{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Major+Depressive+Disorders&page=19",
    "query": {
      "condition": "Major Depressive Disorders",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 1753,
    "total_pages": 176,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Major+Depressive+Disorders&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Major+Depressive+Disorders&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T09:10:24.794Z",
  "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": "NCT04951609",
      "title": "A Study of Seltorexant as Adjunctive Therapy to Antidepressants in Adolescents With Major Depressive Disorder Who Have an Inadequate Response to Selective Serotonin Reuptake Inhibitor (SSRI) and Psychotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Seltorexant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 31,
      "start_date": "2021-09-02",
      "completion_date": "2024-04-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Anaheim, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04951609"
    },
    {
      "nct_id": "NCT03097133",
      "title": "54135419SUI3002: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Esketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 230,
      "start_date": "2017-06-15",
      "completion_date": "2019-04-11",
      "has_results": true,
      "last_update_posted_date": "2025-04-29",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 18,
      "location_summary": "San Diego, California • Farmington, Connecticut • Miami, Florida + 14 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03097133"
    },
    {
      "nct_id": "NCT00825799",
      "title": "Serum Markers as a Bioassay for Unipolar Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Steward St. Elizabeth's Medical Center of Boston, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 160,
      "start_date": "2007-11",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2014-01-03",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00825799"
    },
    {
      "nct_id": "NCT01659814",
      "title": "Dopamine Neurotransmission in Major Depression",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depressive Disorder",
        "Anhedonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 71,
      "start_date": "2011-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-04-23",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 2,
      "location_summary": "Belmont, Massachusetts • Boston, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01659814"
    },
    {
      "nct_id": "NCT00479726",
      "title": "Lilly's Emotional and Physical Symptoms of Depression Study (LEAPS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "duloxetine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8000,
      "start_date": "2004-08",
      "completion_date": "2005-01",
      "has_results": false,
      "last_update_posted_date": "2007-05-28",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00479726"
    },
    {
      "nct_id": "NCT04467164",
      "title": "Vagus Nerve Stimulation: Integration of Behavior and Cardiac Modulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "exhalatory-gated transcutaneous vagus nerve stimulation (e-RAVANS)",
          "type": "OTHER"
        },
        {
          "name": "Inhalatory-gated transcutaneous vagus nerve stimulation (i-RAVANS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 40 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2015-04-15",
      "completion_date": "2018-09-22",
      "has_results": true,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467164"
    },
    {
      "nct_id": "NCT02992158",
      "title": "Feasibility of a Behavioral Activation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "behavioral activation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "treatment-as-usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2016-03",
      "completion_date": "2019-11",
      "has_results": false,
      "last_update_posted_date": "2020-03-25",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02992158"
    },
    {
      "nct_id": "NCT00049972",
      "title": "Major Depressive Disorder Study In Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "paroxetine CR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 646,
      "start_date": "2002-09",
      "completion_date": "2003-09",
      "has_results": false,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Fairfield, Alabama • Mobile, Alabama + 63 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fairfield",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00049972"
    },
    {
      "nct_id": "NCT03016572",
      "title": "Promote Access to Stop Suicide: Comparison of Follow up Services for Youth at Risk for Suicide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide",
        "Depressive Disorder, Major",
        "Anxiety Disorders",
        "Suicidal Ideation",
        "Suicidal Impulses"
      ],
      "interventions": [
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Crisis Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wraparound Services",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 65,
      "start_date": "2017-05-04",
      "completion_date": "2021-08-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016572"
    },
    {
      "nct_id": "NCT03977675",
      "title": "The Role of HNKs in the Antidepressant Effect of Ketamine",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "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": 8,
      "start_date": "2019-05-15",
      "completion_date": "2020-07-02",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-10-27T09:10:24.794Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03977675"
    }
  ]
}