{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=28",
    "query": {
      "intervention": "Behavioral Messages",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 1140,
    "total_pages": 114,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T10:27:42.863Z",
  "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": "NCT02923271",
      "title": "Promoting Intrafamily Accountability for Reducing Cellphone Use While Driving in Adults and Their Teen Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Teen Drivers",
        "Motor Vehicle Accidents"
      ],
      "interventions": [
        {
          "name": "CellControl",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "16 Years to 17 Years"
      },
      "enrollment_count": 34,
      "start_date": "2016-12-07",
      "completion_date": "2017-11-16",
      "has_results": true,
      "last_update_posted_date": "2019-08-20",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02923271"
    },
    {
      "nct_id": "NCT07074171",
      "title": "Examining How a Text Message-based Educational Intervention Influences COVID-19 Testing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19 Testing Behaviors"
      ],
      "interventions": [
        {
          "name": "Text message-based education intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Historical Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 384,
      "start_date": "2023-04-03",
      "completion_date": "2024-12-12",
      "has_results": true,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 3,
      "location_summary": "Brownsville, Texas • Houston, Texas • Tyler, Texas",
      "locations": [
        {
          "city": "Brownsville",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Tyler",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07074171"
    },
    {
      "nct_id": "NCT06292130",
      "title": "Health-Kit Enabled Mobile App for Tobacco Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "refresh",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pro-Change Behavior Systems",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2022-03-21",
      "completion_date": "2023-09-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "South Kingstown, Rhode Island",
      "locations": [
        {
          "city": "South Kingstown",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06292130"
    },
    {
      "nct_id": "NCT01197352",
      "title": "Pilot Study of a Text Message Platform to Reduce Risky Drinking in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Abuse",
        "Alcohol Consumption",
        "Drinking Behavior"
      ],
      "interventions": [
        {
          "name": "Motivational and Normative Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Awareness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 45,
      "start_date": "2010-08",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2012-05-21",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01197352"
    },
    {
      "nct_id": "NCT02043093",
      "title": "Effectiveness Trial of Youth Suicide Prevention Delivered by Teen Peer Leaders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide Prevention"
      ],
      "interventions": [
        {
          "name": "Sources of Strength",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 17603,
      "start_date": "2010-08",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2017-01-05",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02043093"
    },
    {
      "nct_id": "NCT00947947",
      "title": "Computerized HIV/Sexually Transmitted Disease (STD) Prevention Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acquired Immunodeficiency Syndrome",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tailored Information Program for Safer Sex",
          "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": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 274,
      "start_date": "2010-02",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2013-11-15",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00947947"
    },
    {
      "nct_id": "NCT01125371",
      "title": "Computerized Brief Alcohol Intervention (BI) for Binge Drinking HIV At-Risk and Infected Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol; Harmful Use",
        "Binge Drinking",
        "Risk Behavior",
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Computerized brief alcohol intervention + IVR booster calls",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized brief alcohol intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 439,
      "start_date": "2011-10",
      "completion_date": "2016-06-07",
      "has_results": true,
      "last_update_posted_date": "2022-06-24",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01125371"
    },
    {
      "nct_id": "NCT04373434",
      "title": "Healthy Homes/Healthy Families (HH/HF) Intervention in 2-1-1 Callers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Change, Body"
      ],
      "interventions": [
        {
          "name": "Health Homes/Healthy Families (HH/HF) Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 512,
      "start_date": "2020-09-18",
      "completion_date": "2023-08-28",
      "has_results": true,
      "last_update_posted_date": "2025-10-22",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04373434"
    },
    {
      "nct_id": "NCT07171164",
      "title": "A Study to Evaluate Community-Based Measures to Increase RSV Vaccine Use Among Latino Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Older Adults Without Any Specific Clinical Condition",
        "Social Networks",
        "RSV Immunization",
        "Vaccine Uptake"
      ],
      "interventions": [
        {
          "name": "Motivate Aim: CHW text message reminders and counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivate Aim: CHW text message reminders only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Activate Aim: CHW text message reminders and counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Activate Aim: CHW text message reminders only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 750,
      "start_date": "2025-09-10",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07171164"
    },
    {
      "nct_id": "NCT03294590",
      "title": "Interactive Parent-Targeted Text Messaging in Pediatric Clinics to Reduce Caries Among Urban Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caries, Dental",
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "OHT Parent targeted text messages",
          "type": "OTHER"
        },
        {
          "name": "CWT Parent targeted text messages",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Months",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "0 Months to 7 Years"
      },
      "enrollment_count": 754,
      "start_date": "2018-03-09",
      "completion_date": "2022-02-28",
      "has_results": true,
      "last_update_posted_date": "2023-10-24",
      "last_synced_at": "2026-10-29T10:27:42.863Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03294590"
    }
  ]
}