{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Speech+production+behaviors",
    "query": {
      "intervention": "Speech production behaviors"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Speech+production+behaviors&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T09:19:17.056Z",
  "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": "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": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441136"
    },
    {
      "nct_id": "NCT05918679",
      "title": "The Brain Processes Underlying Speech Motor Learning and Speech Production",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Effects of speech variability on speech motor learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Effects of error-detection training on speech motor learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contributions of error awareness to speech motor learning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhancing auditory-to-motor mapping with augmented visual feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Effects of enhanced auditory-motor awareness on speech motor learning",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 510,
      "start_date": "2023-06-01",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05918679"
    },
    {
      "nct_id": "NCT06458153",
      "title": "Imaging Speech in Neurotypical Adults and Individuals With Cerebellar Stroke",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Cerebellum"
      ],
      "interventions": [
        {
          "name": "Neural responses to speech functional localizer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neural responses to silent articulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neural responses to self vs. externally generated speech",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Event-related potentials for speech",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neural responses to induced speech errors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neural responses to sensory-motor adaptation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Speech production behaviors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auditory acuity testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neural responses to learning a non-speech auditory motor behavior",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-05-27",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06458153"
    },
    {
      "nct_id": "NCT05437159",
      "title": "Investigating Speech Sequencing in Neurotypical Speakers and Persons With Disordered Speech",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stuttering, Developmental",
        "Aphasia, Primary Progressive"
      ],
      "interventions": [
        {
          "name": "Learning of non-native phoneme combinations: 6 training sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Learning of non-native phoneme combinations: 1 training session",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Learning of novel multisyllabic nonwords",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Anodal tDCS",
          "type": "OTHER"
        },
        {
          "name": "Sham tDCS",
          "type": "OTHER"
        },
        {
          "name": "Learning of non-native phoneme combinations: 8 training sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Boston University Charles River Campus",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 278,
      "start_date": "2023-04-03",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05437159"
    },
    {
      "nct_id": "NCT01784224",
      "title": "A Comparison of the Blom Low Profile Voice Inner Cannula and the Passy-Muir One-Way Tracheotomy Tube Speaking Valve on Voice Production, Speech Intelligibility, and Biomechanical Swallowing Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mechanical Complication of Tracheostomy"
      ],
      "interventions": [
        {
          "name": "Blom Low Profile Voice Cannula/Passty-Muir Speaking Valves",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Yale University",
      "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": "2013-01",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2014-06-13",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01784224"
    },
    {
      "nct_id": "NCT06164717",
      "title": "Behavioral and Neural Characteristics of Adaptive Speech Motor Control",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech"
      ],
      "interventions": [
        {
          "name": "Auditory feedback perturbation during speech",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visual feedback perturbation during reaching",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DBS stimulation ON/OFF",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 507,
      "start_date": "2023-01-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06164717"
    },
    {
      "nct_id": "NCT06213376",
      "title": "MIT Intensive Treatment Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Aphasia",
        "Motor Speech"
      ],
      "interventions": [
        {
          "name": "Melodic Intonation Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video Feedback Performance Review",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nevada State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2023-12-28",
      "completion_date": "2024-02-23",
      "has_results": false,
      "last_update_posted_date": "2024-08-30",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Henderson, Nevada",
      "locations": [
        {
          "city": "Henderson",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06213376"
    },
    {
      "nct_id": "NCT02332915",
      "title": "Treatment Intensity - Apraxia of Speech",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphasia",
        "CVA",
        "Apraxia of Speech"
      ],
      "interventions": [
        {
          "name": "Sound Production Treatment (SPT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 36,
      "start_date": "2015-05-01",
      "completion_date": "2019-10-10",
      "has_results": true,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02332915"
    },
    {
      "nct_id": "NCT07180628",
      "title": "Organization and Development of Motor Cortical Circuits for Speech Production in Stuttering",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stutter",
        "Stuttering, Adult",
        "Stuttering",
        "Stuttering, Developmental"
      ],
      "interventions": [
        {
          "name": "Speech Production During functional magnetic resonance imaging (MRI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2026-04-24",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07180628"
    },
    {
      "nct_id": "NCT05216770",
      "title": "Understanding Disorder-specific Neural Pathophysiology in Laryngeal Dystonia and Voice Tremor",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Laryngeal Dystonia",
        "Spasmodic Dysphonia",
        "Tremor"
      ],
      "interventions": [
        {
          "name": "Brain imaging",
          "type": "OTHER"
        },
        {
          "name": "Laryngeal sensory block with topical bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "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": 165,
      "start_date": "2022-03-24",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-10-02T09:19:17.056Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216770"
    }
  ]
}