{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Mailed+fecal+occult+blood+tests",
    "query": {
      "intervention": "Mailed fecal occult blood tests"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Mailed+fecal+occult+blood+tests&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T13:59:55.769Z",
  "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": "NCT04890054",
      "title": "Screening More Patients for Colorectal Cancer Through Adapting and Refining Targeted Evidence-Based Interventions in Rural Settings, SMARTER CRC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Fecal Immunochemical Test",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Patient Navigation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5696,
      "start_date": "2021-05-14",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04890054"
    },
    {
      "nct_id": "NCT01516489",
      "title": "Improving Fecal Occult Blood Test Completion Rates Among Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Stage 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Corporal Michael J. Crescenz VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 1549,
      "start_date": "2012-02",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-10-26",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01516489"
    },
    {
      "nct_id": "NCT04548531",
      "title": "Engaging Patients in Colon Cancer Screening Decisions During COVID-19",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Cancer"
      ],
      "interventions": [
        {
          "name": "Shared Decision Making",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 800,
      "start_date": "2020-09-10",
      "completion_date": "2021-04-30",
      "has_results": true,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04548531"
    },
    {
      "nct_id": "NCT01742169",
      "title": "Improving Rates of Colorectal Cancer Screening Among Never Screened Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Outreach and Reminder Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 420,
      "start_date": "2013-01",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2015-01-07",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01742169"
    },
    {
      "nct_id": "NCT05447923",
      "title": "Addressing Disparities in Colorectal Cancer Screening in Black and Underserved Phoenix Communities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Fecal Immunochemical Test",
          "type": "OTHER"
        },
        {
          "name": "Patient Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2022-05-22",
      "completion_date": "2030-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Scottsdale, Arizona",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05447923"
    },
    {
      "nct_id": "NCT04548765",
      "title": "Evaluation of Letters Promoting Colorectal Cancer Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Colorectal"
      ],
      "interventions": [
        {
          "name": "Letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss Frame and Fear Appeals",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transparency",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Default Effect and Presentation of Alternatives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Fear Appeals and Decoy Effect",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14644,
      "start_date": "2020-07-24",
      "completion_date": "2021-07-23",
      "has_results": false,
      "last_update_posted_date": "2021-09-24",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04548765"
    },
    {
      "nct_id": "NCT00534053",
      "title": "Impact of a Mailed Educational Reminder on Fecal Occult Blood Testing (FOBT): A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Cancer"
      ],
      "interventions": [
        {
          "name": "Mailed Educational Reminder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 775,
      "start_date": "2007-06",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2019-07-17",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534053"
    },
    {
      "nct_id": "NCT01453894",
      "title": "Improving Rates of Repeat Colorectal Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Reminder and Outreach Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "51 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "51 Years to 75 Years"
      },
      "enrollment_count": 450,
      "start_date": "2012-03",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2014-08-15",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01453894"
    },
    {
      "nct_id": "NCT00355004",
      "title": "Computerized and Mailed Reminders in Increasing the Rate of Colorectal Cancer Screening in Adults With an Average Risk for Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "counseling intervention",
          "type": "OTHER"
        },
        {
          "name": "fecal occult blood test",
          "type": "PROCEDURE"
        },
        {
          "name": "screening colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Harvard Medical School (HMS and HSDM)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 21860,
      "start_date": "2005-03",
      "completion_date": "2009-02",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00355004"
    },
    {
      "nct_id": "NCT03078361",
      "title": "Latinos CARES (Colorectal Cancer Awareness, Research, Education and Screening)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer",
        "Colorectal Carcinoma"
      ],
      "interventions": [
        {
          "name": "Immunochemical Fecal Occult Blood Test (I-FOBT) Kit",
          "type": "OTHER"
        },
        {
          "name": "LATINOS CARES Toolkit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 159,
      "start_date": "2014-04-28",
      "completion_date": "2022-10-26",
      "has_results": false,
      "last_update_posted_date": "2023-01-11",
      "last_synced_at": "2026-10-05T13:59:55.769Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03078361"
    }
  ]
}