{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Product+Tiers",
    "query": {
      "intervention": "Product Tiers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T12:00:21.331Z",
  "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": "NCT05370313",
      "title": "The Impact of Innovative Tax Proposals on Purchase Patterns",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Market Price Condition (control)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Parity Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine-Content Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Harm-Reduction Tax Condition",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Risk Tobacco Product (MRTP) Tax Condition",
          "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": 285,
      "start_date": "2023-04-11",
      "completion_date": "2025-06-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Roanoke, Virginia",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05370313"
    },
    {
      "nct_id": "NCT07042373",
      "title": "Effects of Tobacco Abuse Liability-dependent Taxes in the ETM",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking Behavior"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Category Score",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Category Rank",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Product Tiers",
          "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": 51,
      "start_date": "2026-07-31",
      "completion_date": "2027-04-07",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07042373"
    },
    {
      "nct_id": "NCT07142668",
      "title": "Effects of Tax Proposals and Cigarette Availability on Tobacco Purchasing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Harm Reduction Tax - Normal Nicotine Cigarettes Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Harm Reduction Tax - Normal Nicotine Cigarettes Not Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Risk Tobacco Product Tax - Normal Nicotine Cigarettes Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Risk Tobacco Product Tax - Normal Nicotine Cigarettes Not Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Content Tax - Normal Nicotine Cigarettes Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Content Tax - Normal Nicotine Cigarettes Not Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Parity Tax - Normal Nicotine Cigarettes Available",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Parity Tax - Normal Nicotine Cigarettes Not Available",
          "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": 316,
      "start_date": "2025-08-14",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Roanoke, Virginia",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07142668"
    },
    {
      "nct_id": "NCT04481048",
      "title": "Antioxidant Therapy With N-acetylcysteine for Children With Neurofibromatosis Type 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neurofibromatosis 1"
      ],
      "interventions": [
        {
          "name": "N-Acetyl cysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "8 Years to 16 Years"
      },
      "enrollment_count": 25,
      "start_date": "2021-02-23",
      "completion_date": "2024-06-25",
      "has_results": true,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481048"
    },
    {
      "nct_id": "NCT00598572",
      "title": "Dose Finding and Safety Study of Deferoxamine in Patients With Brain Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Intracerebral Hemorrhage"
      ],
      "interventions": [
        {
          "name": "Deferoxamine Mesylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess 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": 20,
      "start_date": "2008-07",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-16",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598572"
    },
    {
      "nct_id": "NCT01591096",
      "title": "Thrombolysis in Pediatric Stroke (TIPS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Tissue plasminogen activator (Activase®)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 1,
      "start_date": "2012-10",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-05-25",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 13,
      "location_summary": "Palo Alto, California • Aurora, Colorado • Boston, Massachusetts + 9 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01591096"
    },
    {
      "nct_id": "NCT00224770",
      "title": "Minimally Invasive Surgery and rtPA for Intracerebral Hemorrhage Evacuation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Intracerebral Hemorrhage"
      ],
      "interventions": [
        {
          "name": "MIS+Cathflo Activase (drug)",
          "type": "DRUG"
        },
        {
          "name": "Intraoperative stereotactic CT-Guided Endoscopic Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Daniel Hanley",
      "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": 141,
      "start_date": "2005-08",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2015-06-18",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224770"
    },
    {
      "nct_id": "NCT04904055",
      "title": "Evaluating the Impact of a Value-based Prescription Drug Formulary",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Value-Based Health Insurance"
      ],
      "interventions": [
        {
          "name": "Value-based Formulary",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "0 Years to 64 Years"
      },
      "enrollment_count": 36333,
      "start_date": "2015-01-01",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-27",
      "last_synced_at": "2026-09-02T12:00:21.331Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904055"
    }
  ]
}