{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prevalence&page=2",
    "query": {
      "intervention": "Prevalence",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Prevalence&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T13:56:37.359Z",
  "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": "NCT02753777",
      "title": "Autoimmune Blistering Diseases Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pemphigus Vulgaris",
        "Pemphigus Foliaceus",
        "Bullous Pemphigoid"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2016-04",
      "completion_date": "2030-01-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 3,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02753777"
    },
    {
      "nct_id": "NCT00386880",
      "title": "Prevalence of Phonophobia and Cutaneous Allodynia in Episodic Migraineurs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Sounds",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 38,
      "start_date": "2006-08",
      "completion_date": "2007-09",
      "has_results": true,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00386880"
    },
    {
      "nct_id": "NCT01879449",
      "title": "Prevalence of Spasticity in Veterans Living in a Long-term Care Facility",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Spasticity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2013-02",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-01-26",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Murfreesboro, Tennessee",
      "locations": [
        {
          "city": "Murfreesboro",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879449"
    },
    {
      "nct_id": "NCT01993914",
      "title": "Prevalence of MTHFR Polymorphisms in Venous Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Varicose Veins",
        "MTHFR",
        "Venous Disease",
        "Thrombosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Health Diagnostic Laboratory, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2011-02",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-11-17",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993914"
    },
    {
      "nct_id": "NCT06255899",
      "title": "Injury Prevention for Female Lacrosse Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Extremity Problem"
      ],
      "interventions": [
        {
          "name": "Education Program on Injury Prevention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Individualized Feedback + Education Program on Injury Prevention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2023-01-06",
      "completion_date": "2023-05-08",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06255899"
    },
    {
      "nct_id": "NCT01996553",
      "title": "The Prevalence of Radial Artery Occlusion in Diagnostic Cardiac Catheterization and Percutaneous Intervention",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Angiography",
        "Radial Artery Occlusion"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Jesse Brown VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2013-04",
      "completion_date": "2017-07",
      "has_results": false,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01996553"
    },
    {
      "nct_id": "NCT03536221",
      "title": "What is the Prevalence of Female Pelvic Floor Disorders in Minnesota?",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prolapse",
        "Urinary Incontinence",
        "Fecal Incontinence",
        "Bladder Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 1200,
      "start_date": "2018-08-01",
      "completion_date": "2019-09-30",
      "has_results": false,
      "last_update_posted_date": "2019-11-01",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03536221"
    },
    {
      "nct_id": "NCT06557967",
      "title": "Study on Prevalence and Impact of Brain Metastases on Survival in Lung Cancer by Line of Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Lung Cancer",
        "Metastatic Cancer",
        "Brain and Central Nervous System Cancer"
      ],
      "interventions": [
        {
          "name": "No drug",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22517,
      "start_date": "2024-03-01",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-09",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06557967"
    },
    {
      "nct_id": "NCT02048163",
      "title": "Intermittent Versus Continuous Infusion Meropenem in Cystic Fibrosis",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Dayton Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "7 Years to 21 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-12",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2016-02-08",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02048163"
    },
    {
      "nct_id": "NCT00135447",
      "title": "A Study of Prevalence of the I50L Mutation When ATV Treated Patients Fail the Regimen",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2004-09",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2011-04-14",
      "last_synced_at": "2026-09-11T13:56:37.359Z",
      "location_count": 84,
      "location_summary": "Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 58 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00135447"
    }
  ]
}