{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risk+Message&page=18",
    "query": {
      "intervention": "Risk Message",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 513,
    "total_pages": 52,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risk+Message&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Risk+Message&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T07:39:55.574Z",
  "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": "NCT04919590",
      "title": "Text Message Quit Vaping Intervention for Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Cessation, Tobacco"
      ],
      "interventions": [
        {
          "name": "This is Quitting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Assessment only control",
          "type": "OTHER"
        },
        {
          "name": "Waitlist control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Truth Initiative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 1681,
      "start_date": "2021-10-01",
      "completion_date": "2023-10-18",
      "has_results": true,
      "last_update_posted_date": "2025-03-12",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "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/NCT04919590"
    },
    {
      "nct_id": "NCT00739752",
      "title": "Interventions to Increase HBV Vaccinations in Sexually Transmitted Disease (STD) Clinics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hepatitis B Virus"
      ],
      "interventions": [
        {
          "name": "Non-Framed-Offered",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Framed-Recommended",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gain-Framed-Offered",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gain-Framed-Recommended",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss-Framed-Offered",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss-Framed-Recommended",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1747,
      "start_date": "2003-06",
      "completion_date": "2007-10",
      "has_results": true,
      "last_update_posted_date": "2018-11-09",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00739752"
    },
    {
      "nct_id": "NCT07126613",
      "title": "Mobile Alcohol Use Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol Misuse"
      ],
      "interventions": [
        {
          "name": "Mobile Health Intervention to Reduce Alcohol Use Among Young Adults",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2025-09-29",
      "completion_date": "2026-01-06",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07126613"
    },
    {
      "nct_id": "NCT03833713",
      "title": "Utilizing Text Messaging to Improve Vehicle Safety Among At-Risk Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Risk Reduction"
      ],
      "interventions": [
        {
          "name": "SMS Dialogue",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SMS Assessments",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 218,
      "start_date": "2019-09-26",
      "completion_date": "2021-11-22",
      "has_results": true,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03833713"
    },
    {
      "nct_id": "NCT04902326",
      "title": "Behavioral Economics and Self-Determination Theory to Change Diabetes Risk (BEST Change)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre Diabetes"
      ],
      "interventions": [
        {
          "name": "Automated educational text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Autonomy-supportive automated educational text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored text messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 380,
      "start_date": "2021-09-16",
      "completion_date": "2023-09-18",
      "has_results": true,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04902326"
    },
    {
      "nct_id": "NCT05011253",
      "title": "Electronic Triggers: Microhematuria Trigger",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematuria"
      ],
      "interventions": [
        {
          "name": "Electronic Trigger Microhematuria Alert",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2021-10-06",
      "completion_date": "2022-06-06",
      "has_results": false,
      "last_update_posted_date": "2022-07-14",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05011253"
    },
    {
      "nct_id": "NCT06829953",
      "title": "Get ActivE Study for At-risk Youth",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anhedonia",
        "Depression and Suicide Ideation"
      ],
      "interventions": [
        {
          "name": "GET ActivE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment As Usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 75,
      "start_date": "2025-03-27",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06829953"
    },
    {
      "nct_id": "NCT07322367",
      "title": "A Mobile Patient Health Technology Intervention for Improving Lung Cancer Screening Rates in Eligible High Risk Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Portal Message with Reminder Text Messages",
          "type": "OTHER"
        },
        {
          "name": "Text Message with Reminder Text Messages",
          "type": "OTHER"
        },
        {
          "name": "Portal message only",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "50 Years to 77 Years"
      },
      "enrollment_count": 27000,
      "start_date": "2026-03-25",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07322367"
    },
    {
      "nct_id": "NCT06787937",
      "title": "Communicating About Nicotine Reduction in Cigarettes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Products",
        "Smoking Behavior",
        "Cigarette Use"
      ],
      "interventions": [
        {
          "name": "VLNC messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgia State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1230,
      "start_date": "2025-09-11",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06787937"
    },
    {
      "nct_id": "NCT05345951",
      "title": "Project e-PBI+ - Parent Intervention to Reduce College Student Drinking and Cannabis Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Underage Drinking",
        "Cannabis Use",
        "Drinking, Teen",
        "Drinking, College",
        "College Drinking",
        "Teen Drinking"
      ],
      "interventions": [
        {
          "name": "e-PBI",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "18 Years to 19 Years"
      },
      "enrollment_count": 1980,
      "start_date": "2023-07-13",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-26T07:39:55.574Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05345951"
    }
  ]
}