{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=21",
    "query": {
      "condition": "Smoking Behavior",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 2080,
    "total_pages": 208,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Behavior&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T20:57:04.846Z",
  "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": "NCT04071795",
      "title": "Clinical Reminder Changes to Increase Smoking Cessation Treatment in Outpatient Psychiatry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Opt-Out Reminder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Opt-In Reminder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 140,
      "start_date": "2020-01-06",
      "completion_date": "2021-02-24",
      "has_results": true,
      "last_update_posted_date": "2023-04-28",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04071795"
    },
    {
      "nct_id": "NCT05434013",
      "title": "The Impact of Cigarillo Warnings on Purchasing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigar Smoking"
      ],
      "interventions": [
        {
          "name": "Cigarillo warnings-Surgeon General Text-Only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cigarillo warnings-FDA proposed text-only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cigarillo warnings-Pictorial",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 1578,
      "start_date": "2022-06-24",
      "completion_date": "2022-07-21",
      "has_results": true,
      "last_update_posted_date": "2023-08-02",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05434013"
    },
    {
      "nct_id": "NCT01096108",
      "title": "Quit and Win Contests to Improve Smoking Cessation Among College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Standard contest (1 month)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational and Problem-Solving",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extended Contests",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1318,
      "start_date": "2010-04",
      "completion_date": "2013-03",
      "has_results": false,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01096108"
    },
    {
      "nct_id": "NCT05869318",
      "title": "Respiratory Effects of E-Cigarettes in Obese Youth",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "ECIG own",
          "type": "OTHER"
        },
        {
          "name": "ECIG Vuse",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "21 Years to 25 Years"
      },
      "enrollment_count": 56,
      "start_date": "2023-04-04",
      "completion_date": "2025-06-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05869318"
    },
    {
      "nct_id": "NCT00943618",
      "title": "Combining Varenicline and Bupropion for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Counseling/Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 641,
      "start_date": "2010-05-17",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00943618"
    },
    {
      "nct_id": "NCT04722835",
      "title": "Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Copd",
        "Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage (BAL)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-03-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 3,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04722835"
    },
    {
      "nct_id": "NCT07507435",
      "title": "Optimizing Medications and Lung Health in People With HIV Through Pharmacist-led Proactive E-Consults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV",
        "Inhaled Corticosteroid",
        "Proton Pump Inhibitor",
        "Smoking Cessation",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "E-consult",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 480,
      "start_date": "2026-09",
      "completion_date": "2029-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 3,
      "location_summary": "Boise, Idaho • Minneapolis, Minnesota • Seattle, Washington",
      "locations": [
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07507435"
    },
    {
      "nct_id": "NCT00632476",
      "title": "Evaluating the Effects of Supplemental Vitamin C on Infant Lung Function in Pregnant Smoking Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "15 Years and older · Female only"
      },
      "enrollment_count": 282,
      "start_date": "2007-03",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2013-09-04",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00632476"
    },
    {
      "nct_id": "NCT06881069",
      "title": "Reach Through Equitable Implementation in Utah",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Chewing",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Clinic Level: AAC - SDOH, AAC - Tobacco",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-Bundled",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Bundled",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 3",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 6",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 9",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Dose 12",
          "type": "BEHAVIORAL"
        },
        {
          "name": "RPN",
          "type": "BEHAVIORAL"
        },
        {
          "name": "PPN",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1560,
      "start_date": "2025-02-13",
      "completion_date": "2028-01-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06881069"
    },
    {
      "nct_id": "NCT05555069",
      "title": "The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Reduction"
      ],
      "interventions": [
        {
          "name": "Menthol-flavored electronic cigarette",
          "type": "OTHER"
        },
        {
          "name": "Tobacco-flavored electronic cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nikki Nollen, PhD, MA",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2022-11-08",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-22T20:57:04.846Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05555069"
    }
  ]
}