{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Narrative+message",
    "query": {
      "intervention": "Narrative message"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 40,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Narrative+message&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T12:12:10.538Z",
  "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": "NCT03834974",
      "title": "Social Media Indoor Tanning Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Cancer"
      ],
      "interventions": [
        {
          "name": "Sun Safety Social Media Challenge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Health Social Media Challenge",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 66,
      "start_date": "2020-06-06",
      "completion_date": "2020-10-28",
      "has_results": true,
      "last_update_posted_date": "2022-01-03",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03834974"
    },
    {
      "nct_id": "NCT05821205",
      "title": "Michigan Youth Violence Prevention Center: Building Evidence for Gun Violence Prevention - SafERteens Implementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Violence in Adolescence"
      ],
      "interventions": [
        {
          "name": "Narrative Persuasion",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reciprocity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Personalized Feedback",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Commitment",
          "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": 171,
      "start_date": "2023-02-28",
      "completion_date": "2026-04-13",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 6,
      "location_summary": "Ann Arbor, Michigan • Fruitport, Michigan • Muskegon, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Fruitport",
          "state": "Michigan"
        },
        {
          "city": "Muskegon",
          "state": "Michigan"
        },
        {
          "city": "Muskegon",
          "state": "Michigan"
        },
        {
          "city": "Muskegon",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05821205"
    },
    {
      "nct_id": "NCT03916484",
      "title": "AllyQuest Adherence App Intervention for HIV-positive Men Who Have Sex With Men and Transgender Women: Pilot Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "HIV/AIDS",
        "Medication Adherence",
        "Sexual Behavior",
        "Sexually Transmitted Infections (Not HIV or Hepatitis)"
      ],
      "interventions": [
        {
          "name": "AllyQuest HIV Medication Adherence app-delivered intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AllyQuest HIV Medication Adherence app-delivered intervention + NSC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "29 Years",
        "sex": "MALE",
        "summary": "15 Years to 29 Years · Male only"
      },
      "enrollment_count": 71,
      "start_date": "2020-07-08",
      "completion_date": "2022-06-04",
      "has_results": true,
      "last_update_posted_date": "2023-05-24",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Detroit, Michigan • Newark, New Jersey + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916484"
    },
    {
      "nct_id": "NCT04265794",
      "title": "A Cluster Randomized Trial of the H2GO! Program",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Obesity"
      ],
      "interventions": [
        {
          "name": "H2GO!",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 824,
      "start_date": "2020-10-22",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2025-06-29",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04265794"
    },
    {
      "nct_id": "NCT03712982",
      "title": "Attention to Variability During Infertility",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility",
        "Infertility, Female",
        "Infertility, Male"
      ],
      "interventions": [
        {
          "name": "Attention to Variability - Patient Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention to Variability - Partner Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention to Variability - Patient & Partner",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Infertility Stories - Reading",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Harvard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2016-12-05",
      "completion_date": "2021-01-29",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03712982"
    },
    {
      "nct_id": "NCT02309060",
      "title": "Storytelling Video Intervention for Depressed Primary Care Patients - Open Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Storytelling Video Intervention (sTVi)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Butler Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2016-09",
      "completion_date": "2017-03-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-25",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 2,
      "location_summary": "Pawtucket, Rhode Island • Providence, Rhode Island",
      "locations": [
        {
          "city": "Pawtucket",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02309060"
    },
    {
      "nct_id": "NCT05487625",
      "title": "Effects of Narratives on Demand for Low and High Ventilated Cigarettes and Substitution for Alternative Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "High-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low-ventilated cigarette alone",
          "type": "BEHAVIORAL"
        },
        {
          "name": "High- and low-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low- and high-ventilated cigarette with high-ventilated cigarettes increasing in price",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual, high- and low-ventilated cigarette with usual cigarettes increasing in price.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 89,
      "start_date": "2022-08-08",
      "completion_date": "2024-03-26",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05487625"
    },
    {
      "nct_id": "NCT05764174",
      "title": "Digital Applications to Monitor Novel Coronavirus Disease and Response in Colombia - Syndromic and Vaccination Surveillance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaccination Refusal",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Factual messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Narrative message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mixed message",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2409,
      "start_date": "2022-09-21",
      "completion_date": "2022-12-17",
      "has_results": false,
      "last_update_posted_date": "2023-03-10",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05764174"
    },
    {
      "nct_id": "NCT04763915",
      "title": "Improving Care After Inherited Cancer Testing",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inherited Cancer Syndrome",
        "Prostate Cancer",
        "Colorectal Cancer",
        "Endometrial Cancer",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Correlative Studies (Survey)",
          "type": "OTHER"
        },
        {
          "name": "Correlative Studies (Interview)",
          "type": "OTHER"
        },
        {
          "name": "GeneSHARE",
          "type": "BEHAVIORAL"
        },
        {
          "name": "LivingLabReport",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard-of-care & Adaptive Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Access to Education Materials",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 720,
      "start_date": "2022-08-05",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04763915"
    },
    {
      "nct_id": "NCT03949868",
      "title": "Mindful Attention to Variability in Everyday Memory",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Memory Lapse"
      ],
      "interventions": [
        {
          "name": "High Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Harvard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "65 Years to 80 Years"
      },
      "enrollment_count": 188,
      "start_date": "2018-08-30",
      "completion_date": "2025-04-10",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-10T12:12:10.538Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949868"
    }
  ]
}