{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Voice-based+Cognitive+Testing",
    "query": {
      "intervention": "Voice-based Cognitive Testing"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-01T17:44:30.116Z",
  "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": "NCT04798196",
      "title": "ElderTree Smart System for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "ElderTree on laptop (ET- LT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ElderTree on smart system (ET- SS)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 268,
      "start_date": "2021-07-29",
      "completion_date": "2023-09-26",
      "has_results": true,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04798196"
    },
    {
      "nct_id": "NCT06441136",
      "title": "Characterizing the Impact of Presbyphonia on Social Interaction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyphonia"
      ],
      "interventions": [
        {
          "name": "PhoRTE Program",
          "type": "OTHER"
        },
        {
          "name": "University of California Los Angeles (UCLA) Loneliness Scale",
          "type": "OTHER"
        },
        {
          "name": "Social Disconnectedness Scale",
          "type": "OTHER"
        },
        {
          "name": "Patient Health Questionnaire 9",
          "type": "OTHER"
        },
        {
          "name": "Aging Voice Index",
          "type": "OTHER"
        },
        {
          "name": "The Edmonton Frail Scale",
          "type": "OTHER"
        },
        {
          "name": "Vocal Effort Scale",
          "type": "OTHER"
        },
        {
          "name": "Montreal Cognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Voice Handicap Index-10",
          "type": "OTHER"
        },
        {
          "name": "Voice Problem Impact Scales",
          "type": "OTHER"
        },
        {
          "name": "Cough Severity Index",
          "type": "OTHER"
        },
        {
          "name": "Laryngoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Acoustic, perceptual, and aerodynamic assessments",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Matthew R. Hoffman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-01-10",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-17",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441136"
    },
    {
      "nct_id": "NCT04273672",
      "title": "Speech, Linguistic and Acoustic Markers in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Cognitive Impairment, Mild",
        "Speech"
      ],
      "interventions": [
        {
          "name": "Cognitive Battery",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Voice, Speech and Language Analysis",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaires and Clinical Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DNA Analysis",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "GENETIC"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2020-01-13",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-06-10",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04273672"
    },
    {
      "nct_id": "NCT05240534",
      "title": "ElderTree Via a Voice Activated Device for Managing Chronic Health Conditions (NHLBI)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Conditions, Multiple"
      ],
      "interventions": [
        {
          "name": "ET-Text (Laptop)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ET-Voice (Smart System)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 502,
      "start_date": "2022-04-29",
      "completion_date": "2025-12-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05240534"
    },
    {
      "nct_id": "NCT04935606",
      "title": "mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Drug Use"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 457,
      "start_date": "2021-06-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 5,
      "location_summary": "Long Beach, California • Los Angeles, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04935606"
    },
    {
      "nct_id": "NCT02364544",
      "title": "Improving Care and Reducing Cost Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Psychosis NOS"
      ],
      "interventions": [
        {
          "name": "Relapse Prevention Plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Support Website",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computer CBT for voices and paranoia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "FOCUS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Prescriber Decision Assistant",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 461,
      "start_date": "2013-04",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 8,
      "location_summary": "Fort Lauderdale, Florida • Lawrenceburg, Indiana • Grand Rapids, Michigan + 5 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Lawrenceburg",
          "state": "Indiana"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02364544"
    },
    {
      "nct_id": "NCT07763392",
      "title": "Establishing Normal Cognitive Test Scores for Adults Using a Voice-Enabled Digital Testing Platform Across the Lifespan",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cognition",
        "Cognition Disorders",
        "Cognition - Other",
        "Dementia",
        "Alzheimer Disease",
        "Memory",
        "Neurocognition"
      ],
      "interventions": [
        {
          "name": "Voice-based Cognitive Testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Neurology Center of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2026-03-23",
      "completion_date": "2027-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-01T17:44:30.116Z",
      "location_count": 1,
      "location_summary": "Carlsbad, California",
      "locations": [
        {
          "city": "Carlsbad",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07763392"
    }
  ]
}