{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Icon+warning",
    "query": {
      "intervention": "Icon warning"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Icon+warning&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T18:26:34.667Z",
  "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": "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": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227519"
    },
    {
      "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": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07214805"
    },
    {
      "nct_id": "NCT07496489",
      "title": "Perceptions of Proposed Warnings for Cannabis Edibles Packaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "No Warning Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed Effects Text Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed Effects Plus Icon",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed Effects Plus Dose",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed Effects Plus Dose Plus Adverse Effects",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1250,
      "start_date": "2026-05-27",
      "completion_date": "2026-07-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-27",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07496489"
    },
    {
      "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": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06678178"
    },
    {
      "nct_id": "NCT05312437",
      "title": "Clinical Decision Support to Prevent Suicide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide, Attempted",
        "Suicidal Ideation"
      ],
      "interventions": [
        {
          "name": "Interruptive Alert, CDS",
          "type": "OTHER"
        },
        {
          "name": "Passive Prompt, CDS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 596,
      "start_date": "2022-08-16",
      "completion_date": "2023-02-16",
      "has_results": false,
      "last_update_posted_date": "2023-03-14",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05312437"
    },
    {
      "nct_id": "NCT04382599",
      "title": "Designing Impactful Warnings for Sugary Drinks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Text warning with square background",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Text warning with octagon background",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Icon warning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Graphic warning",
          "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": 1078,
      "start_date": "2019-10-07",
      "completion_date": "2019-11-04",
      "has_results": false,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04382599"
    },
    {
      "nct_id": "NCT05563181",
      "title": "Evaluation of a Beverage Media Campaign and Added-sugar Warning Labels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attitude",
        "Intention"
      ],
      "interventions": [
        {
          "name": "Control bar code label",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Warning label",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informational campaign poster about added-sugar warning labels",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "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": 2275,
      "start_date": "2022-10-07",
      "completion_date": "2023-03-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05563181"
    },
    {
      "nct_id": "NCT05508698",
      "title": "Flu Shot Pre-visit Questionnaire",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Precommitment Nudge",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Salience",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230962,
      "start_date": "2022-08-18",
      "completion_date": "2023-04-08",
      "has_results": false,
      "last_update_posted_date": "2023-07-25",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05508698"
    },
    {
      "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": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06651060"
    },
    {
      "nct_id": "NCT03126851",
      "title": "Promoting Safe Use of Children's Cough/Cold Medicines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cough"
      ],
      "interventions": [
        {
          "name": "Label",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 312,
      "start_date": "2017-05-01",
      "completion_date": "2018-08-10",
      "has_results": false,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-09-05T18:26:34.667Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03126851"
    }
  ]
}