{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=57",
    "query": {
      "intervention": "Health message",
      "page": 57
    },
    "page_size": 10
  },
  "pagination": {
    "page": 57,
    "page_size": 10,
    "total_count": 1684,
    "total_pages": 169,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=58&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=56&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T03:25:32.447Z",
  "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": "NCT04849052",
      "title": "Text Messaging to Increase Activity in Midlife",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Middle Aged"
      ],
      "interventions": [
        {
          "name": "MASTERY",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attentional Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "45 Years to 64 Years"
      },
      "enrollment_count": 116,
      "start_date": "2021-09-16",
      "completion_date": "2024-09-16",
      "has_results": true,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04849052"
    },
    {
      "nct_id": "NCT05509049",
      "title": "Precision Nudging Drives Wellness Visit Attendance at Scale",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Women's Health",
        "Annual Visit",
        "Well Visit",
        "Health Behavior",
        "Prevention"
      ],
      "interventions": [
        {
          "name": "Precision nudging",
          "type": "OTHER"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Lirio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 65 Years · Female only"
      },
      "enrollment_count": 30068,
      "start_date": "2022-09-07",
      "completion_date": "2024-01-09",
      "has_results": false,
      "last_update_posted_date": "2024-01-17",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05509049"
    },
    {
      "nct_id": "NCT07634432",
      "title": "Bridges: A Digital Intervention to Increase Workplace Belonging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Belonging",
        "Mental Health",
        "LGBTQ"
      ],
      "interventions": [
        {
          "name": "Bridges",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pro-Change Behavior Systems",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2025-08-14",
      "completion_date": "2025-11-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Narragansett, Rhode Island",
      "locations": [
        {
          "city": "Narragansett",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07634432"
    },
    {
      "nct_id": "NCT07009509",
      "title": "Pilot Study of the YES-CAN! Program to Prevent Youth Nicotine Vaping",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Vaping"
      ],
      "interventions": [
        {
          "name": "YES-CAN! program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 1166,
      "start_date": "2024-08-15",
      "completion_date": "2026-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07009509"
    },
    {
      "nct_id": "NCT06818825",
      "title": "Nudging High Emergency Department Utilizers to Consider Non-emergent Healthcare Resources",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Emergency Service, Hospital"
      ],
      "interventions": [
        {
          "name": "Automated interactive messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Live outreach",
          "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": 1126,
      "start_date": "2025-02-03",
      "completion_date": "2025-09-20",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06818825"
    },
    {
      "nct_id": "NCT00684437",
      "title": "Literacy and Smoking Risk Communications",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Focus Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 494,
      "start_date": "2008-05-21",
      "completion_date": "2028-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00684437"
    },
    {
      "nct_id": "NCT07622901",
      "title": "Fasting InTervention for Endometrial Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "Prolonged Overnight Fasting (POF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Specimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Sugar Monitor",
          "type": "OTHER"
        },
        {
          "name": "Hysterectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2026-02-27",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07622901"
    },
    {
      "nct_id": "NCT04465721",
      "title": "TREAT to Improve Cardiometabolic Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Prediabetes"
      ],
      "interventions": [
        {
          "name": "TRE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HABIT",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 57,
      "start_date": "2021-06-14",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04465721"
    },
    {
      "nct_id": "NCT03462511",
      "title": "Hydroxyurea Adherence for Personal Best in Sickle Cell Disease (HABIT): Efficacy Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "HABIT Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        },
        {
          "name": "Education materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2018-08-15",
      "completion_date": "2021-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 4,
      "location_summary": "Manhasset, New York • New York, New York • The Bronx, New York + 1 more",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03462511"
    },
    {
      "nct_id": "NCT05833334",
      "title": "Healthy Homes Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Home Air Radon Testing",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Public health infographic (AIM 3)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online health promotion intervention tailored by smoking status (AIM 3)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Online health promotion intervention tailored by smoking status, plus reminder messages (AIM 3)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Focus group with educational overview (AIM 1)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2023-06-01",
      "completion_date": "2027-08-24",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-11-01T03:25:32.447Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05833334"
    }
  ]
}