{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Information+Letter+and+Booklet",
    "query": {
      "intervention": "Information Letter and Booklet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Information+Letter+and+Booklet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T23:29:22.424Z",
  "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": "NCT00697047",
      "title": "Systems of Support (SOS) to Increase Colon Cancer Screening and Follow-up",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Automated Mailing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Mailing Plus Assisted",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auto Plus Assisted Plus Navigation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "73 Years",
        "sex": "ALL",
        "summary": "50 Years to 73 Years"
      },
      "enrollment_count": 4653,
      "start_date": "2008-07",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00697047"
    },
    {
      "nct_id": "NCT04111887",
      "title": "Pilot Study Comparing Two Versions of Group Cognitive-behavioral Indicated Prevention Programs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms"
      ],
      "interventions": [
        {
          "name": "Group-based therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "28 Years",
        "sex": "ALL",
        "summary": "18 Years to 28 Years"
      },
      "enrollment_count": 91,
      "start_date": "2017-10-10",
      "completion_date": "2018-12-13",
      "has_results": false,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04111887"
    },
    {
      "nct_id": "NCT04683510",
      "title": "Awareness Enhancing Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Research Awareness"
      ],
      "interventions": [
        {
          "name": "Navigation - Study Specific - Researcher Voice",
          "type": "OTHER"
        },
        {
          "name": "Navigation - Study Specific - Cancer Survivor Voice",
          "type": "OTHER"
        },
        {
          "name": "Navigation - Research General - Researcher Voice",
          "type": "OTHER"
        },
        {
          "name": "Navigation - Research General - Cancer Survivor Voice",
          "type": "OTHER"
        },
        {
          "name": "Brochure - Study Specific - Researcher Voice",
          "type": "OTHER"
        },
        {
          "name": "Brochure - Study Specific - Cancer Survivor Voice",
          "type": "OTHER"
        },
        {
          "name": "Brochure - Research General - Researcher Voice",
          "type": "OTHER"
        },
        {
          "name": "Brochure - Research General - Cancer Survivor Voice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 4451,
      "start_date": "2021-04-12",
      "completion_date": "2025-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 2,
      "location_summary": "Birmingham, Alabama • Memphis, Tennessee",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04683510"
    },
    {
      "nct_id": "NCT03147547",
      "title": "Parent Engagement Package: Initial Testing of Strategies to Increase Participation in Parenting Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patient Compliance"
      ],
      "interventions": [
        {
          "name": "Promotional Brochure",
          "type": "OTHER"
        },
        {
          "name": "Family Testimonial Flyer",
          "type": "OTHER"
        },
        {
          "name": "Teacher Endorsement",
          "type": "OTHER"
        },
        {
          "name": "Provider Engagement Call",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 122,
      "start_date": "2009-01",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03147547"
    },
    {
      "nct_id": "NCT00886730",
      "title": "Primary Care Patients With Depression for Internet-Based Social Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Simple Card",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Centered Brochure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physician's endorsement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2008-10",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2012-12-17",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00886730"
    },
    {
      "nct_id": "NCT00582829",
      "title": "Colorectal Cancer Screening Intervention for Family Members of Colorectal Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colorectal",
        "Cancer",
        "Screening",
        "Intervention"
      ],
      "interventions": [
        {
          "name": "Generic Print Intervention",
          "type": "OTHER"
        },
        {
          "name": "Tailored Print Intervention",
          "type": "OTHER"
        },
        {
          "name": "Tailored print plus tailored phone intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 213,
      "start_date": "2003-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2008-11-07",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00582829"
    },
    {
      "nct_id": "NCT02360605",
      "title": "Health Literacy Interventions to Overcome Disparities in CRC Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "automated telephone reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "prevention coordinator",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health literacy appropriate education and demonstration",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 620,
      "start_date": "2015-02",
      "completion_date": "2018-11-06",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Shreveport, Louisiana",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02360605"
    },
    {
      "nct_id": "NCT00246051",
      "title": "Comprehensive Police Fatigue Management Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorders",
        "Sleep Apnea, Obstructive",
        "Restless Legs Syndrome",
        "Sleep Disorders, Circadian Rhythm",
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Sleep Hygiene Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Expert-Led Sleep Disorders Screening and Treatment",
          "type": "OTHER"
        },
        {
          "name": "Online Sleep Disorders Screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 683,
      "start_date": "2005-11",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2013-08-15",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00246051"
    },
    {
      "nct_id": "NCT03081507",
      "title": "Muslim Americans Reaching for Health and Building Alliances (MARHABA): Patient Navigation Intervention to Increase Breast and Cervical Cancer Screening Among Muslim Women in New York City",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "SM-LHW",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PN-LHW",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 432,
      "start_date": "2017-03-01",
      "completion_date": "2018-09-28",
      "has_results": false,
      "last_update_posted_date": "2018-12-05",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03081507"
    },
    {
      "nct_id": "NCT07106359",
      "title": "Initial Testing of a Behavioral Intervention About Genetic Services for Families at Risk of Lynch Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cascade Testing",
        "Lynch Syndrome",
        "Decision Making",
        "Colorectal Cancer",
        "Uterine Cancer",
        "Cancer Prevention"
      ],
      "interventions": [
        {
          "name": "Information Letter and Booklet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information Letter",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2025-09-15",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-24T23:29:22.424Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07106359"
    }
  ]
}