{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depression&page=5&q=treatment-resistant+depression",
    "query": {
      "q": "treatment-resistant depression",
      "condition": "Depression",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 429,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depression&page=6&q=treatment-resistant+depression&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Depression&page=4&q=treatment-resistant+depression&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T14:57:33.212Z",
  "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": "NCT03887715",
      "title": "A Prospective, Multi-center, Randomized Controlled Blinded Trial Demonstrating the Safety and Effectiveness of VNS Therapy® System as Adjunctive Therapy Versus a No Stimulation Control in Subjects With Treatment-Resistant Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Vagus Nerve Stimulation (VNS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LivaNova",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6800,
      "start_date": "2019-09-26",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 101,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Burlingame, California + 85 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "Colton",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03887715"
    },
    {
      "nct_id": "NCT05838560",
      "title": "Dasatinib Plus Quercetin for Accelerated Aging in Mental Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia",
        "Treatment Resistant Depression",
        "Aging, Premature"
      ],
      "interventions": [
        {
          "name": "Dasatinib",
          "type": "DRUG"
        },
        {
          "name": "quercetin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-07-01",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05838560"
    },
    {
      "nct_id": "NCT00304746",
      "title": "AndroGel in Men With Major Depression and Incomplete Response to Antidepressant Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Depressive Disorder, Major"
      ],
      "interventions": [
        {
          "name": "Testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "30 Years to 65 Years · Male only"
      },
      "enrollment_count": 100,
      "start_date": "2006-04",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2010-11-24",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00304746"
    },
    {
      "nct_id": "NCT02502929",
      "title": "Diabetes Risk Reduction Through Eat, Walk, Sleep and Medication Therapy Management for Depressed Cambodians",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Social Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lifestyle",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lifestyle Plus Medication Therapy Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "35 Years to 75 Years"
      },
      "enrollment_count": 182,
      "start_date": "2015-11",
      "completion_date": "2020-09",
      "has_results": false,
      "last_update_posted_date": "2021-02-05",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 3,
      "location_summary": "Farmington, Connecticut • West Hartford, Connecticut • Providence, Rhode Island",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "West Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02502929"
    },
    {
      "nct_id": "NCT07623135",
      "title": "Lumateperone for Late-Life Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Treatment Resistant Depression (TRD)",
        "Late Life Depression (LLD)",
        "Depression / Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Lumateperone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eric Lenze",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-09-01",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 2,
      "location_summary": "Tucson, Arizona • St Louis, Missouri",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07623135"
    },
    {
      "nct_id": "NCT01031810",
      "title": "PET Biomarkers in Treatment Resistant Depression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "tranylcypromine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2009-11",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2014-09-18",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01031810"
    },
    {
      "nct_id": "NCT03276793",
      "title": "Brain Connectivity in Depression",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "MRI scan",
          "type": "OTHER"
        },
        {
          "name": "Behavioral testing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 260,
      "start_date": "2018-04-03",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-21",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Providence, Rhode Island",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03276793"
    },
    {
      "nct_id": "NCT05113771",
      "title": "A Biomarker-Guided, Randomized, Placebo-Controlled Efficacy and Safety Study of Liafensine in Patients With TRD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Liafensine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Denovo Biopharma LLC",
      "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": 197,
      "start_date": "2022-06-29",
      "completion_date": "2024-03-05",
      "has_results": true,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 41,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Garden Grove, California + 36 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Lafayette",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05113771"
    },
    {
      "nct_id": "NCT04856124",
      "title": "Intranasal Esketamine to Maintain the Antidepressant Response to IV Racemic Ketamine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Treatment Resistant Depression"
      ],
      "interventions": [
        {
          "name": "Intranasal esketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Psych Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-09-01",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 1,
      "location_summary": "Marietta, Georgia",
      "locations": [
        {
          "city": "Marietta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04856124"
    },
    {
      "nct_id": "NCT00104572",
      "title": "Effects of Aromatase Inhibition Versus Testosterone in Older Men With Low Testosterone: Randomized-Controlled Trial.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypogonadism",
        "Diabetes",
        "Sarcopenia",
        "Osteoporosis",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Androgel (Testosterone Gel)",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole (Aromatase Inhibitor)",
          "type": "DRUG"
        },
        {
          "name": "Placebo tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo gel",
          "type": "DRUG"
        },
        {
          "name": "Calcium Cardone 500mg with vitamin D 400 IU",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "65 Years and older · Male only"
      },
      "enrollment_count": 44,
      "start_date": "2004-03",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2018-11-06",
      "last_synced_at": "2026-10-07T14:57:33.212Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00104572"
    }
  ]
}