{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letter+-+No+Information+Provided",
    "query": {
      "intervention": "Letter - No Information Provided"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Letter+-+No+Information+Provided&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T12:09:44.146Z",
  "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": "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": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199117"
    },
    {
      "nct_id": "NCT07783607",
      "title": "MM-CARE: Cardiovascular Risk Assessment in Adults With Multiple Myeloma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Multiple Myeloma",
        "Heart Disease Risk Factors"
      ],
      "interventions": [
        {
          "name": "Oncology-Embedded Cardiovascular Risk Assessment Pathway",
          "type": "OTHER"
        },
        {
          "name": "Primary Care Provider-Directed Cardiovascular Risk Assessment Pathway",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Vermont Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2028-02-01",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07783607"
    },
    {
      "nct_id": "NCT01988129",
      "title": "Fire Fighter Fatigue Management Program: Operation Healthy Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift-Work Sleep Disorder",
        "Insomnia",
        "Restless Leg Syndrome",
        "Obstructive Sleep Apnea",
        "Impaired Driving",
        "Injuries"
      ],
      "interventions": [
        {
          "name": "Sleep disorders education and screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1189,
      "start_date": "2009-03",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2017-03-16",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988129"
    },
    {
      "nct_id": "NCT05677048",
      "title": "Feasibility Study: IGNITE-TX (Identifying Individuals for Genetic Testing & Treatment) Intervention",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gynecologic Cancer",
        "Ovary Cancer",
        "Pancreatic Cancer",
        "Breast Cancer",
        "Lynch Syndrome",
        "Hereditary Breast and Ovarian Cancer Syndrome",
        "Colon Cancer",
        "Endometrial Cancer",
        "Uterus Cancer"
      ],
      "interventions": [
        {
          "name": "Free genetic testing and counseling group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IGNITE-TX Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "IGNITE-TX and free genetic testing and counseling group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2023-04-14",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05677048"
    },
    {
      "nct_id": "NCT05724615",
      "title": "Default Bulk Ordering and Text Messaging to Enhance Outreach for Lipid Screening (Missing Lipids)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atherosclerotic Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Outreach + Bulk ordering",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outreach + Bulk ordering + Text Based Reminders and Scheduling assistance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "20 Years to 75 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2023-06-05",
      "completion_date": "2023-12-07",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05724615"
    },
    {
      "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": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04927013"
    },
    {
      "nct_id": "NCT02268682",
      "title": "Explore Transplant at Home: Improving Low-Income ESRD Patients' Transplant Knowledge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Patient-Guided",
          "type": "OTHER"
        },
        {
          "name": "Educator-Guided",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 558,
      "start_date": "2014-07",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2023-12-28",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02268682"
    },
    {
      "nct_id": "NCT02245321",
      "title": "Strategies to Reduce Iron Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Deficiency"
      ],
      "interventions": [
        {
          "name": "Ferrous gluconate- 19 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ferrous gluconate- 38 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Letter Group- Information Provided",
          "type": "OTHER"
        },
        {
          "name": "Letter - No Information Provided",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Westat",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 702,
      "start_date": "2011-06",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 4,
      "location_summary": "Farmington, Connecticut • Rockville, Maryland • Pittsburgh, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02245321"
    },
    {
      "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": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07290361"
    },
    {
      "nct_id": "NCT03685981",
      "title": "Methods to Improve Preventative Care Uptake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Knowledge, Attitudes, Practice"
      ],
      "interventions": [
        {
          "name": "Incentives mailer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 3145,
      "start_date": "2018-08-13",
      "completion_date": "2019-12-05",
      "has_results": false,
      "last_update_posted_date": "2020-12-14",
      "last_synced_at": "2026-09-20T12:09:44.146Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03685981"
    }
  ]
}