{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Color+Perception",
    "query": {
      "condition": "Color Perception"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Color+Perception&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T13:50:26.839Z",
  "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": "NCT06355999",
      "title": "Levari Exp.20: 2D - Partial Feedback",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Form Perception",
        "Color Perception",
        "Decision Making"
      ],
      "interventions": [
        {
          "name": "Color Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Shape Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 55,
      "start_date": "2021-05-01",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06355999"
    },
    {
      "nct_id": "NCT03407066",
      "title": "Perception, Sensation, Cognition and Action in Humans",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Physiology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "13 Years to 65 Years"
      },
      "enrollment_count": 10200,
      "start_date": "2019-03-26",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03407066"
    },
    {
      "nct_id": "NCT06036875",
      "title": "CARE: Cancer Risk Perception and Women of Color",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 324,
      "start_date": "2023-03-25",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Jacksonville, Florida",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06036875"
    },
    {
      "nct_id": "NCT02925884",
      "title": "Effects of Gunnar Computer Glasses on Viewing Comfort and Performance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye",
        "Eye Strain",
        "Visual Acuity",
        "Color Perception"
      ],
      "interventions": [
        {
          "name": "Gunnar OTC Glasses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pacific University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "ALL",
        "summary": "18 Years to 42 Years"
      },
      "enrollment_count": 35,
      "start_date": "2013-06",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2025-07-16",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Forest Grove, Oregon",
      "locations": [
        {
          "city": "Forest Grove",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02925884"
    },
    {
      "nct_id": "NCT02375659",
      "title": "Black Patients' Lived Experiences and Perceptions of Skin of Color Clinics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Perception of Skin of Color Clinics in African Americans"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2015-02",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02375659"
    },
    {
      "nct_id": "NCT04836286",
      "title": "Determining the Impact of Emotive Intelligent Spaces",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Color Perception"
      ],
      "interventions": [
        {
          "name": "Emotive Intelligent Spaces (EIS)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Idaho",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "3 Years to 6 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-04-01",
      "completion_date": "2022-06-21",
      "has_results": false,
      "last_update_posted_date": "2022-11-03",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Moscow, Idaho",
      "locations": [
        {
          "city": "Moscow",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04836286"
    },
    {
      "nct_id": "NCT01927536",
      "title": "Evaluating Color Perception Under LED Red/Green and Green Dominant Light",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Color Blindness, Acquired"
      ],
      "interventions": [
        {
          "name": "White LED Flashlight",
          "type": "DEVICE"
        },
        {
          "name": "Red/Green Green Dominant LED Flashlight",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "66 Years",
        "sex": "ALL",
        "summary": "18 Years to 66 Years"
      },
      "enrollment_count": 39,
      "start_date": "2013-04-23",
      "completion_date": "2019-01-10",
      "has_results": false,
      "last_update_posted_date": "2019-05-15",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01927536"
    },
    {
      "nct_id": "NCT02437305",
      "title": "Melanoma Perception and Health Literacy in People of Color",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "ABCDEs of Melanoma Skin Cancer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ABCDEs of Melanoma",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2015-05",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437305"
    },
    {
      "nct_id": "NCT03802019",
      "title": "Cigarette Packaging of Low Nicotine Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "LNC Cigarettes + Colored Packaging",
          "type": "OTHER"
        },
        {
          "name": "Own Brand",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 219,
      "start_date": "2019-09-18",
      "completion_date": "2025-08-27",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03802019"
    },
    {
      "nct_id": "NCT04991285",
      "title": "People of Color and Dermatology: A Deeper Look at Patients' Perceptions of Care and the Need for Greater Diversity in Dermatology",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dermatology"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 485,
      "start_date": "2021-08-06",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-14",
      "last_synced_at": "2026-06-10T13:50:26.839Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04991285"
    }
  ]
}