{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+message&page=3",
    "query": {
      "intervention": "No message",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 635,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+message&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+message&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T14:12:41.319Z",
  "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": "NCT03947918",
      "title": "Summertime: Kids in Motion",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Short sleep",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Long sleep",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "8 Years to 10 Years"
      },
      "enrollment_count": 34,
      "start_date": "2018-06-17",
      "completion_date": "2020-03-09",
      "has_results": true,
      "last_update_posted_date": "2025-04-25",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03947918"
    },
    {
      "nct_id": "NCT01522287",
      "title": "Computer Assisted Cognitive Behavior Therapy for Obsessive Compulsive Disorder: A Comprehensive Stepped-Care Approach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Obsessive Compulsive Disorder"
      ],
      "interventions": [
        {
          "name": "Computer-Assisted Cognitive Behavior Therapy (BT STEPS)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Center for Psychological Consultation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2012-01",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-03-14",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01522287"
    },
    {
      "nct_id": "NCT03834025",
      "title": "Nudges and Incentives to Enhance the Opioid Treatment Workforce",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Abuse (Disorder)"
      ],
      "interventions": [
        {
          "name": "Phase 1 Condition 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1 Condition 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1 Condition 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1 Condition 4",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Condition 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Condition 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Condition 3",
          "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": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 73,
      "start_date": "2019-02-12",
      "completion_date": "2020-08-28",
      "has_results": true,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834025"
    },
    {
      "nct_id": "NCT07806799",
      "title": "Radon on the RADAR (Residents Acting to Detect and Alleviate Radon) 2.0",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Radon Exposure"
      ],
      "interventions": [
        {
          "name": "Radon Risk Messaging Materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stacy Stanifer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "21 Years to 100 Years"
      },
      "enrollment_count": 500,
      "start_date": "2026-10-06",
      "completion_date": "2029-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07806799"
    },
    {
      "nct_id": "NCT01268085",
      "title": "Radiation Safety Alert",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Radiation Safety"
      ],
      "interventions": [
        {
          "name": "Radiation Alert",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15969,
      "start_date": "2010-12",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2018-06-08",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01268085"
    },
    {
      "nct_id": "NCT03548558",
      "title": "Testing Means to Scale Early Childhood Development Interventions in Rural Kenya",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Child Development"
      ],
      "interventions": [
        {
          "name": "Group sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group+Home sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Booster sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fathers invited",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 1152,
      "start_date": "2018-10-01",
      "completion_date": "2021-10-15",
      "has_results": true,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03548558"
    },
    {
      "nct_id": "NCT05395754",
      "title": "Assessing the Feasibility and Preliminary Impact of a mHealth App on Reducing STI Risk in Black MSM PrEP Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "STI",
        "Sexually Transmitted Diseases",
        "Pre-exposure Prophylaxis"
      ],
      "interventions": [
        {
          "name": "App Intervention",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "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": 71,
      "start_date": "2022-06-01",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 2,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05395754"
    },
    {
      "nct_id": "NCT05424172",
      "title": "Improving Adherence to Spinal Cord Injury Exercise Guidelines Using Smartphone Technology and E-coaching",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries"
      ],
      "interventions": [
        {
          "name": "Stage-I, Group 1: Self monitoring using Non-interactive App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage-I, Group 2: Self monitoring using Interactive App",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage-II, Groups 1a/2a: E-Coaching 1x per month",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stage-II, Groups 1b/2b: E-Coaching 2x per month",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Shirley Ryan AbilityLab",
      "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": 50,
      "start_date": "2022-11-02",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05424172"
    },
    {
      "nct_id": "NCT06784960",
      "title": "Communication Strategies to Increase HPV Vaccinations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Papilloma Viral Infection",
        "Vaccine Hesitancy",
        "Communication"
      ],
      "interventions": [
        {
          "name": "HPV Message 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV Message 2",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HPV Message 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provider Strong-Recommendation Toolkit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 9002,
      "start_date": "2025-02-06",
      "completion_date": "2027-03-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06784960"
    },
    {
      "nct_id": "NCT04110314",
      "title": "Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- RCT 2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Portal Reminders for Influenza Vaccination: Gain-framed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portal Reminders for Influenza Vaccination: Loss-framed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre-commitment prompt",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "4 Months and older"
      },
      "enrollment_count": 430636,
      "start_date": "2019-10-18",
      "completion_date": "2020-04-01",
      "has_results": true,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-21T14:12:41.319Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04110314"
    }
  ]
}