{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Voice+Alteration",
    "query": {
      "condition": "Voice Alteration"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T13:10:10.289Z",
  "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": "NCT06934265",
      "title": "PhoRTE® Therapy Efficacy: In-Person Versus Telehealth",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrophy of Vocal Cord",
        "Presbyphonia",
        "Dysphonia",
        "Glottic Insufficiency",
        "Voice Change",
        "Voice Disorder",
        "Adults",
        "Aging",
        "Speech Therapy",
        "Voice Alteration"
      ],
      "interventions": [
        {
          "name": "exuberant voice therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "54 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "54 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-01-25",
      "completion_date": "2026-10-25",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-06-10T13:10:10.289Z",
      "location_count": 4,
      "location_summary": "Arcadia, California • Beverly Hills, California • Glendale, California + 1 more",
      "locations": [
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06934265"
    },
    {
      "nct_id": "NCT07017595",
      "title": "Gender-affirming Voice Training With Visual Feedback",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transgender Women",
        "Voice Alteration"
      ],
      "interventions": [
        {
          "name": "Visual-acoustic biofeedback: experimental",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2025-06-05",
      "completion_date": "2025-07-18",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-06-10T13:10:10.289Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07017595"
    }
  ]
}