{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=dim+light&page=2",
    "query": {
      "intervention": "dim light",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=dim+light&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T11:54:28.906Z",
  "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": "NCT02954809",
      "title": "Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fatigue",
        "Sleep Disturbance",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Morning bright light therapy",
          "type": "DEVICE"
        },
        {
          "name": "Dim light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2016-10",
      "completion_date": "2018-01",
      "has_results": true,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02954809"
    },
    {
      "nct_id": "NCT03794908",
      "title": "Light Treatment to Improve Symptom Management of Fibromyalgia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia",
        "FMS"
      ],
      "interventions": [
        {
          "name": "Light therapy A (Bright) via the Re-Timer®",
          "type": "DEVICE"
        },
        {
          "name": "Light therapy B (Dim) via the Re-Timer®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2019-01-31",
      "completion_date": "2021-07-15",
      "has_results": true,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03794908"
    },
    {
      "nct_id": "NCT04291014",
      "title": "Light Therapy for PD - Dose Selection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease",
        "Sleep Disorder",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "SunRay Light Boxes",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2020-09-11",
      "completion_date": "2023-01-10",
      "has_results": true,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Irvine, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291014"
    },
    {
      "nct_id": "NCT03188263",
      "title": "Morning Light Treatment to Improve Glucose Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Bright Light",
          "type": "OTHER"
        },
        {
          "name": "Dim Light",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-09-05",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-01-20",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03188263"
    },
    {
      "nct_id": "NCT02677987",
      "title": "The \"Light for the Brain\" Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplantation",
        "Cognitive Impairments",
        "Sleep",
        "Depression",
        "Fatigue",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Intervention systematic light exposure",
          "type": "DEVICE"
        },
        {
          "name": "Comparison systematic light exposure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2016-04",
      "completion_date": "2021-03",
      "has_results": true,
      "last_update_posted_date": "2022-04-18",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02677987"
    },
    {
      "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": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946530"
    },
    {
      "nct_id": "NCT02373189",
      "title": "Bright Light Treatment At Home To Manage Chronic Pain In U.S. Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Bright light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Rush University Medical Center",
      "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": 37,
      "start_date": "2014-08",
      "completion_date": "2018-02",
      "has_results": true,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02373189"
    },
    {
      "nct_id": "NCT05820555",
      "title": "The Goodnight Screen Media Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Sleep Hygiene"
      ],
      "interventions": [
        {
          "name": "Timed evening technology and digital media use (tablet use)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "no technology and digital media use (screen media use)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "48 Months",
        "maximum_age": "59 Months",
        "sex": "ALL",
        "summary": "48 Months to 59 Months"
      },
      "enrollment_count": 170,
      "start_date": "2023-04-24",
      "completion_date": "2026-05-16",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05820555"
    },
    {
      "nct_id": "NCT04396002",
      "title": "Glaucoma, Visual Field Loss, and Their Association With Life Space in Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Open Angle Glaucoma"
      ],
      "interventions": [
        {
          "name": "Life Space Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Low Luminance Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Contrast sensitivity under dim illumination",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual field under dim illumination (MAIA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Macular Pigment Optical Density (MPOD)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dark Adaptation",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-06-01",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04396002"
    },
    {
      "nct_id": "NCT06496477",
      "title": "Light Therapy to Treat Depression in Pediatric Stem Cell Therapy Recipients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic Stem Cell Transplant"
      ],
      "interventions": [
        {
          "name": "Ayo wearable",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2026-04",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-11T11:54:28.906Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06496477"
    }
  ]
}