{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Filter+Placed",
    "query": {
      "intervention": "Filter Placed"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Filter+Placed&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T03:17:31.733Z",
  "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": "NCT03694626",
      "title": "Objectively Diagnose and Monitor Treatment of Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia",
        "Traumatic Brain Injury",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Pupillography",
          "type": "DEVICE"
        },
        {
          "name": "Ocular Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Wrist-watch sensor device",
          "type": "DEVICE"
        },
        {
          "name": "Videography",
          "type": "DEVICE"
        },
        {
          "name": "Electrophysiology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-07-11",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694626"
    },
    {
      "nct_id": "NCT00423683",
      "title": "Anticoagulation and Inferior Vena Cava Filters in Cancer Patients With a Venous Thromboembolism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer",
        "Thromboembolism"
      ],
      "interventions": [
        {
          "name": "Arixtra alone",
          "type": "DRUG"
        },
        {
          "name": "Arixtra + filter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2007-01",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2016-06-08",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00423683"
    },
    {
      "nct_id": "NCT02236858",
      "title": "Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "HEPA Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Sham HEPA Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 142,
      "start_date": "2014-03",
      "completion_date": "2021-09-10",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02236858"
    },
    {
      "nct_id": "NCT02763917",
      "title": "AIRWEIGHS: Investigating Obesity as a Susceptibility Factor for Air Pollution in Childhood Asthma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Active Air Purifier",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Air Purifier",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 198,
      "start_date": "2016-08",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02763917"
    },
    {
      "nct_id": "NCT02381626",
      "title": "DRIIVE (Data and Research on Interventions to Improve the Vehicular Environment)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vehicular Environment"
      ],
      "interventions": [
        {
          "name": "HEPA air purifier",
          "type": "DEVICE"
        },
        {
          "name": "questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Log-book",
          "type": "OTHER"
        },
        {
          "name": "Urine sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "21 Years to 90 Years · Male only"
      },
      "enrollment_count": 39,
      "start_date": "2014-12",
      "completion_date": "2020-10-18",
      "has_results": true,
      "last_update_posted_date": "2021-10-05",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02381626"
    },
    {
      "nct_id": "NCT05982795",
      "title": "Impact of Highly Effective Modulator Therapy on the Cystic Fibrosis Microbiome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Nasal endoscopy with microbiome swab and mucus collection through filter paper and sponge",
          "type": "OTHER"
        },
        {
          "name": "Olfactory Function Testing",
          "type": "OTHER"
        },
        {
          "name": "Survey Completion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-11-08",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05982795"
    },
    {
      "nct_id": "NCT02201277",
      "title": "ODEN Trial: Option vs. Denali IVC Filters",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Venous Thromboembolism"
      ],
      "interventions": [
        {
          "name": "Filter Placed",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2014-05-27",
      "completion_date": "2018-04-27",
      "has_results": true,
      "last_update_posted_date": "2019-09-12",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02201277"
    },
    {
      "nct_id": "NCT02240134",
      "title": "Wood Stove Interventions and Child Respiratory Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Tract Respiratory Infection"
      ],
      "interventions": [
        {
          "name": "Education Intervention (Tx1)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Air Filtration Unit Treatment (Tx2)",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Intervention (Tx3)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Montana",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "Up to 5 Years"
      },
      "enrollment_count": 523,
      "start_date": "2014-11",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2022-06-22",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Missoula, Montana",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02240134"
    },
    {
      "nct_id": "NCT06132763",
      "title": "Healthy Hydration Pilot in Elementary Schools",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hydration",
        "Dental Caries",
        "Body Mass Index"
      ],
      "interventions": [
        {
          "name": "Hydration Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control - Assessments Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Years and older"
      },
      "enrollment_count": 563,
      "start_date": "2023-11-09",
      "completion_date": "2024-05-01",
      "has_results": true,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06132763"
    },
    {
      "nct_id": "NCT05254912",
      "title": "Photoallergic Potential of 6% Bemotrizinol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Photoallergic Response"
      ],
      "interventions": [
        {
          "name": "6% Bemotrizinol in sunscreen formulation",
          "type": "DRUG"
        },
        {
          "name": "6% Bemotrizinol in petrolatum",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "dsm-firmenich Switzerland AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-03-07",
      "completion_date": "2022-04-22",
      "has_results": false,
      "last_update_posted_date": "2022-08-26",
      "last_synced_at": "2026-09-03T03:17:31.733Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05254912"
    }
  ]
}