{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Warning+Labels",
    "query": {
      "intervention": "Warning Labels"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Warning+Labels&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-20T10:31:08.564Z",
  "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": "NCT07422922",
      "title": "Click & Pick Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Disease"
      ],
      "interventions": [
        {
          "name": "Suite of healthy food policies",
          "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": 300,
      "start_date": "2026-02-25",
      "completion_date": "2028-04-21",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07422922"
    },
    {
      "nct_id": "NCT05842460",
      "title": "Testing \"Ultraprocessed\" Front-of-package Label Among Brazilian Consumers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Exposure"
      ],
      "interventions": [
        {
          "name": "Nutrient warning labels",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nutrient and ultraprocessed warning labels",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1007,
      "start_date": "2023-05-24",
      "completion_date": "2023-06-28",
      "has_results": false,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05842460"
    },
    {
      "nct_id": "NCT06651060",
      "title": "Climate Labels for Restaurant Menus Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Food Selection"
      ],
      "interventions": [
        {
          "name": "Menu label",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16181,
      "start_date": "2024-12-23",
      "completion_date": "2025-02-13",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06651060"
    },
    {
      "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": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07365813"
    },
    {
      "nct_id": "NCT07781774",
      "title": "Improving Colorectal Cancer Screening Uptake Through Education and Stool-Based Testing Outreach",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Cancer (CRC) Screening",
        "CRC Screening",
        "Rectal Cancer",
        "Colon Cancer",
        "Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Colorectal Cancer Education Materials",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cologuard test kit",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Fecal immunochemical test kit",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 200,
      "start_date": "2026-09-30",
      "completion_date": "2029-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-24",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07781774"
    },
    {
      "nct_id": "NCT04075682",
      "title": "Cigarette Pack Inserts for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Inserts with efficacy messages",
          "type": "OTHER"
        },
        {
          "name": "Pictorial warnings on packs",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 387,
      "start_date": "2019-08-01",
      "completion_date": "2021-06-29",
      "has_results": true,
      "last_update_posted_date": "2024-05-13",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 2,
      "location_summary": "Ithaca, New York • Columbia, South Carolina",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04075682"
    },
    {
      "nct_id": "NCT04381481",
      "title": "Studying the Impact of Product Packaging in a Virtual Store Environment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity, Childhood"
      ],
      "interventions": [
        {
          "name": "Experimental Drink: Nutrition claim on fruit drinks",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Drink: No nutrition claim",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experimental snack: Text warning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Experimental snack: Graphic warning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control snack: barcode label",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 2374,
      "start_date": "2020-05-14",
      "completion_date": "2020-07-24",
      "has_results": true,
      "last_update_posted_date": "2021-06-18",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04381481"
    },
    {
      "nct_id": "NCT05038163",
      "title": "Are Sugar-Sweetened Beverage Information Labels Well-Targeted",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Soft Drink Consumption",
        "Sugar-sweetened Beverages",
        "Information Labels"
      ],
      "interventions": [
        {
          "name": "Nutrition Facts",
          "type": "OTHER"
        },
        {
          "name": "Text Warning",
          "type": "OTHER"
        },
        {
          "name": "Graphic Warning",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Bureau of Economic Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5845,
      "start_date": "2021-10-18",
      "completion_date": "2021-12-22",
      "has_results": true,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05038163"
    },
    {
      "nct_id": "NCT06296355",
      "title": "Impacts of Warning Labels on Ultra-Processed Foods",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior",
        "Diet, Healthy"
      ],
      "interventions": [
        {
          "name": "Health Warning Label",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Identity Warning Label",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Barcode Label",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 4000,
      "start_date": "2024-08-09",
      "completion_date": "2024-09-11",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06296355"
    },
    {
      "nct_id": "NCT05316584",
      "title": "A Novel Remote Patient and Medication Monitoring Solution to Improve Adherence and PerSiStence With IBD Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Diseases",
        "Crohn Disease",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Remote monitoring",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 123,
      "start_date": "2022-09-06",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-20T10:31:08.564Z",
      "location_count": 5,
      "location_summary": "Baltimore, Maryland • New York, New York • Chapel Hill, North Carolina + 2 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05316584"
    }
  ]
}