{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=15",
    "query": {
      "intervention": "Behavioral Messages",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 1140,
    "total_pages": 114,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Behavioral+Messages&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T15:29:36.193Z",
  "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": "NCT04657250",
      "title": "mHealth for Smoking Cessation in Public Housing",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking cessation + quitline linkage text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Passive quitline referral",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-10-26",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04657250"
    },
    {
      "nct_id": "NCT06117397",
      "title": "A Text Messaging Intervention to Reduce Perinatal Depression Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Episode"
      ],
      "interventions": [
        {
          "name": "Text Messaging Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2024-09-05",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06117397"
    },
    {
      "nct_id": "NCT01537510",
      "title": "Study of Technology to Accelerate Research",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "STAR - Study of Technology to Accelerate Research",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard Pilgrim Health Care",
      "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": 549,
      "start_date": "2010-12",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2013-09-27",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01537510"
    },
    {
      "nct_id": "NCT07769580",
      "title": "Project SPACE: Testing Daily Text Messages to Reduce Alcohol Use and HIV Risk Behavior",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Risk Behavior",
        "Alcohol Abuse"
      ],
      "interventions": [
        {
          "name": "CLT- Concrete text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "CLT- Abstract text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "GamePlan Online Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 240,
      "start_date": "2027-02",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07769580"
    },
    {
      "nct_id": "NCT05612360",
      "title": "Message Encouraging Vaccination in Preparation for the Holidays",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "COVID Booster 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": 520000,
      "start_date": "2022-11-03",
      "completion_date": "2023-02-06",
      "has_results": false,
      "last_update_posted_date": "2023-03-03",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05612360"
    },
    {
      "nct_id": "NCT02124460",
      "title": "Connect 4 Health: An Intervention to Improve Childhood Obesity Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Health Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 721,
      "start_date": "2014-06",
      "completion_date": "2016-11",
      "has_results": true,
      "last_update_posted_date": "2017-04-10",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02124460"
    },
    {
      "nct_id": "NCT03448224",
      "title": "Behavioral Intervention in Reducing Indoor Tanning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Subject"
      ],
      "interventions": [
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Jerod L Stapleton, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 54,
      "start_date": "2018-04-11",
      "completion_date": "2019-08-31",
      "has_results": true,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03448224"
    },
    {
      "nct_id": "NCT01198418",
      "title": "A Web-based Intervention Study to Reduce High-risk Sexual Behavior by Persons Living With HIV AIDS (PLWH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sexually Transmitted Infections",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Experimental",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 181,
      "start_date": "2010-07-09",
      "completion_date": "2017-11-09",
      "has_results": false,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • San Diego, California • Torrance, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01198418"
    },
    {
      "nct_id": "NCT06588556",
      "title": "Improving Needs Among Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Illness",
        "Palliative Care",
        "Older Adults",
        "Informal Caregivers",
        "Care Delivery Model"
      ],
      "interventions": [
        {
          "name": "ICUconnect",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2025-09-16",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • New York, New York • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06588556"
    },
    {
      "nct_id": "NCT06856551",
      "title": "Using Tailored Messages to Encourage Healthy Lifestyle Choices in a Brief, Self-directed Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Control"
      ],
      "interventions": [
        {
          "name": "Minimal contact control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Promotion and Prevention Interventions",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2015-10-30",
      "completion_date": "2017-03-20",
      "has_results": false,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-10-25T15:29:36.193Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06856551"
    }
  ]
}