{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Treatment-Resistant+Major+Depressive+Disorder",
    "query": {
      "condition": "Treatment-Resistant Major Depressive Disorder"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Treatment-Resistant+Major+Depressive+Disorder&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T19:23:13.745Z",
  "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": "NCT04004169",
      "title": "Closed-Loop Deep Brain Stimulation for Major Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Stimulation-ON",
          "type": "DEVICE"
        },
        {
          "name": "Stimulation-OFF",
          "type": "DEVICE"
        },
        {
          "name": "Stimulation-ON Active Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andrew Krystal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "22 Years to 70 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-07-18",
      "completion_date": "2035-06-28",
      "has_results": false,
      "last_update_posted_date": "2023-05-01",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04004169"
    },
    {
      "nct_id": "NCT06938841",
      "title": "Maintenance rTMS for Depression (Maitr-De)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder",
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Transcranial Magnetic Stimulation (TMS) - Standard maintenance rTMS:",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Magnetic Stimulation (TMS) - Clustered maintenance rTMS:",
          "type": "DEVICE"
        },
        {
          "name": "Transcranial Magnetic Stimulation (TMS) -- Sham maintenance rTMS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "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": 75,
      "start_date": "2025-04-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 2,
      "location_summary": "San Diego, California • New York, New York",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06938841"
    },
    {
      "nct_id": "NCT07127913",
      "title": "Closed-Loop Deep Brain Stimulation for Treatment-Resistant Bipolar Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bipolar II Disorder",
        "Bipolar II Disorder, Most Recent Episode Major Depressive"
      ],
      "interventions": [
        {
          "name": "Device: Stimulation-ON",
          "type": "DEVICE"
        },
        {
          "name": "Device: Stimulation-OFF",
          "type": "DEVICE"
        },
        {
          "name": "Device: Stimulation -ON Active Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andrew Krystal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "22 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2025-07-16",
      "completion_date": "2035-06-28",
      "has_results": false,
      "last_update_posted_date": "2025-08-17",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07127913"
    },
    {
      "nct_id": "NCT00565617",
      "title": "Epidural Cortical Stimulation for Depression",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Synergy, Epidural cortical stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 5,
      "start_date": "2007-10",
      "completion_date": "2028-12",
      "has_results": true,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00565617"
    },
    {
      "nct_id": "NCT06511908",
      "title": "Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Suicide",
        "Depressive Disorder, Treatment-Resistant",
        "Ketamine",
        "Molecular Mechanisms of Pharmacological Action",
        "Neurotransmitter Agents",
        "Excitatory Amino Acid Agents",
        "Physiological Effects of Drugs",
        "Depressive Disorder, Major",
        "Depressive Disorder",
        "Depression",
        "Mental Disorders",
        "Mood Disorders",
        "Behavioral Symptoms"
      ],
      "interventions": [
        {
          "name": "(2R,6R)-hydroxynorketamine (0.25 to 2.0 mg/kg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "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": 50,
      "start_date": "2024-11-06",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06511908"
    },
    {
      "nct_id": "NCT01913535",
      "title": "Proof-of-Concept Trial of CERC-501 Augmentation of Antidepressant Therapy in Treatment-Resistant Depression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "CERC-501",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": "2013-09-12",
      "completion_date": "2016-01-22",
      "has_results": true,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Wichita, Kansas • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01913535"
    },
    {
      "nct_id": "NCT04437485",
      "title": "eIMPACT-DM Pilot Trial: Depression Treatment to Reduce Diabetes Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Depression",
        "Major Depressive Disorder",
        "Dysthymic Disorder",
        "Depressive Symptoms",
        "Type 2 Diabetes",
        "PreDiabetes",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "Good Days Ahead (GDA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Problem Solving Treatment in Primary Care (PST-PC)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Antidepressant Medications",
          "type": "DRUG"
        },
        {
          "name": "Active Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2020-10-14",
      "completion_date": "2022-08-29",
      "has_results": true,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04437485"
    },
    {
      "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": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06748950"
    },
    {
      "nct_id": "NCT02942368",
      "title": "Adaptive tDCS for Treatment-Resistant MDD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Depressive Disorder, Treatment-Resistant"
      ],
      "interventions": [
        {
          "name": "tDCS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 5,
      "start_date": "2017-04-14",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02942368"
    },
    {
      "nct_id": "NCT03079297",
      "title": "Rapid Antidepressant Effects of Leucine",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "L-Leucine",
          "type": "DRUG"
        },
        {
          "name": "Maltodextrin",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 16,
      "start_date": "2017-03-09",
      "completion_date": "2021-10-04",
      "has_results": true,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-07-22T19:23:13.745Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03079297"
    }
  ]
}