{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Speech+Intelligibility",
    "query": {
      "condition": "Speech Intelligibility"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Speech+Intelligibility&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T00:04:33.913Z",
  "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": "NCT06860152",
      "title": "Cochlear Implant Speech in Noise Processing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Adult-Onset",
        "Speech Intelligibility",
        "Hearing Loss, Extreme"
      ],
      "interventions": [
        {
          "name": "Cochlear implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Craig D. Workman, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-11-14",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06860152"
    },
    {
      "nct_id": "NCT04698356",
      "title": "Speech Perception With High Cognitive Demand",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech Intelligibility",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Auditory-cognitive training paradigm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, College Park",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-04-09",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-05-30",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "College Park, Maryland",
      "locations": [
        {
          "city": "College Park",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04698356"
    },
    {
      "nct_id": "NCT06580847",
      "title": "Benefits of Choir for Older Adults With Unaddressed Hearing Loss (WP2)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss, Age-Related",
        "Speech Intelligibility",
        "Psychosocial Functioning"
      ],
      "interventions": [
        {
          "name": "Group Singing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Audiobook Club",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Toronto Metropolitan University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2025-04-15",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06580847"
    },
    {
      "nct_id": "NCT07173049",
      "title": "Speech Production Enhancement Using Augmentative Communication for Kids",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Palsy (CP)",
        "Intelligibility, Speech",
        "Augmentative and Alternative Communication"
      ],
      "interventions": [
        {
          "name": "AAC Speech supplementation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-05",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07173049"
    },
    {
      "nct_id": "NCT05365646",
      "title": "Fall Risk Assessment and Speech Intelligibility Enhancement Using In-ear Device",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss",
        "Dizziness",
        "Vertigo",
        "Fall Related Injury Risk",
        "Fall Prevention",
        "Imbalance",
        "Speech Intelligibility"
      ],
      "interventions": [
        {
          "name": "Hearing aids equipped with motion sensing abilities",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2022-05-23",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05365646"
    },
    {
      "nct_id": "NCT05260307",
      "title": "Improving Spatial Perception and Speech Understanding in Multitalker Mixtures",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "hearing aid condition",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University Charles River Campus",
      "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": 220,
      "start_date": "2022-03-09",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05260307"
    },
    {
      "nct_id": "NCT05072470",
      "title": "Benefits of Assistive Listening Device for Speech Intelligibility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Roger microphone",
          "type": "DEVICE"
        },
        {
          "name": "Phonak Audeo hearing aid",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sonova AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-10-18",
      "completion_date": "2021-12-13",
      "has_results": true,
      "last_update_posted_date": "2023-02-13",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05072470"
    },
    {
      "nct_id": "NCT04829006",
      "title": "Intelligibility Assessment for Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Understand Me For Life",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Long Island University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "30 Years to 85 Years"
      },
      "enrollment_count": 70,
      "start_date": "2021-04-01",
      "completion_date": "2022-04-04",
      "has_results": false,
      "last_update_posted_date": "2022-04-12",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04829006"
    },
    {
      "nct_id": "NCT00695162",
      "title": "Speech Intelligibility and Cognition: Are Inpatients Impaired by Noise?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Auditory Perception",
        "Memory",
        "Hearing Impairment"
      ],
      "interventions": [
        {
          "name": "quiet",
          "type": "OTHER"
        },
        {
          "name": "non-speech noise",
          "type": "OTHER"
        },
        {
          "name": "speech noise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Portland VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 84,
      "start_date": "2010-01",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2011-02-16",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00695162"
    },
    {
      "nct_id": "NCT04059354",
      "title": "Down Syndrome Speech Intelligibility Diagnostic Treatment Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Speech therapy addressing phonology and motor learning",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "16 Years",
        "sex": "MALE",
        "summary": "7 Years to 16 Years · Male only"
      },
      "enrollment_count": 3,
      "start_date": "2019-09-05",
      "completion_date": "2020-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-05-22T00:04:33.913Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04059354"
    }
  ]
}