{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+letter",
    "query": {
      "intervention": "Standard letter"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 111,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+letter&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T05:51:32.427Z",
  "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": "NCT02395120",
      "title": "Family Access to Dentist Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "Standard letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intervention letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced intervention letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DIG",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced DIG",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "5 Years to 10 Years"
      },
      "enrollment_count": 1305,
      "start_date": "2015-08",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2022-06-16",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio • Seattle, Washington",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02395120"
    },
    {
      "nct_id": "NCT01323309",
      "title": "Trial of Individual Psychosocial Interventions for Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Solid Tumor Diseases"
      ],
      "interventions": [
        {
          "name": "Individual Meaning-Centered Psychotherapy (IMCP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "standard Individual Supportive Psychotherapy (ISP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "enhanced usual care (EUC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 346,
      "start_date": "2011-03-22",
      "completion_date": "2023-02-22",
      "has_results": true,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01323309"
    },
    {
      "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": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01561326"
    },
    {
      "nct_id": "NCT03181334",
      "title": "The C-SPAN Coalition: Colorectal Cancer Screening and Patient Navigation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Branch I",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Branch II",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Branch III",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Branch IV",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Branch V",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "50 Years to 74 Years"
      },
      "enrollment_count": 7711,
      "start_date": "2017-09-05",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 2,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03181334"
    },
    {
      "nct_id": "NCT05216458",
      "title": "Using Personalized Letters and Emails to Increase Health Insurance Take-up and Improve Plan Choice Quality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Emails and letter intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Office of Evaluation Sciences",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 44000,
      "start_date": "2021-05-27",
      "completion_date": "2021-08-31",
      "has_results": false,
      "last_update_posted_date": "2022-01-31",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216458"
    },
    {
      "nct_id": "NCT05209880",
      "title": "Advance Care Planning in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congestive Heart Failure",
        "Metastatic Cancer",
        "Chronic Kidney Disease Requiring Chronic Dialysis",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "ED GOAL",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2022-03-01",
      "completion_date": "2024-07-01",
      "has_results": true,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05209880"
    },
    {
      "nct_id": "NCT05912842",
      "title": "Forging Sustainable Solutions for HIV Continuity of Care Through Medical-legal Partnerships",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Organizational Partnerships for Healthy Living",
        "Standard of Care"
      ],
      "interventions": [
        {
          "name": "Organizational Partnerships for Healthy Living",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 200,
      "start_date": "2022-10-01",
      "completion_date": "2024-06",
      "has_results": false,
      "last_update_posted_date": "2023-06-23",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05912842"
    },
    {
      "nct_id": "NCT05356702",
      "title": "The Brain Health Study: A Pragmatic, Patient-Centered Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dementia",
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Brain Health Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 3417,
      "start_date": "2022-06-29",
      "completion_date": "2026-03-03",
      "has_results": true,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 5,
      "location_summary": "Burien, Washington • Kent, Washington • Renton, Washington + 1 more",
      "locations": [
        {
          "city": "Burien",
          "state": "Washington"
        },
        {
          "city": "Kent",
          "state": "Washington"
        },
        {
          "city": "Renton",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05356702"
    },
    {
      "nct_id": "NCT05513833",
      "title": "School Screening and Telemedicine Specialty Referral to Address Childhood Hearing Loss in Rural Kentucky",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Standard School Screening and Referral",
          "type": "OTHER"
        },
        {
          "name": "Enhanced mHealth Screening",
          "type": "OTHER"
        },
        {
          "name": "Specialty Telemedicine Referral",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "3 Years to 11 Years"
      },
      "enrollment_count": 18000,
      "start_date": "2022-09-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05513833"
    },
    {
      "nct_id": "NCT07290361",
      "title": "Stratified Targeted Engagement From Primary Care to Physical Therapy (STEPPT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain",
        "Neck Pain"
      ],
      "interventions": [
        {
          "name": "Engagement of clinic leadership (System Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Engagement of clinic leadership (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Registry (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delivery of Patient Education Materials (System Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delivery of Patient Education Materials (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Referral Specialist Training (System Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Health Navigator Training (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Care Navigation (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Care navigation audit and feedback (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Primary Care Provider training (Provider Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nurse/Medical Assistant Training (Provider Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provider feedback on PT referral and adherence (Provider Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient education on spine pain condition (Patient Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient education on spine pain condition (Patient Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Education on Physical Referral by Providers (Patient Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Education on Physical Referral by Providers (Patient Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Electronic Patient Education on Physical Therapy Referral (Patient Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient education on physical therapy referral by Referral Specialist (Patient Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient education on physical therapy referral by Patient Health Navigator (Patient Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Care Navigation (System Intervention - Usual Care)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monitoring of PT referral and adherence rates (System Intervention - STEPPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monitoring of PT referral and adherence rates (System intervention - Usual Care)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17587,
      "start_date": "2025-12-01",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-06T05:51:32.427Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290361"
    }
  ]
}