{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Personalized+letter",
    "query": {
      "intervention": "Personalized letter"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Personalized+letter&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T22:28:12.736Z",
  "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": "NCT00689013",
      "title": "The Effect of Pharmacist Intervention on the Use of Zostavax in a Community Pharmacy Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Herpes Zoster"
      ],
      "interventions": [
        {
          "name": "Personalized letter",
          "type": "OTHER"
        },
        {
          "name": "Flyer advertisement",
          "type": "OTHER"
        },
        {
          "name": "Newspaper press release",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2008-02",
      "completion_date": "2008-03",
      "has_results": false,
      "last_update_posted_date": "2009-04-23",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 3,
      "location_summary": "Johnson City, Tennessee • Manchester, Tennessee • Murfreesboro, Tennessee",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        },
        {
          "city": "Manchester",
          "state": "Tennessee"
        },
        {
          "city": "Murfreesboro",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689013"
    },
    {
      "nct_id": "NCT05791942",
      "title": "UCLA Health Patient Health Maintenance 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": "Persuasion via anecdote",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral: Action 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": 10583,
      "start_date": "2023-03-23",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05791942"
    },
    {
      "nct_id": "NCT06731426",
      "title": "Multi-session, Personalized Cognitive Bias Modification for Thought-Action-Fusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "OCD"
      ],
      "interventions": [
        {
          "name": "CBM-TAF",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CBM-SMP",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Han Joo Lee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2024-04-18",
      "completion_date": "2026-02-16",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06731426"
    },
    {
      "nct_id": "NCT00760552",
      "title": "Trial of Low and High Intensity Strategies to Maintain BP Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Intensity Intervention",
          "type": "OTHER"
        },
        {
          "name": "Low Intensity Intervention",
          "type": "OTHER"
        },
        {
          "name": "All- 6 month pharmacist intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2009-11",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-04-27",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00760552"
    },
    {
      "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": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05216458"
    },
    {
      "nct_id": "NCT05671380",
      "title": "A Pragmatic Trial of Chronic Disease Approaches to Ameliorate Tobacco Related Cardiovascular Disease Health Disparities",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Cardiovascular Diseases",
        "Tobacco Use",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Longitudinal Proactive Outreach (LPO).",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ask-Advice-Connect (AAC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2023-05-05",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 3,
      "location_summary": "Minneapolis, Minnesota • Rochester, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05671380"
    },
    {
      "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": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290361"
    },
    {
      "nct_id": "NCT05179538",
      "title": "Genetic and Cognitive Predictors of Aphasia Treatment Response",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aphasia"
      ],
      "interventions": [
        {
          "name": "Cued picture-naming therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 120,
      "start_date": "2020-10-23",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05179538"
    },
    {
      "nct_id": "NCT04199117",
      "title": "Health Systems Reach Interventions Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Combination nicotine patch and nicotine mini-lozenge treatment",
          "type": "DRUG"
        },
        {
          "name": "Monetary incentives for initiating treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated tailored outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Care management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wisconsin Tobacco Quit Line referral",
          "type": "OTHER"
        },
        {
          "name": "Primary care provider referral",
          "type": "OTHER"
        },
        {
          "name": "Untailored outreach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiple smoking cessation coaching calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2020-03-11",
      "completion_date": "2024-10-16",
      "has_results": true,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199117"
    },
    {
      "nct_id": "NCT02024685",
      "title": "Treatment Decision Analysis Model for Prostate Cancer: A Randomized Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adenocarcinoma of Prostate",
        "Adenocarcinoma of the Prostate Stage I",
        "Adenocarcinoma of the Prostate Stage II",
        "Adenocarcinoma of the Prostate Stage III"
      ],
      "interventions": [
        {
          "name": "Personalized Treatment Recommendations",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard patient-physician counseling interaction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 76,
      "start_date": "2013-08",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2015-11-10",
      "last_synced_at": "2026-09-05T22:28:12.736Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024685"
    }
  ]
}