{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Modified+risk+message+exposure",
    "query": {
      "intervention": "Modified risk message exposure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Modified+risk+message+exposure&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T16:26:06.327Z",
  "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": "NCT03417440",
      "title": "A Smartphone App to Improve Physical Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sedentary Lifestyle"
      ],
      "interventions": [
        {
          "name": "Physical Activity (PA) Tracker App",
          "type": "OTHER"
        },
        {
          "name": "On Your Feet",
          "type": "OTHER"
        },
        {
          "name": "Coach Me",
          "type": "OTHER"
        },
        {
          "name": "Proof Positive",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "65 Years to 84 Years"
      },
      "enrollment_count": 111,
      "start_date": "2018-04-23",
      "completion_date": "2021-01-12",
      "has_results": true,
      "last_update_posted_date": "2022-11-21",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 2,
      "location_summary": "Glendale, California • Los Angeles, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03417440"
    },
    {
      "nct_id": "NCT03933345",
      "title": "Overdose Risk Management and Naloxone",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Study provides naloxone to participants who wish to have it. Not required to accept naloxone and no control.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Development and Research Institutes, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2019-04-05",
      "completion_date": "2023-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-05-01",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03933345"
    },
    {
      "nct_id": "NCT03930342",
      "title": "Native-Changing High-risk Alcohol Use and Increasing Contraception Effectiveness Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraceptive Usage",
        "Alcohol Use Complicating Childbirth",
        "Alcohol Drinking"
      ],
      "interventions": [
        {
          "name": "Native-CHOICES",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 404,
      "start_date": "2019-03-28",
      "completion_date": "2023-10-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 2,
      "location_summary": "Eagle Butte, South Dakota • Rapid City, South Dakota",
      "locations": [
        {
          "city": "Eagle Butte",
          "state": "South Dakota"
        },
        {
          "city": "Rapid City",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930342"
    },
    {
      "nct_id": "NCT03930654",
      "title": "Leveraging the Emergency Department to Engage African American Women in HIV Pre-Exposure Prophylaxis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "iPrEP",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2019-11-13",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-18",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930654"
    },
    {
      "nct_id": "NCT05506046",
      "title": "Messages About Reduced Nicotine in Combusted Tobacco Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Communication",
        "Smoking",
        "Smoking, Tobacco",
        "Smoking Behaviors",
        "Risk Behavior"
      ],
      "interventions": [
        {
          "name": "Reduced nicotine message exposure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified risk message exposure",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Combined message exposure (reduced nicotine + modified risk)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control message exposure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgia State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1901,
      "start_date": "2022-10-12",
      "completion_date": "2023-02-28",
      "has_results": true,
      "last_update_posted_date": "2024-08-28",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05506046"
    },
    {
      "nct_id": "NCT05606003",
      "title": "Using a Community-level Just-in-Time Adaptive Intervention to Address COVID-19 Testing Disparities",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Multi-Level Multi-Component Intervention (MLI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Community Just-In-Time Adaptive Intervention (Community JITAI)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1280,
      "start_date": "2021-06-07",
      "completion_date": "2022-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-11-04",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 3,
      "location_summary": "Brownsville, Texas • Houston, Texas • Tyler, Texas",
      "locations": [
        {
          "city": "Brownsville",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Tyler",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05606003"
    },
    {
      "nct_id": "NCT01454895",
      "title": "Test of a Web-based Intervention to Promote Hearing Protector Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Noise-induced Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Sampler of hearing protection devices",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Static Web-based information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Interactive Web-based information",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Marjorie McCullagh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 498,
      "start_date": "2011-11",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01454895"
    },
    {
      "nct_id": "NCT07320664",
      "title": "Breast Cancer Study Tracking Risk Awareness of Alcohol Consumption and Improving Knowledge in Young Adult Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Risk"
      ],
      "interventions": [
        {
          "name": "Alcohol and Breast Cancer Risk Messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skin Cancer Risk Messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 500,
      "start_date": "2026-03-19",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07320664"
    },
    {
      "nct_id": "NCT06096519",
      "title": "Effectiveness and Implementation of Text Messaging to Improve HIV Testing in Adolescents",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV"
      ],
      "interventions": [
        {
          "name": "Information, motivation, behavioral skills treatment arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information only control arm",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 360,
      "start_date": "2024-06-13",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096519"
    },
    {
      "nct_id": "NCT05597722",
      "title": "Addressing Cognitive Fog in Long-COVID-19 Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cognitive Impairment",
        "Long COVID"
      ],
      "interventions": [
        {
          "name": "Digital cognitive behavioral intervention-RxWell",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Amphetamine-Dextroamphetamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Eva Szigethy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2023-04-04",
      "completion_date": "2023-05-18",
      "has_results": true,
      "last_update_posted_date": "2024-07-22",
      "last_synced_at": "2026-09-05T16:26:06.327Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05597722"
    }
  ]
}