{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tear+collection",
    "query": {
      "intervention": "Tear collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Tear+collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T21:58:13.918Z",
  "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": "NCT01049724",
      "title": "Lacritin and Heparanase Levels in Human Tears After Laser Refractive Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Tear collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Fort Belvoir Community Hospital",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 196,
      "start_date": "2010-01",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Fort Belvoir, Virginia",
      "locations": [
        {
          "city": "Fort Belvoir",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01049724"
    },
    {
      "nct_id": "NCT07430735",
      "title": "BriTer Eyez Moisture Vue™ On-Demand Disposable Moisture Chamber",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Eye Disease (DED)"
      ],
      "interventions": [
        {
          "name": "BriTer Eyez Moisture Vue™ On Demand Disposable Moisture Chamber",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2026-08-31",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07430735"
    },
    {
      "nct_id": "NCT04188912",
      "title": "Close Assessment and Testing for Chronic Graft Versus Host Disease, CATCH Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Optical Coherence Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Digital Photography",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 267,
      "start_date": "2019-09-13",
      "completion_date": "2025-09-29",
      "has_results": false,
      "last_update_posted_date": "2025-10-02",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 7,
      "location_summary": "Gainesville, Florida • Tampa, Florida • Bethesda, Maryland + 4 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04188912"
    },
    {
      "nct_id": "NCT06405984",
      "title": "Trans-Abdominal Fetal Pulse Oximetry - EFS-IDE",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Fetal Hypoxia",
        "Fetal Distress",
        "Fetal Conditions",
        "Fetal Complications",
        "Labor Fetal Anoxia",
        "Labor (Obstetrics)--Complications",
        "Oxygen Deficiency"
      ],
      "interventions": [
        {
          "name": "Fetal Oxygenation Measurements",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Raydiant Oximetry, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2024-04-15",
      "completion_date": "2025-10-17",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06405984"
    },
    {
      "nct_id": "NCT03577379",
      "title": "Vascular Changes of Rotator Cuff Repair Augmented With a Whole Blood Fibrin Clot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rotator Cuff Tear"
      ],
      "interventions": [
        {
          "name": "Whole Blood Fibrin Clot",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Santa Barbara Cottage Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 53,
      "start_date": "2019-03-01",
      "completion_date": "2022-04-25",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Santa Barbara, California",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03577379"
    },
    {
      "nct_id": "NCT04571268",
      "title": "Motions of the Bones and Activation of the Muscles of the Shoulder Girdle During Basic and Common Arm Movement",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rotator Cuff Tears"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "More Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 45,
      "start_date": "2019-01-28",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-10-06",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04571268"
    },
    {
      "nct_id": "NCT06332352",
      "title": "Intra-articular Platelet-Rich Plasma for Acetabular Labral Tears",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acetabular Labrum Tear"
      ],
      "interventions": [
        {
          "name": "PRP",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-03-20",
      "completion_date": "2026-03-01",
      "has_results": true,
      "last_update_posted_date": "2026-06-25",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06332352"
    },
    {
      "nct_id": "NCT04928014",
      "title": "Validation of a Tear-based Screening Assay for Breast Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy",
        "Breast Cancer",
        "Breast Cancer Female",
        "Health Care Utilization",
        "Health Knowledge, Attitudes, Practice",
        "Health Personnel Attitude",
        "Health Care Acceptability"
      ],
      "interventions": [
        {
          "name": "Schirmer Strip",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Namida Lab",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 205,
      "start_date": "2021-06-01",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04928014"
    },
    {
      "nct_id": "NCT05223218",
      "title": "Investigating the Diagnostic Potential of Tear Proteins in Cancer - A Pilot Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Prostate Cancer",
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Schirmer strip, a Class I Medical Device typically used to test for dry eye.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Namida Lab",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "2021-08-25",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05223218"
    },
    {
      "nct_id": "NCT05268224",
      "title": "A Tear-based, Lab-developed Test for Breast Cancer for Women With Dense Breast Tissue",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Schirmer Strip",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Namida Lab",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 1500,
      "start_date": "2021-10-01",
      "completion_date": "2024-10",
      "has_results": false,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-09-02T21:58:13.918Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05268224"
    }
  ]
}