{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cig+without+nicotine",
    "query": {
      "intervention": "e-cig without nicotine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=e-cig+without+nicotine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T07:58:46.540Z",
  "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": "NCT03916341",
      "title": "Smoking and Ventricular Repolarization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sudden Cardiac Death",
        "Prolonged QTc Interval"
      ],
      "interventions": [
        {
          "name": "EC with nicotine",
          "type": "OTHER"
        },
        {
          "name": "EC without nicotine",
          "type": "OTHER"
        },
        {
          "name": "control",
          "type": "OTHER"
        },
        {
          "name": "TC with nicotine (own brand)",
          "type": "OTHER"
        },
        {
          "name": "research TC with very low level nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 110,
      "start_date": "2019-10-01",
      "completion_date": "2023-04-10",
      "has_results": false,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916341"
    },
    {
      "nct_id": "NCT03691350",
      "title": "Bronchoscopy in Determining the Effect of E-Cigarette Smoking on Biomarkers in the Lungs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Every Day Smoker"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Cigarette",
          "type": "DRUG"
        },
        {
          "name": "Electronic Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "52 Years",
        "sex": "ALL",
        "summary": "21 Years to 52 Years"
      },
      "enrollment_count": 66,
      "start_date": "2018-09-17",
      "completion_date": "2024-03-10",
      "has_results": true,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691350"
    },
    {
      "nct_id": "NCT03379740",
      "title": "Study to Investigate the Nicotine Pharmacokinetic Profiles and Pharmacodynamic Effects of P4M3 Variants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaping",
        "Nicotine Absorption"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "OTHER"
        },
        {
          "name": "P4M3-1.7%",
          "type": "OTHER"
        },
        {
          "name": "P4M3-1.7%LA",
          "type": "OTHER"
        },
        {
          "name": "P4M3-3%LA",
          "type": "OTHER"
        },
        {
          "name": "P4M3-4%LA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Philip Morris Products S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-07-11",
      "completion_date": "2017-12-01",
      "has_results": true,
      "last_update_posted_date": "2019-11-22",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03379740"
    },
    {
      "nct_id": "NCT04038515",
      "title": "Impact of Flavors on Nicotine Perception and Self-Administration Via E-cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine",
        "E-liquid Flavors"
      ],
      "interventions": [
        {
          "name": "Nicotine 0 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "Nicotine 6 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "Nicotine 12 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "Nicotine 24 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "'Menthol' flavor",
          "type": "OTHER"
        },
        {
          "name": "'Menthol/Mint' flavor",
          "type": "OTHER"
        },
        {
          "name": "'Green Apple' flavor",
          "type": "OTHER"
        },
        {
          "name": "'Watermelon' flavor",
          "type": "OTHER"
        },
        {
          "name": "'Unflavored'",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "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": 54,
      "start_date": "2022-10-27",
      "completion_date": "2024-06-03",
      "has_results": false,
      "last_update_posted_date": "2024-08-05",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038515"
    },
    {
      "nct_id": "NCT02740595",
      "title": "E-cigarettes and Blood Vessel Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "one time exposure to e-cig with nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to e-cig without nicotine",
          "type": "OTHER"
        },
        {
          "name": "one time exposure to empty e-cig",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 148,
      "start_date": "2015-08",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-05",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02740595"
    },
    {
      "nct_id": "NCT04124432",
      "title": "Behavioral Pharmacology of Cannabis and Nicotine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cannabis",
        "Nicotine"
      ],
      "interventions": [
        {
          "name": "Cannabis",
          "type": "DRUG"
        },
        {
          "name": "Nicotine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2020-09-15",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-04-17",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04124432"
    },
    {
      "nct_id": "NCT05107687",
      "title": "Effectiveness of Smoking Cessation Program in a Community Health System",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virtua Health, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2021-05-10",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-04-05",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Voorhees Township, New Jersey",
      "locations": [
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05107687"
    },
    {
      "nct_id": "NCT04133376",
      "title": "Electronic Hookah and Endothelial Cell Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Electronic hookah vaping with nicotine",
          "type": "OTHER"
        },
        {
          "name": "Electronic hookah vaping without nicotine",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "21 Years to 39 Years"
      },
      "enrollment_count": 33,
      "start_date": "2020-01-16",
      "completion_date": "2023-05-29",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04133376"
    },
    {
      "nct_id": "NCT02498145",
      "title": "Short Term Effects of Electronic Cigarettes in Tobacco Dependent Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine e-cigarette",
          "type": "OTHER"
        },
        {
          "name": "Non-nicotine e-cigarette",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2014-10",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02498145"
    },
    {
      "nct_id": "NCT03251053",
      "title": "Adverse Airway Effects From Tobacco and E-Cigarettes",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Airway Morbidity",
        "Smoking Cessation",
        "Nicotine Adverse Reaction",
        "Smoking, Tobacco",
        "Smoking, Cigarette"
      ],
      "interventions": [
        {
          "name": "Electronic cigarette use",
          "type": "DEVICE"
        },
        {
          "name": "Control regular cigarette smokers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Miami VA Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2016-03-28",
      "completion_date": "2021-03-28",
      "has_results": false,
      "last_update_posted_date": "2017-08-16",
      "last_synced_at": "2026-09-11T07:58:46.540Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03251053"
    }
  ]
}