{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=19",
    "query": {
      "condition": "Smoking",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 2331,
    "total_pages": 234,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T18:21:51.624Z",
  "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": "NCT05327439",
      "title": "Using ANDS to Reduce Harm for Low SES Cigarette Smokers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine (electronic cigarette)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine (nicotine pouch)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2022-03-23",
      "completion_date": "2023-02-09",
      "has_results": false,
      "last_update_posted_date": "2023-01-26",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05327439"
    },
    {
      "nct_id": "NCT07767929",
      "title": "Evaluating Narrative Vaping Prevention Video Ads for Adolescents and Young Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Acted-Out Narrative Ads",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Acted-Out Narrative Testimonial Ads",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neutral Control Videos",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 1910,
      "start_date": "2026-09",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 2,
      "location_summary": "Fairfield, Connecticut • Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Fairfield",
          "state": "Connecticut"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07767929"
    },
    {
      "nct_id": "NCT01115231",
      "title": "Complement Factor H Haplotypes and Smoking in Age-related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Macular Degeneration"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 223,
      "start_date": "2010-10",
      "completion_date": "2016-12-31",
      "has_results": true,
      "last_update_posted_date": "2019-09-30",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 2,
      "location_summary": "Charleston, South Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01115231"
    },
    {
      "nct_id": "NCT00591175",
      "title": "A Randomized Clinical Trial Assessing Smoking Cessation Interventions In Dental Clinic Smokers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Standard Care only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dental Hygienist provided counseling + Brief Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1072,
      "start_date": "2001-12",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00591175"
    },
    {
      "nct_id": "NCT00621777",
      "title": "A Study of Varenicline for Prevention of Relapse to Smoking in Patients With Schizophrenia or Bipolar Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 247,
      "start_date": "2008-02",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-12-21",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Bloomington, Indiana • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00621777"
    },
    {
      "nct_id": "NCT02515981",
      "title": "New Hampshire Medicaid Wellness Incentive Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence",
        "Obesity",
        "Mental Illness"
      ],
      "interventions": [
        {
          "name": "NH Medicaid Incentives Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2800,
      "start_date": "2012-05",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 12,
      "location_summary": "Concord, New Hampshire • Derry, New Hampshire • Dover, New Hampshire + 7 more",
      "locations": [
        {
          "city": "Concord",
          "state": "New Hampshire"
        },
        {
          "city": "Concord",
          "state": "New Hampshire"
        },
        {
          "city": "Derry",
          "state": "New Hampshire"
        },
        {
          "city": "Dover",
          "state": "New Hampshire"
        },
        {
          "city": "Keene",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02515981"
    },
    {
      "nct_id": "NCT03517397",
      "title": "Mobile Contingency Management for Smoking Cessation (R01 Supplement) (PrevailGO)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Mobile Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-08-15",
      "completion_date": "2019-05-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-29",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03517397"
    },
    {
      "nct_id": "NCT05181891",
      "title": "Pharmaceutically-Enhanced Reinforcement for Reduced Alcohol and Smoking",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Use Disorder (AUD)",
        "Nicotine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-contingent control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 205,
      "start_date": "2022-07-11",
      "completion_date": "2027-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05181891"
    },
    {
      "nct_id": "NCT05814055",
      "title": "The Potential of Kava in Enabling Tobacco Cessation - Its Holistic Effects in Managing Stress and Insomnia Associated With Abstinence",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "AB-free kava",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 76,
      "start_date": "2024-06-06",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05814055"
    },
    {
      "nct_id": "NCT01673243",
      "title": "Parent Willingness to Participate in Tobacco Trials in the Pediatric Clinical Setting",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Cancer",
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 88,
      "start_date": "2012-09",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2015-03-05",
      "last_synced_at": "2026-10-20T18:21:51.624Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01673243"
    }
  ]
}