{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smokers&page=2",
    "query": {
      "condition": "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=Smokers&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T05:25:12.611Z",
  "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": "NCT01771627",
      "title": "Varenicline or Nicotine Patch in Promoting Smoking Cessation Among Current Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "varenicline",
          "type": "DRUG"
        },
        {
          "name": "nicotine patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 300,
      "start_date": "2012-10-22",
      "completion_date": "2015-08-28",
      "has_results": true,
      "last_update_posted_date": "2020-09-28",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01771627"
    },
    {
      "nct_id": "NCT01250977",
      "title": "Effect of Donepezil on Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2011-01-11",
      "completion_date": "2011-12-06",
      "has_results": true,
      "last_update_posted_date": "2019-07-11",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01250977"
    },
    {
      "nct_id": "NCT00004551",
      "title": "Behavioral Counseling for Alcohol Dependent Smokers (Nicotine Patch)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcoholism",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "nicotine replacement patch",
          "type": "DRUG"
        },
        {
          "name": "mood management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 144,
      "start_date": "1999-02",
      "completion_date": "2003-01",
      "has_results": false,
      "last_update_posted_date": "2010-09-29",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004551"
    },
    {
      "nct_id": "NCT03651869",
      "title": "Effects of Nicotine in Tobacco Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking, Tobacco",
        "Smoking (Tobacco) Addiction"
      ],
      "interventions": [
        {
          "name": "Cigarette 1",
          "type": "DRUG"
        },
        {
          "name": "Cigarette 2",
          "type": "DRUG"
        },
        {
          "name": "Patch 1",
          "type": "DRUG"
        },
        {
          "name": "Patch 2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 221,
      "start_date": "2019-02-04",
      "completion_date": "2023-03-23",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03651869"
    },
    {
      "nct_id": "NCT02086162",
      "title": "Randomized Controlled Trial (RCT) of a Motivational Decision Support System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Web-based motivational decision support system",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NCI Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 184,
      "start_date": "2014-04",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-11-29",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Worcester, Massachusetts • New Brunswick, New Jersey",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02086162"
    },
    {
      "nct_id": "NCT00086385",
      "title": "Maintaining Nonsmoking: Older Smokers - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Nicotine polacrilex, Bupropion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 403,
      "start_date": "2001-09",
      "completion_date": "2009-03",
      "has_results": true,
      "last_update_posted_date": "2015-03-23",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00086385"
    },
    {
      "nct_id": "NCT01225913",
      "title": "Mechanism(s) of Airflow Limitation During Exacerbation of Asthma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone/salmeterol in all asthmatics",
          "type": "DRUG"
        },
        {
          "name": "budesonide/formoterol or fluticasone/salmeterol in all asthmatics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gelb, Arthur F., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "10 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2007-10",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Lakewood, California",
      "locations": [
        {
          "city": "Lakewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225913"
    },
    {
      "nct_id": "NCT03224520",
      "title": "Smoker-to-Smoker (S2S) Peer Marketing and Messaging to Disseminate Tobacco Interventions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Recommender CTHC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard CTHC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Peer Recruitment",
          "type": "OTHER"
        },
        {
          "name": "Standard Online Recruitment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1487,
      "start_date": "2017-12-20",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-03-26",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224520"
    },
    {
      "nct_id": "NCT05194917",
      "title": "Motivating Change in Aging Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Older Smoker Motivational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Control Motivational Message",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 201,
      "start_date": "2023-08-15",
      "completion_date": "2024-02-29",
      "has_results": true,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05194917"
    },
    {
      "nct_id": "NCT05772845",
      "title": "Vaping and Smoking Withdrawal Project",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)"
      ],
      "interventions": [
        {
          "name": "Acute (24-hour) abstinence",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ad libitum smoking/vaping",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 370,
      "start_date": "2023-02-14",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-06-26T05:25:12.611Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05772845"
    }
  ]
}