{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electroretinogram+%28ERG%29&page=2",
    "query": {
      "intervention": "Electroretinogram (ERG)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 27,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electroretinogram+%28ERG%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electroretinogram+%28ERG%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T05:08:59.360Z",
  "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": "NCT00016471",
      "title": "A Genetic Analysis of Usher Syndrome in Ashkenazi Jews",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Usher Syndrome",
        "Retinitis Pigmentosa",
        "Congenital Hearing Impairment"
      ],
      "interventions": [
        {
          "name": "Audiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Electroretinogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-03",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00016471"
    },
    {
      "nct_id": "NCT02466607",
      "title": "Study of Stimulus Parameters in Flicker Electroretinogram (ERG)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinopathy"
      ],
      "interventions": [
        {
          "name": "RETeval color flicker ERG",
          "type": "DEVICE"
        },
        {
          "name": "RETeval dilated versus un-dilated flicker ERG",
          "type": "DEVICE"
        },
        {
          "name": "pupil dilation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "LKC Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2015-03",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02466607"
    },
    {
      "nct_id": "NCT03694626",
      "title": "Objectively Diagnose and Monitor Treatment of Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia",
        "Traumatic Brain Injury",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Pupillography",
          "type": "DEVICE"
        },
        {
          "name": "Ocular Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Wrist-watch sensor device",
          "type": "DEVICE"
        },
        {
          "name": "Videography",
          "type": "DEVICE"
        },
        {
          "name": "Electrophysiology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "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": 120,
      "start_date": "2019-07-11",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694626"
    },
    {
      "nct_id": "NCT04120077",
      "title": "Combined Effects of Diabetes Self-Management Education and Nutritional Supplementation on Visual Function and Retinopathy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "EyePromise DVS, EyePromise DVS plus EyePromise EZTears",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ZeaVision, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 150,
      "start_date": "2020-01-01",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04120077"
    },
    {
      "nct_id": "NCT04522999",
      "title": "Study of Photobiomodulation Effect on Electroretinogram Outcomes in Dry Age-Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age Related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Photobiomodulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LumiThera, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-08-20",
      "completion_date": "2021-08-13",
      "has_results": false,
      "last_update_posted_date": "2021-09-02",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "New Port Richey, Florida",
      "locations": [
        {
          "city": "New Port Richey",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04522999"
    },
    {
      "nct_id": "NCT03364413",
      "title": "Brain's Response to Chocolate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Chocolate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-01-17",
      "completion_date": "2018-03-02",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03364413"
    },
    {
      "nct_id": "NCT03422016",
      "title": "Electroretinogram in Autistic Spectrum Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "electroretinogram (ERG)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Great Ormond Street Hospital for Children NHS Foundation Trust",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "4 Years to 25 Years"
      },
      "enrollment_count": 177,
      "start_date": "2018-09-03",
      "completion_date": "2020-04-03",
      "has_results": false,
      "last_update_posted_date": "2022-01-11",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03422016"
    },
    {
      "nct_id": "NCT01773278",
      "title": "Cholesterol and Antioxidant Treatment in Patients With Smith-Lemli-Opitz Syndrome (SLOS)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smith-Lemli-Opitz Syndrome",
        "Cone-Rod Dystrophy",
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Antioxidants",
          "type": "DRUG"
        },
        {
          "name": "Cholesterol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "Up to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2008-12",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01773278"
    },
    {
      "nct_id": "NCT00500344",
      "title": "CAPTAIN:Choroidal Neovascularization Assessment by Pattern Electroretinography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Lucentis (ranibizumab)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2007-07",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2018-05-03",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500344"
    },
    {
      "nct_id": "NCT06388096",
      "title": "CLAD Deconvolved PERG Responses in Glaucoma Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma, Suspect"
      ],
      "interventions": [
        {
          "name": "Pattern Electroretinogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Jorvec Corp.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 120,
      "start_date": "2023-06-01",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-10-01T05:08:59.360Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06388096"
    }
  ]
}