{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=34",
    "query": {
      "intervention": "Messaging",
      "page": 34
    },
    "page_size": 10
  },
  "pagination": {
    "page": 34,
    "page_size": 10,
    "total_count": 3122,
    "total_pages": 313,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=35&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=33&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T21:34:28.456Z",
  "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": "NCT00958932",
      "title": "Telecommunication Enhanced Asthma Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Speech recognition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "3 Years to 12 Years"
      },
      "enrollment_count": 1187,
      "start_date": "2009-09",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958932"
    },
    {
      "nct_id": "NCT04906499",
      "title": "Preventing Posttraumatic Osteoarthritis With Physical Activity Promotion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Injuries",
        "Exercise",
        "Cartilage, Articular",
        "Knee Injuries",
        "Osteoarthritis",
        "Osteoarthritis, Knee",
        "Arthritis",
        "Joint Diseases"
      ],
      "interventions": [
        {
          "name": "Physical Activity Promotion",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 7,
      "start_date": "2021-08-01",
      "completion_date": "2022-09-09",
      "has_results": true,
      "last_update_posted_date": "2024-01-29",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04906499"
    },
    {
      "nct_id": "NCT05957393",
      "title": "Improving Physician Vaccine Recommendation Using Social Norms, Trust, and Presumptive Language",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Quantity of vaccination recommendations",
          "type": "OTHER"
        },
        {
          "name": "Quality of vaccination recommendations",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 447,
      "start_date": "2023-09-21",
      "completion_date": "2024-04-24",
      "has_results": false,
      "last_update_posted_date": "2024-05-01",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05957393"
    },
    {
      "nct_id": "NCT04446975",
      "title": "Best Practice Alert for Opioid Prescribing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "BPA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21689,
      "start_date": "2020-07-07",
      "completion_date": "2021-06-08",
      "has_results": true,
      "last_update_posted_date": "2024-03-04",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04446975"
    },
    {
      "nct_id": "NCT05689736",
      "title": "Optimizing an Evidence-Based, Disseminable, Free Internet-Based Parenting Program",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parenting Practices"
      ],
      "interventions": [
        {
          "name": "Motivational Enhancement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Simplification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gamification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Engagement Nudges",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Essentials for Parenting Toddlers and Pre-schoolers (EFP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "New York University",
      "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": 859,
      "start_date": "2023-09-16",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Rockville, Maryland",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05689736"
    },
    {
      "nct_id": "NCT06710509",
      "title": "Patient Reminders Optimizing Mail-in Prevention Testing for Colorectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colon Cancer Screening"
      ],
      "interventions": [
        {
          "name": "Three Messaging Nudges",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Laura Feemster",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 2106,
      "start_date": "2024-12-05",
      "completion_date": "2025-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06710509"
    },
    {
      "nct_id": "NCT06626321",
      "title": "Behavioral Economics to Improve Flu Vaccination Using EHR Nudges Replication",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health",
        "Flu",
        "Flu Vaccination"
      ],
      "interventions": [
        {
          "name": "Pre-visit patient text messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Default pended order",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monthly peer comparison feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High risk bidirectional pre-visit text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 26248,
      "start_date": "2024-10-21",
      "completion_date": "2025-05-28",
      "has_results": true,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Lancaster, Pennsylvania",
      "locations": [
        {
          "city": "Lancaster",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06626321"
    },
    {
      "nct_id": "NCT03808714",
      "title": "Smoking Cessation Tailored to Rural Young Adult African American Men:",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "TOUCHDOWN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 35,
      "start_date": "2016-04-26",
      "completion_date": "2020-08-01",
      "has_results": false,
      "last_update_posted_date": "2021-05-10",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03808714"
    },
    {
      "nct_id": "NCT06516614",
      "title": "Sleep Coach for Adolescents With Type 1 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Sleep Coach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Diabetes Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "11 Years to 17 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-09-18",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06516614"
    },
    {
      "nct_id": "NCT04590066",
      "title": "Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates at a Large Retail Pharmacy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "Flu shot text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 734383,
      "start_date": "2020-09-25",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-10-24T21:34:28.456Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04590066"
    }
  ]
}