{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phototherapy+%28Bright+Light%29&page=3",
    "query": {
      "intervention": "Phototherapy (Bright Light)",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 146,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phototherapy+%28Bright+Light%29&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phototherapy+%28Bright+Light%29&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T23:04:16.468Z",
  "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": "NCT00333619",
      "title": "Non-Pharmacological Interventions on Sleep in Post-Acute Rehabilitation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorders"
      ],
      "interventions": [
        {
          "name": "Nonpharmacological sleep intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 219,
      "start_date": "2007-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-24",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "Sepulveda, California",
      "locations": [
        {
          "city": "Sepulveda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00333619"
    },
    {
      "nct_id": "NCT02240498",
      "title": "Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Abscess"
      ],
      "interventions": [
        {
          "name": "Methylene Blue",
          "type": "DRUG"
        },
        {
          "name": "20% I.V. Fat Emulsion",
          "type": "DRUG"
        },
        {
          "name": "Insertion of optical fiber",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 5 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 10 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 15 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 20 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 25 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Laser illumination, 30 minutes",
          "type": "DEVICE"
        },
        {
          "name": "Optical spectroscopy measurement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2014-09",
      "completion_date": "2023-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240498"
    },
    {
      "nct_id": "NCT00946530",
      "title": "Light Treatment for Sleep/Wake Disturbances in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Bright light",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "55 Years to 100 Years"
      },
      "enrollment_count": 118,
      "start_date": "2004-09",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2018-10-03",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946530"
    },
    {
      "nct_id": "NCT03167372",
      "title": "Pilot Comparison of N-of-1 Trials of Light Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Health Behavior",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Litebook® Advantage",
          "type": "OTHER"
        },
        {
          "name": "Fitbit Flex2 TM",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-09-06",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03167372"
    },
    {
      "nct_id": "NCT06963463",
      "title": "Transdiagnostic Sleep and Circadian Intervention + Bright Light in Adolescents With Elevated Depression (TranS-C+BL)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Sleep",
        "Depression",
        "Suicide"
      ],
      "interventions": [
        {
          "name": "TranS-C",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 90,
      "start_date": "2025-05-06",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06963463"
    },
    {
      "nct_id": "NCT01873794",
      "title": "Treating Cancer-Related Fatigue Through Systematic Light Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation",
        "Breast Cancer",
        "Fatigue",
        "Mild Cognitive Impairment",
        "Light",
        "Quality of Life",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Bright white light",
          "type": "DEVICE"
        },
        {
          "name": "Dim red light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2012-01",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 2,
      "location_summary": "Hackensack, New Jersey • New York, New York",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01873794"
    },
    {
      "nct_id": "NCT01175993",
      "title": "Effects of Rapid-Resisted Exercise and Bright Light Therapy on Ambulatory Adults With Traumatic Brain Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adult",
        "Traumatic Brain Injury",
        "fMRI"
      ],
      "interventions": [
        {
          "name": "Elliptical exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "18 Years to 44 Years"
      },
      "enrollment_count": 34,
      "start_date": "2011-08-24",
      "completion_date": "2014-02-04",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01175993"
    },
    {
      "nct_id": "NCT04597086",
      "title": "Bright White Light Therapy for the Improvement of Sleep, Fatigue, Distress, Depression, and Anxiety in Hospitalized Leukemia Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Leukemia",
        "Recurrent Leukemia",
        "Refractory Leukemia"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Bright White Light Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 74,
      "start_date": "2020-09-14",
      "completion_date": "2023-01-13",
      "has_results": false,
      "last_update_posted_date": "2023-04-07",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597086"
    },
    {
      "nct_id": "NCT02691000",
      "title": "The Light Heart Study: Daily Light Box Use for Depressive Symptoms in Patients With Stage B Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Stage B Heart Failure"
      ],
      "interventions": [
        {
          "name": "LiteBook",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2015-09",
      "completion_date": "2018-09",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02691000"
    },
    {
      "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": "2026-10-05T23:04:16.468Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02750631"
    }
  ]
}