{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Winter+Depression",
    "query": {
      "condition": "Winter Depression"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:16:39.430Z",
  "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": "NCT03691792",
      "title": "Optimizing Long-Term Outcomes for Winter Depression With CBT-SAD and Light Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy (CBT-SAD)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Light Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2018-09-01",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-06-03",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691792"
    },
    {
      "nct_id": "NCT01714050",
      "title": "Cognitive-behavioral Therapy vs. Light Therapy for Preventing SAD Recurrence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Affective Disorder (SAD)",
        "Winter Depression",
        "Major Depressive Disorder, Recurrent, With Seasonal Pattern"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy (CBT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Light Therapy (LT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 177,
      "start_date": "2008-07",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01714050"
    },
    {
      "nct_id": "NCT01462305",
      "title": "30-Minute Light Exposure for the Treatment of Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "goLITE",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Philips Respironics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "21 Years to 64 Years"
      },
      "enrollment_count": 35,
      "start_date": "2012-01-06",
      "completion_date": "2012-04-02",
      "has_results": true,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 4,
      "location_summary": "Belmont, Massachusetts • Boston, Massachusetts • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01462305"
    },
    {
      "nct_id": "NCT00016666",
      "title": "Clinical Trial of Propranolol for Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Affective Disorder",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 70,
      "start_date": "2001-05-21",
      "completion_date": "2007-01-19",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00016666"
    },
    {
      "nct_id": "NCT00269633",
      "title": "Research Study of Treatment for Winter Depression With Different Colors of Light",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Blue Light Box 467 nm",
          "type": "DEVICE"
        },
        {
          "name": "Red Light Box 657 nm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2006-11",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2016-03-28",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00269633"
    },
    {
      "nct_id": "NCT01292889",
      "title": "Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "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": 30,
      "start_date": "2008-10",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-07",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01292889"
    },
    {
      "nct_id": "NCT00046241",
      "title": "Prevention of Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-release bupropion hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2002-09",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2017-01-23",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 43,
      "location_summary": "Anchorage, Alaska • Hamden, Connecticut • Boise, Idaho + 37 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Hamden",
          "state": "Connecticut"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Edwardsville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00046241"
    },
    {
      "nct_id": "NCT00006517",
      "title": "Clinical Trials of Three Non-Drug Treatments for Winter Depression (SAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Affective Disorder",
        "Mood Disorders",
        "Depression"
      ],
      "interventions": [
        {
          "name": "bright light box",
          "type": "DEVICE"
        },
        {
          "name": "dawn simulator",
          "type": "DEVICE"
        },
        {
          "name": "high-output negative ion generator",
          "type": "DEVICE"
        },
        {
          "name": "low-output negative ion generator",
          "type": "DEVICE"
        },
        {
          "name": "dawn light pulse",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 150,
      "start_date": "1998-09",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006517"
    },
    {
      "nct_id": "NCT00809523",
      "title": "A Trial of Negative Ion Generation Versus Light-Emitting Diode Phototherapy for Seasonal Affective Disorder (SAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Negative Ion Generator",
          "type": "DEVICE"
        },
        {
          "name": "Light-emitting Photodiode light treatment device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "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": 106,
      "start_date": "2008-12",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2013-03-06",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 3,
      "location_summary": "New Haven, Connecticut • Rockville, Maryland • Belmont, Massachusetts",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00809523"
    },
    {
      "nct_id": "NCT00069459",
      "title": "Seasonal Affective Depression (SAD) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-release Bupropion Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2003-09-23",
      "completion_date": "2004-06-03",
      "has_results": false,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-05-22T05:16:39.430Z",
      "location_count": 48,
      "location_summary": "Anchorage, Alaska • Hamden, Connecticut • Newark, Delaware + 41 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Hamden",
          "state": "Connecticut"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00069459"
    }
  ]
}