NCT05985473
Real-time Artificial Intelligence-based Speech Enhancement Methods for Hearing Aid Improvement No drug interventions basic_science Not Available recruiting NCT05942261
Rehabilitation Methods of Children With Cochlear Implant No drug interventions Not Available Not Available recruiting NCT05307952
Auditory Diagnostics and Error-based Treatment No drug interventions treatment Not Available recruiting NCT05107466
Quantification of Visually Evoked Cortical Potentials in Individuals With Hearing Loss No drug interventions Not Available Not Available recruiting NCT06124703
Different Dosing Regimens of STOP-AST treatment Not Available not_yet_recruiting NCT02698787
Fundamental Asynchronous Stimulus Timing Sound Coding Study No drug interventions treatment Not Available completed NCT03288753
Comparison Between Neuro 1 and Neuro 2 Cochlear Implant Speech Processors No drug interventions treatment Not Available completed NCT02882477
Treatment of Wolfram Syndrome Type 2 With the Chelator Deferiprone and Incretin Based Therapy treatment 2 / 3 unknown_status NCT06025097
Intra-Tympanic Steroid With PRP Combination in Sensorineural Hearing Loss and Tinnitus. treatment 0 completed NCT02584361
Cochlear Implant and Vestibular Function. No drug interventions treatment Not Available unknown_status NCT00589511
Nucleus Freedom Cochlear Implant System Pediatric Post-approval Study No drug interventions Not Available Not Available completed NCT04741009
Perimodiolar Implant Performance in Adults With Low-Frequency Residual Hearing No drug interventions device_feasibility Not Available active_not_recruiting NCT06013215
Electrical Impulse Parameters and Neuronal Population in the Cochlear Implanted Patient-PULSE No drug interventions basic_science Not Available not_yet_recruiting NCT04102215
The Efficacy of a Minimally Invasive Direct Cochlear Access Via the HEARO Procedure No drug interventions treatment Not Available unknown_status NCT04750642
Cochlear Implant With Dexamethasone Eluting Electrode Array No drug interventions treatment Not Available active_not_recruiting NCT03467399
Clinical Evaluation of a Cochlear Implant System No drug interventions treatment Not Available completed NCT00023049
Genetic Analysis of Hereditary Disorders of Hearing and Balance No drug interventions Not Available Not Available completed NCT00023036
Clinical and Genetic Analysis of Enlarged Vestibular Aqueducts No drug interventions Not Available Not Available completed NCT03746613
Clinal Evaluation of Navigation Based Functional Ear Surgery Using Image Guided and Robotically Assisted Techniques No drug interventions treatment Not Available completed NCT06229717
Vestibular and Postural Function in an Unselected Group of Children With Sensorineural Hearing Loss No drug interventions Not Available Not Available not_yet_recruiting NCT06223724
Status Telemetry for Cochlear Implantations No drug interventions Not Available Not Available recruiting NCT04120116
FX-322 in Adults With Stable Sensorineural Hearing Loss No drug interventions treatment 2 completed NCT05061758
A Trial of LY3056480 in Patients With SNLH No drug interventions treatment 2 withdrawn NCT05670158
Immunity After Cochlear Implantation and Perilymph Molecular Profiles in Sensorineural Hearing Loss No drug interventions other Not Available recruiting NCT05488535
Non-significant Risk Study of a Cochlear Implant Headpiece No drug interventions treatment Not Available completed NCT01781039
Investigation of Anatomical Correlates of Speech Discrimination No drug interventions Not Available Not Available recruiting NCT04741048
Hearing Implant Performance in Adults With Low-Frequency Residual Hearing No drug interventions device_feasibility Not Available withdrawn NCT06434129
Role of Diffusion Tensor-magnetic Resonance Imaging in Investigating Sensorineural Hearing Loss No drug interventions Not Available Not Available recruiting NCT00787189
Study of Low Level Laser Therapy and Word Recognition in Hearing Impaired Individuals No drug interventions treatment Not Available completed NCT02693704
Evaluation of a Binaural Spatialization Method for Hearing Aids No drug interventions supportive_care 2 / 3 completed NCT02038972
Safety of Autologous Stem Cell Infusion for Children With Acquired Hearing Loss No drug interventions treatment 1 / 2 completed NCT02616172
Autologous Bone Marrow Harvest and Transplant for Sensorineural Hearing Loss No drug interventions treatment 1 / 2 suspended NCT00261768
Efficacy of Digital Noise Reduction Strategies: A Hearing Aid Trial No drug interventions treatment Not Available completed NCT05402969
Evaluation of Electrode-modiolus Distance and Cochlear Fibrosis Using Depth Sounding and Spectroscopy Tools No drug interventions Not Available Not Available recruiting NCT01434446
The Effect of Sound Stimulation on Hearing Ability No drug interventions treatment Not Available completed NCT01655212
Congenital Cytomegalovirus: Efficacy of Antiviral Treatment in a Randomized Controlled Trial treatment 3 terminated NCT04610450
The Performance of a Robot-assisted Minimally Invasive Direct Cochlear Access for Cochlear Implantation No drug interventions treatment Not Available completed NCT04733950
Cochlear Implanted Listening Effort and Hearing Attention No drug interventions diagnostic Not Available recruiting NCT04450290
Dexamethasone-Eluting Cochlear Implant Electrode No drug interventions device_feasibility Not Available completed NCT06053190
Effects of Clear Speech on Listening Effort and Memory in Sentence Processing No drug interventions basic_science Not Available recruiting NCT04241679
Auditory Nerve Test System During Vestibular Schwannoma Resection No drug interventions device_feasibility Not Available completed NCT06477354
ACEMg for Hearing Preservation and Tinnitus Mitigation No drug interventions prevention Not Available not_yet_recruiting NCT03938753
Quality Control of CE-Certified Phonak Hearing Aids - 2018_42 No drug interventions treatment Not Available completed NCT03858647
Electrode Placement and Audiologic Outcomes With the Advanced Bionics HiFocus L23 Electrode No drug interventions Not Available Not Available terminated NCT04462198
Phase I/IIa Study Evaluating Safety and Efficacy of an Intratympanic Dose of PIPE-505 in Subjects With Hearing Loss No drug interventions treatment 1 / 2 completed NCT04108598
The SeaSHeL National Prospective Cohort Study No drug interventions Not Available Not Available unknown_status NCT04934605
Genotype-phenotype Correlation of SLC26A4 in CI Patients With EVA No drug interventions Not Available Not Available unknown_status NCT02638883
Implantation of the Cochlear™ Nucleus® Hybrid S Round Window (S-RW) in Adults No drug interventions treatment Not Available completed NCT02798783
Enlarged Vestibular Aqueduct Registry No drug interventions Not Available Not Available completed NCT04183361
ABR Characteristics and Salivary Cortisone Concentration in Noise-exposed Workers No drug interventions Not Available Not Available unknown_status NCT05451628
Anatomy-Based Fitting in Unexperienced Cochlear Implant Users No drug interventions treatment Not Available recruiting NCT03107871
Randomized Controlled Trial of Valganciclovir for Cytomegalovirus Infected Hearing Impaired Infants treatment 2 active_not_recruiting NCT06507007
Genetic and Epigenetic Background of Inner Ear Dysfunction in Turner Syndrome No drug interventions Not Available Not Available not_yet_recruiting NCT05634356
Social Influences on Sensorimotor Integration of Speech Production and Perception During Early Vocal Learning No drug interventions basic_science Not Available recruiting NCT04331015
Artificial Intelligence in Diagnosis of DFNA9 No drug interventions Not Available Not Available completed NCT04129775
OTO-413 in Subjects With Speech-in-Noise Hearing Impairment treatment 1 / 2 completed NCT03718975
Quality Control of CE-Certified Phonak Hearing Aids - 2018_28 No drug interventions other Not Available completed NCT00678899
Evaluation of the Nucleus Hybrid™ L24 Cochlear Implant System No drug interventions treatment Not Available completed NCT02689349
Esteem New Subject Enrollment Post Approval Study No drug interventions treatment Not Available completed NCT03212924
Listening Effort in Cochlear Implant Users No drug interventions treatment Not Available completed NCT06226558
Long-Term Outcomes of Children With Congenital CMV in New York State No drug interventions Not Available Not Available recruiting NCT02005822
Congenital Cytomegalovirus: Efficacy of Antiviral Treatment treatment 3 completed NCT01184248
The Effect of Sound Stimulation on Pure-tone Hearing Threshold No drug interventions treatment Not Available completed NCT03260374
Objective Measures in Cochlear Implant No drug interventions Not Available Not Available unknown_status NCT02082431
Determine the Incidence of Long QT Amongst a Large Cohort of Subjects Diagnosed With Unilateral or Bilateral Sensorineural Hearing Loss. No drug interventions Not Available Not Available completed NCT01267994
A Clinical Trial of Anakinra for Steroid-Resistant Autoimmune Inner Ear Disease treatment 1 / 2 completed NCT05568329
Appreciation for Music Processed by Hearing Aids No drug interventions basic_science Not Available recruiting NCT03992989
Quality Control of CE-Certified Phonak Hearing Aids - 2019_19 No drug interventions treatment Not Available completed NCT02252601
Evaluation of the High Frequency Digit Triplet Test in Cystic Fibrosis No drug interventions screening Not Available unknown_status NCT06495268
Healthy heaAring for Healthy Ageing: Data-driven Hearing Rehabilitation Intervention to Promote Healthy Hearing No drug interventions supportive_care Not Available not_yet_recruiting NCT02259595
Study to Determine the Safety, Tolerability, and Pharmacokinetic Profile of HPN-07 and HPN-07 Plus NAC treatment 1 completed NCT01902914
Effectiveness of P02 Digital Hearing Aids No drug interventions health_services_research 1 / 2 unknown_status NCT03374514
Cochlear Electrical Impedance and the Effect of Topical Dexamethasone on Cochlear Implant Surgery treatment 3 unknown_status NCT03616223
FX-322 in Sensorineural Hearing Loss No drug interventions treatment 1 / 2 completed NCT02093806
Clinical Applications of Round Window Imaging Anatomy in Cochlear Implant Surgery No drug interventions Not Available Not Available unknown_status NCT01749592
Single-sided Deafness and Cochlear Implants No drug interventions treatment Not Available completed NCT03900897
Expanded Indications in the MED-EL Pediatric Cochlear Implant Population No drug interventions treatment Not Available completed NCT06424262
Performance and Hearing-related Outcomes in Adults Implanted With the CI622D Dexamethasone-eluting Cochlear Implant Compared to Those Implanted With a Standard Cochlear Implant (CI622) No drug interventions treatment Not Available recruiting NCT06642935
A Study to Explore Improved Features and a Simplified Treatment Approach for a Totally Implantable Cochlear Implant (TICI) Research System in Adults with Severe Hearing Loss No drug interventions treatment Not Available not_yet_recruiting NCT06293482
Safety and Effectiveness of Cochlear Implantation in an Expanded Adult Population No drug interventions treatment Not Available recruiting NCT06176625
Sight and Hearing Investigation Into Effects on Delirium No drug interventions prevention Not Available completed NCT06370351
A Phase I/II Clinical Trial with SENS-501 in Children Suffering from Severe to Profound Hearing Loss Due to Otoferlin (OTOF) Mutations treatment 1 / 2 recruiting NCT06543953
Remote Support for Cochlear Implant Recipients: Evaluation of the HearCare MED-EL App No drug interventions other Not Available recruiting NCT05414903
Reading Outcomes in Children With Vestibular Loss No drug interventions Not Available Not Available recruiting NCT04987021
An Actual Use, Open-label Study Assessing Usability of Remote Assist to Program Cochlear Implant Recipients No drug interventions supportive_care Not Available completed NCT05525221
Societal Merit of Intervention on Hearing Loss Evaluation No drug interventions Not Available Not Available recruiting NCT03555084
Quality Control of CE-Certified Phonak Hearing Aids - 2018_07 No drug interventions treatment Not Available completed NCT03771287
Hearing Aid Noise Reduction in Pediatric Users (Oticon Study) No drug interventions treatment Not Available completed NCT04427033
The BCI 602 BONEBRIDGE Post-Market Clinical Follow-up Study No drug interventions Not Available Not Available completed NCT04397354
Intracochlear Dexamethasone Application During Cochlear Implantation for Preserving Cochlear Cells prevention Not Available completed NCT03512951
Subjective Evaluation of a Sound Processing Method for Hearing Aids on Auditory Distance Perception No drug interventions supportive_care Not Available completed NCT04281953
Impact on Quality of Life of Long-term Ototoxicity in Cancer Survivors No drug interventions Not Available Not Available completed NCT00724347
PC-Based Rehabilitation of Auditory Function No drug interventions basic_science Not Available completed NCT06499805
Barriers and Facilitators to OTC Hearing Aids Success No drug interventions treatment Not Available not_yet_recruiting NCT05855005
Direct-to-Consumer Hearing Aids and Listening Effort No drug interventions treatment Not Available completed NCT05101083
Speech Intelligibility in Quiet and Noise for New vs. Legacy Hearing Aids No drug interventions treatment Not Available completed NCT04479761
Sensory Integration of Auditory and Visual Cues in Diverse Contexts No drug interventions diagnostic Not Available active_not_recruiting NCT04240561
Characterizing Variability in Hearing Aid Outcomes in Among Older Adults With Alzheimer's Dementia No drug interventions treatment Not Available recruiting NCT00000361
Autoimmunity in Inner Ear Disease treatment 3 terminated NCT04161261
Minimizing Facial Nerve Stimulation in Cochlear Implants No drug interventions diagnostic Not Available unknown_status NCT05786378
Assessment of The Efficacy of Intratympanic Platelet Rich Plasma for Treatment of Sensorineural Hearing Loss. treatment 2 / 3 not_yet_recruiting NCT02019888
Wide Frequency Band Test of Hearing in Veterans No drug interventions Not Available Not Available completed NCT05043207
A Study Protocol for the Validation of UAud in a Clinical Setting. No drug interventions treatment Not Available recruiting NCT03613909
Acceptance of the CP950 Sound Processor No drug interventions other Not Available completed NCT04601909
FX-322 in Adults With Age-Related Sensorineural Hearing Loss No drug interventions treatment 1 completed NCT06249685
Does Wearing Hearing Aids Impact the Affective State of Older Adults With Hearing Loss in Their Daily Lives? No drug interventions treatment Not Available completed NCT01867515
Spectral Dynamics and Speech Understanding by Hearing Impaired People No drug interventions other Not Available completed NCT04070937
Correlation of Radiological Lesions With Vestibular Function in Patients With Bilateral Vestibulopathy No drug interventions Not Available Not Available recruiting NCT03402932
Administration Method of Cognitive Screening in Older Individuals With Hearing Loss No drug interventions screening Not Available completed NCT05664100
First in Human Safety Study of FX-345 in Adults With Sensorineural Hearing Loss No drug interventions treatment 1 terminated NCT06365775
Multi-omics Characteristics and Prognosis of Idiopathic Sudden Sensorineural Hearing Loss No drug interventions Not Available Not Available not_yet_recruiting NCT06516575
Listening Effort in Cochlear Implant Users No drug interventions basic_science Not Available recruiting NCT06560918
Self-efficacy-based Auditory Rehabilitation with Over-the-Counter Hearing Aids No drug interventions treatment Not Available not_yet_recruiting NCT05828017
Investigating Hearing Aid Frequency Response Curves 2 No drug interventions treatment Not Available completed NCT05292534
Evaluation of the Clinical Benefit of the Hearing Aids Tinnitus Feature. No drug interventions treatment Not Available completed NCT03143296
Reverberation Effects on MED-EL Recipients No drug interventions other Not Available completed NCT06298396
Investigating Stimulation Parameter and Electrode Mode Changes on Speech Perception in Experienced Adult Cochlear Implant Recipients No drug interventions treatment Not Available recruiting NCT04881435
Hydrogen-oxygen Gas Mixture Inhalation in Patients With Sudden Sensorineural Hearing Loss No drug interventions treatment Not Available unknown_status NCT05612763
Self Fitting Hearing Aid Clinical Investigation No drug interventions treatment Not Available completed NCT05694039
A Prospective Cohort Study On Change of Cognitive Function In Aged-related Hearing Loss With Hearing Aids No drug interventions treatment Not Available recruiting NCT06305039
Optimizing Bilateral and Single-sided-deafness Cochlear Implants for Functioning in Complex Auditory Environments No drug interventions basic_science Not Available enrolling_by_invitation NCT05180630
Sound Quality Comparisons With Different Hearing Aid Couplings and Venting Systems No drug interventions other Not Available completed NCT05582148
Meniere Disease and Hearing Aids No drug interventions treatment Not Available not_yet_recruiting NCT05072457
Benefit of Assistive Listening Device for Lateralization No drug interventions other Not Available completed NCT03379766
Quality Control of CE-Certified Phonak Hearing Aids - 2017_37 No drug interventions treatment Not Available completed NCT06459765
Mi2000 Totally Implantable Cochlear Implant (Mi2000 TICI) No drug interventions treatment Not Available recruiting NCT05599165
Speech Perception in Bimodal Hearing No drug interventions basic_science Not Available recruiting NCT04672174
Cognitive Screening Of Patients With Hearing Loss No drug interventions screening Not Available enrolling_by_invitation NCT01518920
A Study Of The Effects Of PF-04958242 In Subjects With Age-Related Hearing Loss treatment 1 completed NCT02941627
The Neuro Zti Cochlear Implant System Efficacy and Safety in Adults No drug interventions treatment Not Available completed NCT02470494
The EarLens Contact Hearing Device (CHD) Spectrum Study No drug interventions treatment Not Available completed NCT04823494
Wear-Time Trial for Self-Fitting Hearing Aid No drug interventions treatment Not Available completed NCT03751891
Quality Control of CE-Certified Phonak Hearing Aids - Sonova2018_05 No drug interventions treatment Not Available completed NCT04839289
Hearing Aid Signal Processing Comparative Study No drug interventions treatment Not Available completed NCT05554692
Peripheral and Central Influences on Auditory Temporal Processing & Speech Perception in Older Cochlear Implantees No drug interventions basic_science Not Available enrolling_by_invitation NCT06058767
Preschool Hearing Screening No drug interventions screening Not Available recruiting NCT03007472
Clinical Evaluation of the Cochlear Nucleus CI532 Cochlear Implant in Adults No drug interventions treatment Not Available completed NCT03382769
Hearing Loss in Older Adults Study No drug interventions treatment Not Available terminated NCT05558514
Place-based Cochlear Implant Mapping No drug interventions treatment Not Available recruiting NCT05521308
Investigating Hearing Aid Frequency Response Curves No drug interventions treatment Not Available completed NCT05244603
Application of Ideal Binary Masking to Disordered Speech No drug interventions basic_science 0 completed NCT04629664
FX-322 in Adults With Severe Sensorineural Hearing Loss No drug interventions treatment 1 completed NCT06437054
Verification of the Efficacy/Safety of the Mixed Drug Injectable Delivery Vehicle for Treating Intractable Hearing Loss treatment 1 / 2 not_yet_recruiting NCT03352154
Long Latency Auditory Evoked Potentials (P300) Outcomes in Patients With Unilateral Cochlear Implants No drug interventions diagnostic Not Available unknown_status NCT04506853
Single-Sided Deafness and Asymmetric Hearing Loss No drug interventions treatment Not Available recruiting NCT05215197
Intracochlear Platelet-rich Fibrin Application in Cochlear Implantation prevention Not Available recruiting NCT00594061
Iowa/Nucleus 10/10 mm and Nucleus Freedom Feasibility Study No drug interventions treatment Not Available completed NCT03031678
Electric-Acoustic Stimulation Extended Follow-up Post Approval Study No drug interventions other Not Available completed NCT03236909
Expanded Indications in the Adult Cochlear Implant Population No drug interventions treatment Not Available completed NCT01621256
Efficacy, Safety, and Tolerability of Ancrod in Patients With Sudden Hearing Loss treatment 1 / 2 completed NCT04707885
Clinical Utility of Residual Hearing in the Cochlear Implant Ear No drug interventions treatment Not Available recruiting NCT01186185
Fludrocortisone for Sudden Hearing Loss treatment 0 terminated NCT06420037
The Influence of the Individual Auditory-cognitive Need on the Aided Benefit Using Different Feature Settings No drug interventions other Not Available recruiting NCT03756337
Neuro 1 vs. Neuro 2 Sound Processors No drug interventions other Not Available completed NCT06021132
Characterisation of Low Frequency Hearing and Vestibular Function in Patients Undergoing Cochlear Implantation No drug interventions Not Available Not Available recruiting NCT03287700
Designing a Trial of Bilateral Cochlear Implantation in Adults No drug interventions Not Available Not Available unknown_status NCT05776459
Efficacy and Safety of AC102 Compared to Steroids in Adults With Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL) treatment 2 recruiting NCT04066270
Inventory of Radiological and Vestibular Function in Cochlear Implant Candidates No drug interventions Not Available Not Available unknown_status NCT03861442
Front-End Processing 3.0 No drug interventions Not Available Not Available completed NCT05198713
Evaluation of Hearing Aid Benefit No drug interventions treatment Not Available completed NCT03897634
Remote Microphone Candidacy Study No drug interventions treatment Not Available completed NCT03996824
Study of Viral Transduction of Human Auditory Sensory Cells for the Development of Gene Therapy No drug interventions Not Available Not Available recruiting NCT04270916
Prevalence and Impact on QoL From Ototoxicity in Cancer Survivors No drug interventions Not Available Not Available suspended NCT03867396
Evaluation of Speech-in-noise Performance in Cochlear Implant Recipients With a CROS Device on the Contralateral Ear No drug interventions treatment Not Available completed NCT05474963
Sudden Sensorineural Hearing Loss in Wonju Severance Christian Hospital No drug interventions Not Available Not Available recruiting NCT03674086
Evaluation of the eAdjust Application No drug interventions Not Available Not Available completed NCT04131439
CT and MRI for Pre-Operative Cochlear Imaging No drug interventions Not Available Not Available unknown_status NCT04385225
Effect of Hearing Loss and Vestibular Decline on Cognitive Function in Older Subjects No drug interventions basic_science Not Available unknown_status NCT04521166
Hearing Aid Processing and Working Memory in Realistic Spatial Conditions No drug interventions treatment Not Available completed NCT03582566
Training Language and Literacy for Children Who Use CIs No drug interventions treatment Not Available completed NCT06218966
Usability of the Intracochlear Catheter INCAT - a Feasibility Study No drug interventions treatment Not Available not_yet_recruiting NCT05954520
Effects of Nonlinear Signal Processing Algorithms on Speech Perception No drug interventions basic_science Not Available recruiting NCT06106373
iotaSOFT Pediatric Study No drug interventions treatment Not Available recruiting NCT05086276
FX-322 in Adults With Acquired Sensorineural Hearing Loss No drug interventions treatment 2 completed NCT03666676
Hearing Study: Sensitivity to Features of Speech Sounds No drug interventions basic_science Not Available recruiting NCT06114680
Evaluation of the CochSyn Test Prototype to Measure Cochlear Synaptopathy No drug interventions diagnostic Not Available recruiting NCT05299892
Optimizing Soft Speech Recognition in Children With Hearing Loss No drug interventions treatment Not Available completed NCT05052944
Single-sided Deafness and Cochlear Implantation No drug interventions Not Available Not Available completed NCT06268340
Hearing and Structure Preservation Via ECochG No drug interventions treatment Not Available recruiting NCT03715569
CNS Infections Effect on the Inner Ear No drug interventions Not Available Not Available unknown_status NCT05973669
MED-EL Remote Care Multi-Center Feasibility Study No drug interventions supportive_care Not Available not_yet_recruiting NCT03686046
Evaluation of an Open-source Speech-processing Platform No drug interventions Not Available Not Available unknown_status NCT05950412
Paraverbal Components of Language and Cochlear Implant No drug interventions Not Available Not Available recruiting NCT05693610
Open-source Hearing Aid Platform Comparisons No drug interventions treatment Not Available active_not_recruiting NCT01022710
Early Detection of Noise-Induced Hearing Loss No drug interventions Not Available Not Available withdrawn NCT04400955
A Study of Web and Tablet-based Interactive Audiometry in Adults With CF No drug interventions Not Available Not Available completed NCT05586555
A Monocentric Study Evaluating Pupillometry as an Objective Measurement for CI Fittings No drug interventions basic_science Not Available terminated NCT03112850
Cognition Effects of Hearing Aids and Auditory Training in Older Age No drug interventions treatment Not Available completed NCT05956808
Phonak Behind-The-Ear Quality Evaluation No drug interventions treatment Not Available completed NCT06453343
Clinical Trial to Compare Two Surgical Approaches to the Cochlea No drug interventions treatment Not Available not_yet_recruiting NCT05808543
BEARS Training Package to Maximise Hearing Abilities in Older Children and Teenagers With Bilateral Cochlear Implants No drug interventions treatment Not Available not_yet_recruiting