{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Usability+study",
    "query": {
      "intervention": "Usability study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 243,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Usability+study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T18:01:55.469Z",
  "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": "NCT06323447",
      "title": "Pivotal Study to Validate a Novel System to Non-Invasively Detect Severe Neutropenia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diffuse Large B Cell Lymphoma",
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "PointCheck",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Leuko Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2025-12-15",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 5,
      "location_summary": "Honolulu, Hawaii • Louisville, Kentucky • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06323447"
    },
    {
      "nct_id": "NCT03480204",
      "title": "Patient Status Engine (PSE): EARLY FEASIBILITY AND USABILITY STUDY",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrhythmia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2018-03-19",
      "completion_date": "2018-12-23",
      "has_results": false,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480204"
    },
    {
      "nct_id": "NCT05172154",
      "title": "GlowTest COVID-19 Antigen Home Test Kit Usability Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "GlowTest COVID-19 Antigen Home Test Kit",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Arion Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2021-12-30",
      "completion_date": "2022-01-14",
      "has_results": false,
      "last_update_posted_date": "2022-01-19",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Elkridge, Maryland",
      "locations": [
        {
          "city": "Elkridge",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05172154"
    },
    {
      "nct_id": "NCT06235450",
      "title": "A Usability Study of iTEAR100 For Combined EyeLid Microblepharoexfoliation and Neurostimulation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "MicroBlepharoexfoliation, NuLids, iTEAR100, iLIDS100, Blepharitis, Dry Eye Syndrome"
      ],
      "interventions": [
        {
          "name": "iLIDS100",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Olympic Ophthalmics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-01-19",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-02-01",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Issaquah, Washington",
      "locations": [
        {
          "city": "Issaquah",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06235450"
    },
    {
      "nct_id": "NCT04247061",
      "title": "Usability Study of a Smoking Cessation Intervention During a Dental Cleaning",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cessation"
      ],
      "interventions": [
        {
          "name": "Educational video",
          "type": "OTHER"
        },
        {
          "name": "Text-message program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2020-02-04",
      "completion_date": "2020-05-31",
      "has_results": true,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247061"
    },
    {
      "nct_id": "NCT07376772",
      "title": "Wearable Focal Vibration Therapy on Upper Extremity Function of People With Multiple Sclerosis: A Pilot Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Sclerosis (MS) - Relapsing-remitting",
        "Upper Extremity Dysfunction"
      ],
      "interventions": [
        {
          "name": "wearable focal vibration therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "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": 15,
      "start_date": "2026-03-04",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07376772"
    },
    {
      "nct_id": "NCT01024166",
      "title": "Patient-Reported Outcomes-Based Palliative and Hospice Care Practice: A Usability Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Cancers"
      ],
      "interventions": [
        {
          "name": "Questionnaire and Review Session",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2009-11",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-06-07",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01024166"
    },
    {
      "nct_id": "NCT04854694",
      "title": "Product Testing of the FaceView Mask™: Usability Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hearing Disability"
      ],
      "interventions": [
        {
          "name": "FaceView Mask™",
          "type": "DEVICE"
        },
        {
          "name": "conventional surgical N95 respirator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 202,
      "start_date": "2022-11-15",
      "completion_date": "2024-02-29",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04854694"
    },
    {
      "nct_id": "NCT07775495",
      "title": "Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Adult Participants"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ecotera Health LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2026-08-21",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 51,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Phoenix, Arizona + 48 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775495"
    },
    {
      "nct_id": "NCT01253330",
      "title": "Usage, Usability & Effect on Adherence and Clinical Outcomes of Text Message Reminders for Adolescents With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Text Message Reminders",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "12 Years to 22 Years"
      },
      "enrollment_count": 61,
      "start_date": "2010-11",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2016-02-12",
      "last_synced_at": "2026-09-06T18:01:55.469Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01253330"
    }
  ]
}