{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+message+exposure",
    "query": {
      "intervention": "Control message exposure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 79,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+message+exposure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T16:38:31.609Z",
  "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": "NCT04662593",
      "title": "Koa Family Study--A Community-Based Intervention to Improve Health and Well-Being",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Diet, Healthy",
        "Social Interaction",
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Whole Health Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 70,
      "start_date": "2021-01-04",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2021-10-11",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04662593"
    },
    {
      "nct_id": "NCT07005817",
      "title": "Keep Social Study for Young Adults",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Isolation",
        "Loneliness"
      ],
      "interventions": [
        {
          "name": "Experimental Health Communication",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Simulated Social Media Platform Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 1900,
      "start_date": "2025-05-19",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07005817"
    },
    {
      "nct_id": "NCT05487625",
      "title": "Effects of Narratives on Demand for Low and High Ventilated Cigarettes and Substitution for Alternative Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "High-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High- and low-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low- and high-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual, high- and low-ventilated cigarette with usual cigarettes increasing in price.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2022-08-08",
      "completion_date": "2024-03-26",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05487625"
    },
    {
      "nct_id": "NCT05305235",
      "title": "RCT for Innovating Stress-related eHealth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Sexual Assault",
        "Pain"
      ],
      "interventions": [
        {
          "name": "RISE Guide",
          "type": "DEVICE"
        },
        {
          "name": "Relaxation Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2021-12-01",
      "completion_date": "2024-02-24",
      "has_results": true,
      "last_update_posted_date": "2025-03-05",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina • Austin, Texas",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05305235"
    },
    {
      "nct_id": "NCT03238456",
      "title": "Smoking Cessation for Young Adult Pacific Islanders: Motivating Pacifika Against Cigarettes and Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Use Cessation",
        "Smoking",
        "Smoking Cessation",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Motivating Pacifika Against Cigarettes and Tobacco",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Claremont Graduate University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 278,
      "start_date": "2013-07-11",
      "completion_date": "2015-05-31",
      "has_results": false,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 2,
      "location_summary": "Claremont, California • Fullerton, California",
      "locations": [
        {
          "city": "Claremont",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03238456"
    },
    {
      "nct_id": "NCT05977348",
      "title": "Increasing Food Literacy in Preschoolers to Reduce Obesity Risk",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Preferences",
        "Food Selection",
        "Eating, Healthy",
        "Obesity, Childhood"
      ],
      "interventions": [
        {
          "name": "Healthy Eating Curriculum",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Improving the Classroom Food and Mealtime Environment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ECE Food Acceptance Training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "3 Years to 6 Years"
      },
      "enrollment_count": 770,
      "start_date": "2023-10-03",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-03-17",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05977348"
    },
    {
      "nct_id": "NCT04805515",
      "title": "Impact of Nicotine Messaging on Nicotine Beliefs and Tobacco Use Behavior",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence, Cigarettes"
      ],
      "interventions": [
        {
          "name": "Nicotine Corrective Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 794,
      "start_date": "2021-02-12",
      "completion_date": "2021-05-31",
      "has_results": true,
      "last_update_posted_date": "2022-12-02",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04805515"
    },
    {
      "nct_id": "NCT02749955",
      "title": "Partner Services Pre-exposure Prophylaxis (PS-PrEP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Transmission, Transtheoretical Model of Change"
      ],
      "interventions": [
        {
          "name": "PS-PrEP Intervention Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PrEPLine Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 164,
      "start_date": "2015-11",
      "completion_date": "2018-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-09",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02749955"
    },
    {
      "nct_id": "NCT04272138",
      "title": "A Brief App-based Mobile Health and Well-being Intervention Among Middle-aged Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meditation",
        "Control Group"
      ],
      "interventions": [
        {
          "name": "Calm Meditation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational Podcast Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "40 Years to 64 Years"
      },
      "enrollment_count": 83,
      "start_date": "2020-02-03",
      "completion_date": "2020-06-16",
      "has_results": false,
      "last_update_posted_date": "2022-02-28",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04272138"
    },
    {
      "nct_id": "NCT03763942",
      "title": "HealthMindr App to Increase Pre-exposure Prophylaxis (PrEP) Uptake and Retention Among Men Who Have Sex With Men (MSM)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "HealthMindr App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control App",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "MALE",
        "summary": "18 Years to 34 Years · Male only"
      },
      "enrollment_count": 658,
      "start_date": "2020-01-28",
      "completion_date": "2023-03-17",
      "has_results": true,
      "last_update_posted_date": "2024-06-04",
      "last_synced_at": "2026-09-05T16:38:31.609Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Jackson, Mississippi",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03763942"
    }
  ]
}