{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Direct+Mail&page=3",
    "query": {
      "intervention": "Direct Mail",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Direct+Mail&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Direct+Mail&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T14:08:53.445Z",
  "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": "NCT01051713",
      "title": "ENGAGED: E-Networks Guiding Adherence to Goals for Exercise and Diet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Technology Supported",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 96,
      "start_date": "2011-07",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2016-11-11",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01051713"
    },
    {
      "nct_id": "NCT03246438",
      "title": "Choice Architecture and Colorectal Cancer Screening Outreach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of Colon"
      ],
      "interventions": [
        {
          "name": "Colonoscopy only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colonoscopy outreach + mailed FIT follow-up",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colonoscopy + Mailed FIT outreach and follow-up",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 423,
      "start_date": "2017-11-14",
      "completion_date": "2018-07-14",
      "has_results": false,
      "last_update_posted_date": "2019-02-20",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03246438"
    },
    {
      "nct_id": "NCT03959267",
      "title": "Testing a Culturally Adapted Telephone Genetic Counseling Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Hereditary Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Genetic Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 90 Years · Female only"
      },
      "enrollment_count": 37,
      "start_date": "2017-07-07",
      "completion_date": "2021-01-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-01",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Hackensack, New Jersey • Alexandria, Virginia + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Alexandria",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03959267"
    },
    {
      "nct_id": "NCT03241771",
      "title": "Impact of Direct Outreach to Expand Access to Naloxone in the Context of Standing Orders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Abuse",
        "Overdose",
        "Risk Behavior"
      ],
      "interventions": [
        {
          "name": "Naloxone Navigator 1.0",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 325,
      "start_date": "2017-08-14",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-24",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03241771"
    },
    {
      "nct_id": "NCT05191446",
      "title": "Coronavirus Disease 2019 (Covid-19) Impact on Alcohol-related Liver Disease Patient Outcomes, Care and Alcohol Use",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Diseases",
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Stepped alcohol intervention (SAT) to reduce unhealthy alcohol use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care (UC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2022-02-01",
      "completion_date": "2028-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05191446"
    },
    {
      "nct_id": "NCT04599725",
      "title": "Feasibility of Telemedicine Medical Abortion",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "medical abortion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gynuity Health Projects",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "10 Years to 50 Years · Female only"
      },
      "enrollment_count": 413,
      "start_date": "2020-10-01",
      "completion_date": "2021-10-01",
      "has_results": false,
      "last_update_posted_date": "2022-02-04",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 15,
      "location_summary": "Denver, Colorado • Washington D.C., District of Columbia • Atlanta, Georgia + 12 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04599725"
    },
    {
      "nct_id": "NCT01736085",
      "title": "Providing Free Nicotine Patches to Quitline Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Voucher",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patches",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3706,
      "start_date": "2013-04",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2020-02-19",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01736085"
    },
    {
      "nct_id": "NCT04474483",
      "title": "Safety and Efficacy of Melatonin in Outpatients Infected With COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Melatonin",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Methylcellulose) capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2020-11-06",
      "completion_date": "2022-07-22",
      "has_results": true,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04474483"
    },
    {
      "nct_id": "NCT00287586",
      "title": "Testosterone Replacement in Older Men and Atherosclerosis Progression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypogonadism",
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "Testosterone Gel (Androgel)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "60 Years and older · Male only"
      },
      "enrollment_count": 308,
      "start_date": "2004-09",
      "completion_date": "2012-05-12",
      "has_results": true,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00287586"
    },
    {
      "nct_id": "NCT01287377",
      "title": "Smoking Cessation With the Nicotine Patch: A Pilot Study of Patch Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Patches",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 243,
      "start_date": "2010-11",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-10-26T14:08:53.445Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01287377"
    }
  ]
}