{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Affective+Disorder+%28SAD%29",
    "query": {
      "condition": "Seasonal Affective Disorder (SAD)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Affective+Disorder+%28SAD%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T11:53:21.915Z",
  "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": "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": "2026-06-10T11:53:21.915Z",
      "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": "NCT00076245",
      "title": "Cognitive Behavioral Therapy for the Treatment of Seasonal Affective Disorder (SAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Seasonal Affective Disorder",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Light Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive behavioral therapy (CBT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Henry M. Jackson Foundation for the Advancement of Military Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2002-11",
      "completion_date": "2005-11",
      "has_results": true,
      "last_update_posted_date": "2014-06-25",
      "last_synced_at": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076245"
    },
    {
      "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": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691792"
    },
    {
      "nct_id": "NCT00001485",
      "title": "Effects of Season on Melatonin Secretion in Healthy Men and Women and Patients With Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 116,
      "start_date": "1995-06",
      "completion_date": "2000-04",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001485"
    },
    {
      "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": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00016666"
    },
    {
      "nct_id": "NCT00502320",
      "title": "Ramelteon in the Treatment of Sleep and Mood in Patients With Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Ramelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lehigh Valley 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": 50,
      "start_date": "2006-09",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2009-10-06",
      "last_synced_at": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "Allentown, Pennsylvania",
      "locations": [
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00502320"
    },
    {
      "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": "2026-06-10T11:53:21.915Z",
      "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": "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": "2026-06-10T11:53:21.915Z",
      "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": "NCT00139997",
      "title": "Environmental Treatment for Seasonal Affective Disorder (SAD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Seasonal Affective Disorder"
      ],
      "interventions": [
        {
          "name": "Litebook treatment devices",
          "type": "DEVICE"
        },
        {
          "name": "Inactivated negative ion generator",
          "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": 26,
      "start_date": "2002-01",
      "completion_date": "2005-08",
      "has_results": true,
      "last_update_posted_date": "2013-03-06",
      "last_synced_at": "2026-06-10T11:53:21.915Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00139997"
    },
    {
      "nct_id": "NCT00046449",
      "title": "Prevention of Seasonal Affective Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Affective Disorder (SAD)"
      ],
      "interventions": [
        {
          "name": "Investigational Seasonal Affective Disorder (SAD) Drug",
          "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": null,
      "start_date": "2002-09",
      "completion_date": "2003-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-06-10T11:53:21.915Z",
      "location_count": 47,
      "location_summary": "Homer, Alaska • New Haven, Connecticut • Newark, Delaware + 39 more",
      "locations": [
        {
          "city": "Homer",
          "state": "Alaska"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00046449"
    }
  ]
}