{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depression%2C+Endogenous",
    "query": {
      "condition": "Depression, Endogenous"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:39:03.190Z",
  "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": "NCT03051945",
      "title": "Endogenous Opioid Modulation by Ketamine",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Ketamine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "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": 0,
      "start_date": "2019-08",
      "completion_date": "2019-08-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-05-22T05:39:03.190Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03051945"
    },
    {
      "nct_id": "NCT06979154",
      "title": "Pilot Study of Personalized Aperiodic Transcranial Alternating Current Stimulation in Antenatal Depression (PandA-tACS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Antenatal Depression",
        "Major Depressive Disorder",
        "Major Depressive Disorder in Pregnancy",
        "Healthy Controls"
      ],
      "interventions": [
        {
          "name": "tACS (aperiodic)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2025-08-12",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-05-22T05:39:03.190Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06979154"
    },
    {
      "nct_id": "NCT01307475",
      "title": "Study of Quality of Life in Freeman-Sheldon Syndrome and Related Conditions",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthrogryposis",
        "Craniofacial Abnormalities",
        "Posttraumatic Stress Disorder",
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "PTSD Checklist-Specific",
          "type": "OTHER"
        },
        {
          "name": "Modified Flanagan Quality of Life Scale",
          "type": "OTHER"
        },
        {
          "name": "Center for Epidemiologic Studies Depression Scale",
          "type": "OTHER"
        },
        {
          "name": "Functional Enquiry Form",
          "type": "OTHER"
        },
        {
          "name": "Strength, Joint ROM, Girth and Length Measurements",
          "type": "OTHER"
        },
        {
          "name": "Study Physical Examination",
          "type": "OTHER"
        },
        {
          "name": "PTSD, Depression, and FSS-Focused Examination",
          "type": "OTHER"
        },
        {
          "name": "Freeman-Sheldon Specific Quality of Life Survey",
          "type": "OTHER"
        },
        {
          "name": "Lactate, Glucose, and Adenosine Triphosphate Blood Levels",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Freeman-Sheldon Research Group, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 6,
      "start_date": "2011-02",
      "completion_date": "2017-04-01",
      "has_results": false,
      "last_update_posted_date": "2017-04-04",
      "last_synced_at": "2026-05-22T05:39:03.190Z",
      "location_count": 1,
      "location_summary": "Buckhannon, West Virginia",
      "locations": [
        {
          "city": "Buckhannon",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01307475"
    },
    {
      "nct_id": "NCT04211467",
      "title": "A Non-Interventional Pilot Study to Explore the Role of Gut Flora in Depression",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Depression",
        "Clinical Depression",
        "Depression, Anxiety",
        "Depression, Postpartum",
        "Depression, Endogenous",
        "Depression in Remission",
        "Depression Chronic",
        "Depression Moderate",
        "Depression Severe"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "ProgenaBiome",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2020-03-02",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-05-22T05:39:03.190Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04211467"
    },
    {
      "nct_id": "NCT02069379",
      "title": "Endogenous Opioid Activity and Affective State in Insulin Resistant Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depression",
        "Insulin Resistance",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2014-07",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-08",
      "last_synced_at": "2026-05-22T05:39:03.190Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069379"
    }
  ]
}