{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Color+Vision+Defects&page=2",
    "query": {
      "condition": "Color Vision Defects",
      "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?condition=Color+Vision+Defects&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T22:44:10.743Z",
  "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": "NCT05650697",
      "title": "Topical CBD Scar Outcomes Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Forehead; Wound"
      ],
      "interventions": [
        {
          "name": "Group 1 cannabidiol (CBD) with silicone ointment",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Group 2 silicone patch",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 22,
      "start_date": "2026-09",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-01",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05650697"
    },
    {
      "nct_id": "NCT05463016",
      "title": "Impact of Color Correcting Lenses on Color Vision Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Color Blindness",
        "Color Vision Defects",
        "Color Blindness, Green",
        "Color Blindness, Red"
      ],
      "interventions": [
        {
          "name": "Experimental Group 1: Color Correcting Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Group 1: Placebo Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Group 1 Crosses over to become Experimental Group 2: Color Correcting Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Experimental Group 1 Crosses over to become Placebo Group 2: Placebo Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Color Correcting Lenses in Subjects with Normal Color Vision",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of the Incarnate Word",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2022-07-28",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-03",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05463016"
    },
    {
      "nct_id": "NCT01648452",
      "title": "CNTF Implants for CNGB3 Achromatopsia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Eye Disease",
        "Achromatopsia"
      ],
      "interventions": [
        {
          "name": "NT-501 CNTF-releasing implant",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2012-07",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01648452"
    },
    {
      "nct_id": "NCT02435940",
      "title": "Inherited Retinal Degenerative Disease Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eye Diseases Hereditary",
        "Retinal Disease",
        "Achromatopsia",
        "Bardet-Biedl Syndrome",
        "Bassen-Kornzweig Syndrome",
        "Batten Disease",
        "Best Disease",
        "Choroidal Dystrophy",
        "Choroideremia",
        "Cone Dystrophy",
        "Cone-Rod Dystrophy",
        "Congenital Stationary Night Blindness",
        "Enhanced S-Cone Syndrome",
        "Fundus Albipunctatus",
        "Goldmann-Favre Syndrome",
        "Gyrate Atrophy",
        "Juvenile Macular Degeneration",
        "Kearns-Sayre Syndrome",
        "Leber Congenital Amaurosis",
        "Refsum Syndrome",
        "Retinitis Pigmentosa",
        "Retinitis Punctata Albescens",
        "Retinoschisis",
        "Rod-Cone Dystrophy",
        "Rod Dystrophy",
        "Rod Monochromacy",
        "Stargardt Disease",
        "Usher Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Foundation Fighting Blindness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20000,
      "start_date": "2014-06",
      "completion_date": "2037-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Columbia, Maryland",
      "locations": [
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02435940"
    },
    {
      "nct_id": "NCT04041232",
      "title": "PBA Use for Treatment of ATF6-/- Patients",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "ACHROMATOPSIA 7",
        "Achromatopsia"
      ],
      "interventions": [
        {
          "name": "PBA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2025-04-08",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-09-12",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04041232"
    },
    {
      "nct_id": "NCT03001310",
      "title": "Gene Therapy for Achromatopsia (CNGB3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Achromatopsia"
      ],
      "interventions": [
        {
          "name": "AAV - CNGB3",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MeiraGTx UK II Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2017-01-16",
      "completion_date": "2019-10-25",
      "has_results": true,
      "last_update_posted_date": "2023-03-08",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03001310"
    },
    {
      "nct_id": "NCT04197102",
      "title": "Use of CBD Oil in the Treatment of Posttraumatic Stress Disorder",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "CBD Isolate",
          "type": "DRUG"
        },
        {
          "name": "CBD Broad Spectrum",
          "type": "OTHER"
        },
        {
          "name": "Placebo oil",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2020-01-15",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2023-11-22",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04197102"
    },
    {
      "nct_id": "NCT01846052",
      "title": "Clinical and Genetic Characterization of Individuals With Achromatopsia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Achromatopsia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Beacon Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2013-06",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida • Miami, Florida • Chicago, Illinois + 2 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01846052"
    },
    {
      "nct_id": "NCT02935517",
      "title": "Safety and Efficacy Trial of AAV Gene Therapy in Patients With CNGA3 Achromatopsia (A Clarity Clinical Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Achromatopsia"
      ],
      "interventions": [
        {
          "name": "AGTC-402",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Beacon Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2017-08-03",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2022-07-22",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida • Miami, Florida • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02935517"
    },
    {
      "nct_id": "NCT04522245",
      "title": "Evaluation of Brain Activity Changes After a Behavior Change Weight Loss Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Behavior, Health",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Noom Healthy Weight; mobile behavior change program for weight loss.",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Matched Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Noom Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 70,
      "start_date": "2020-10-01",
      "completion_date": "2021-07-15",
      "has_results": false,
      "last_update_posted_date": "2021-07-20",
      "last_synced_at": "2026-07-22T22:44:10.743Z",
      "location_count": 1,
      "location_summary": "Commack, New York",
      "locations": [
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04522245"
    }
  ]
}