{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+letter&page=2",
    "query": {
      "intervention": "Standard 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=Standard+letter&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T09:17:37.084Z",
  "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": "NCT00610805",
      "title": "Cardiology Prevention in Systemic Lupus Erythematosus (SLE)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Systemic Lupus Erythematosus"
      ],
      "interventions": [
        {
          "name": "Preventive Cardiology",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-11",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2016-01-15",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00610805"
    },
    {
      "nct_id": "NCT06971887",
      "title": "Feasibility Study of Use and Acceptability of New Clear Communication of Lab Test Results (CCLR) Letter for Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Communication"
      ],
      "interventions": [
        {
          "name": "Clear Communication of Lab Test Result letter",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2023-11-06",
      "completion_date": "2024-10-11",
      "has_results": false,
      "last_update_posted_date": "2025-08-26",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06971887"
    },
    {
      "nct_id": "NCT04927013",
      "title": "Connecting Families to Overcome Ovarian Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Message-based Outreach Intervention for Survivors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Outreach for Survivors",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Message-based Outreach Intervention for Close Relatives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Outreach for Close Relatives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2331,
      "start_date": "2021-07-24",
      "completion_date": "2023-02-21",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04927013"
    },
    {
      "nct_id": "NCT04411849",
      "title": "Multilevel HPV Self-Testing Intervention for the Increase of Cervical Cancer Screening Among Women in Appalachia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Carcinoma",
        "Human Papillomavirus Infection"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "HPV Self-Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Patient Navigation Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 64 Years · Female only"
      },
      "enrollment_count": 802,
      "start_date": "2021-08-27",
      "completion_date": "2024-06-11",
      "has_results": true,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 4,
      "location_summary": "Lexington, Kentucky • Columbus, Ohio • Charlottesville, Virginia + 1 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04411849"
    },
    {
      "nct_id": "NCT06416150",
      "title": "Reducing Urban Cervical Cancer Disparities",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cervical Cancer",
        "Papilloma Viral Infection"
      ],
      "interventions": [
        {
          "name": "Stage 1 SOC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 1 HERS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 2 HERS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 2 HERS+HC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 3 SOC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 3 HERS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 3 HERS+HC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 4 HERS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage 4 HERS+HC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Fox Chase Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 546,
      "start_date": "2024-08-28",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 3,
      "location_summary": "New Brunswick, New Jersey • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06416150"
    },
    {
      "nct_id": "NCT03438539",
      "title": "Brief Online Interventions for Alcohol Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Normative Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Inhibitory Control Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Working Memory Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Craig Rush",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 444,
      "start_date": "2018-02-22",
      "completion_date": "2018-07-27",
      "has_results": true,
      "last_update_posted_date": "2020-01-29",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03438539"
    },
    {
      "nct_id": "NCT07653555",
      "title": "Cascade Testing In Identifying At-risk Family Members Of Individuals With Familial Hypercholesterolemia (FH) In PCP",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Familial Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "Cascade testing",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 480,
      "start_date": "2026-10-20",
      "completion_date": "2029-09-20",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07653555"
    },
    {
      "nct_id": "NCT05853848",
      "title": "Mammogram Mail- and Phone-based Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Postcard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Letter",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Auto-dialer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Live call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "51 Years",
        "maximum_age": "74 Years",
        "sex": "FEMALE",
        "summary": "51 Years to 74 Years · Female only"
      },
      "enrollment_count": 14386,
      "start_date": "2023-05-10",
      "completion_date": "2024-07-31",
      "has_results": false,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05853848"
    },
    {
      "nct_id": "NCT04691297",
      "title": "Digitally Enhanced Smoking Cessation for High Risk Smokers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation",
        "Lung Cancer Screening",
        "Smoking, Tobacco",
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Escape",
          "type": "OTHER"
        },
        {
          "name": "Standard Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "55 Years to 77 Years"
      },
      "enrollment_count": 153,
      "start_date": "2021-02-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04691297"
    },
    {
      "nct_id": "NCT01411839",
      "title": "Depression and ART Adherence in HIV+ Latinos",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Symptoms",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy (CBT-AD)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2008-07",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-19",
      "last_synced_at": "2026-09-22T09:17:37.084Z",
      "location_count": 1,
      "location_summary": "El Paso, Texas",
      "locations": [
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01411839"
    }
  ]
}