{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=chemoprevention&page=2",
    "query": {
      "intervention": "chemoprevention",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 142,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=chemoprevention&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=chemoprevention&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T18:01:49.631Z",
  "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": "NCT00018551",
      "title": "Chemoprevention With Folic Acid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colon Cancer",
        "Adenoma",
        "Colonic Polyps"
      ],
      "interventions": [
        {
          "name": "Folic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": null,
      "start_date": "1998-10",
      "completion_date": "2003-09",
      "has_results": false,
      "last_update_posted_date": "2009-01-21",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00018551"
    },
    {
      "nct_id": "NCT00349011",
      "title": "Genetic Counseling for Menopausal Therapy Decision-Making for Women at Increased Risk for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Personalized risk assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "genetic counseling intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2002-08",
      "completion_date": "2004-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-30",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00349011"
    },
    {
      "nct_id": "NCT00003099",
      "title": "Chemoprevention Therapy Plus Surgery in Treating Women With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fenretinide",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen Citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 52,
      "start_date": "1996-05",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2012-07-30",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003099"
    },
    {
      "nct_id": "NCT00055978",
      "title": "Celecoxib in Preventing Lung Cancer in Former Heavy Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "celecoxib",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2002-10",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2011-06-20",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00055978"
    },
    {
      "nct_id": "NCT00342966",
      "title": "Characterization of the Pharmacokinetics of Oral Selenium Compounds in Humans Before and Following Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 34,
      "start_date": "1999-06-14",
      "completion_date": "2010-07-23",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 2,
      "location_summary": "Beltsville, Maryland • Bethesda, Maryland",
      "locations": [
        {
          "city": "Beltsville",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00342966"
    },
    {
      "nct_id": "NCT03476330",
      "title": "Quercetin Chemoprevention for Squamous Cell Carcinoma in Patients With Fanconi Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fanconi Anemia",
        "Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Quercetin (dietary supplement)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2018-05-08",
      "completion_date": "2026-01-09",
      "has_results": true,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03476330"
    },
    {
      "nct_id": "NCT01372644",
      "title": "Breast Cancer Chemoprevention by SOM230, an IGF-I Action Inhibitor: A Proof of Principle Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atypical Ductal Breast Hyperplasia",
        "Lobular Carcinoma in Situ (LCIS)",
        "Atypical Lobular Hyperplasia (ALH) of Breast"
      ],
      "interventions": [
        {
          "name": "SOM 230 / Pasireotide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2007-11",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2016-12-05",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01372644"
    },
    {
      "nct_id": "NCT02169284",
      "title": "Erlotinib Hydrochloride in Treating Patients With Bladder Cancer Undergoing Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Carcinoma",
        "Recurrent Bladder Carcinoma"
      ],
      "interventions": [
        {
          "name": "Erlotinib Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2014-10-01",
      "completion_date": "2018-03-30",
      "has_results": true,
      "last_update_posted_date": "2020-07-07",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 6,
      "location_summary": "Baltimore, Maryland • Burlington, Massachusetts • Rochester, New York + 3 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02169284"
    },
    {
      "nct_id": "NCT01961869",
      "title": "Black Raspberry Confection in Preventing Oral Cancer in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Fast release BRB confection",
          "type": "OTHER"
        },
        {
          "name": "Intermed release BRB confection",
          "type": "OTHER"
        },
        {
          "name": "Prolong release BRB confection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 67,
      "start_date": "2013-07-02",
      "completion_date": "2014-05-14",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01961869"
    },
    {
      "nct_id": "NCT06096688",
      "title": "Discovering New Targets for Colorectal and Endometrial Cancer Risk Reduction",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal Cancer",
        "Endometrial Cancer",
        "Hereditary Cancer Syndromes"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1120,
      "start_date": "2019-05-29",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-10-04T18:01:49.631Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096688"
    }
  ]
}