{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OSDI+questionnaire",
    "query": {
      "intervention": "OSDI questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T19:40:37.813Z",
  "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": "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": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612284"
    },
    {
      "nct_id": "NCT06364657",
      "title": "Differences in Corneal Structure and Function in Patients With Sjogrens vs. Non-Sjogrens Dry Eye",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sjogren's Syndrome",
        "Dry Eye",
        "Neurotrophic Keratitis"
      ],
      "interventions": [
        {
          "name": "Eye Exam",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2024-07-01",
      "completion_date": "2024-12-19",
      "has_results": false,
      "last_update_posted_date": "2025-01-15",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06364657"
    },
    {
      "nct_id": "NCT07579156",
      "title": "TearCare in Young Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meibomian Gland Dysfunction (Disorder)"
      ],
      "interventions": [
        {
          "name": "TearCare®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 45,
      "start_date": "2026-08-01",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07579156"
    },
    {
      "nct_id": "NCT05162261",
      "title": "to Evaluate the Effectiveness and Safety of the Tixel® , VS LipiFlow® in the Treatment of Meibomian Gland Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meibomian Gland Dysfunction",
        "Dry Eye Syndromes",
        "Dry Eye"
      ],
      "interventions": [
        {
          "name": "Tixel C",
          "type": "DEVICE"
        },
        {
          "name": "LipiFlow",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Novoxel Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 109,
      "start_date": "2022-09-19",
      "completion_date": "2023-09-28",
      "has_results": true,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 5,
      "location_summary": "La Jolla, California • Newport Beach, California • Kansas City, Missouri + 2 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Texas City",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05162261"
    },
    {
      "nct_id": "NCT02735681",
      "title": "Effect of Meibomian Gland Probing on Ocular Surface in Ocular Rosacea",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meibomian Gland Dysfunction"
      ],
      "interventions": [
        {
          "name": "meibomian gland probing",
          "type": "PROCEDURE"
        },
        {
          "name": "Left eye Meibomian Gland Probing Control Group",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-02-01",
      "completion_date": "2018-03-28",
      "has_results": false,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735681"
    },
    {
      "nct_id": "NCT05615805",
      "title": "The Effect of Ocular Rinse Volume on Surface Irritation After Intravitreal Injections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intravitreal Injection",
        "Ocular Rinse",
        "Age-Related Macular Degeneration",
        "Diabetic Macular Edema",
        "Cystoid Macular Edema"
      ],
      "interventions": [
        {
          "name": "OSDI questionnaire",
          "type": "OTHER"
        },
        {
          "name": "SPEEDII questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 142,
      "start_date": "2021-03-01",
      "completion_date": "2021-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-04-25",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05615805"
    },
    {
      "nct_id": "NCT07510087",
      "title": "Glaucoma Related Quality of Life",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "GQL-15",
          "type": "OTHER"
        },
        {
          "name": "Glaucoma Symptom Scale",
          "type": "OTHER"
        },
        {
          "name": "NEI Vision Function Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Ocular Surface Disease Index",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Marc Toeteberg-Harms",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2024-12-30",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-07T19:40:37.813Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07510087"
    }
  ]
}