{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Density&page=2",
    "query": {
      "condition": "Breast Density",
      "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?condition=Breast+Density&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T09:53:38.039Z",
  "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": "NCT00316836",
      "title": "Breast Density, Hormone Levels, and Anticancer Drug Levels in Women With Invasive Breast Cancer Who Are Receiving Exemestane or Anastrozole",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "mammography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 554,
      "start_date": "2006-04",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2019-01-24",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 311,
      "location_summary": "Fairbanks, Alaska • Scottsdale, Arizona • Fort Smith, Arkansas + 222 more",
      "locations": [
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316836"
    },
    {
      "nct_id": "NCT03972605",
      "title": "Delphinus SoftVue™ ROC Reader Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Detection",
        "Dense Breast Parenchyma",
        "Benign Breast Findings",
        "Normal Breast Screening",
        "Abnormal Breast Screening"
      ],
      "interventions": [
        {
          "name": "Reading of Automated Breast Ultrasound in conjunction with Screening Mammography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Delphinus Medical Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 32,
      "start_date": "2019-06-08",
      "completion_date": "2019-07-02",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03972605"
    },
    {
      "nct_id": "NCT02048059",
      "title": "ANG1005 in Breast Cancer Patients With Recurrent Brain Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "ANG1005",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Angiochem Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2014-04",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 19,
      "location_summary": "Tucson, Arizona • La Jolla, California • Los Angeles, California + 14 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02048059"
    },
    {
      "nct_id": "NCT00131950",
      "title": "Effect of Lifestyle Factors and Hormone Function on Breast Density in Healthy Hispanic Women Who Are Undergoing Mammography for Breast Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "study of socioeconomic and demographic variables",
          "type": "OTHER"
        },
        {
          "name": "breast imaging study",
          "type": "PROCEDURE"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": null,
      "start_date": "2003-08",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2013-07-10",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00131950"
    },
    {
      "nct_id": "NCT00816530",
      "title": "A Clinical Study to Evaluate Somo•v and Digital Mammography Together as a Breast Cancer Screening Method, Compared to Digital Mammography Alone, in Women With Dense Breasts.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Automated Breast Ultrasound (ABUS) as an adjunct to digital screening mammography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "U-Systems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "25 Years and older · Female only"
      },
      "enrollment_count": 15679,
      "start_date": "2009-03",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 11,
      "location_summary": "Indio, California • Monterey, California • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "Indio",
          "state": "California"
        },
        {
          "city": "Monterey",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00816530"
    },
    {
      "nct_id": "NCT00084344",
      "title": "Effect of 4-Hydroxytamoxifen Gel on Breast Density, Salivary Sex Steroids, and Quality of Life in Premenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "4-hydroxytamoxifen",
          "type": "DRUG"
        },
        {
          "name": "breast imaging study",
          "type": "PROCEDURE"
        },
        {
          "name": "radiomammography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 50 Years · Female only"
      },
      "enrollment_count": null,
      "start_date": "2003-04",
      "completion_date": "2004-07",
      "has_results": false,
      "last_update_posted_date": "2012-05-30",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00084344"
    },
    {
      "nct_id": "NCT05016310",
      "title": "A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast",
        "Breast Cancer",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "High Dose Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard of Care Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2021-09-16",
      "completion_date": "2024-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05016310"
    },
    {
      "nct_id": "NCT04904757",
      "title": "Contrast-enhanced Spectral Mammography (CESM) Breast Cancer Screening",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mammographic Breast Density",
        "Mammography"
      ],
      "interventions": [
        {
          "name": "Contrast-enhanced spectral mammography (CESM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 69 Years · Female only"
      },
      "enrollment_count": 210,
      "start_date": "2019-09-19",
      "completion_date": "2023-06",
      "has_results": false,
      "last_update_posted_date": "2022-11-17",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904757"
    },
    {
      "nct_id": "NCT03657628",
      "title": "Physical Activity, Proliferation and Immune Markers in Benign Breast Tissue",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-09-17",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03657628"
    },
    {
      "nct_id": "NCT00263185",
      "title": "High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Calcium carbonate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 63,
      "start_date": "2005-11",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2014-09-22",
      "last_synced_at": "2026-06-11T09:53:38.039Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00263185"
    }
  ]
}