{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letters&page=2",
    "query": {
      "intervention": "Letters",
      "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=Letters&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T11:58:44.366Z",
  "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": "NCT00870545",
      "title": "Reintegration: The Role of Spouse Telephone BATTLEMIND Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Military Spouses",
        "Support Groups",
        "Stress Disorders",
        "Combat Disorders"
      ],
      "interventions": [
        {
          "name": "Telephone support groups",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memphis VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 86,
      "start_date": "2009-09",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2017-06-28",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00870545"
    },
    {
      "nct_id": "NCT04406714",
      "title": "Scaling CRC Screening Through Outreach, Referral, and Engagement (SCORE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Trial Mailed FIT Intervention - Age Group 50-75",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sub-Study Mailed FIT Intervention Enhanced Envelope - Age Group 45-49",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sub-Study Mailed FIT Active Comparator Plain Envelope - Age Group 45-49",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 4318,
      "start_date": "2020-07-07",
      "completion_date": "2024-09-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 2,
      "location_summary": "Ahoskie, North Carolina • Hendersonville, North Carolina",
      "locations": [
        {
          "city": "Ahoskie",
          "state": "North Carolina"
        },
        {
          "city": "Hendersonville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04406714"
    },
    {
      "nct_id": "NCT02578628",
      "title": "Discontinuation of Automated Engagement Support",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Patient Engagement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 488,
      "start_date": "2015-10",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2018-05-08",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Palm Desert, California",
      "locations": [
        {
          "city": "Palm Desert",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02578628"
    },
    {
      "nct_id": "NCT06275815",
      "title": "Promoting Caregiver Implementation of an Effective Early Learning Intervention",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Developmental Language Disorder",
        "Reading; Difficult"
      ],
      "interventions": [
        {
          "name": "Sit Together and Read (STAR)",
          "type": "OTHER"
        },
        {
          "name": "Monetary Reward",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Encouragement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "48 Months",
        "maximum_age": "71 Months",
        "sex": "ALL",
        "summary": "48 Months to 71 Months"
      },
      "enrollment_count": 320,
      "start_date": "2024-04-10",
      "completion_date": "2028-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06275815"
    },
    {
      "nct_id": "NCT00984841",
      "title": "Can Tailored Patient Letters Improve The Quality Of Diabetic Patient Care?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Tailored letter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Scranton-Temple Residency Program",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 467,
      "start_date": "2009-01",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2009-09-25",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Scranton, Pennsylvania",
      "locations": [
        {
          "city": "Scranton",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984841"
    },
    {
      "nct_id": "NCT05528939",
      "title": "Feasibility/Acceptability of Attentional-Control Training in Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Cancer",
        "Pediatric ALL",
        "Pediatric Brain Tumor",
        "Attention Difficulties",
        "Cognitive Deficit in Attention"
      ],
      "interventions": [
        {
          "name": "EndeavorRx",
          "type": "DEVICE"
        },
        {
          "name": "Control video game",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "8 Years to 16 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-06-14",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05528939"
    },
    {
      "nct_id": "NCT03310281",
      "title": "Software Treatments for Actively Reducing Severity of Cognitive Deficits in MDD (STARS-MDD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "HOLD: Videogame",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Akili Interactive Labs, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-12-04",
      "completion_date": "2018-11-14",
      "has_results": false,
      "last_update_posted_date": "2018-11-21",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 4,
      "location_summary": "Garden Grove, California • North Miami, Florida • Charleston, North Carolina",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "North Miami",
          "state": "Florida"
        },
        {
          "city": "North Miami",
          "state": "Florida"
        },
        {
          "city": "Charleston",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03310281"
    },
    {
      "nct_id": "NCT07173049",
      "title": "Speech Production Enhancement Using Augmentative Communication for Kids",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cerebral Palsy (CP)",
        "Intelligibility, Speech",
        "Augmentative and Alternative Communication"
      ],
      "interventions": [
        {
          "name": "AAC Speech supplementation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "7 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2026-07-27",
      "completion_date": "2029-07",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07173049"
    },
    {
      "nct_id": "NCT00462891",
      "title": "A Mammography FastTrack Program in Increasing the Number of Women Undergoing Breast Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "IT System",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 6730,
      "start_date": "2007-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-05-21",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00462891"
    },
    {
      "nct_id": "NCT07270133",
      "title": "Longitudinal Natural History Study of Retinal Function in Eyes of Patients With Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Retinal Disease"
      ],
      "interventions": [
        {
          "name": "Visual Acuity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Reading Speed",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual Field testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Contrast sensitivity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electroretinography (ERG) and pupillography in light- and dark-adapted states",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrawide field-color photograph",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrawide field-Fluorescein angiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optical coherence tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optical coherence tomography- Angiography",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2026-06-01",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-09T11:58:44.366Z",
      "location_count": 4,
      "location_summary": "Augusta, Georgia • Boston, Massachusetts • Detroit, Michigan + 1 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Monroeville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07270133"
    }
  ]
}