deltatrials

National Institute on Deafness and Other Communication Disorders (NIDCD) Clinical Trials

Sponsors / National Institute on Deafness and Other Communication Disorders (NIDCD)

ClinicalTrials.gov lists 237 trials for which National Institute on Deafness and Other Communication Disorders (NIDCD) is named as lead sponsor. The portfolio currently includes 63 recruiting studies, 8 active non-recruiting studies, and 114 completed studies. 21 trials in this portfolio were terminated or withdrawn before completion. The most common reasons cited for termination include funding constraints, regulatory actions. Cumulative planned enrollment across all listed trials is 69,925 participants. These counts reflect the current state of the public ClinicalTrials.gov registry.

237
Total Trials
63
Recruiting
8
Other Active
114
Completed
21
Terminated / Withdrawn
69,925
Total Enrollment

Termination reasons: Other62% · Funding24% · Regulatory5% · Safety5% · PI/or_Site5%

Recent Terminations

  • NCT04818268 Phase NA Stopped Jul 2025
    Consolidation
    "End of funding"
  • NCT07017595 Phase NA Stopped Jul 2025
    Transgender Women
    "Funding was terminated by NIH in 2025 with a statement that the research no longer meets agency priorities."
  • NCT04581564 Phase NA Stopped Feb 2024
    Aphasia
    "Suspension of IRB (Institutional Review Board) Approval"
  • NCT04618432 Stopped Jun 2023
    Head and Neck Carcinoma
    "PI moved institutes in NIH, and this protocol was redundant with an existing clinical protocol within the new institute."
  • NCT03868891 Phase NA Stopped May 2022
    Cleft Palate
    "End of funding"
  • NCT03790774 Phase NA Stopped Aug 2020
    Alzheimer Disease
    "Due to COVID-19 concerns and restrictions in our at-risk population, interactions were halted."
  • NCT01974726 Phase NA Stopped Jun 2019
    Eustachian Tube Dysfunction
    "End of funding"
  • NCT02574247 Phase NA Stopped May 2017
    Auditory Training and Auditory Efferent System
    "PI change of institution"
  • NCT01212068 Stopped Apr 2017
    Auditory Perceptual Disorder
  • NCT00713050 Phase NA Stopped Jan 2012
    Ischemic Stroke
    "Protocol expired; PI retired"

Active Trials (8 total)

Top Conditions

Aphasia (15) Hearing loss (8) Speech (8) Developmental language disorder (7) Otitis media (6) Healthy (5) Language development disorders (5) Aging (4) Amyotrophic lateral sclerosis (4) Autism (4)

Top Locations

Bethesda, United States (29) Pittsburgh, United States (24) Madison, United States (13) Iowa City, United States (11) Nashville, United States (11) Ann Arbor, United States (8) Chicago, United States (7) Syracuse, United States (7) West Lafayette, United States (7) Evanston, United States (6)