{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=30",
    "query": {
      "intervention": "Visual Assessment",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 1001,
    "total_pages": 101,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Assessment&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T16:10:34.811Z",
  "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": "NCT02391714",
      "title": "Nitrous Oxide for Pain Management of Intrauterine Device (IUD) Insertion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "IUD insertion",
          "type": "PROCEDURE"
        },
        {
          "name": "Povidone-Iodine",
          "type": "DRUG"
        },
        {
          "name": "Chlorhexidine",
          "type": "DRUG"
        },
        {
          "name": "Oxygen",
          "type": "OTHER"
        },
        {
          "name": "Nitrous oxide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "12 Years and older · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2013-10",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02391714"
    },
    {
      "nct_id": "NCT05996198",
      "title": "Exoskeletal Support in Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Oculus Rift headset",
          "type": "DEVICE"
        },
        {
          "name": "Exoskeleton Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2024-01-03",
      "completion_date": "2024-04-29",
      "has_results": true,
      "last_update_posted_date": "2025-04-01",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05996198"
    },
    {
      "nct_id": "NCT03167372",
      "title": "Pilot Comparison of N-of-1 Trials of Light Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer",
        "Health Behavior",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Litebook® Advantage",
          "type": "OTHER"
        },
        {
          "name": "Fitbit Flex2 TM",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2017-09-06",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03167372"
    },
    {
      "nct_id": "NCT02887157",
      "title": "Analyzing Retinal Microanatomy in ROP",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinopathy of Prematurity",
        "Neurodevelopmental Disorders",
        "Macular Edema"
      ],
      "interventions": [
        {
          "name": "Swept Source OCT",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "OTHER"
        },
        {
          "name": "Scavenged blood collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Weeks",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Weeks and older"
      },
      "enrollment_count": 191,
      "start_date": "2016-07-22",
      "completion_date": "2021-04-15",
      "has_results": false,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • St Louis, Missouri • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02887157"
    },
    {
      "nct_id": "NCT00712621",
      "title": "Determining Quality of Life in Breast Cancer Patient After Completing Radiation,Chemotherapy,Surgery or Combination",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Written materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "American Scitech International",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 85 Years · Female only"
      },
      "enrollment_count": 460,
      "start_date": "2010-02",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2009-11-24",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Englishtown, New Jersey",
      "locations": [
        {
          "city": "Englishtown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00712621"
    },
    {
      "nct_id": "NCT04838223",
      "title": "Neurosensory Abnormalities in SymptomAtic Ocular Surface Patients (NASA)",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dry Eye",
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Hyperosmolar Response",
          "type": "OTHER"
        },
        {
          "name": "Proparacaine Challenge Test",
          "type": "OTHER"
        },
        {
          "name": "Contact Lens Dry Eye Questionnaire-8 (CLDEQ-8) Optional; only for Contact Lens Wearers",
          "type": "OTHER"
        },
        {
          "name": "Ocular Pain Assessment Survey (OPAS)",
          "type": "OTHER"
        },
        {
          "name": "Visual Analogue Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2021-07-02",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 16,
      "location_summary": "Azusa, California • Pomona, California • San Francisco, California + 10 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04838223"
    },
    {
      "nct_id": "NCT05094102",
      "title": "Intraoperative Evaluation of Axillary Lymphatics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lymphedema",
        "Surgery",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "OnLume Imaging System",
          "type": "DEVICE"
        },
        {
          "name": "Indocyanine green",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2022-05-05",
      "completion_date": "2023-04-27",
      "has_results": true,
      "last_update_posted_date": "2024-11-13",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05094102"
    },
    {
      "nct_id": "NCT07157124",
      "title": "Examining the Effectiveness of Dynamic Visual Noise (DVN) for Reducing Alcohol Cravings and Consumption in College Students",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Craving",
        "Alcohol Drinking"
      ],
      "interventions": [
        {
          "name": "Dynamic Visual Noise (DVN)",
          "type": "OTHER"
        },
        {
          "name": "Static Visual Noise (SVN)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wyoming",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 62,
      "start_date": "2025-09-22",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2025-12-29",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Laramie, Wyoming",
      "locations": [
        {
          "city": "Laramie",
          "state": "Wyoming"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07157124"
    },
    {
      "nct_id": "NCT03335020",
      "title": "Using Ultrasonography, Shear Wave Elastography, Strain Imaging, and 3-D Volume Ultrasonography on Cardiovascular Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fibromuscular Dysplasia of Arteries",
        "Segmental Arterial Mediolysis",
        "Spontaneous Coronary Artery Dissection",
        "Atherosclerosis of Artery"
      ],
      "interventions": [
        {
          "name": "Shear Wave Elastography",
          "type": "DEVICE"
        },
        {
          "name": "Pulse Wave Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "DRUG"
        },
        {
          "name": "Strain Imaging",
          "type": "OTHER"
        },
        {
          "name": "3-D Volume Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-04-01",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-05-29",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03335020"
    },
    {
      "nct_id": "NCT03313011",
      "title": "The Neurobiology of Two Distinct Types of Progressive Apraxia of Speech",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Apraxia of Speech",
        "Non-fluent Aphasia",
        "Primary Progressive Aphasia",
        "Primary Progressive Nonfluent Aphasia"
      ],
      "interventions": [
        {
          "name": "Testing protocol for the study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2017-08-01",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-11-01T16:10:34.811Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03313011"
    }
  ]
}