{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+evoked+potential&page=2",
    "query": {
      "intervention": "Visual evoked potential",
      "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=Visual+evoked+potential&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-14T07:06:19.733Z",
  "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": "NCT00693953",
      "title": "Using the Digital EEG Spectral Analysis in Assessing Neuroelectrical Processing Abnormalities in Autism",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autistic Disorder",
        "Autism, Early Infantile",
        "Autism, Infantile",
        "Asperger Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yellen & Associates, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "5 Years to 25 Years"
      },
      "enrollment_count": 200,
      "start_date": "2010-01",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2009-10-02",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Northridge, California",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00693953"
    },
    {
      "nct_id": "NCT05971446",
      "title": "Healthy Little Eyes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoxic-Ischemic Encephalopathy",
        "Neonatal Encephalopathy",
        "Encephalopathy"
      ],
      "interventions": [
        {
          "name": "Visual Evoked Potential (VEP)",
          "type": "DEVICE"
        },
        {
          "name": "Electroretinogram (ERG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "36 Months",
        "sex": "ALL",
        "summary": "Up to 36 Months"
      },
      "enrollment_count": 125,
      "start_date": "2020-02-24",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05971446"
    },
    {
      "nct_id": "NCT03914599",
      "title": "Protective Genetic Factors Against Neurological Diseases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neurological Disorder",
        "Healthy Control"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wayne State University",
      "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": 124,
      "start_date": "2019-04-15",
      "completion_date": "2022-07-11",
      "has_results": false,
      "last_update_posted_date": "2022-07-18",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03914599"
    },
    {
      "nct_id": "NCT07275021",
      "title": "Cerebral/ Cortical Visual Impairment: Screening, Identification and Outcome Prediction in Neonates",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Preterm Less Than 32wks With IVH, WMI/PVL",
        "Late Preterm or Term (37-42wks) With Neonatal Encephalopathy Treated With Hypothermia for HIE"
      ],
      "interventions": [
        {
          "name": "Prospective Clinical and Neurodevelopmental Data Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "31 Weeks",
        "maximum_age": "42 Weeks",
        "sex": "ALL",
        "summary": "31 Weeks to 42 Weeks"
      },
      "enrollment_count": 60,
      "start_date": "2025-07-07",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07275021"
    },
    {
      "nct_id": "NCT02791425",
      "title": "Brain Computer Interface for Communication in Ventilated Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mechanical Ventilation",
        "Nonverbal Communication",
        "Intratracheal Intubation",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "Brain Computer Interface (BCI) device",
          "type": "DEVICE"
        },
        {
          "name": "Communication picture board",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 1,
      "start_date": "2017-03-01",
      "completion_date": "2017-08-25",
      "has_results": false,
      "last_update_posted_date": "2019-04-17",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02791425"
    },
    {
      "nct_id": "NCT02803359",
      "title": "Investigation of Human Laryngeal Evoked Brainstem Potentials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thyroidectomy"
      ],
      "interventions": [
        {
          "name": "Placement of a needle electrode through the thyrohyoid membrane into the submucosal space within the false vocal fold",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 14,
      "start_date": "2016-06",
      "completion_date": "2020-07-28",
      "has_results": false,
      "last_update_posted_date": "2020-08-25",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02803359"
    },
    {
      "nct_id": "NCT02909985",
      "title": "Visual Activity Evoked by Infrared in Humans After Dark Adaptation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age Related Macular Degeneration",
        "Retinitis Pigmentosa",
        "Congenital Stationary Night Blindness",
        "Colorblindness"
      ],
      "interventions": [
        {
          "name": "Tungsten halogen light with narrow bandpass filters",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2015-09",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2024-12-13",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02909985"
    },
    {
      "nct_id": "NCT05932589",
      "title": "Neurophysiologic Biomarkers in Rett Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rett Syndrome",
        "RTT",
        "Rett Syndrome, Atypical"
      ],
      "interventions": [
        {
          "name": "EEG and Auditory and Visual Evoked Potentials (AEP and VEP)",
          "type": "OTHER"
        },
        {
          "name": "Clinical assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "1 Year to 18 Years · Female only"
      },
      "enrollment_count": 202,
      "start_date": "2023-10-11",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Brookline, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Brookline",
          "state": "Massachusetts"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05932589"
    },
    {
      "nct_id": "NCT05853939",
      "title": "Measuring rTMS-induced Neuroplasticity With EEG Steady-state Visual-evoked Potentials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Cortical Plasticity",
        "Repetitive Transcranial Magnetic Stimulation",
        "Visual Attention"
      ],
      "interventions": [
        {
          "name": "repetitive transcranial magnetic stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 106,
      "start_date": "2023-07-01",
      "completion_date": "2026-06-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05853939"
    },
    {
      "nct_id": "NCT00402155",
      "title": "Visual Discomfort and Reading",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Visual Fatigue"
      ],
      "interventions": [
        {
          "name": "Stress on visual discomfort",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Southern California College of Optometry at Marshall B. Ketchum University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "17 Years to 30 Years"
      },
      "enrollment_count": 100,
      "start_date": "2004-07",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2009-11-13",
      "last_synced_at": "2026-09-14T07:06:19.733Z",
      "location_count": 1,
      "location_summary": "Claremont, California",
      "locations": [
        {
          "city": "Claremont",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402155"
    }
  ]
}