{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=bright+light",
    "query": {
      "intervention": "bright light"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 146,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=bright+light&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T12:03:55.434Z",
  "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": "NCT03684460",
      "title": "Daytime Bright Light, Circadian Abnormalities, and Delirium in Medical ICU Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Daytime Bright Light",
          "type": "DEVICE"
        },
        {
          "name": "Usual Light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2019-07-08",
      "completion_date": "2024-03-28",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03684460"
    },
    {
      "nct_id": "NCT02750631",
      "title": "Out-patient Wake Therapy, Light Therapy and Sleep Phase Advance for Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unipolar Depression"
      ],
      "interventions": [
        {
          "name": "Triple Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "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": 30,
      "start_date": "2014-04",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-08-29",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02750631"
    },
    {
      "nct_id": "NCT05917119",
      "title": "Bright Light Therapy for OSA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "BLT",
          "type": "OTHER"
        },
        {
          "name": "s-BLT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-10-26",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05917119"
    },
    {
      "nct_id": "NCT01119365",
      "title": "Bright Light as a Countermeasure for Circadian Desynchrony",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Bright light",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Palo Alto Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 300,
      "start_date": "2011-07",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2022-04-06",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119365"
    },
    {
      "nct_id": "NCT04054050",
      "title": "Bright Light Therapy for Sleep Disturbance in People With Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Light therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2021-02-22",
      "completion_date": "2026-01-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04054050"
    },
    {
      "nct_id": "NCT06694441",
      "title": "Noradrenergic Dysregulation, Sleep and Cognition in Older Adults With Insomnia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Light Exposure",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2024-09-30",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06694441"
    },
    {
      "nct_id": "NCT07488195",
      "title": "A Study Of Phototherapy In Patients With Dementia To Improve BPSD",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dementia"
      ],
      "interventions": [
        {
          "name": "Phototherapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2026-08-15",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07488195"
    },
    {
      "nct_id": "NCT06627504",
      "title": "Type 1 Diabetes REst for Metabolic Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes (T1D)",
        "Sleep Health"
      ],
      "interventions": [
        {
          "name": "Sleep Health and Circadian Timing Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-08-12",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06627504"
    },
    {
      "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": "2026-09-02T12:03:55.434Z",
      "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": "NCT01542983",
      "title": "Prophylactic Treatment of Sleep/Fatigue Before and During Chemotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage, Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Brief behavioral treatment for insomnia and bright light",
          "type": "BEHAVIORAL"
        },
        {
          "name": "treatment as usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2012-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-09-02T12:03:55.434Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01542983"
    }
  ]
}