{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=cigarette+or+e-cigarette&page=2",
    "query": {
      "intervention": "cigarette or e-cigarette",
      "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?intervention=cigarette+or+e-cigarette&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T03:07:02.051Z",
  "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": "NCT02602730",
      "title": "Internet-Based Nonsmoking Program for Postpartum Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Break the Chain",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Clearing the Air",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Center for Applied Science, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 307,
      "start_date": "2012-02",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2015-11-11",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02602730"
    },
    {
      "nct_id": "NCT04460417",
      "title": "Chicago Community Health Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Enhanced Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TAU",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 204,
      "start_date": "2017-10-01",
      "completion_date": "2018-10-31",
      "has_results": false,
      "last_update_posted_date": "2020-07-07",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04460417"
    },
    {
      "nct_id": "NCT05280535",
      "title": "Dual Use of ENDS and Combustible Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cigarette",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Cue Reactivity Task",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Computerized Visual Dot Probe",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Choice Task",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "21 Years to 34 Years"
      },
      "enrollment_count": 82,
      "start_date": "2022-12-14",
      "completion_date": "2025-05-20",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05280535"
    },
    {
      "nct_id": "NCT01874886",
      "title": "Cannabis Effects on Brain Morphology in Aging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Study Focuses on Brain Morphology and Cognition in Older Subjects"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-01",
      "completion_date": "2019-04",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01874886"
    },
    {
      "nct_id": "NCT06952569",
      "title": "Human Factors Validation and Usability Testing of the IKE Age-Gating System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaping",
        "Underage"
      ],
      "interventions": [
        {
          "name": "IKE System",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "IKE Tech",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2025-02-18",
      "completion_date": "2025-03-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Chicago, Illinois • New York, New York + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06952569"
    },
    {
      "nct_id": "NCT02328794",
      "title": "Randomized Clinical Trial to Reduce Harm From Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "E-cigarette free access",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette/NRT/Zyban/Chantix Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outcome Incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss framing incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 6006,
      "start_date": "2015-01-01",
      "completion_date": "2017-04-20",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02328794"
    },
    {
      "nct_id": "NCT05525078",
      "title": "Quit or Switch: E-cigarette Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "e-cigarette",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patch, Nicotine lozenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-08-01",
      "completion_date": "2023-07-17",
      "has_results": true,
      "last_update_posted_date": "2024-04-26",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05525078"
    },
    {
      "nct_id": "NCT03634839",
      "title": "Effects of E-cigarette Flavors on Youth TCORS 2.0",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Flavoring Agents",
          "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": "20 Years",
        "sex": "ALL",
        "summary": "18 Years to 20 Years"
      },
      "enrollment_count": 42,
      "start_date": "2022-11-07",
      "completion_date": "2023-07-20",
      "has_results": true,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03634839"
    },
    {
      "nct_id": "NCT04707911",
      "title": "Social Media Intervention to Stop Nicotine and Cannabis Vaping Among Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping"
      ],
      "interventions": [
        {
          "name": "Social Media Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "13 Years to 21 Years"
      },
      "enrollment_count": 500,
      "start_date": "2021-11-18",
      "completion_date": "2024-06-18",
      "has_results": false,
      "last_update_posted_date": "2024-06-21",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04707911"
    },
    {
      "nct_id": "NCT06474299",
      "title": "The Avenues Study: Dual Use Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Electronic Cigarette Use"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Dual Focused Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking Focused Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling Intensity: 1 Session",
          "type": "OTHER"
        },
        {
          "name": "Counseling Intensity: 4 Sessions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2024-09-24",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-30T03:07:02.051Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06474299"
    }
  ]
}