{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adult+Smokers&page=2",
    "query": {
      "condition": "Adult Smokers",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adult+Smokers&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T01:34:32.938Z",
  "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": "NCT05432830",
      "title": "Sex Differences in E-cig Perception: Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Addiction",
        "E-Cig Use",
        "Cigarette Smoking",
        "Sex Differences"
      ],
      "interventions": [
        {
          "name": "E-liquid Flavor 1",
          "type": "OTHER"
        },
        {
          "name": "E-liquid Flavor 2",
          "type": "OTHER"
        },
        {
          "name": "E-liquid Flavor 3",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "44 Years",
        "sex": "ALL",
        "summary": "21 Years to 44 Years"
      },
      "enrollment_count": 66,
      "start_date": "2024-04-30",
      "completion_date": "2025-07-18",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05432830"
    },
    {
      "nct_id": "NCT01495819",
      "title": "Nicotine Reinforcement and Aversion in Young Adult Light Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Nicotine Addiction"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 34,
      "start_date": "2017-01-04",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-08-31",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01495819"
    },
    {
      "nct_id": "NCT00376987",
      "title": "Zinc Supplements in Lowering Cadmium Levels in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "zinc oxide",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "21 Years to 120 Years"
      },
      "enrollment_count": 61,
      "start_date": "2003-12",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00376987"
    },
    {
      "nct_id": "NCT04009590",
      "title": "Quit4Health Intervention in Supporting Smoking Cessation and Preventing Smoking Initiation in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Current Smoker"
      ],
      "interventions": [
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 579,
      "start_date": "2018-12-10",
      "completion_date": "2021-01-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04009590"
    },
    {
      "nct_id": "NCT00227786",
      "title": "Primary Care Physicians' Use of Stop-Smoking Plans to Help Patients Who Are Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "smoking cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "counseling intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 344,
      "start_date": "2003-01",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2013-08-16",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 5,
      "location_summary": "Aurora, Colorado • Honolulu, Hawaii • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00227786"
    },
    {
      "nct_id": "NCT05490927",
      "title": "Ethnic Microaggressions and Smoking Behaviors Among Latinx Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Discrimination, Racial"
      ],
      "interventions": [
        {
          "name": "Microaggression Recall and Relapse Analogue Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-10-13",
      "completion_date": "2026-04-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05490927"
    },
    {
      "nct_id": "NCT05102786",
      "title": "CSD210904: Study to Assess Actual Use of a Heated Tobacco Product With Four Non-Combusted Cigarette Variants in Current Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "40007388",
          "type": "OTHER"
        },
        {
          "name": "40007385",
          "type": "OTHER"
        },
        {
          "name": "40007387",
          "type": "OTHER"
        },
        {
          "name": "40007386",
          "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": 1180,
      "start_date": "2021-10-26",
      "completion_date": "2022-03-08",
      "has_results": false,
      "last_update_posted_date": "2022-06-24",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 10,
      "location_summary": "Atlanta, Georgia • Chicago, Illinois • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05102786"
    },
    {
      "nct_id": "NCT00790569",
      "title": "Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "nicotine",
          "type": "DRUG"
        },
        {
          "name": "varenicline",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Butler Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 315,
      "start_date": "2008-09",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00790569"
    },
    {
      "nct_id": "NCT04846088",
      "title": "A Study to Characterize Nicotine Pharmacokinetics and Subjective Effects of Nicotine Pouches in Adult Cigarette Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Product A",
          "type": "OTHER"
        },
        {
          "name": "Product B",
          "type": "OTHER"
        },
        {
          "name": "Product C",
          "type": "OTHER"
        },
        {
          "name": "Product D",
          "type": "OTHER"
        },
        {
          "name": "Product E",
          "type": "OTHER"
        },
        {
          "name": "Product F",
          "type": "OTHER"
        },
        {
          "name": "Product G",
          "type": "OTHER"
        },
        {
          "name": "Product H",
          "type": "OTHER"
        },
        {
          "name": "Product I",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "British American Tobacco (Investments) Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 42,
      "start_date": "2021-04-05",
      "completion_date": "2021-06-02",
      "has_results": false,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04846088"
    },
    {
      "nct_id": "NCT06745154",
      "title": "Evaluating the Impact of Quitting Using Executive Function Strategy Training (QUEST) on Smoking Cessation in Homeless Young Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 27,
      "start_date": "2023-06-26",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2024-12-20",
      "last_synced_at": "2026-09-23T01:34:32.938Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745154"
    }
  ]
}