{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=22",
    "query": {
      "condition": "Cigarette Use",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 690,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cigarette+Use&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T06:47:45.683Z",
  "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": "NCT01801384",
      "title": "Voucher Based Incentives to Treat Pregnant Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Efficacy of Financial Incentives"
      ],
      "interventions": [
        {
          "name": "Voucher-based incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 166,
      "start_date": "2006-04",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2023-05-12",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01801384"
    },
    {
      "nct_id": "NCT01921439",
      "title": "OCAST Cessation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking Behavior",
        "Cigarette Smoking Behavior",
        "Second Hand Tobacco Smoke",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Personalized Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 152,
      "start_date": "2013-07",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01921439"
    },
    {
      "nct_id": "NCT06477601",
      "title": "Cooling Agent Pilot Among Adult Menthol Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Assigning cooling agent type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning traditional tobacco type cigarettes",
          "type": "OTHER"
        },
        {
          "name": "Assigning menthol type cigarettes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2024-06-24",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06477601"
    },
    {
      "nct_id": "NCT01575119",
      "title": "Decision Aid for Cigarette Smokers Undergoing Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Abuse"
      ],
      "interventions": [
        {
          "name": "Decision Aid",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2012-05",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-12-17",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01575119"
    },
    {
      "nct_id": "NCT04838236",
      "title": "Smoking, Stress, and Mobile Technology",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "MASP app + NRT",
          "type": "OTHER"
        },
        {
          "name": "QuitGuide app + NRT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 227,
      "start_date": "2021-12-20",
      "completion_date": "2025-04-25",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 2,
      "location_summary": "Oklahoma City, Oklahoma • Houston, Texas",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04838236"
    },
    {
      "nct_id": "NCT06688539",
      "title": "E-cigarette Cessation in Adults Who Co-use Cannabis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Varenicline Pill",
          "type": "DRUG"
        },
        {
          "name": "Contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 105,
      "start_date": "2025-02-19",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 3,
      "location_summary": "Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Lancaster",
          "state": "South Carolina"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06688539"
    },
    {
      "nct_id": "NCT05815199",
      "title": "E-cigarettes for Harm Reduction Among Smokers With Serious Mental Illness",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "E-cigarette (EC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT)",
          "type": "OTHER"
        },
        {
          "name": "Harm-Reduction Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ecological Momentary Intervention (EMI) Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-11-13",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05815199"
    },
    {
      "nct_id": "NCT05114863",
      "title": "CSD200907: A Study to Assess Elements of Abuse Liability for a Heated Tobacco Product With Four Non-Combusted Cigarette Variants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Behaviors",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A1",
          "type": "OTHER"
        },
        {
          "name": "Product B",
          "type": "OTHER"
        },
        {
          "name": "Product C",
          "type": "OTHER"
        },
        {
          "name": "Product D",
          "type": "OTHER"
        },
        {
          "name": "Product A2",
          "type": "OTHER"
        },
        {
          "name": "Product E",
          "type": "OTHER"
        },
        {
          "name": "Product F",
          "type": "OTHER"
        },
        {
          "name": "Product G",
          "type": "OTHER"
        },
        {
          "name": "Product H",
          "type": "OTHER"
        },
        {
          "name": "Product N",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 75,
      "start_date": "2021-11-29",
      "completion_date": "2022-02-27",
      "has_results": false,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05114863"
    },
    {
      "nct_id": "NCT05452772",
      "title": "5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "Niacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2023-11-01",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Baltimore, Maryland • New York, New York",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05452772"
    },
    {
      "nct_id": "NCT02206971",
      "title": "Biomarker Feedback for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "urine analyses feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 109,
      "start_date": "2012-05",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2020-01-10",
      "last_synced_at": "2026-10-29T06:47:45.683Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02206971"
    }
  ]
}