{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=42",
    "query": {
      "intervention": "Messaging",
      "page": 42
    },
    "page_size": 10
  },
  "pagination": {
    "page": 42,
    "page_size": 10,
    "total_count": 3123,
    "total_pages": 313,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=43&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Messaging&page=41&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T06:11:12.991Z",
  "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": "NCT03420755",
      "title": "Integrating Text Messages Into the Mothers and Babies Course",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Perinatal Depression",
        "Postpartum Depression"
      ],
      "interventions": [
        {
          "name": "Mothers and Babies 1-on-1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mothers and Babies Plus Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 63,
      "start_date": "2017-06-07",
      "completion_date": "2019-03-31",
      "has_results": false,
      "last_update_posted_date": "2019-11-15",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03420755"
    },
    {
      "nct_id": "NCT03836391",
      "title": "Precision Public Health: Enhancing Connections to Develop Just-in-Time Adaptive Intervention Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Nudge",
          "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": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 53,
      "start_date": "2019-02-12",
      "completion_date": "2019-09-16",
      "has_results": false,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03836391"
    },
    {
      "nct_id": "NCT01776255",
      "title": "Healthy Children, Strong Families: American Indian Communities Preventing Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Healthy Children, Strong Families",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Child Safety",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "2 Years to 5 Years"
      },
      "enrollment_count": 900,
      "start_date": "2013-01",
      "completion_date": "2017-04-27",
      "has_results": false,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 5,
      "location_summary": "White Earth, Minnesota • Browning, Montana • Albuquerque, New Mexico + 2 more",
      "locations": [
        {
          "city": "White Earth",
          "state": "Minnesota"
        },
        {
          "city": "Browning",
          "state": "Montana"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Irving",
          "state": "New York"
        },
        {
          "city": "Keshena",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01776255"
    },
    {
      "nct_id": "NCT07693660",
      "title": "VergeRx for Smokers Not Ready to Quit",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "VergeRx",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SmokefreeTXT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NRT Lozenge (Combination)",
          "type": "DRUG"
        },
        {
          "name": "Extended NRT Patch (16 weeks)",
          "type": "DRUG"
        },
        {
          "name": "Standard NRT Patch (8 weeks)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 592,
      "start_date": "2027-12-01",
      "completion_date": "2032-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07693660"
    },
    {
      "nct_id": "NCT06819059",
      "title": "Safety and Effectiveness of a Virtual Pediatric Cardiac Rehabilitation Program or Telerehabilitation in Children With Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Abnormalities",
        "Pulmonary Arterial Hypertension (PAH)",
        "Orthotopic Heart Transplant",
        "Cardiac Rehabilitation",
        "Pediatric Cardiology",
        "Telehealth",
        "Telerehabilitation"
      ],
      "interventions": [
        {
          "name": "Pediatric Cardiac Telerehabilitation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitness Tracker Only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "10 Years to 25 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-05-01",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06819059"
    },
    {
      "nct_id": "NCT06591026",
      "title": "Helpline Pilot Factorial Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heavy Drinking"
      ],
      "interventions": [
        {
          "name": "Standard Helpline (SH)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing (MI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Coping Skills Training (CST)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Automated Text Messaging (ATM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The National Center on Addiction and Substance Abuse at Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2026-06-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06591026"
    },
    {
      "nct_id": "NCT02851459",
      "title": "Tailoring of Vaccine-Focused Messages: Moral Foundations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Vaccinations"
      ],
      "interventions": [
        {
          "name": "Baseline Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pre-intervention Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Morally Congruent Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Morally Non-Congruent Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post-Intervention Survey",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 850,
      "start_date": "2016-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2017-03-10",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02851459"
    },
    {
      "nct_id": "NCT01510678",
      "title": "The Effect of Three Different Dietary Messages on Dietary Intake and Health in Families",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Increase Fruits and Vegetables",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Decrease Snack Foods",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Increase Fruits and Vegetables and Decrease Snack Foods",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Tennessee, Knoxville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 45,
      "start_date": "2012-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 2,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        },
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01510678"
    },
    {
      "nct_id": "NCT02010450",
      "title": "Re-enforcing Safe Sleep Practices for Caregivers With Tangible Incentives",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Safe Sleep Education"
      ],
      "interventions": [
        {
          "name": "Wearable Blanket (Sleep Sack)",
          "type": "OTHER"
        },
        {
          "name": "Incentive Item",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2013-10",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-04-16",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "Wichita, Kansas",
      "locations": [
        {
          "city": "Wichita",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02010450"
    },
    {
      "nct_id": "NCT02512419",
      "title": "Developing a Text-Message Enhanced Physical Activity Intervention for Latino Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inactivity"
      ],
      "interventions": [
        {
          "name": "Text-Enhanced Physical Activity Intervention Arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Education Control Arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Actigraph GT3X",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 48,
      "start_date": "2015-07",
      "completion_date": "2017-12-31",
      "has_results": true,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-10-28T06:11:12.991Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02512419"
    }
  ]
}