{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+Warning+Label",
    "query": {
      "intervention": "Text Warning Label"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Text+Warning+Label&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T17:14:11.557Z",
  "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": "NCT06129487",
      "title": "Evaluations of Alcohol Warning Labels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oral Cancer",
        "Esophageal Cancer",
        "Larynx Cancer",
        "Alcohol Drinking"
      ],
      "interventions": [
        {
          "name": "Narrative pictorial warning labels for alcoholic beverages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-narrative pictorial warning labels for alcoholic beverages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1053,
      "start_date": "2024-01-19",
      "completion_date": "2024-03-27",
      "has_results": true,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06129487"
    },
    {
      "nct_id": "NCT07227519",
      "title": "Effects of UPF Warning Labels on Social Media Among Teens and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition",
        "Healthy Diet",
        "Food Preferences"
      ],
      "interventions": [
        {
          "name": "UPF Warning Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Labels (Control)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Tennessee",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "13 Years to 29 Years"
      },
      "enrollment_count": 1012,
      "start_date": "2025-12-02",
      "completion_date": "2025-12-16",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227519"
    },
    {
      "nct_id": "NCT05079477",
      "title": "Online Study of the Effects of Sugary Drink Warning Labels on Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Preferences"
      ],
      "interventions": [
        {
          "name": "Exposure to sugar-sweetened beverage warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exposure to calorie information",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2021-10-06",
      "completion_date": "2023-01-17",
      "has_results": true,
      "last_update_posted_date": "2024-04-04",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05079477"
    },
    {
      "nct_id": "NCT07214805",
      "title": "Perceptions of and Reactions to Ultra-Processed Menu Label Designs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Choices"
      ],
      "interventions": [
        {
          "name": "Ultra-Processed, Red, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contains Food Additives, Red, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning Ultra-Processed, Red, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning UPF, Red, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ultra-Processed, Yellow, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contains Food Additives, Yellow, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning Ultra-Processed, Yellow, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning UPF, Yellow, Icon-plus-text Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ultra-Processed, Red, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contains Food Additives, Red, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning Ultra-Processed, Red, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning UPF, Red, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ultra-Processed, Yellow, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contains Food Additives, Yellow, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning Ultra-Processed, Yellow, Text-only Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning UPF, Yellow, Text-only Labels",
          "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": 14720,
      "start_date": "2025-10-09",
      "completion_date": "2025-11-02",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07214805"
    },
    {
      "nct_id": "NCT03723616",
      "title": "Reactions to Warnings on Hookah Ads",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Reactions to Warnings",
        "Hookah Smoking"
      ],
      "interventions": [
        {
          "name": "Ads Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ads with text-only health warning labels (HWLs)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ads with text + graphic health warning labels (HWLs)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "18 Years to 34 Years"
      },
      "enrollment_count": 2588,
      "start_date": "2018-10-05",
      "completion_date": "2021-03-26",
      "has_results": true,
      "last_update_posted_date": "2025-12-18",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03723616"
    },
    {
      "nct_id": "NCT04259385",
      "title": "Effects of Sugary Drink Warning Labels on Parent Choices",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Preferences"
      ],
      "interventions": [
        {
          "name": "Exposure to sugar-sweetened beverage warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Exposure to beverage calorie information",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2020-03-11",
      "completion_date": "2020-03-12",
      "has_results": false,
      "last_update_posted_date": "2021-09-20",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04259385"
    },
    {
      "nct_id": "NCT07365813",
      "title": "Testing Alcohol Cancer Risk Messages",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alcohol",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Text-only messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AI-developed Neutral pictorial messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AI-developed graphic pictorial messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 850,
      "start_date": "2026-04-21",
      "completion_date": "2028-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07365813"
    },
    {
      "nct_id": "NCT06678178",
      "title": "Climate Impact Label Design and Fast-Food Meal Selection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Selection"
      ],
      "interventions": [
        {
          "name": "Control (QR) Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning High Climate Impact Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traffic Light Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Climate Grade Labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Numeric Carbon Footprint Labels",
          "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": 6622,
      "start_date": "2024-12-02",
      "completion_date": "2024-12-06",
      "has_results": true,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06678178"
    },
    {
      "nct_id": "NCT02785484",
      "title": "Impact of Cigarette Pack Constituent Disclosures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking Behavior"
      ],
      "interventions": [
        {
          "name": "Label with constituent disclosure message",
          "type": "OTHER"
        },
        {
          "name": "Label with litter message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 784,
      "start_date": "2016-09",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-08",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02785484"
    },
    {
      "nct_id": "NCT06179043",
      "title": "Impact of Front-of-package Warning Labels on Perceived Weight Stigmatization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Stigma"
      ],
      "interventions": [
        {
          "name": "Nutrient warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text-only health warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Graphic health warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control labels",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 2522,
      "start_date": "2024-01-18",
      "completion_date": "2024-01-26",
      "has_results": false,
      "last_update_posted_date": "2024-02-13",
      "last_synced_at": "2026-09-04T17:14:11.557Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06179043"
    }
  ]
}