{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Speech+Perception",
    "query": {
      "condition": "Speech Perception"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 48,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Speech+Perception&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T09:20:21.445Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT06377215",
      "title": "Understanding Aided Speech Perception in Noise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Impairment, Sensorineural",
        "Spatial Perception",
        "Aging",
        "Hearing Aids"
      ],
      "interventions": [
        {
          "name": "Open-source master hearing aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 121,
      "start_date": "2025-11-16",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06377215"
    },
    {
      "nct_id": "NCT07323862",
      "title": "Assessment of a Method to Improve Cochlear Implant Users' Speech Perception in Noisy Environments While Maintaining Their Ability to Determine Where a Sound Originates From",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cochlear Implant Users"
      ],
      "interventions": [
        {
          "name": "Modifying audio input for cochlear implant processor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2026-01-01",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Champaign, Illinois",
      "locations": [
        {
          "city": "Champaign",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07323862"
    },
    {
      "nct_id": "NCT04762043",
      "title": "MyoVoice to Restore Natural, Hands-free Communication to Individuals With Vocal Impairments",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rehabilitation of Speech and Language Disorders",
        "Speech Disorders",
        "Speech, Alaryngeal",
        "Communication Aids for Disabled",
        "Speech Perception",
        "Speech Intelligibility"
      ],
      "interventions": [
        {
          "name": "Experimental System: MyoVoice",
          "type": "DEVICE"
        },
        {
          "name": "Reference System: Electrolarynx",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Altec Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2021-02-12",
      "completion_date": "2023-11-08",
      "has_results": true,
      "last_update_posted_date": "2024-09-23",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04762043"
    },
    {
      "nct_id": "NCT07176936",
      "title": "Improving Speech in Noise Using Noninvasive Stimulation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Traumatic Brain Injury",
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Cymba Conchae stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Earlobe stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-03-21",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07176936"
    },
    {
      "nct_id": "NCT05954520",
      "title": "Effects of Nonlinear Signal Processing Algorithms on Speech Perception",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech",
        "Hearing Loss, Sensorineural",
        "Hearing Aids"
      ],
      "interventions": [
        {
          "name": "Tympan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-08-01",
      "completion_date": "2025-06-09",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05954520"
    },
    {
      "nct_id": "NCT01059838",
      "title": "Speech Perception for Children With Cochlear Implants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "sentence recognition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-10",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2017-09-08",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059838"
    },
    {
      "nct_id": "NCT04858022",
      "title": "Visual Acoustic Biofeedback for RSE Via Telepractice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Speech Sound Disorder"
      ],
      "interventions": [
        {
          "name": "Visual-Acoustic Biofeedback Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Montclair State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "9 Years to 15 Years"
      },
      "enrollment_count": 40,
      "start_date": "2022-01-15",
      "completion_date": "2024-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Upper Montclair, New Jersey",
      "locations": [
        {
          "city": "Upper Montclair",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04858022"
    },
    {
      "nct_id": "NCT04290130",
      "title": "Dynamic Neural Mechanisms of Audiovisual Speech Perception",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech Perception"
      ],
      "interventions": [
        {
          "name": "Measurement of brain activity using electrodes.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-09-15",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04290130"
    },
    {
      "nct_id": "NCT04989309",
      "title": "Left and Right Hemisphere Contributions to Speech Perception",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neural Bases of Speech Perception"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2024-12-19",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04989309"
    },
    {
      "nct_id": "NCT03623100",
      "title": "Neural Indices of Intervention Outcomes in Children With Speech Sound Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech Sound Disorder"
      ],
      "interventions": [
        {
          "name": "Speech Production Treatment.",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Speech Production + Speech Perception Treatment.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Idaho State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "4 Years to 6 Years"
      },
      "enrollment_count": 42,
      "start_date": "2014-08-01",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-09",
      "last_synced_at": "2026-06-27T09:20:21.445Z",
      "location_count": 1,
      "location_summary": "Meridian, Idaho",
      "locations": [
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03623100"
    }
  ]
}