{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer+Stage+0&page=4",
    "query": {
      "condition": "Breast Cancer Stage 0",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 323,
    "total_pages": 33,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer+Stage+0&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer+Stage+0&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T15:55:35.005Z",
  "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": "NCT02336984",
      "title": "A Phase I/II Trial of HER-2/Neu Pulsed DC1 Vaccine Combined With Trastuzumab for Patients With DCIS",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "HER-2 pulsed DC1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "pertuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "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": 0,
      "start_date": "2014-06",
      "completion_date": "2016-04-04",
      "has_results": false,
      "last_update_posted_date": "2021-01-11",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02336984"
    },
    {
      "nct_id": "NCT01060345",
      "title": "A Pilot Study of Chemo-prevention of Green Tea in Women With Ductal Carcinoma in Situ",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ductal Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "Polyphenon E",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "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": 20,
      "start_date": "2010-05",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2020-04-09",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01060345"
    },
    {
      "nct_id": "NCT00662103",
      "title": "Aerobic Exercise, Resistance Exercise, or Flexibility and Relaxation Training in Inactive Older Female Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer Survivor",
        "Fatigue",
        "Long-term Effects Secondary to Cancer Therapy in Adults",
        "Psychosocial Effects of Cancer and Its Treatment"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "assessment of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "fatigue assessment and management",
          "type": "PROCEDURE"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 120 Years · Female only"
      },
      "enrollment_count": 115,
      "start_date": "2008-03",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-15",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00662103"
    },
    {
      "nct_id": "NCT04169542",
      "title": "Impact of COVID-19 Pandemic on Out-of-Pocket Costs, Lost Wages, and Unemployment in Patients With Breast Cancer Undergoing Breast Surgery",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Ductal Carcinoma In Situ",
        "COVID-19 Infection",
        "Hereditary Breast Carcinoma",
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 600,
      "start_date": "2019-05-21",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 4,
      "location_summary": "Conroe, Texas • Houston, Texas • League City, Texas + 1 more",
      "locations": [
        {
          "city": "Conroe",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "League City",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04169542"
    },
    {
      "nct_id": "NCT01796041",
      "title": "Intraoperative Imaging of Breast Cancer With Indocyanine Green",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Invasive Ductal Carcinoma",
        "Invasive Lobular Carcinoma",
        "Ductal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Indocyanine Green",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2011-07",
      "completion_date": "2016-11-09",
      "has_results": false,
      "last_update_posted_date": "2021-01-28",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01796041"
    },
    {
      "nct_id": "NCT00555152",
      "title": "Lapatinib Ditosylate in Treating Patients With Ductal Breast Carcinoma In Situ",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ductal Breast Carcinoma In Situ",
        "HER2/Neu Positive"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lapatinib Ditosylate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2009-08-19",
      "completion_date": "2014-08-28",
      "has_results": true,
      "last_update_posted_date": "2018-04-20",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Houston, Texas",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00555152"
    },
    {
      "nct_id": "NCT00026286",
      "title": "Hormone Replacement Therapy for Hot Flashes and/or Vaginal Symptoms in Postmenopausal Women Receiving Tamoxifen for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Hot Flashes",
        "Menopausal Symptoms"
      ],
      "interventions": [
        {
          "name": "conjugated estrogens",
          "type": "DRUG"
        },
        {
          "name": "medroxyprogesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": null,
      "start_date": "2000-11-28",
      "completion_date": "2007-06-15",
      "has_results": false,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 24,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Decatur, Illinois + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Decatur",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00026286"
    },
    {
      "nct_id": "NCT01185145",
      "title": "Accelerated Partial Breast Radiotherapy With Either Mammosite or Intensity Modulated Radiotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast Brachytherapy with Mammosite RTS",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Rocky Mountain Cancer Centers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 291,
      "start_date": "2004-02",
      "completion_date": "2024-08",
      "has_results": false,
      "last_update_posted_date": "2013-07-11",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Boulder, Colorado • Denver, Colorado + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185145"
    },
    {
      "nct_id": "NCT04341129",
      "title": "Abbreviated MRI Protocol: Initial Experience With Dotarem® (Gadoterate Meglumine)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Neoplasms",
        "Breast Diseases",
        "Breast Fibroadenoma",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Abbreviated MRI protocol: initial experience with Dotarem® (Gadoterate Meglumine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2020-07-13",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-05",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04341129"
    },
    {
      "nct_id": "NCT03317405",
      "title": "Phase I Trial of Endoxifen Gel Versus Placebo in Women Undergoing Breast Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Carcinoma In Situ",
        "Breast Ductal Carcinoma In Situ",
        "Breast Lobular Carcinoma In Situ",
        "Stage I Breast Cancer AJCC v7",
        "Stage IA Breast Cancer AJCC v7",
        "Stage IB Breast Cancer AJCC v7",
        "Stage II Breast Cancer AJCC v6 and v7",
        "Stage IIA Breast Cancer AJCC v6 and v7",
        "Stage IIB Breast Cancer AJCC v6 and v7",
        "Stage III Breast Cancer AJCC v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Endoxifen Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2018-10-31",
      "completion_date": "2027-08-12",
      "has_results": true,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-06T15:55:35.005Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Chicago, Illinois • New York, New York",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03317405"
    }
  ]
}