{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Reminder+Letter&page=2",
    "query": {
      "intervention": "Reminder Letter",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Reminder+Letter&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T04:11:29.384Z",
  "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": "NCT04395118",
      "title": "STOP HCC: Mailed HCV Treatment Outreach Program for HCC Prevention for Elevated LFTs",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis C",
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "Mailed Outreach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-08-15",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2020-07-02",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04395118"
    },
    {
      "nct_id": "NCT07071454",
      "title": "Preventing Early-Onset Colorectal Cancer in the VA",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms",
        "Mass Screening"
      ],
      "interventions": [
        {
          "name": "Patient intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PCP intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "45 Years to 49 Years"
      },
      "enrollment_count": 536,
      "start_date": "2026-10-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07071454"
    },
    {
      "nct_id": "NCT07436637",
      "title": "Guardant Shield Colorectal Cancer Screening",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Screening Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Sample Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "45 Years to 85 Years"
      },
      "enrollment_count": 500,
      "start_date": "2026-07-22",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07436637"
    },
    {
      "nct_id": "NCT00861666",
      "title": "Forgiveness-Based Writing to Prevent Post-Traumatic Stress Disorder (PTSD) in Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress Disorders, Traumatic",
        "Anxiety Disorders",
        "PTSD"
      ],
      "interventions": [
        {
          "name": "Forgiveness-Based Writing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "South Central VA Mental Illness Research, Education & Clinical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2009-06-03",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00861666"
    },
    {
      "nct_id": "NCT02067507",
      "title": "Increasing Human Papillomavirus Vaccine Uptake in Low-Income, Ethnic Minority Adolescents in Los Angeles County",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Human Papilloma Virus Infection"
      ],
      "interventions": [
        {
          "name": "Tailored education and referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Staff training and patient reminders",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clinic-level reminder systems",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "9 Years to 70 Years"
      },
      "enrollment_count": 53414,
      "start_date": "2012-06",
      "completion_date": "2019-10",
      "has_results": false,
      "last_update_posted_date": "2019-10-25",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 2,
      "location_summary": "Alhambra, California • San Fernando, California",
      "locations": [
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "San Fernando",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02067507"
    },
    {
      "nct_id": "NCT02272244",
      "title": "Increasing Colorectal Cancer (CRC) Screening Among Hispanic Primary Care Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Decision Support & Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Thomas Jefferson University",
      "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": 400,
      "start_date": "2014-10-01",
      "completion_date": "2017-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 3,
      "location_summary": "Allentown, Pennsylvania • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02272244"
    },
    {
      "nct_id": "NCT01332032",
      "title": "Promoting Breast Cancer Screening in Non-adherent Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Reminder Letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reminder Call",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counselor Call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "84 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 84 Years · Female only"
      },
      "enrollment_count": 36348,
      "start_date": "2009-07",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-01",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01332032"
    },
    {
      "nct_id": "NCT05693649",
      "title": "Behavioral Economic Approaches for Population-Based Colorectal Cancer Screening",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "No Direct Patient Outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Colonoscopy Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Direct Patient Outreach: Sequential Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Visit-Based Nudge/Text",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Nudge/Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "50 Years to 72 Years"
      },
      "enrollment_count": 20000,
      "start_date": "2023-06-07",
      "completion_date": "2026-12-21",
      "has_results": false,
      "last_update_posted_date": "2025-09-05",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05693649"
    },
    {
      "nct_id": "NCT05791955",
      "title": "UCLA Health Patient Health Maintenance With Interactive Text Reminder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Maintenance",
        "Diabetes",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Reminder of preventive care measures",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Acknowledgement of personal responsibility",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Planning prompt",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10751,
      "start_date": "2023-05-23",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05791955"
    },
    {
      "nct_id": "NCT01561326",
      "title": "Facilitating Follow-Up Adherence for Abnormal Pap Smears",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uterine Cervical Neoplasms"
      ],
      "interventions": [
        {
          "name": "Cognitive-affective barriers counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-affective barriers counseling via brochure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "standard care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fox Chase 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": 211,
      "start_date": "2005-05",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-03-23",
      "last_synced_at": "2026-09-22T04:11:29.384Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01561326"
    }
  ]
}