{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MDD&page=4",
    "query": {
      "condition": "MDD",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1611,
    "total_pages": 162,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MDD&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=MDD&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T12:46:23.812Z",
  "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": "NCT03765138",
      "title": "Combined Treatment of Prolonged Exposure and Pramipexole for Posttraumatic Stress Disorder and Depression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PTSD",
        "MDD"
      ],
      "interventions": [
        {
          "name": "PE/Pramipexole",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Research Foundation for Mental Hygiene, Inc.",
      "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": 1,
      "start_date": "2019-02-19",
      "completion_date": "2019-08-26",
      "has_results": true,
      "last_update_posted_date": "2019-11-26",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03765138"
    },
    {
      "nct_id": "NCT02196506",
      "title": "Study of the Safety and Efficacy of Fixed-dose Brexpiprazole (OPC-34712) as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder With and Without Anxious Distress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder",
        "Depression",
        "Depressive Disorder, Major",
        "Mood Disorders",
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "Placebo + ADT",
          "type": "DRUG"
        },
        {
          "name": "Brexpiprazole +ADT",
          "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": 837,
      "start_date": "2014-07",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2018-08-21",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Denver, Colorado + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02196506"
    },
    {
      "nct_id": "NCT00792168",
      "title": "Physiologic Monitoring of Antidepressant Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depression"
      ],
      "interventions": [
        {
          "name": "venlafaxine (Effexor)",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "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": 38,
      "start_date": "1996-11",
      "completion_date": "1998-12",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00792168"
    },
    {
      "nct_id": "NCT06705478",
      "title": "Pramipexole Versus Escitalopram to Treat Major Depressive Disorder (MDD) and Comorbid MDD With Mild Neurocognitive Disorder (MND) in Persons With HIV",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Mild Neurocognitive Disorder",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Pramipexole ER",
          "type": "DRUG"
        },
        {
          "name": "Escitalopram",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "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": 186,
      "start_date": "2026-05-17",
      "completion_date": "2026-12-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06705478"
    },
    {
      "nct_id": "NCT03881449",
      "title": "DIMES - DIgital MEdicine Study for Adults With Schizophrenia, Bipolar I Disorder, or Major Depression Currently Using Aripiprazole",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Major Depressive Disorder",
        "Bi-Polar Disorder",
        "Schizo Affective Disorder"
      ],
      "interventions": [
        {
          "name": "ABILIFY MYCITE",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Durham VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2019-04-04",
      "completion_date": "2021-11",
      "has_results": false,
      "last_update_posted_date": "2020-06-18",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03881449"
    },
    {
      "nct_id": "NCT07282678",
      "title": "Closed-Loop Transcranial Alternating Current Stimulation for the Treatment of Major Depressive Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression - Major Depressive Disorder",
        "Transcranial Alternating Current Stimulation"
      ],
      "interventions": [
        {
          "name": "Closed-loop tACS",
          "type": "DEVICE"
        },
        {
          "name": "Sham Comparator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pulvinar Neuro, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 214,
      "start_date": "2026-09",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07282678"
    },
    {
      "nct_id": "NCT05455684",
      "title": "A Study of Aticaprant as Adjunctive Therapy in Adult Participants With Major Depressive Disorder (MDD) With Moderate-to-severe Anhedonia and Inadequate Response to Current Antidepressant Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Depressive Disorder, Major",
        "Anhedonia"
      ],
      "interventions": [
        {
          "name": "Aticaprant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 513,
      "start_date": "2022-06-22",
      "completion_date": "2024-09-18",
      "has_results": true,
      "last_update_posted_date": "2025-11-06",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 46,
      "location_summary": "Tucson, Arizona • Anaheim, California • Culver City, California + 37 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05455684"
    },
    {
      "nct_id": "NCT03998748",
      "title": "Electrophysiological Correlates of Cognition in Depression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Sham Genetic Feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 80,
      "start_date": "2019-10-08",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2023-01-19",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03998748"
    },
    {
      "nct_id": "NCT01567943",
      "title": "Contingency Management of Alcohol Abuse in the Severely Mentally ILL",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Abuse",
        "Schizophrenia",
        "Bipolar Disorder",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "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": 123,
      "start_date": "2012-03",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01567943"
    },
    {
      "nct_id": "NCT06748950",
      "title": "Ketogenic Metabolic Therapy in Schizophrenia, Bipolar Disorder, Major Depressive Disorder: Deep Omic Profiling",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizophrenia and Related Disorders",
        "Bipolar Disorder",
        "Bipolar and Related Disorders",
        "Major Depressive Disorder",
        "Major Depression Severe",
        "Ketogenic Dieting",
        "Ketosis",
        "Metabolic Disease",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "LCHF Ketogenic Diet",
          "type": "OTHER"
        },
        {
          "name": "Diet-as-Usual (DAU)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "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": 120,
      "start_date": "2025-07",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-21T12:46:23.812Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06748950"
    }
  ]
}