{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stuttering%2C+Developmental",
    "query": {
      "condition": "Stuttering, Developmental"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stuttering%2C+Developmental&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:13:59.408Z",
  "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": "NCT03437512",
      "title": "Non-invasive Brain Stimulation in Adults Who Stutter",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stuttering, Developmental"
      ],
      "interventions": [
        {
          "name": "Anodal tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Fluency training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 29,
      "start_date": "2018-06-25",
      "completion_date": "2020-04-01",
      "has_results": true,
      "last_update_posted_date": "2021-04-29",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437512"
    },
    {
      "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": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07180628"
    },
    {
      "nct_id": "NCT05437159",
      "title": "Investigating Speech Sequencing in Neurotypical Speakers and Persons With Disordered Speech",
      "overall_status": "RECRUITING",
      "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": "DEVICE"
        },
        {
          "name": "Sham tDCS",
          "type": "DEVICE"
        },
        {
          "name": "Learning of non-native phoneme combinations: 8 training sessions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "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": 2,
      "start_date": "2023-04-03",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "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": "NCT06740968",
      "title": "Transcranial Alternating Current Stimulation (tACS) in Stuttering",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stuttering, Adult",
        "Stuttering, Childhood",
        "Stuttering, Developmental"
      ],
      "interventions": [
        {
          "name": "transcranial alternating current stimulation (tACS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 80,
      "start_date": "2025-08-05",
      "completion_date": "2029-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06740968"
    },
    {
      "nct_id": "NCT00004991",
      "title": "Study of Brain Activity During Speech Production and Speech Perception",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Developmental Articulation Disorder",
        "Stuttering"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "6 Years to 65 Years"
      },
      "enrollment_count": 411,
      "start_date": "2000-03-14",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004991"
    },
    {
      "nct_id": "NCT00239915",
      "title": "Safety and Efficacy Study of the Investigational Drug Pagoclone, in the Treatment of Persistent Developmental Stuttering (PDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Persistent Developmental Stuttering"
      ],
      "interventions": [
        {
          "name": "Pagoclone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmacology Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": null,
      "start_date": "2005-04",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-09",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00239915"
    },
    {
      "nct_id": "NCT01684657",
      "title": "A Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Tolerability of Asenapine With Flexible Dosing From 5mg to 20mg in Adults With Developmental Stuttering",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stuttering"
      ],
      "interventions": [
        {
          "name": "Asenapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 32,
      "start_date": "2012-09",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Orange, California",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01684657"
    },
    {
      "nct_id": "NCT00001602",
      "title": "Genetic Factors Related to Stuttering",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stuttering"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 500,
      "start_date": "1996-10",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001602"
    },
    {
      "nct_id": "NCT00024960",
      "title": "Dopamine Function in Developmental Stuttering",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Developmental Stuttering"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute on Deafness and Other Communication Disorders (NIDCD)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 12,
      "start_date": "2001-10-03",
      "completion_date": "2010-10-29",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00024960"
    },
    {
      "nct_id": "NCT00216255",
      "title": "EXPRESS: Examining Pagoclone for Persistent Developmental Stuttering Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Persistent Developmental Stuttering"
      ],
      "interventions": [
        {
          "name": "Pagoclone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2005-04",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-09-03",
      "last_synced_at": "2026-05-22T09:13:59.408Z",
      "location_count": 16,
      "location_summary": "Peoria, Arizona • Orange, California • Riverside, California + 13 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00216255"
    }
  ]
}