{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=33",
    "query": {
      "intervention": "Health message",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 1681,
    "total_pages": 169,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Health+message&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T19:45:12.780Z",
  "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": "NCT02721446",
      "title": "MINDSPACE Strategy for Risk Optimization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Standard",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Salience",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Incentive + Salience",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana Institute for Medical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 641,
      "start_date": "2016-06",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-17",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02721446"
    },
    {
      "nct_id": "NCT04620915",
      "title": "Construal Level as a Novel Pathway for Affect Regulation and Cancer Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking Reduction",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "High-level construal",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Down-regulation of craving for cigarettes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Up-regulation of goal energization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oregon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 300,
      "start_date": "2021-10-11",
      "completion_date": "2025-11-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 2,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04620915"
    },
    {
      "nct_id": "NCT01923350",
      "title": "Avoiding Diabetes After Pregnancy Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Reduction"
      ],
      "interventions": [
        {
          "name": "Weight Reduction Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weight Reduction Control Arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tested for diabetes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Not tested for diabetes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Social & Scientific Systems Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2011-12",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2013-08-15",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "Silver Spring, Maryland",
      "locations": [
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01923350"
    },
    {
      "nct_id": "NCT04936776",
      "title": "Pediatric Vaccinations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric ALL",
        "Vaccination",
        "Immunization"
      ],
      "interventions": [
        {
          "name": "Text messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "1 Year to 2 Years"
      },
      "enrollment_count": 1034,
      "start_date": "2021-02-09",
      "completion_date": "2024-01-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04936776"
    },
    {
      "nct_id": "NCT07681791",
      "title": "Sun Safe Together: A Digital Skin Cancer Prevention Intervention for Adolescents and Their Parents",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Cancer Prevention"
      ],
      "interventions": [
        {
          "name": "Teen MMS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Parent Facebook",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2026-08",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-05",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07681791"
    },
    {
      "nct_id": "NCT05783297",
      "title": "Midwest TXTXT Scale up of an Evidence-Based Intervention to Promote HIV Medication Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Treatment Text (TXTXT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard of Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Amy K. Johnson, PhD, MSW",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "16 Years to 35 Years"
      },
      "enrollment_count": 210,
      "start_date": "2023-04-17",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 12,
      "location_summary": "Fort Lauderdale, Florida • Chicago, Illinois • Indianapolis, Indiana + 7 more",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05783297"
    },
    {
      "nct_id": "NCT04948996",
      "title": "Treatment of Depression Using a Mobile Application in the Dominican Republic",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression Mild",
        "Depression Moderate"
      ],
      "interventions": [
        {
          "name": "El Buen Consejo Móvil- Group (EBCM-G)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "El Buen Consejo Móvil- Individual (EBCM-I)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northern Illinois University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 27,
      "start_date": "2021-01-30",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-06-08",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "DeKalb, Illinois",
      "locations": [
        {
          "city": "DeKalb",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04948996"
    },
    {
      "nct_id": "NCT04329897",
      "title": "Acceptance and Commitment Therapy Delivered by Automated Software Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Osteoarthritis",
        "Knee Osteoarthritis",
        "Mental Stress",
        "Coronavirus"
      ],
      "interventions": [
        {
          "name": "Software Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2020-04-05",
      "completion_date": "2020-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-07-16",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04329897"
    },
    {
      "nct_id": "NCT03454308",
      "title": "Patient Centered Health Technology Medication Adherence Program for African American Hypertensives",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Medication Non-Adherence"
      ],
      "interventions": [
        {
          "name": "SMASH",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced SC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "21 Years to 59 Years"
      },
      "enrollment_count": 204,
      "start_date": "2017-04-28",
      "completion_date": "2021-08-17",
      "has_results": true,
      "last_update_posted_date": "2025-06-13",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03454308"
    },
    {
      "nct_id": "NCT01253720",
      "title": "PACE CALL: Weight Loss Study for Childhood Leukemia Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Cancer",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "PACE CALL/Fit4Life",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Huang, Jeannie, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 38,
      "start_date": "2008-06",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2016-01-26",
      "last_synced_at": "2026-10-26T19:45:12.780Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01253720"
    }
  ]
}