Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
RECRUITING
NA
13764 participants
INTERVENTIONAL
2023-10-01
2028-02-01
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
A diverse group of 13,764 preschool-age children across community-based preschool centers will be recruited. The intervention involves all subjects undergoing both PTA and OAE screening, with the order determined through randomization. Children who show potential hearing issues based on screening results or teacher concerns will receive further testing to determine the final hearing outcome. Group allocation will be post-hoc, based on their screening results.
In addition to the primary objective, the study will compare other hearing screening measures and outcomes between the two methods (TS-PO and SS-O). This approach aims to reflect the real-life effectiveness of hearing screening in a diverse population. Ultimately, the study seeks to provide insights into an optimal hearing screening method that could prevent speech and language delays among D/HH children.
Related Clinical Trials
Explore similar clinical trials based on study characteristics and research focus.
Neonatal Hearing Screening in Assiut Hospital
NCT03251638
Hearing Health Care Service Access and Use
NCT02037139
Reducing Childhood Hearing Loss in Rural Alaska Through a Preschool Screening and Referral Process Using Mobile Health and Telemedicine
NCT03662256
Reducing Childhood Hearing Loss in an Alaska Native Population Through a New School Screening and Referral Process That Utilizes Mobile Health and Telemedicine
NCT03309553
Community-Based Kiosks for Hearing Screening and Education
NCT01963104
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
1.2 Study Interventions In this study, we will compare the effectiveness of 1) TS-PO versus 2) SS-O in a community- based preschool setting to identify hearing loss. The interventions will be implemented in two distinct phases - a data collection phase, in which every subject will undergo both PTA and OAE screening; and group allocation phase, in which every subject will be allocated to both study groups (TS-PO and SS-O) virtually, for within-subject comparison.
1.2.1 Two-stage PTA+OAE Screening (TS-PO) Children will first undergo PTA screening, recommended for children aged 3 and older, using conditioned-play responses to 25 decibel (dB) HL pure tones at 1000, 2000, and 4000 Hz. Screening results include PASS, REFER, or UNABLE to test. Children unable to be tested immediately undergo OAE screening. Children who REFER either the PTA or the OAE test, or are UNABLE to be tested by both, are referred for further evaluation with their pediatrician. This two-stage method successfully screened 99.6% of preschoolers, with 3.1% identified with HL.
1.2.2 Single-Stage OAE Screening (SS-O) Children undergo screening with OAEs, detecting distortion-product OAEs in response to tone pairs centered at 2000, 3000, 4000, and 5000 Hz. Multiple studies support the efficacy of OAE hearing screening in preschool-aged children, with a success rate of 94% and identification of HL in 2.4%.
1.3 Study Timing and Duration Screening, recruitment, and enrollment will occur annually at each preschool site.
Hearing screening will take place annually. Diagnostic testing will be completed within 6 months of hearing screening.
1.4 Attrition and Study Withdrawal Subjects are enrolled at the moment of screening, and all possible outcomes (including failure or inability to complete screening and loss to follow-up) will be included in the final analysis, eliminating the opportunity for voluntary withdrawal or attrition.
1.5 Site Recruitment and Subject Enrollment Preschool site participation models vary based on whether site or study personnel perform hearing screening and case management. Three participation models are outlined based on who conducts screening and diagnosis.
Subject enrollment is performed by Site Personnel. A Screening and Enrollment Log (SEL) is maintained locally, with no identifiable information transmitted to the Study Team. Parents are notified of the hearing screening and study, with written or verbal permission obtained for screening. Children outside the inclusion age range (2.0-6.0 years) or with known permanent HL are not eligible. Children screened in previous years undergo annual screening, with only their first hearing screen used for analysis.
1.6 Study Procedures and Data Collection Screening Pathway Protocol covers site preparation, hearing screening, and screening outcomes. Screening Pathway Protocol involves screening personnel and training, including initial training and monitoring and quality assurance. Training levels of hearing screening personnel are defined as Level 1, Level 2, and Level 3 based on their screening experience. Data Collection involves collecting information on screening outcomes, equipment calibration, OAE and PTA screening protocols, PASS/REFER/UNABLE criteria, and randomization of test order. Randomization ensures unbiased test order presentation and is not related to group allocation.
1.7 Group Allocation
Group allocation occurs after Data Collection. Subjects are assigned to either the TS-PO or SS-O group based on primary data, including PTA and OAE results, hearing screen outcomes (PASS or REFER), and final hearing outcomes (HL or No HL). Allocation involves assigning PASS outcomes based on PTA and OAE results, while REFER outcomes lead to determining the actual final hearing outcome (HL or No HL). This process generates comprehensive datasets for both comparator groups for subsequent data analysis of primary and secondary outcome variables.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
RANDOMIZED
PARALLEL
SCREENING
NONE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
Two-stage PTA+OAE hearing screening (TS-PO)
Children initially undergo a PTA screening test, recommended by the American Academy of Audiology and supported by published evidence. This screening assesses their hearing ability through conditioned-play responses to 25 dB HL pure tones at 1000, 2000, and 4000 Hz, yielding results of PASS, REFER, or UNABLE to test. Those UNABLE to be tested will receive a second OAE screening. Children who REFER either the PTA or OAE test, or are UNABLE to be tested by both, are referred to their pediatrician for further evaluation and management.
All children will undergo both PTA and OAE screening and the group allocation will be determined post hoc.
Otoacoustic Emissions Testing
An OAE (Otoacoustic Emissions) test is a non-invasive, quick, and commonly used hearing screening method. It is a non-behavioral test to access the function of the cochlea, which is the inner ear's sensory organ responsible for detecting sound.
Pure Tone Audiometry
The PTA testing is a hearing screening method used to assess an individual's ability to hear pure tones at different frequencies and at different sound levels. It is a behavioral test in which a child is conditioned to perform a play-based task upon hearing sounds at multiple frequencies.
Single-Stage OAE hearing screening (SS-O)
Children undergo only screening with OAEs, detecting distortion-product OAEs in response to tone pairs centered at 2000, 3000, 4000, and 5000 Hz. If they PASSED the OAE, they would be assigned a PASS for the SS-O Hearing Screen outcome; if they REFERRED or were UNABLE to test, they would be assigned a REFER.
All children will undergo both PTA and OAE screening and the group allocation will be determined post hoc.
Otoacoustic Emissions Testing
An OAE (Otoacoustic Emissions) test is a non-invasive, quick, and commonly used hearing screening method. It is a non-behavioral test to access the function of the cochlea, which is the inner ear's sensory organ responsible for detecting sound.
Pure Tone Audiometry
The PTA testing is a hearing screening method used to assess an individual's ability to hear pure tones at different frequencies and at different sound levels. It is a behavioral test in which a child is conditioned to perform a play-based task upon hearing sounds at multiple frequencies.
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
Otoacoustic Emissions Testing
An OAE (Otoacoustic Emissions) test is a non-invasive, quick, and commonly used hearing screening method. It is a non-behavioral test to access the function of the cochlea, which is the inner ear's sensory organ responsible for detecting sound.
Pure Tone Audiometry
The PTA testing is a hearing screening method used to assess an individual's ability to hear pure tones at different frequencies and at different sound levels. It is a behavioral test in which a child is conditioned to perform a play-based task upon hearing sounds at multiple frequencies.
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
2. Enrolled in a community-based preschool program
Exclusion Criteria
2. Use of a hearing assistive device
3. Parent does not consent for hearing screening
4. Child was screened previously for this study
5. Child is not present in preschool on day of hearing screening
2 Years
6 Years
ALL
No
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
Patient-Centered Outcomes Research Institute
OTHER
University of California, San Francisco
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Dylan K Chan, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
The University of California - San Francisco
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
The University of California, San Francisco
San Francisco, California, United States
Countries
Review the countries where the study has at least one active or historical site.
Central Contacts
Reach out to these primary contacts for questions about participation or study logistics.
Facility Contacts
Find local site contact details for specific facilities participating in the trial.
References
Explore related publications, articles, or registry entries linked to this study.
Prieve BA, Schooling T, Venediktov R, Franceschini N. An Evidence-Based Systematic Review on the Diagnostic Accuracy of Hearing Screening Instruments for Preschool- and School-Age Children. Am J Audiol. 2015 Jun;24(2):250-67. doi: 10.1044/2015_AJA-14-0065.
Cedars E, Kriss H, Lazar AA, Chan C, Chan DK. Use of otoacoustic emissions to improve outcomes and reduce disparities in a community preschool hearing screening program. PLoS One. 2018 Dec 10;13(12):e0208050. doi: 10.1371/journal.pone.0208050. eCollection 2018.
Brodie KD, David AP, Kriss H, Chan DK. Outcomes of an Early Childhood Hearing Screening Program in a Low-Income Setting. JAMA Otolaryngol Head Neck Surg. 2022 Apr 1;148(4):326-332. doi: 10.1001/jamaoto.2021.4430.
Foust T, Eiserman W, Shisler L, Geroso A. Using otoacoustic emissions to screen young children for hearing loss in primary care settings. Pediatrics. 2013 Jul;132(1):118-23. doi: 10.1542/peds.2012-3868. Epub 2013 Jun 3.
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
CER-2022C2-27634
Identifier Type: -
Identifier Source: org_study_id
More Related Trials
Additional clinical trials that may be relevant based on similarity analysis.