{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dim-light+control+condition",
    "query": {
      "intervention": "Dim-light control condition"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 16,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dim-light+control+condition&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T22:44:05.512Z",
  "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": "NCT00852592",
      "title": "Light Therapy for Bipolar Disorder. Efficacy of Light Therapy for Bipolar Depression: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Major Depressive Episode"
      ],
      "interventions": [
        {
          "name": "7000lux broad-spectrum light",
          "type": "DEVICE"
        },
        {
          "name": "50lux dim red light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern 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": 46,
      "start_date": "2009-05",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-11-07",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00852592"
    },
    {
      "nct_id": "NCT06104280",
      "title": "Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Post-Illumination Pupillary Response (PIPR)",
          "type": "OTHER"
        },
        {
          "name": "Polysomnography",
          "type": "OTHER"
        },
        {
          "name": "Multiple Sleep Latency Test",
          "type": "OTHER"
        },
        {
          "name": "Ecological Momentary Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Actigraphy",
          "type": "DEVICE"
        },
        {
          "name": "DLMO",
          "type": "OTHER"
        },
        {
          "name": "Melatonin Suppression Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-01-06",
      "completion_date": "2029-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06104280"
    },
    {
      "nct_id": "NCT06226025",
      "title": "Correcting Circadian Rhythms to Breakthrough in Bipolar Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bipolar Disorder",
        "Delayed Sleep-Wake Phase Disorder"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Behavioral sleep intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral sleep control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Leslie Swanson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-08-13",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06226025"
    },
    {
      "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": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04396002"
    },
    {
      "nct_id": "NCT07002554",
      "title": "Bright Light Therapy for Depressed Geriatric Inpatients",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unipolar Depression"
      ],
      "interventions": [
        {
          "name": "Bright light therapy",
          "type": "DEVICE"
        },
        {
          "name": "dim red light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-11-14",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07002554"
    },
    {
      "nct_id": "NCT07329283",
      "title": "Nighttime Synchrony of Your Nutrition and Circadian Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep",
        "Metabolism Changes",
        "Circadian Rhythm",
        "Lifestyle Factors",
        "Sleep Hygiene",
        "Sleep Hygiene, Inadequate",
        "Sleep Deprivation",
        "Insufficient Sleep",
        "Circadian Misalignment",
        "Circadian Dysregulation",
        "Light Exposure"
      ],
      "interventions": [
        {
          "name": "Central Clock Misalignment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peripheral Misalignment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-12-19",
      "completion_date": "2031-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07329283"
    },
    {
      "nct_id": "NCT07165340",
      "title": "Evaluation of Lymphatic Response to Physiotherapy in Patients With Swelling Associated With Superficial Venous Disease",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Venous Disease"
      ],
      "interventions": [
        {
          "name": "Indocyanine Green near infrared fluorescence imaging",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "advanced pneumatic compression",
          "type": "DEVICE"
        },
        {
          "name": "Duplex ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "compression wrap",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2025-09",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07165340"
    },
    {
      "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": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946530"
    },
    {
      "nct_id": "NCT06310135",
      "title": "Filtered Eyewear to Prevent Light-induced Melatonin Suppression - Aim 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Quality"
      ],
      "interventions": [
        {
          "name": "Filtered Eyewear",
          "type": "DEVICE"
        },
        {
          "name": "Unfiltered Eyewear",
          "type": "DEVICE"
        },
        {
          "name": "No Filters",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2024-05-01",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-05",
      "last_synced_at": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Menands, New York",
      "locations": [
        {
          "city": "Menands",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06310135"
    },
    {
      "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": "2026-09-09T22:44:05.512Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05820555"
    }
  ]
}