{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Major+Depressive+Disorder+1",
    "query": {
      "condition": "Major Depressive Disorder 1"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 47,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Major+Depressive+Disorder+1&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T07:27:58.272Z",
  "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": "NCT01413932",
      "title": "Pharmacokinetics - Pharmacodynamic Study of HT-2157 in Healthy Subjects and in Patients With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteers (Part 1)",
        "Major Depressive Disorder (Part 2)"
      ],
      "interventions": [
        {
          "name": "HT-2157",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dart NeuroScience, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2011-07",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2015-12-16",
      "last_synced_at": "2026-07-22T07:27:58.272Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01413932"
    },
    {
      "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": "2026-07-22T07:27:58.272Z",
      "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": "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": "2026-07-22T07:27:58.272Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06671977"
    },
    {
      "nct_id": "NCT00250601",
      "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": 460,
      "start_date": "2005-04",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2012-02-17",
      "last_synced_at": "2026-07-22T07:27:58.272Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00250601"
    },
    {
      "nct_id": "NCT01670279",
      "title": "Phase 1 Study to Assess the Safety/Tolerability of Brexpiprazole as Adjunctive Therapy in Elderly Subjects With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Brexpiprazole",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "70 Years to 85 Years"
      },
      "enrollment_count": 18,
      "start_date": "2012-07",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2016-02-04",
      "last_synced_at": "2026-07-22T07:27:58.272Z",
      "location_count": 4,
      "location_summary": "Kissimmee, Florida • Miami, Florida • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Kissimmee",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01670279"
    },
    {
      "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": "2026-07-22T07:27:58.272Z",
      "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": "NCT03288714",
      "title": "Adaptive Design Study of NEST sTMS in Subjects With Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Disorder",
        "Depression",
        "Depressive Disorder, Major",
        "Depressive Episode",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Synchronized Transcranial Magnetic Stimulation (sTMS)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wave Neuroscience",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 121,
      "start_date": "2017-11-27",
      "completion_date": "2019-06-01",
      "has_results": true,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-07-22T07:27:58.272Z",
      "location_count": 14,
      "location_summary": "La Jolla, California • Los Angeles, California • Stanford, California + 11 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03288714"
    },
    {
      "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": "2026-07-22T07:27:58.272Z",
      "location_count": 1,
      "location_summary": "Lauderhill, Florida",
      "locations": [
        {
          "city": "Lauderhill",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04353921"
    },
    {
      "nct_id": "NCT05227209",
      "title": "A Clinical Trial to Determine the Long-term Safety and Tolerability of an Investigational Drug in People With Major Depressive Episode Associated With Bipolar I Disorder (Bipolar I Depression).",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Episodes, Bipolar I Depression"
      ],
      "interventions": [
        {
          "name": "SEP-4199 CR",
          "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": 64,
      "start_date": "2022-03-17",
      "completion_date": "2023-11-17",
      "has_results": true,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-07-22T07:27:58.272Z",
      "location_count": 25,
      "location_summary": "Huntsville, Alabama • Anaheim, California • Imperial, California + 22 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Imperial",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05227209"
    },
    {
      "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": "2026-07-22T07:27:58.272Z",
      "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"
    }
  ]
}