{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=28",
    "query": {
      "intervention": "Messaging",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 3122,
    "total_pages": 313,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T21:03:55.526Z",
  "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": "NCT05000619",
      "title": "Encouraging Overdue Healthcare Appointment Scheduling Among Patients With Chronic Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Promotion",
        "Prevention",
        "Risk Reduction Behavior"
      ],
      "interventions": [
        {
          "name": "Outreach mailer",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Humor/Salience",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Doctor's authority",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information",
          "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": 21562,
      "start_date": "2021-07-12",
      "completion_date": "2022-08-26",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05000619"
    },
    {
      "nct_id": "NCT05795036",
      "title": "Using a mHealth Intervention to Promote Physical Activity in Phase III Cardiac Rehabilitation Clients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Rehabilitation",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "mHealth 1",
          "type": "DEVICE"
        },
        {
          "name": "mHealth 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AdventHealth 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": 46,
      "start_date": "2023-02-17",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2024-07-12",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05795036"
    },
    {
      "nct_id": "NCT04281160",
      "title": "Patient Centered Outcomes Analysis for MS Using a Mobile Application",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "BeCare Mobile App",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "BeCare Link LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2020-02-19",
      "completion_date": "2023-09-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-23",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04281160"
    },
    {
      "nct_id": "NCT05533359",
      "title": "SCALE-UP Utah II: Community-Academic Partnership to Address COVID-19 Conversational Agent Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Text-Messaging (TM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conversational Agent (CA)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Navigation (PN)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2117,
      "start_date": "2023-01-15",
      "completion_date": "2023-11-30",
      "has_results": true,
      "last_update_posted_date": "2025-01-15",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05533359"
    },
    {
      "nct_id": "NCT06485479",
      "title": "Effective Ads for Quitting Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Behaviors"
      ],
      "interventions": [
        {
          "name": "Intervention ads",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control ads",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1236,
      "start_date": "2024-09-05",
      "completion_date": "2024-10-21",
      "has_results": true,
      "last_update_posted_date": "2025-11-03",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06485479"
    },
    {
      "nct_id": "NCT04974489",
      "title": "Correcting Public Misperceptions About Very Low Nicotine Content Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use, Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Emotion-based messages about the harm of VLNC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Continued-harm-framed messages about the harm of VLNC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Myth-refuting messages about the harm of VLNC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control messages about littering",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1153,
      "start_date": "2021-07-01",
      "completion_date": "2021-08-03",
      "has_results": true,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974489"
    },
    {
      "nct_id": "NCT06013579",
      "title": "Effect of High-Intensity Exercise to Attenuate Cognitive Function Limitations and Train Exercise Habits in Older People Living With HIV",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Phase 1 Gym Exercise HIIT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 1 Gym Exercise CME",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Home Exercise Coaching Text Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phase 2 Home Exercise Control Text Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 110,
      "start_date": "2023-08-01",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Aurora, Colorado • Seattle, Washington",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06013579"
    },
    {
      "nct_id": "NCT01248520",
      "title": "Influenza and Text Messaging in Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "influenza and general health information",
          "type": "OTHER"
        },
        {
          "name": "general health information",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 50 Years · Female only"
      },
      "enrollment_count": 216,
      "start_date": "2010-09",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2018-12-13",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01248520"
    },
    {
      "nct_id": "NCT06500962",
      "title": "Enhanced SUPport for Initiation and paRticipation in a FOOD is Medicine Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Rehabilitation",
        "Nutrition, Healthy",
        "Nutrition Poor"
      ],
      "interventions": [
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text Messaging",
          "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": 84,
      "start_date": "2024-08-12",
      "completion_date": "2026-01-07",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06500962"
    },
    {
      "nct_id": "NCT07681791",
      "title": "Sun Safe Together: A Digital Skin Cancer Prevention Intervention for Adolescents and Their Parents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Cancer Prevention"
      ],
      "interventions": [
        {
          "name": "Teen MMS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Facebook",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2026-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-24T21:03:55.526Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07681791"
    }
  ]
}