{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out&page=3",
    "query": {
      "intervention": "Opt-out",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 124,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opt-out&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T21:35:54.004Z",
  "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": "NCT07479498",
      "title": "Mountain West Prevention Research Center Core Research Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "Text Message-based recruitment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active outreach follow-up",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Paul Estabrooks",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 600,
      "start_date": "2024-09-30",
      "completion_date": "2029-09-29",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07479498"
    },
    {
      "nct_id": "NCT03246763",
      "title": "Active Recreation Through Community-Healthcare Engagement Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Integrated community-healthcare childhood obesity treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 202,
      "start_date": "2018-06-07",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 7,
      "location_summary": "Biscoe, North Carolina • Durham, North Carolina • Fayetteville, North Carolina + 3 more",
      "locations": [
        {
          "city": "Biscoe",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Fayetteville",
          "state": "North Carolina"
        },
        {
          "city": "Goldsboro",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03246763"
    },
    {
      "nct_id": "NCT04086017",
      "title": "Teaching Caregivers of Hospice Patients to Administer Reiki",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hospice",
        "Pain",
        "Anxiety",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Reiki therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-10-01",
      "completion_date": "2021-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-17",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04086017"
    },
    {
      "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": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05724615"
    },
    {
      "nct_id": "NCT05997225",
      "title": "Tobacco Cessation at FDNY",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "opt out enrollment, tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        },
        {
          "name": "opt in enrollment, non-tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2024-05-31",
      "completion_date": "2025-10-13",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997225"
    },
    {
      "nct_id": "NCT05400434",
      "title": "Natural Helpers and PCIT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Child Behavior",
        "Parenting"
      ],
      "interventions": [
        {
          "name": "Standard Parent-Child Interaction Therapy (PCIT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Natural Helpers (NH)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 300,
      "start_date": "2018-12-03",
      "completion_date": "2026-12-27",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 2,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05400434"
    },
    {
      "nct_id": "NCT00742898",
      "title": "Evaluation of Opt-Out Rapid HIV Testing in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Non-targeted opt-out rapid HIV screening",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Denver Health and Hospital Authority",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 120000,
      "start_date": "2007-04",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2009-09-15",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00742898"
    },
    {
      "nct_id": "NCT07278778",
      "title": "Cancer Care Companion",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pediatric Cancer"
      ],
      "interventions": [
        {
          "name": "Cancer Care Companion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2026-02-04",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07278778"
    },
    {
      "nct_id": "NCT01977495",
      "title": "Take Charge of Your Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "Financial Incentive: Fixed Lottery",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 136,
      "start_date": "2013-12",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-09",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01977495"
    },
    {
      "nct_id": "NCT05618600",
      "title": "Scripps-eMed Covid-19 Study: A Prospective Monitoring Study for Those Individuals Treated With Paxlovid",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Scripps Translational Science Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 917,
      "start_date": "2022-08-04",
      "completion_date": "2024-06-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-10-17T21:35:54.004Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05618600"
    }
  ]
}