{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=13",
    "query": {
      "intervention": "Control Message",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 1431,
    "total_pages": 144,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Message&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T07:16:39.643Z",
  "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": "NCT04505371",
      "title": "Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Wellness Intervention for Smokers with HIV",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2021-06-04",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505371"
    },
    {
      "nct_id": "NCT06419218",
      "title": "Increasing School Meal Participation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition, Healthy"
      ],
      "interventions": [
        {
          "name": "School meal messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control (neutral) messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 832,
      "start_date": "2024-09-19",
      "completion_date": "2024-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06419218"
    },
    {
      "nct_id": "NCT07798882",
      "title": "Rule-Based High-Risk Flu",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Vaccination",
        "Risk Reduction",
        "Health Behavior",
        "Health Promotion"
      ],
      "interventions": [
        {
          "name": "Risk reduction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51218,
      "start_date": "2026-09-01",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07798882"
    },
    {
      "nct_id": "NCT02921776",
      "title": "Vidatalk Communication Application: Usability, Acceptability and Efficacy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nonverbal Communication",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "Aim 1 - VidaTalk - post-extubation",
          "type": "OTHER"
        },
        {
          "name": "Aim 2 - VidaTalk - intubated",
          "type": "OTHER"
        },
        {
          "name": "Aim 3 - VidaTalk tablet app",
          "type": "DEVICE"
        },
        {
          "name": "Aim 3 - attention-control with non-VidaTalk tablet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 147,
      "start_date": "2018-02-19",
      "completion_date": "2019-06-11",
      "has_results": true,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02921776"
    },
    {
      "nct_id": "NCT04155736",
      "title": "Testing a Self-Management App for Symptoms of Posttraumatic Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PTSD"
      ],
      "interventions": [
        {
          "name": "Renew",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Palo Alto Veterans Institute for Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2020-07-11",
      "completion_date": "2021-02-06",
      "has_results": false,
      "last_update_posted_date": "2021-03-25",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Menlo Park, California",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155736"
    },
    {
      "nct_id": "NCT01868334",
      "title": "SOP Toolkit in Diverse Practices Implemented & Tested With RE-AIM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adult Influenza Vaccinations",
        "Adult PPSV Vaccinations",
        "Adult Tdap/Td Vaccinations"
      ],
      "interventions": [
        {
          "name": "Pillar 1: Convenient Vaccination Services",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 2: Patient notification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 3: Enhanced Office Systems",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pillar 4: Motivation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70549,
      "start_date": "2013-04",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01868334"
    },
    {
      "nct_id": "NCT07414732",
      "title": "Testing the Effectiveness of a Novel Intervention to Improve Medication Adherence in Stroke Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke",
        "Intracerebral Haemorrhage",
        "Ischemic Stroke",
        "TIA (Transient Ischemic Attack)"
      ],
      "interventions": [
        {
          "name": "Savvy Medication Adherence Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 150,
      "start_date": "2026-03-31",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07414732"
    },
    {
      "nct_id": "NCT05510232",
      "title": "Virtual Reality Distraction During Outpatient Pediatric Orthopedic Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fractures, Bone",
        "Deformity; Bone"
      ],
      "interventions": [
        {
          "name": "A treatment group that will watch a non-VR video via an iPad",
          "type": "DEVICE"
        },
        {
          "name": "A treatment group that will have headset on and will watch a non-VR video",
          "type": "DEVICE"
        },
        {
          "name": "A treatment group that will be immersed in the VR game (Bear Blast) via the headset.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "4 Years to 14 Years"
      },
      "enrollment_count": 226,
      "start_date": "2018-07-25",
      "completion_date": "2022-05-19",
      "has_results": true,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05510232"
    },
    {
      "nct_id": "NCT06424197",
      "title": "Colorectal Cancer Screening Intervention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Racial group-targeted messages",
          "type": "OTHER"
        },
        {
          "name": "Explicit Commitment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oakland University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 799,
      "start_date": "2023-03-01",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Rochester, Michigan",
      "locations": [
        {
          "city": "Rochester",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06424197"
    },
    {
      "nct_id": "NCT03971591",
      "title": "Men Moving Forward: A Lifestyle Program for African-American Prostate Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Immediate Guided Lifestyle Program Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 125,
      "start_date": "2019-06-01",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-18T07:16:39.643Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03971591"
    }
  ]
}