{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Particle&page=21",
    "query": {
      "intervention": "Particle",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 533,
    "total_pages": 54,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Particle&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Particle&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T21:09:37.586Z",
  "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": "NCT00681473",
      "title": "Late Effects of Proton Radiation Therapy in Patients With Low-Grade Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Grade Gliomas"
      ],
      "interventions": [
        {
          "name": "Proton Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2007-07",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00681473"
    },
    {
      "nct_id": "NCT06477965",
      "title": "Embo Registry; National Registry for Artery Embolization",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Pain",
        "Osteoarthritis, Knee",
        "Osteoarthritis Thumb",
        "Osteoarthritis Shoulder",
        "Pain, Chronic",
        "Tendonitis Elbow",
        "Tendonitis Shoulder",
        "Tendonitis;Achilles",
        "Tenosynovitis"
      ],
      "interventions": [
        {
          "name": "Artery Embolization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vascular Solutions of North Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2024-07-15",
      "completion_date": "2029-07-15",
      "has_results": false,
      "last_update_posted_date": "2024-10-28",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 2,
      "location_summary": "Cary, North Carolina • Winchester, Tennessee",
      "locations": [
        {
          "city": "Cary",
          "state": "North Carolina"
        },
        {
          "city": "Winchester",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06477965"
    },
    {
      "nct_id": "NCT01405794",
      "title": "In-Vivo Assessment of Silver Biomaterial Nano-Toxicity 32 Ppm",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "32ppm Silver Particle",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 12,
      "start_date": "2011-07",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2016-07-04",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01405794"
    },
    {
      "nct_id": "NCT03370172",
      "title": "A Study of BAX 888 in Male Adults With Severe Hemophilia A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "BAX 888",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baxalta now part of Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 4,
      "start_date": "2018-02-27",
      "completion_date": "2024-07-09",
      "has_results": true,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Sacramento, California + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03370172"
    },
    {
      "nct_id": "NCT04505722",
      "title": "A Study of Ad26.COV2.S for the Prevention of SARS-CoV-2-Mediated COVID-19 in Adult Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Participants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19 at Different Stages of the Protocol"
      ],
      "interventions": [
        {
          "name": "Ad26.COV2.S",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44325,
      "start_date": "2020-09-07",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 117,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 77 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505722"
    },
    {
      "nct_id": "NCT07116460",
      "title": "Cost Effective Air Filtration Intervention in Low-Income Housing to Reduce Asthma Morbidity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma Attack",
        "Lung Function",
        "Airway Inflammation"
      ],
      "interventions": [
        {
          "name": "Austin Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-01-30",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07116460"
    },
    {
      "nct_id": "NCT03372096",
      "title": "LC Bead LUMI for Prostatic Artery Embolization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "BPH"
      ],
      "interventions": [
        {
          "name": "Prostatic Artery Embolization",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "40 Years and older · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2018-07-13",
      "completion_date": "2020-09-03",
      "has_results": true,
      "last_update_posted_date": "2021-02-24",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Woodbridge, Virginia",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Woodbridge",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03372096"
    },
    {
      "nct_id": "NCT01844323",
      "title": "A Study In Healthy Volunteers To Estimate The Effect Of The Active Ingredient Particle Size And Percentage Of The Excipients Used To Formulate The Capsules In The Dissolution Rate Of The Formulations In The Gastrointestinal Tract",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Palbociclib Formulation Reference",
          "type": "OTHER"
        },
        {
          "name": "Palbociclib Formulation Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2013-06",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-08-28",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01844323"
    },
    {
      "nct_id": "NCT03339713",
      "title": "A Study to Evaluate the Safety and Immunogenicity of Seasonal Influenza Vaccine and an Adenovirus Serotype 26- Based Vaccine Encoding for the Respiratory Syncytial Virus Pre-fusion F Protein (Ad26.RSV.preF), With and Without Co-administration, in Adults Aged 60 Years and Older in Stable Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ad26.RSV.preF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluarix",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2017-12-07",
      "completion_date": "2018-07-23",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 1,
      "location_summary": "Mt. Pleasant, South Carolina",
      "locations": [
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03339713"
    },
    {
      "nct_id": "NCT00262067",
      "title": "A Study Evaluating the Efficacy and Safety of Bevacizumab in Combination With Chemotherapy in Untreated Metastatic Breast Cancer (RIBBON 1)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1237,
      "start_date": "2005-12",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2013-12-13",
      "last_synced_at": "2026-10-24T21:09:37.586Z",
      "location_count": 5,
      "location_summary": "Fullerton, California • Santa Barbara, California • Iowa City, Iowa + 2 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262067"
    }
  ]
}