{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stonewall",
    "query": {
      "intervention": "Stonewall"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T23:08:02.272Z",
  "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": "NCT01800500",
      "title": "Interest in Smokeless Tobacco Product as a Substitution for Cigarettes in Current Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "smoking cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "ecigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2011-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2022-09-13",
      "last_synced_at": "2026-09-03T23:08:02.272Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01800500"
    },
    {
      "nct_id": "NCT00711100",
      "title": "Evaluation of Oral Tobacco as a Harm Reduction Method for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Camel Snus",
          "type": "OTHER"
        },
        {
          "name": "Marlboro Snus",
          "type": "OTHER"
        },
        {
          "name": "Stonewall",
          "type": "OTHER"
        },
        {
          "name": "Ariva",
          "type": "OTHER"
        },
        {
          "name": "General Snus",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 104,
      "start_date": "2008-08",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-09-03T23:08:02.272Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Eugene, Oregon",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00711100"
    },
    {
      "nct_id": "NCT01129401",
      "title": "Stonewall Treatment Evaluation Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Substance Abuse",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Stonewall Project",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 150,
      "start_date": "2010-03",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-10-27",
      "last_synced_at": "2026-09-03T23:08:02.272Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01129401"
    },
    {
      "nct_id": "NCT01100216",
      "title": "Human Laboratory Study of Smokeless Tobacco Products",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smokeless Tobacco"
      ],
      "interventions": [
        {
          "name": "Nicotine Lozenge",
          "type": "OTHER"
        },
        {
          "name": "Stonewall Dissolvable Tobacco Pieces",
          "type": "OTHER"
        },
        {
          "name": "Camel Snus Frost",
          "type": "OTHER"
        },
        {
          "name": "Skoal Wintergreen",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2010-03",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-09-03T23:08:02.272Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100216"
    },
    {
      "nct_id": "NCT01935713",
      "title": "Preliminary Investigation of Novel Methods to Reduce Children's Secondhand Smoke Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondhand Smoke"
      ],
      "interventions": [
        {
          "name": "Nicotine polacrilex",
          "type": "DRUG"
        },
        {
          "name": "Electronic Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Dissolvable Tobacco Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "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": 89,
      "start_date": "2012-04",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-03T23:08:02.272Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01935713"
    }
  ]
}