{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=25",
    "query": {
      "condition": "Smoking",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "page_size": 10,
    "total_count": 2331,
    "total_pages": 234,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T11:31:16.283Z",
  "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": "NCT05278481",
      "title": "Latinos Kick Buts: Mobile Engagement and Cessation Support for Latino Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Reward Message with standard introduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reward Message with culturally tailored introduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Threat/Self-efficacy with standard introduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Threat/Self-efficacy with culturally tailored introduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social norms message with standard introduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social norms message with culturally tailored introduction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 408,
      "start_date": "2022-05-09",
      "completion_date": "2022-05-21",
      "has_results": false,
      "last_update_posted_date": "2022-06-10",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05278481"
    },
    {
      "nct_id": "NCT04737772",
      "title": "Project CheckUP: A Brief Behavioral Intervention for Quitline Callers Who Use Marijuana (MJ) and Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Marijuana Use"
      ],
      "interventions": [
        {
          "name": "Behavioral: Quitline treatment as usual",
          "type": "BEHAVIORAL"
        },
        {
          "name": "QL Marijuana Check-Up intervention (QL-MJCU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-04-13",
      "completion_date": "2022-12-01",
      "has_results": true,
      "last_update_posted_date": "2025-02-27",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04737772"
    },
    {
      "nct_id": "NCT03010995",
      "title": "The Acute Cardiovascular Effects of Nicotine in E-cigarettes (ACE) Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cigarette Smoking Toxicity",
        "Nicotine",
        "Acute Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Prazosin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Louisville",
      "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": 0,
      "start_date": "2018-03-13",
      "completion_date": "2018-07-24",
      "has_results": false,
      "last_update_posted_date": "2018-07-26",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03010995"
    },
    {
      "nct_id": "NCT03063034",
      "title": "CSD1602: A Crossover Study to Evaluate the Exposure to \"Tar\" and Nicotine From Two King Size Menthol Cigarette Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "PD21864AA",
          "type": "OTHER"
        },
        {
          "name": "PD21864AB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2017-02-06",
      "completion_date": "2017-03-13",
      "has_results": false,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Lakewood, Colorado",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063034"
    },
    {
      "nct_id": "NCT00344695",
      "title": "Bupropion Treatment for Youth Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "bupropion SR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": "2003-04",
      "has_results": false,
      "last_update_posted_date": "2006-06-27",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00344695"
    },
    {
      "nct_id": "NCT05019495",
      "title": "Optimizing Tobacco Treatment Delivery for People Living With HIV",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "PrOMOTE",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 231,
      "start_date": "2021-12-01",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019495"
    },
    {
      "nct_id": "NCT06704295",
      "title": "High Impact E-cigarette Advertisement Features",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping Behavior"
      ],
      "interventions": [
        {
          "name": "Control ad with dark gray product with tobacco flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dark gray product with strawberry flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor name",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor name and image",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor features",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Colorful (strawberry color) product with strawberry flavor features and choice claim",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 3083,
      "start_date": "2024-12-17",
      "completion_date": "2025-02-10",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06704295"
    },
    {
      "nct_id": "NCT01824511",
      "title": "Effects of Quitting Study A Test of Pre-clinical Findings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Smokers cease smoking",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 287,
      "start_date": "2013-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-03-14",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 2,
      "location_summary": "Hanover, New Hampshire • Burlington, Vermont",
      "locations": [
        {
          "city": "Hanover",
          "state": "New Hampshire"
        },
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01824511"
    },
    {
      "nct_id": "NCT04104152",
      "title": "CSD190203: A Study to Determine Subject Puffing Patterns of an Electronic Nicotine Delivery System in an Ambulatory Setting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Behaviors",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "CSD1902-11",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-12",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-13",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-14",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-21",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-22",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-23",
          "type": "OTHER"
        },
        {
          "name": "CSD1902-24",
          "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": 146,
      "start_date": "2019-10-07",
      "completion_date": "2020-03-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04104152"
    },
    {
      "nct_id": "NCT00342563",
      "title": "Treatment With Mecamylamine in Smoking and Non-smoking Alcohol Dependent Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "mecamylamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 136,
      "start_date": "2004-05",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2019-06-04",
      "last_synced_at": "2026-10-21T11:31:16.283Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00342563"
    }
  ]
}