{
  "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": "2026-09-27T06:08:19.015Z",
  "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": "NCT03329066",
      "title": "Sleep Quality in High School Students With Asthma - II",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Sleep",
        "Asthma in Children"
      ],
      "interventions": [
        {
          "name": "MAST - Managing Asthma & Sleep in Teens",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ASMA - Asthma Self-Management for Adol",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information & Referral Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 63,
      "start_date": "2018-04-09",
      "completion_date": "2019-12-12",
      "has_results": false,
      "last_update_posted_date": "2021-03-04",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 2,
      "location_summary": "New York, New York • Providence, Rhode Island",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03329066"
    },
    {
      "nct_id": "NCT04593472",
      "title": "SHARE: Sharing Healthcare Wishes in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Sharing Healthcare Wishes in Primary Care (SHARE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minimally Enhanced Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "80 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "80 Years and older"
      },
      "enrollment_count": 273,
      "start_date": "2020-10-21",
      "completion_date": "2025-02-26",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 9,
      "location_summary": "Baltimore, Maryland • Dundalk, Maryland • Mitchellville, Maryland + 3 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Dundalk",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04593472"
    },
    {
      "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": "2026-09-27T06:08:19.015Z",
      "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": "NCT02268682",
      "title": "Explore Transplant at Home: Improving Low-Income ESRD Patients' Transplant Knowledge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Patient-Guided",
          "type": "OTHER"
        },
        {
          "name": "Educator-Guided",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 558,
      "start_date": "2014-07",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2023-12-28",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02268682"
    },
    {
      "nct_id": "NCT00260169",
      "title": "Determining Depression Treatment Preferences of Low-Income Latinos in Primary Care Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression"
      ],
      "interventions": [
        {
          "name": "Collaborative care treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced usual care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 432,
      "start_date": "2005-11",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2013-12-10",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00260169"
    },
    {
      "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": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00246051"
    },
    {
      "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": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00886730"
    },
    {
      "nct_id": "NCT03470402",
      "title": "Decision Support for BRCA Testing in Ethnically Diverse Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "BRCA1 Mutation",
        "BRCA2 Mutation",
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "RealRisks",
          "type": "OTHER"
        },
        {
          "name": "BNAV",
          "type": "OTHER"
        },
        {
          "name": "iNYP",
          "type": "OTHER"
        },
        {
          "name": "Standard Educational Material",
          "type": "OTHER"
        },
        {
          "name": "High-Risk Message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 75 Years · Female only"
      },
      "enrollment_count": 276,
      "start_date": "2017-12-13",
      "completion_date": "2020-08-17",
      "has_results": false,
      "last_update_posted_date": "2021-04-19",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03470402"
    },
    {
      "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": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00697047"
    },
    {
      "nct_id": "NCT03080701",
      "title": "Financial Incentives to Increase Colorectal Cancer Screening in Priority Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Auto Mailing Plus Money",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auto Mailing Plus Lottery",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "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": 898,
      "start_date": "2017-03-23",
      "completion_date": "2018-11-02",
      "has_results": false,
      "last_update_posted_date": "2019-11-05",
      "last_synced_at": "2026-09-27T06:08:19.015Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03080701"
    }
  ]
}