{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Harm-Reduction+Tax+Condition",
    "query": {
      "intervention": "Harm-Reduction Tax Condition"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T15:39:12.563Z",
  "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": "2026-09-03T15:39:12.563Z",
      "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": "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": "2026-09-03T15:39:12.563Z",
      "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": "NCT06795997",
      "title": "Tobacco/Nicotine Purchase Patterns Across SES",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Behaviors",
        "Smoking, Non-Tobacco Products",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Tax Conditions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 663,
      "start_date": "2024-12-16",
      "completion_date": "2025-03-25",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-09-03T15:39:12.563Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06795997"
    }
  ]
}