{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=1.+Major+Depressive+Disorder",
    "query": {
      "condition": "1. Major Depressive Disorder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 48,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=1.+Major+Depressive+Disorder&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T23:06:42.513Z",
  "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": "NCT01110902",
      "title": "Efficacy, Safety and Tolerability of Agomelatine Sublingual Tablets in the Treatment of Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Agomelatine (AGO178C)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 589,
      "start_date": "2010-05",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2020-12-24",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 43,
      "location_summary": "Birmingham, Alabama • Costa Mesa, California • El Centro, California + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01110902"
    },
    {
      "nct_id": "NCT04353921",
      "title": "PSIL201 Long-term Follow-up Study: Psilocybin or Niacin / Major Depressive Disorder",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "No intervention will be administered as part of this study.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Usona Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 26,
      "start_date": "2020-06-30",
      "completion_date": "2022-10-18",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 1,
      "location_summary": "Lauderhill, Florida",
      "locations": [
        {
          "city": "Lauderhill",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04353921"
    },
    {
      "nct_id": "NCT00250614",
      "title": "An Eight-week Study to Evaluate the Efficacy and Safety of Saredutant in Patients With Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Saredutant succinate (SR48968C)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "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": 452,
      "start_date": "2005-04",
      "completion_date": "2006-10",
      "has_results": false,
      "last_update_posted_date": "2010-06-09",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00250614"
    },
    {
      "nct_id": "NCT00644358",
      "title": "A One Year Open Label Study Assessing the Safety and Tolerability of Vilazodone in Patients With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "vilazodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 616,
      "start_date": "2007-12-31",
      "completion_date": "2009-05-31",
      "has_results": true,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 38,
      "location_summary": "Garden Grove, California • San Diego, California • Torrance, California + 34 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00644358"
    },
    {
      "nct_id": "NCT04711005",
      "title": "Phase 1 Evaluation of (2R,6R)-Hydroxynorketamine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-Hydroxynorketamine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 74,
      "start_date": "2021-01-11",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-06",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04711005"
    },
    {
      "nct_id": "NCT06671977",
      "title": "Study of the Safety, Tolerability, Electrophysiological Effects and Efficacy of DMT in Humans",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depression Disorder",
        "Depression"
      ],
      "interventions": [
        {
          "name": "DMT-Medium Dose",
          "type": "DRUG"
        },
        {
          "name": "DMT-Low Dose",
          "type": "DRUG"
        },
        {
          "name": "THC-Medium Dose",
          "type": "DRUG"
        },
        {
          "name": "THC-Low Dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Deepak C. D'Souza",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-03-14",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06671977"
    },
    {
      "nct_id": "NCT06740383",
      "title": "Biomarkers/Biotypes, Course of Early Psychosis and Specialty Services",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia Spectrum and Other Psychotic Disorders",
        "Schizophrenia",
        "Delusional Disorder",
        "Bipolar 1 Disorder",
        "Schizoaffective Disorder",
        "Psychosis Not Otherwise Specified",
        "Early Psychosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 320,
      "start_date": "2023-01-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 6,
      "location_summary": "Hartford, Connecticut • Athens, Georgia • Chicago, Illinois + 3 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06740383"
    },
    {
      "nct_id": "NCT02722967",
      "title": "Exploratory Trial to Assess the Functionality of an Integrated Call Center for the Digital Medicine System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia",
        "Major Depressive Disorder",
        "Bipolar I Disorder"
      ],
      "interventions": [
        {
          "name": "Aripiprazole + IEM (Ingestible Event Marker)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "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": 49,
      "start_date": "2016-03",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2018-05-23",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 4,
      "location_summary": "Granada Hills, California • Rochester, New York • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02722967"
    },
    {
      "nct_id": "NCT03864614",
      "title": "A Study to Evaluate SAGE-217 in Adult Participants With Major Depressive Disorder (MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "SAGE-217",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biogen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1515,
      "start_date": "2019-02-27",
      "completion_date": "2023-06-22",
      "has_results": true,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 52,
      "location_summary": "Dothan, Alabama • Phoenix, Arizona • Anaheim, California + 43 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03864614"
    },
    {
      "nct_id": "NCT05169710",
      "title": "A Clinical Study of an Investigational Drug for the Treatment of Major Depressive Episode Associated With Bipolar I Disorder.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Episodes, Bipolar I Depression"
      ],
      "interventions": [
        {
          "name": "SEP-4199 CR 200 mg",
          "type": "DRUG"
        },
        {
          "name": "SEP-4199 CR 400 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "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": 83,
      "start_date": "2021-12-21",
      "completion_date": "2023-10-18",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-07-23T23:06:42.513Z",
      "location_count": 34,
      "location_summary": "Huntsville, Alabama • Bryant, Arkansas • Anaheim, California + 30 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Bryant",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05169710"
    }
  ]
}