{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cessation",
    "query": {
      "condition": "Smoking Cessation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1280,
    "total_pages": 128,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Smoking+Cessation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:43:30.517Z",
  "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": "NCT04893460",
      "title": "CoQuit Study for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "CoQuit App",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Research Behavioral Intervention Strategies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2021-06-01",
      "completion_date": "2021-09-29",
      "has_results": true,
      "last_update_posted_date": "2025-09-04",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Springfield, Oregon",
      "locations": [
        {
          "city": "Springfield",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04893460"
    },
    {
      "nct_id": "NCT01466361",
      "title": "Evaluation of the Nicotine Lozenge in Relief of Provoked Acute Craving",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine lower dose",
          "type": "DRUG"
        },
        {
          "name": "Nicotine higher dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 187,
      "start_date": "2010-09",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Burbank, California",
      "locations": [
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01466361"
    },
    {
      "nct_id": "NCT07585357",
      "title": "Adaptive Mobile Interventions to Reduce Cancer Risk Behaviors",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smartphone-based intervention messages",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "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": 7,
      "start_date": "2026-05",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07585357"
    },
    {
      "nct_id": "NCT05030194",
      "title": "Comparing Nicotine Delivery, Subjective Effects, and Sensory Experiences of Tobacco Users Using Oral Nicotine Products and Electronic Cigarettes [ZYN Study]",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Cigarette Smoking",
        "Smokeless Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Oral Nicotine Pouch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-10-21",
      "completion_date": "2023-01-25",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05030194"
    },
    {
      "nct_id": "NCT04043728",
      "title": "Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Copd",
        "Smoking Cessation",
        "Nicotine Dependence",
        "Tobacco Use",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Unified Protocol adapted for smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University 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": 18,
      "start_date": "2019-09-09",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04043728"
    },
    {
      "nct_id": "NCT02069483",
      "title": "Testing Methods of Self-persuasion Involving Cigarette Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tailored Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2014-04",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02069483"
    },
    {
      "nct_id": "NCT01569529",
      "title": "Young Adult Smoker's Treatment Demand",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Online advertisement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Chicago",
      "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": 3070,
      "start_date": "2012-05",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-30",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01569529"
    },
    {
      "nct_id": "NCT01162577",
      "title": "Oklahoma Weight Concerns Quitline: a Randomized Cessation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Weight Concerns",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2008-03",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2010-07-14",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01162577"
    },
    {
      "nct_id": "NCT06909357",
      "title": "Creation of an Infrastructure to Support Delivery of mHealth Interventions for Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Quitline Treatment (QT)",
          "type": "OTHER"
        },
        {
          "name": "App-based Treatment (mHealth)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2025-03-28",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 3,
      "location_summary": "Coral Gables, Florida • Gainesville, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06909357"
    },
    {
      "nct_id": "NCT06713603",
      "title": "Technology Assisted Motivational Interviewing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "TAMI Coach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 440,
      "start_date": "2025-09-22",
      "completion_date": "2027-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-05-22T06:43:30.517Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06713603"
    }
  ]
}