{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=12",
    "query": {
      "intervention": "Control Message",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 1431,
    "total_pages": 144,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T07:12:34.496Z",
  "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": "NCT04567394",
      "title": "Cannabis Use Disorder Treatment Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis Use Disorder, Mild",
        "Cannabis Use Disorder, Moderate",
        "Cannabis Use Disorder, Severe"
      ],
      "interventions": [
        {
          "name": "Peer Network Counseling-txt",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 1077,
      "start_date": "2019-08-01",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 2,
      "location_summary": "Fort Collins, Colorado • Knoxville, Tennessee",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04567394"
    },
    {
      "nct_id": "NCT02328794",
      "title": "Randomized Clinical Trial to Reduce Harm From Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "E-cigarette free access",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette/NRT/Zyban/Chantix Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outcome Incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss framing incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 6006,
      "start_date": "2015-01-01",
      "completion_date": "2017-04-20",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02328794"
    },
    {
      "nct_id": "NCT03925220",
      "title": "Testing a Brief Substance Misuse Preventative Intervention for Parents/Guardians of 5th-7th Grade Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance-Related Disorders",
        "Underage Drinking",
        "Drug Use"
      ],
      "interventions": [
        {
          "name": "The SUPPER Project",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Improving nutrition and physical activity among youth",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "9 Years to 14 Years"
      },
      "enrollment_count": 402,
      "start_date": "2019-03-06",
      "completion_date": "2025-01-30",
      "has_results": true,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03925220"
    },
    {
      "nct_id": "NCT04075682",
      "title": "Cigarette Pack Inserts for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Inserts with efficacy messages",
          "type": "OTHER"
        },
        {
          "name": "Pictorial warnings on packs",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 387,
      "start_date": "2019-08-01",
      "completion_date": "2021-06-29",
      "has_results": true,
      "last_update_posted_date": "2024-05-13",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 2,
      "location_summary": "Ithaca, New York • Columbia, South Carolina",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04075682"
    },
    {
      "nct_id": "NCT02966054",
      "title": "Self-monitoring and Reminder Texts to Increase Physical Activity After Cancer: a Pilot Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Cancer",
        "Rectum Cancer"
      ],
      "interventions": [
        {
          "name": "Digital Health Physical Activity Intervention Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 42,
      "start_date": "2014-08",
      "completion_date": "2017-06-20",
      "has_results": false,
      "last_update_posted_date": "2018-04-09",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02966054"
    },
    {
      "nct_id": "NCT02851459",
      "title": "Tailoring of Vaccine-Focused Messages: Moral Foundations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Vaccinations"
      ],
      "interventions": [
        {
          "name": "Baseline Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre-intervention Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Morally Congruent Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Morally Non-Congruent Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post-Intervention Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 850,
      "start_date": "2016-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-03-10",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02851459"
    },
    {
      "nct_id": "NCT04176146",
      "title": "Nudging Healthcare Organizations to Adopt New Care Delivery Practices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delivery of Health Care"
      ],
      "interventions": [
        {
          "name": "Peer comparison and social norms messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock 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": 2387,
      "start_date": "2019-12-09",
      "completion_date": "2020-06-08",
      "has_results": false,
      "last_update_posted_date": "2020-06-26",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176146"
    },
    {
      "nct_id": "NCT07005362",
      "title": "Fitbit and AI Chatbot in Sedentary Primary Care Patients With T2D",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Type 2 Diabetes",
        "Type 2 Diabetes Mellitus (T2DM)",
        "T2DM (Type 2 Diabetes Mellitus)",
        "T2D",
        "T2DM",
        "Remote Patient Monitoring",
        "Artificial Intelegence"
      ],
      "interventions": [
        {
          "name": "Fitbit and AI Chatbot",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Routine Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 35,
      "start_date": "2025-09-03",
      "completion_date": "2026-08-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07005362"
    },
    {
      "nct_id": "NCT04068727",
      "title": "LEAVE Safe With DOACs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Venous Thromboembolism",
        "Atrial Fibrillation",
        "Bleeding",
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Clinical Pharmacist Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 561,
      "start_date": "2019-12-02",
      "completion_date": "2022-09-14",
      "has_results": false,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04068727"
    },
    {
      "nct_id": "NCT07345676",
      "title": "Colorectal Cancer Screening Outreach",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colo-rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Bundled messaging intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 2000,
      "start_date": "2026-06-23",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-10-18T07:12:34.496Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07345676"
    }
  ]
}