{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depressions%2C+Refractory",
    "query": {
      "condition": "Depressions, Refractory"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 241,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depressions%2C+Refractory&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T05:03:37.375Z",
  "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": "NCT04004169",
      "title": "Closed-Loop Deep Brain Stimulation for Major Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Stimulation-ON",
          "type": "DEVICE"
        },
        {
          "name": "Stimulation-OFF",
          "type": "DEVICE"
        },
        {
          "name": "Stimulation-ON Active Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andrew Krystal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "22 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-07-18",
      "completion_date": "2035-06-28",
      "has_results": false,
      "last_update_posted_date": "2023-05-01",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04004169"
    },
    {
      "nct_id": "NCT06938841",
      "title": "Maintenance rTMS for Depression (Maitr-De)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation (TMS) - Standard maintenance rTMS:",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Magnetic Stimulation (TMS) - Clustered maintenance rTMS:",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Magnetic Stimulation (TMS) -- Sham maintenance rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 75,
      "start_date": "2025-04-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 2,
      "location_summary": "San Diego, California • New York, New York",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06938841"
    },
    {
      "nct_id": "NCT00284791",
      "title": "Lamotrigine in Treatment Resistant Depression in Adolescents",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Depression"
      ],
      "interventions": [
        {
          "name": "Lamotrigine (drug)",
          "type": "DRUG"
        },
        {
          "name": "Fluoxetine (drug)",
          "type": "DRUG"
        },
        {
          "name": "sertraline (drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MaineHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "13 Years to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2006-01",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00284791"
    },
    {
      "nct_id": "NCT00762268",
      "title": "A Trial of SAMe for Treatment-Resistant Bipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Depression",
        "Bipolar Depression"
      ],
      "interventions": [
        {
          "name": "SAMe",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "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": 23,
      "start_date": "2008-09",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762268"
    },
    {
      "nct_id": "NCT04856124",
      "title": "Intranasal Esketamine to Maintain the Antidepressant Response to IV Racemic Ketamine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Intranasal esketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Psych Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-09-01",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Marietta, Georgia",
      "locations": [
        {
          "city": "Marietta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04856124"
    },
    {
      "nct_id": "NCT00565617",
      "title": "Epidural Cortical Stimulation for Depression",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Synergy, Epidural cortical stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 5,
      "start_date": "2007-10",
      "completion_date": "2028-12",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00565617"
    },
    {
      "nct_id": "NCT02974296",
      "title": "Neuroimaging in Patients Undergoing TMS for Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "transcranial magnetic stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 33,
      "start_date": "2017-04-30",
      "completion_date": "2019-08-20",
      "has_results": true,
      "last_update_posted_date": "2020-10-23",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02974296"
    },
    {
      "nct_id": "NCT00837486",
      "title": "Reclaim Deep Brain Stimulation Clinical Study for Treatment-Resistant Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Reclaim™ DBS System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "MedtronicNeuro",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2009-02",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2015-05-28",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 5,
      "location_summary": "Charlestown, Massachusetts • Cleveland, Ohio • Philadelphia, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00837486"
    },
    {
      "nct_id": "NCT06511908",
      "title": "Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suicide",
        "Depressive Disorder, Treatment-Resistant",
        "Ketamine",
        "Molecular Mechanisms of Pharmacological Action",
        "Neurotransmitter Agents",
        "Excitatory Amino Acid Agents",
        "Physiological Effects of Drugs",
        "Depressive Disorder, Major",
        "Depressive Disorder",
        "Depression",
        "Mental Disorders",
        "Mood Disorders",
        "Behavioral Symptoms"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-hydroxynorketamine (0.25 to 2.0 mg/kg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-11-06",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06511908"
    },
    {
      "nct_id": "NCT02971150",
      "title": "Treatment Resistant Depression and Insomnia in Older Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Resistant Depression",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Brief Behavioral Treatment for Insomnia",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Pittsburgh Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2016-04",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-01",
      "last_synced_at": "2026-07-23T05:03:37.375Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02971150"
    }
  ]
}