Asymmetric Hearing Loss NCT04506853 | Med-El Corporation | N/A |
| Completed | Single-sided Deafness and Cochlear Implantation NCT05052944 | Johns Hopkins University | — |
| Completed | FX-322 in Adults With Severe Sensorineural Hearing Loss NCT04629664 | Frequency Therapeutics | Phase 1 |
| Completed | FX-322 in Adults With Age-Related Sensorineural Hearing Loss NCT04601909 | Frequency Therapeutics | Phase 1 |
| Completed | Does Wearing Hearing Aids Impact the Affective State of Older Adults With Hearing Loss in Their Daily Lives? NCT06249685 | University of Memphis | N/A |
| Completed | Dexamethasone-Eluting Cochlear Implant Electrode NCT04450290 | MED-EL Elektromedizinische Geräte GesmbH | N/A |
| Unknown | Societal Merit of Intervention on Hearing Loss Evaluation NCT05525221 | Radboud University Medical Center | — |
| Unknown | Hydrogen-oxygen Gas Mixture Inhalation in Patients With Sudden Sensorineural Hearing Loss NCT04881435 | Chang Gung Memorial Hospital | N/A |
| Completed | Hearing Study: Sensitivity to Features of Speech Sounds NCT03666676 | University of Rochester | N/A |
| Completed | Intracochlear Dexamethasone Application During Cochlear Implantation for Preserving Cochlear Cells NCT04397354 | Pamukkale University | N/A |
| Suspended | Prevalence and Impact on QoL From Ototoxicity in Cancer Survivors NCT04270916 | University of Nottingham | — |
| Unknown | Effect of Hearing Loss and Vestibular Decline on Cognitive Function in Older Subjects NCT04385225 | University Hospital, Antwerp | N/A |
| Unknown | Minimizing Facial Nerve Stimulation in Cochlear Implants NCT04161261 | Cambridge University Hospitals NHS Foundation Trust | N/A |
| Completed | The BCI 602 BONEBRIDGE Post-Market Clinical Follow-up Study NCT04427033 | MED-EL Elektromedizinische Geräte GesmbH | — |
| Unknown | CT and MRI for Pre-Operative Cochlear Imaging NCT04131439 | Assiut University | — |
| Completed | Neuro 1 vs. Neuro 2 Sound Processors NCT03756337 | Oticon Medical | N/A |
| Enrolling By Invitation | Cognitive Screening of Patients with Hearing Loss NCT04672174 | University of Zurich | N/A |
| Completed | Impact on Quality of Life of Long-term Ototoxicity in Cancer Survivors NCT04281953 | University of Nottingham | — |
| Recruiting | Correlation of Radiological Lesions With Vestibular Function in Patients With Bilateral Vestibulopathy NCT04070937 | Jessa Hospital | — |
| Unknown | Inventory of Radiological and Vestibular Function in Cochlear Implant Candidates NCT04066270 | Jessa Hospital | — |
| Completed | Remote Microphone Candidacy Study NCT03897634 | Northwestern University | N/A |
| Completed | Expanded Indications in the MED-EL Pediatric Cochlear Implant Population NCT03900897 | Med-El Corporation | N/A |
| Unknown | Evaluation of an Open-source Speech-processing Platform NCT03686046 | San Diego State University | — |
| Completed | Front-End Processing 3.0 NCT03861442 | MED-EL Elektromedizinische Geräte GesmbH | — |
| Terminated | Hearing Loss in Older Adults Study NCT03382769 | Cochlear | N/A |
| Recruiting | Study of Viral Transduction of Human Auditory Sensory Cells for the Development of Gene Therapy NCT03996824 | Institut Pasteur | — |
| Completed | Evaluation of Speech-in-noise Performance in Cochlear Implant Recipients With a CROS Device on the Contralater NCT03867396 | University of Colorado, Denver | N/A |
| Completed | Hearing Aid Noise Reduction in Pediatric Users (Oticon Study) NCT03771287 | Children's Hospital Medical Center, Cincinnati | N/A |
| Completed | Subjective Evaluation of a Sound Processing Method for Hearing Aids on Auditory Distance Perception NCT03512951 | Sonova AG | N/A |
| Completed | Evaluation of the eAdjust Application NCT03674086 | Nottingham University Hospitals NHS Trust | — |
| Completed | Reverberation Effects on MED-EL Recipients NCT03143296 | University of Miami | N/A |
| Completed | Quality Control of CE-Certified Phonak Hearing Aids - 2018_07 NCT03555084 | Sonova AG | N/A |
| Completed | Expanded Indications in the Adult Cochlear Implant Population NCT03236909 | Med-El Corporation | N/A |
| Completed | Administration Method of Cognitive Screening in Older Individuals With Hearing Loss NCT03402932 | Northwestern University | N/A |
| Completed | Quality Control of CE-Certified Phonak Hearing Aids - Sonova2018_05 NCT03751891 | Sonova AG | N/A |
| Completed | A Study of Web and Tablet-based Interactive Audiometry in Adults With CF NCT04400955 | Royal Brompton & Harefield NHS Foundation Trust | — |
| Completed | Quality Control of CE-Certified Phonak Hearing Aids - 2017_37 NCT03379766 | Sonova AG | N/A |
| Unknown | CNS Infections Effect on the Inner Ear NCT03715569 | Nordsjaellands Hospital | — |
| Unknown | Designing a Trial of Bilateral Cochlear Implantation in Adults NCT03287700 | Nottingham University Hospitals NHS Trust | — |
| Completed | Clinical Evaluation of the Cochlear Nucleus CI532 Cochlear Implant in Adults NCT03007472 | Cochlear | N/A |
| Completed | The Neuro Zti Cochlear Implant System Efficacy and Safety in Adults NCT02941627 | Oticon Medical | N/A |
| Completed | Cognition Effects of Hearing Aids and Auditory Training in Older Age NCT03112850 | Swinburne University of Technology | N/A |
| Completed | Electric-Acoustic Stimulation Extended Follow-up Post Approval Study NCT03031678 | Med-El Corporation | N/A |
| Unknown | Long Latency Auditory Evoked Potentials (P300) Outcomes in Patients With Unilateral Cochlear Implants NCT03352154 | University of Sao Paulo | N/A |
| Completed | Training Language and Literacy for Children Who Use CIs NCT03582566 | Florida State University | N/A |
| Completed | Acceptance of the CP950 Sound Processor NCT03613909 | Cochlear | N/A |
| Completed | The EarLens Contact Hearing Device (CHD) Spectrum Study NCT02470494 | EarLens Corporation | N/A |
| Completed | Wide Frequency Band Test of Hearing in Veterans NCT02019888 | VA Office of Research and Development | — |
| Completed | Spectral Dynamics and Speech Understanding by Hearing Impaired People NCT01867515 | VA Office of Research and Development | N/A |
| Completed | Efficacy, Safety, and Tolerability of Ancrod in Patients With Sudden Hearing Loss NCT01621256 | Nordmark Arzneimittel GmbH & Co. KG | Phase 1 / Phase 2 |
| Terminated | Fludrocortisone for Sudden Hearing Loss NCT01186185 | Oregon Health and Science University | EARLY_Phase 1 |
| Completed | A Study Of The Effects Of PF-04958242 In Subjects With Age-Related Hearing Loss NCT01518920 | Biogen | Phase 1 |
| Withdrawn | Early Detection of Noise-Induced Hearing Loss NCT01022710 | VA Office of Research and Development | — |
| Completed | PC-Based Rehabilitation of Auditory Function NCT00724347 | US Department of Veterans Affairs | N/A |
| Completed | Iowa/Nucleus 10/10 mm and Nucleus Freedom Feasibility Study NCT00594061 | Bruce J Gantz | N/A |
| Terminated | Autoimmunity in Inner Ear Disease NCT00000361 | National Institute on Deafness and Other Communication Disorders (NIDCD) | Phase 3 |