{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=62",
    "query": {
      "intervention": "Health message",
      "page": 62
    },
    "page_size": 10
  },
  "pagination": {
    "page": 62,
    "page_size": 10,
    "total_count": 1684,
    "total_pages": 169,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=63&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=61&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T18:25:26.491Z",
  "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": "NCT03907462",
      "title": "SMART 2.0: Social Mobile Approaches to Reducing weighT in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "SMART 2.0",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "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": 638,
      "start_date": "2019-04-01",
      "completion_date": "2024-02-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03907462"
    },
    {
      "nct_id": "NCT06753669",
      "title": "Mothers' Action Project for Child Health",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries",
        "Obesity Risk"
      ],
      "interventions": [
        {
          "name": "health education and social network building",
          "type": "BEHAVIORAL"
        },
        {
          "name": "dental referral and educational materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "12 Months to 45 Years"
      },
      "enrollment_count": 460,
      "start_date": "2026-02-01",
      "completion_date": "2029-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06753669"
    },
    {
      "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": "2026-11-01T18:25:26.491Z",
      "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": "NCT02490579",
      "title": "Effectiveness of Video Messaging About Diet, Exercise and Weight Gain in Pregnancy in Regional and National Samples",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pregnancy",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "Responses to Brief Video Messages (Facebook)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Response to Brief Video Messages (Clinic)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Response to Brief Video Messages (Social Network)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 1670,
      "start_date": "2015-05",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2016-05-23",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02490579"
    },
    {
      "nct_id": "NCT04716010",
      "title": "Developing and Evaluating Product Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer of Colon",
        "Cancer of Rectum"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "OTHER"
        },
        {
          "name": "Warning Labels",
          "type": "OTHER"
        },
        {
          "name": "Tax",
          "type": "OTHER"
        },
        {
          "name": "Combined Warning Labels and Tax",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4160,
      "start_date": "2021-10-18",
      "completion_date": "2021-10-28",
      "has_results": true,
      "last_update_posted_date": "2023-08-18",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04716010"
    },
    {
      "nct_id": "NCT02005276",
      "title": "Way to Be Active 2 (Lotteries)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Employees"
      ],
      "interventions": [
        {
          "name": "Basic Lottery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combined Lottery",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Jackpot Lottery",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 209,
      "start_date": "2014-02",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02005276"
    },
    {
      "nct_id": "NCT03633825",
      "title": "Brief Online Help-seeking Barrier Reduction Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crisis Intervention",
        "Suicide and Depression"
      ],
      "interventions": [
        {
          "name": "Brief help-seeking barrier reduction intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 39450,
      "start_date": "2017-08-10",
      "completion_date": "2017-09-20",
      "has_results": true,
      "last_update_posted_date": "2023-04-12",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03633825"
    },
    {
      "nct_id": "NCT05613010",
      "title": "Leveraging Technology to Improve Medication Adherence in Youth With Kidney or Liver Transplant",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transplant;Failure,Kidney",
        "Transplant; Failure, Liver",
        "Adherence, Medication",
        "Adherence, Patient",
        "Adherence, Treatment"
      ],
      "interventions": [
        {
          "name": "mHealth Messaging Intervention Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "13 Years to 25 Years"
      },
      "enrollment_count": 65,
      "start_date": "2024-03-19",
      "completion_date": "2027-08-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-30",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05613010"
    },
    {
      "nct_id": "NCT07432555",
      "title": "Testing a Mobile Health Application to Improve HIV Prevention and Substance Use Treatment Among Women Involved in the Carceral System",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Abuse",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Tool to provide re-entry support and improve linkage to healthcare and social services",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Temple University",
      "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": 74,
      "start_date": "2026-10-20",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07432555"
    },
    {
      "nct_id": "NCT06995391",
      "title": "Digitally Rendered Interventions And Knowledge To Limit Ethanol-Associated Atrial Fibrillation Severity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)"
      ],
      "interventions": [
        {
          "name": "Contemporary Guideline-Adherence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Alcohol Abstinence",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2025-04-20",
      "completion_date": "2030-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-11-01T18:25:26.491Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06995391"
    }
  ]
}