{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tinnitus+Retraining+Therapy",
    "query": {
      "intervention": "Tinnitus Retraining Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T12:09:37.003Z",
  "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": "NCT00578058",
      "title": "Randomized Trial Of Tinnitus Retraining Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Counseling and Sound Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2004-01",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2011-08-03",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 4,
      "location_summary": "Iowa City, Iowa • Ann Arbor, Michigan • Buffalo, New York + 1 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Johnson City",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00578058"
    },
    {
      "nct_id": "NCT00013390",
      "title": "Evaluation of Treatment Methods for Clinically Significant Tinnitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Tinnitus Masking",
          "type": "PROCEDURE"
        },
        {
          "name": "Tinnitus Retraining Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "1999-10",
      "completion_date": "2002-09",
      "has_results": false,
      "last_update_posted_date": "2011-05-18",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013390"
    },
    {
      "nct_id": "NCT00124800",
      "title": "The Effect of Tinnitus Retraining Therapy on Subjective and Objective Measures of Chronic Tinnitus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Tinnitus retraining therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sound therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Tinnitus Research Consortium",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 41,
      "start_date": "2005-11",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2009-09-24",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 1,
      "location_summary": "Springfield, Illinois",
      "locations": [
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00124800"
    },
    {
      "nct_id": "NCT01177137",
      "title": "Tinnitus Retraining Therapy Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Subjective Tinnitus"
      ],
      "interventions": [
        {
          "name": "Conventional sound generator (SG)",
          "type": "DEVICE"
        },
        {
          "name": "Placebo sound generator (placebo SG)",
          "type": "DEVICE"
        },
        {
          "name": "Standard of Care (SC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Directive Counseling (DC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 151,
      "start_date": "2011-07",
      "completion_date": "2017-02",
      "has_results": true,
      "last_update_posted_date": "2018-11-21",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 6,
      "location_summary": "Camp Pendleton, California • San Diego, California • Travis Air Force Base, California + 3 more",
      "locations": [
        {
          "city": "Camp Pendleton",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Travis Air Force Base",
          "state": "California"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Lackland Air Force Base",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01177137"
    },
    {
      "nct_id": "NCT00235807",
      "title": "Multi-Site Randomized Clinical Study of Tinnitus Treatment Methods",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tinnitus"
      ],
      "interventions": [
        {
          "name": "Tinnitus Masking",
          "type": "PROCEDURE"
        },
        {
          "name": "Tinnitus Retraining Therapy (TRT)",
          "type": "PROCEDURE"
        },
        {
          "name": "Tinnitus Education (TED)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 144,
      "start_date": "2004-06",
      "completion_date": "2006-11",
      "has_results": false,
      "last_update_posted_date": "2011-03-24",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00235807"
    },
    {
      "nct_id": "NCT00890526",
      "title": "Intervention for Reduced Sound Tolerance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperacusis"
      ],
      "interventions": [
        {
          "name": "Sound Therapy (Tinnitus Retraining Therapy)",
          "type": "OTHER"
        },
        {
          "name": "Counseling (Tinnitus Retraining Therapy)",
          "type": "OTHER"
        },
        {
          "name": "No Counseling",
          "type": "OTHER"
        },
        {
          "name": "Placebo Sound Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama, Tuscaloosa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 36,
      "start_date": "2002-07",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2012-06-21",
      "last_synced_at": "2026-09-10T12:09:37.003Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00890526"
    }
  ]
}