{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clear+Speech",
    "query": {
      "intervention": "Clear Speech"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clear+Speech&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:06:13.114Z",
  "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": "NCT05754086",
      "title": "A Multidimensional Study on Articulation Deficits in Parkinsons Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Dysarthria, Hypokinetic"
      ],
      "interventions": [
        {
          "name": "Clear Speech",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Less Clear Speech",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-09-09",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05754086"
    },
    {
      "nct_id": "NCT04041440",
      "title": "Speech Recognition Training in Children With Hearing Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "clEAR auditory training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "8 Years to 12 Years"
      },
      "enrollment_count": 34,
      "start_date": "2019-09-01",
      "completion_date": "2020-09-16",
      "has_results": true,
      "last_update_posted_date": "2021-11-10",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04041440"
    },
    {
      "nct_id": "NCT06266403",
      "title": "Evaluating Verbal Communication in Structured Interactions: Theoretical and Clinical Implications",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Structured Communicative Interaction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clear Speech",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Unstructured communicative interaction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clear Speech Structured Communicative Interaction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 300,
      "start_date": "2024-11-05",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06266403"
    },
    {
      "nct_id": "NCT07219680",
      "title": "Intervention for Communication Quality of Life in Primary Progressive Aphasia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Progressive Aphasia(PPA)",
        "Semantic Dementia",
        "Logopenic Progressive Aphasia (LPA)",
        "Nonfluent Aphasia, Progressive",
        "Progressive Aphasia",
        "Semantic Variant Primary Progressive Aphasia (svPPA)",
        "Semantic Aphasia",
        "Logopenic Variant Primary Progressive Aphasia",
        "Logopenic Variant of Primary Progressive Aphasia (LPA)",
        "Logopenic Progressive Aphasia",
        "Nonfluent Variant Primary Progressive Aphasia (nfvPPA)",
        "Nonfluent Progressive Aphasia"
      ],
      "interventions": [
        {
          "name": "Multicomponent Lexical Retrieval Cascade Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multicomponent Video Implemented Script Training in Aphasia",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Maya Henry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-04-01",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219680"
    },
    {
      "nct_id": "NCT07290491",
      "title": "Spiritual Care or Psychotherapy Versus Palliative Care Alone in Patients With Non-Curative Malignancies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Chaplain-Provided Spiritual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Psychotherapy and Meditation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 854,
      "start_date": "2024-06-19",
      "completion_date": "2030-05-10",
      "has_results": false,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290491"
    },
    {
      "nct_id": "NCT05307939",
      "title": "A Study on Using Cell-Free Tumor DNA (ctDNA) Testing to Decide When to StartRoutine Treatment in People With Human Papilloma Virus (HPV)- Associated Oropharynx Cancer (OPC)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV",
        "Oropharynx Cancer",
        "HPV-Related Carcinoma",
        "HPV-Related Malignancy",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "HPV ctDNA Assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Studies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "EORTC QLQ H&N 35 and C30",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MDADI-HN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "COST-FACIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy (Arm A)",
          "type": "RADIATION"
        },
        {
          "name": "Chemoradiation (Arm B)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "RADIATION",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-03-24",
      "completion_date": "2027-03-24",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05307939"
    },
    {
      "nct_id": "NCT07176988",
      "title": "Deconstructing Voice Therapy: Towards Enhanced Communication Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphonia",
        "Primary Muscle Tension Dysphonia (MTD)"
      ],
      "interventions": [
        {
          "name": "Hierarchical method",
          "type": "OTHER"
        },
        {
          "name": "Non Hierarchical method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-09-03",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07176988"
    },
    {
      "nct_id": "NCT06649084",
      "title": "Primary Progressive Aphasia Multicomponent Language Treatment Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Progressive Aphasia",
        "Semantic Dementia",
        "Semantic Memory Disorder",
        "Logopenic Progressive Aphasia",
        "Nonfluent Aphasia, Progressive",
        "Aphasia",
        "Aphasia, Progressive"
      ],
      "interventions": [
        {
          "name": "Multicomponent Lexical Retrieval Training (Multi-LRT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multicomponent Video Implemented Script Training in Aphasia (Multi-VISTA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multicomponent Communication Partner Training (Multi-CPT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 21,
      "start_date": "2023-05-02",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06649084"
    },
    {
      "nct_id": "NCT05209386",
      "title": "Flexible Representation of Speech",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "Dimension-Based Statistical Learning",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "15 Years to 25 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-05-02",
      "completion_date": "2025-04-10",
      "has_results": true,
      "last_update_posted_date": "2025-09-08",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05209386"
    },
    {
      "nct_id": "NCT05220982",
      "title": "Improving Efficacy of Voice Therapy Concepts Via Telepractice and Mobile App Technology",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Voice Disorders"
      ],
      "interventions": [
        {
          "name": "Conversation Training Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Global Voice Prevention and Therapy Model",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Conversation Training Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Global Voice Prevention and Therapy Model",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "West Chester University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2022-08-31",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-28",
      "last_synced_at": "2026-09-04T04:06:13.114Z",
      "location_count": 1,
      "location_summary": "West Chester, Pennsylvania",
      "locations": [
        {
          "city": "West Chester",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05220982"
    }
  ]
}