{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Blindness&page=2",
    "query": {
      "intervention": "Blindness",
      "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=Blindness&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T20:42:17.909Z",
  "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": "NCT05647694",
      "title": "V-NAV Usability Study: End Users Trying the Vortant Indoor Navigation Tool",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blindness and Low Vision"
      ],
      "interventions": [
        {
          "name": "V-NAV indoor navigation prototype",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vortant Technologies, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2025-01-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-25",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Weaverville, North Carolina",
      "locations": [
        {
          "city": "Weaverville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05647694"
    },
    {
      "nct_id": "NCT00076700",
      "title": "Enhanced Tactile Memory in the Blind",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Blindness"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 45,
      "start_date": "2004-01",
      "completion_date": "2006-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00076700"
    },
    {
      "nct_id": "NCT01163032",
      "title": "Efficacy and Safety of Tasimelteon Compared With Placebo in Totally Blind Subjects With Non-24-Hour Sleep-Wake Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Non-24-Hour Sleep-Wake Disorder"
      ],
      "interventions": [
        {
          "name": "tasimelteon",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 136,
      "start_date": "2010-08",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-10-16",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 23,
      "location_summary": "Phoenix, Arizona • Orange, California • Palo Alto, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01163032"
    },
    {
      "nct_id": "NCT03052257",
      "title": "Improve Glaucoma Medication Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Educational - glaucoma",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose monitoring and reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational - general",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose monitoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2017-08-09",
      "completion_date": "2021-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03052257"
    },
    {
      "nct_id": "NCT05673759",
      "title": "Event-Related Potential (ERP) Components in Clinical Diagnosis",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer Disease",
        "Dementia, Mild",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Electroencephalogram (EEG) system",
          "type": "DEVICE"
        },
        {
          "name": "Standard Neuropsychological Testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Additional neuropsychological tests",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "20 Years to 90 Years"
      },
      "enrollment_count": 148,
      "start_date": "2023-03-06",
      "completion_date": "2025-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05673759"
    },
    {
      "nct_id": "NCT04963075",
      "title": "Multisensory Rehabilitation of Hemianopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hemianopia"
      ],
      "interventions": [
        {
          "name": "multisensory rehabilitation paradigm",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 5,
      "start_date": "2021-09-22",
      "completion_date": "2025-09-30",
      "has_results": true,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04963075"
    },
    {
      "nct_id": "NCT00013429",
      "title": "Evaluation of Eye Movement Tracking Systems for Visual Rehabilitation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Blindness"
      ],
      "interventions": [
        {
          "name": "Visual",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2000-01",
      "completion_date": "2003-09",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Decatur, Georgia",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013429"
    },
    {
      "nct_id": "NCT00911053",
      "title": "Melatonin for Circadian Sleep Disorders in the Blind",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia",
        "Blindness",
        "Daytime Sleepiness"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DRUG"
        },
        {
          "name": "Regular Sleep Schedule",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Light",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 59,
      "start_date": "1997-06",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2019-11-27",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00911053"
    },
    {
      "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": "2026-09-15T20:42:17.909Z",
      "location_count": 1,
      "location_summary": "Columbia, Maryland",
      "locations": [
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02435940"
    },
    {
      "nct_id": "NCT02251743",
      "title": "Double-Blind 2-Site Randomized Clinical Trial of Neurofeedback for ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention-Deficit/Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Neurofeedback treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "7 Years to 10 Years"
      },
      "enrollment_count": 144,
      "start_date": "2014-09",
      "completion_date": "2020-08",
      "has_results": true,
      "last_update_posted_date": "2020-09-29",
      "last_synced_at": "2026-09-15T20:42:17.909Z",
      "location_count": 2,
      "location_summary": "Asheville, North Carolina • Columbus, Ohio",
      "locations": [
        {
          "city": "Asheville",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02251743"
    }
  ]
}