{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Warning+Labels&page=2",
    "query": {
      "intervention": "Warning Labels",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Warning+Labels&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T02:35:54.914Z",
  "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": "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": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05563181"
    },
    {
      "nct_id": "NCT05317663",
      "title": "Developing and Testing Waterpipe-specific Health Warning Labels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Waterpipe Smoking",
        "Health Warning Label",
        "Harm Perception",
        "Puffing Behaviour",
        "Quitting Smoking",
        "Health Risk Behaviors"
      ],
      "interventions": [
        {
          "name": "Test Health Warning Label (HWL)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Test without Health Warning Label (no-HWL)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 44,
      "start_date": "2022-10-03",
      "completion_date": "2024-12-09",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05317663"
    },
    {
      "nct_id": "NCT04223687",
      "title": "Impact of Warnings on Sugar-Sweetened Beverages",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Habits"
      ],
      "interventions": [
        {
          "name": "Sugar-Sweetened Beverage Warning Label",
          "type": "OTHER"
        },
        {
          "name": "Neutral label",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 326,
      "start_date": "2020-01-29",
      "completion_date": "2021-03-24",
      "has_results": true,
      "last_update_posted_date": "2021-09-01",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04223687"
    },
    {
      "nct_id": "NCT02947802",
      "title": "Sugar Sweetened Beverage Labeling Support",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Consumer Behavior"
      ],
      "interventions": [
        {
          "name": "Effectiveness of Labels in Reducing Purchasing of Sugar Sweetened Beverages",
          "type": "OTHER"
        },
        {
          "name": "Control condition",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Harvard University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2016-10",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947802"
    },
    {
      "nct_id": "NCT06835920",
      "title": "Alcohol Labeling Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Front-of-package health warning",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control label",
          "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": 724,
      "start_date": "2025-04-28",
      "completion_date": "2026-05-29",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 2,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06835920"
    },
    {
      "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": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07365813"
    },
    {
      "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": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06651060"
    },
    {
      "nct_id": "NCT03654586",
      "title": "Effects of Sugary Drink Warning Labels",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Diabetes",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "Sugary drink warning labels",
          "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": 337,
      "start_date": "2018-07-30",
      "completion_date": "2020-03-12",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03654586"
    },
    {
      "nct_id": "NCT04152837",
      "title": "Safety of Lixivaptan in Subjects Previously Treated With Tolvaptan for Autosomal Dominant Polycystic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Polycystic Kidney Disease, Adult",
        "ADPKD"
      ],
      "interventions": [
        {
          "name": "Lixivaptan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Palladio Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2020-09-02",
      "completion_date": "2022-07-29",
      "has_results": true,
      "last_update_posted_date": "2023-04-10",
      "last_synced_at": "2026-09-24T02:35:54.914Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Chicago, Illinois • Rochester, Minnesota + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Bethlehem",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04152837"
    },
    {
      "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": "2026-09-24T02:35:54.914Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07214805"
    }
  ]
}