{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ease+of+use+questionnaires",
    "query": {
      "intervention": "Ease of use questionnaires"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ease+of+use+questionnaires&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T16:43:47.422Z",
  "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": "NCT04317807",
      "title": "R33: Levetiracetam in Early Psychosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Early Psychosis"
      ],
      "interventions": [
        {
          "name": "Levetiracetam Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "16 Years to 40 Years"
      },
      "enrollment_count": 65,
      "start_date": "2020-08-27",
      "completion_date": "2025-04-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04317807"
    },
    {
      "nct_id": "NCT03525860",
      "title": "Acupuncture Treatment for Patients Who Develop Arrhythmias in the Post-Operative Cardio-Thoracic Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Atrial Fibrillation",
        "Acupuncture Therapy"
      ],
      "interventions": [
        {
          "name": "Acupuncture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": "2018-07-26",
      "completion_date": "2019-08-26",
      "has_results": false,
      "last_update_posted_date": "2021-11-12",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03525860"
    },
    {
      "nct_id": "NCT03715270",
      "title": "Evaluation of Tissue Oxygen Levels During Breast Reconstruction With a New Surgical Device",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Perfusion; Complications"
      ],
      "interventions": [
        {
          "name": "Image surgical area",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Christie Medical Holdings, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2019-01-30",
      "completion_date": "2019-06-05",
      "has_results": false,
      "last_update_posted_date": "2019-06-10",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "Englewood, New Jersey",
      "locations": [
        {
          "city": "Englewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03715270"
    },
    {
      "nct_id": "NCT03612284",
      "title": "Scleral Contact Lens Insertion Solution Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Irregular; Contour of Cornea"
      ],
      "interventions": [
        {
          "name": "contact lens insertion solution",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jennifer Fogt",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-11-27",
      "completion_date": "2018-11-30",
      "has_results": false,
      "last_update_posted_date": "2019-01-18",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612284"
    },
    {
      "nct_id": "NCT07711145",
      "title": "Reusable, Transparent, and Reconfigurable N95-equivalent Respirator Masks: Design, Fabrication, and Trials for Enhanced Adoption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus is on Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Reusable, Transparent, and Reconfigurable N95-Equivalent Respirator Masks: Design, Fabrication, and Clinical Trials for Enhanced Adoption",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SEEUS95 Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-06-26",
      "completion_date": "2025-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07711145"
    },
    {
      "nct_id": "NCT02586493",
      "title": "Ease of Use and Correct Use Study of Placebo ELLIPTA® Inhaler in COPD Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 278,
      "start_date": "2015-10-01",
      "completion_date": "2016-03-15",
      "has_results": true,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 16,
      "location_summary": "Jasper, Alabama • Clearwater, Florida • Orlando, Florida + 13 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Ormond Beach",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586493"
    },
    {
      "nct_id": "NCT03770481",
      "title": "Using a Nurse-Led Communication Strategy for Surrogates in the Intensive Care Unit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Communication Research"
      ],
      "interventions": [
        {
          "name": "nurse-led communication strategy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2020-10-01",
      "completion_date": "2021-02-28",
      "has_results": false,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03770481"
    },
    {
      "nct_id": "NCT03478657",
      "title": "An Open-label Study to Evaluate Correct Use and Ease of Use of the ELLIPTA DPI in Pediatric Subjects With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo DPI",
          "type": "DRUG"
        },
        {
          "name": "ELLIPTA DPI",
          "type": "DEVICE"
        },
        {
          "name": "Ease of use questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "5 Years to 11 Years"
      },
      "enrollment_count": 222,
      "start_date": "2018-06-18",
      "completion_date": "2018-12-07",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 15,
      "location_summary": "Little Rock, Arkansas • Huntington Beach, California • Napa, California + 12 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Napa",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03478657"
    },
    {
      "nct_id": "NCT02586506",
      "title": "Study of the Ease of Use and Correct Use of Placebo ELLIPTA® Inhaler in Subjects With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Placebo ELLIPTA inhaler",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 259,
      "start_date": "2015-10-01",
      "completion_date": "2016-02-04",
      "has_results": true,
      "last_update_posted_date": "2017-10-11",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 15,
      "location_summary": "Mobile, Alabama • Huntington Beach, California • Aventura, Florida + 12 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Sunset",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02586506"
    },
    {
      "nct_id": "NCT03749928",
      "title": "OstiSense Biosensor in Bruxism Reduction - A Clinical Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bruxism, Sleep"
      ],
      "interventions": [
        {
          "name": "OstiSense biosensor - active",
          "type": "DEVICE"
        },
        {
          "name": "OstiSensor biosensor - not activated",
          "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": 0,
      "start_date": "2021-12",
      "completion_date": "2022-12",
      "has_results": false,
      "last_update_posted_date": "2022-04-01",
      "last_synced_at": "2026-09-12T16:43:47.422Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03749928"
    }
  ]
}