{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=E-Liquid",
    "query": {
      "condition": "E-Liquid"
    },
    "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?condition=E-Liquid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T21:31:56.627Z",
  "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": "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": "2026-07-21T21:31:56.627Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038515"
    },
    {
      "nct_id": "NCT03480373",
      "title": "Electronic Cigarette Use During Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 182,
      "start_date": "2018-06-18",
      "completion_date": "2023-08-30",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • Farmington, Connecticut • Hartford, Connecticut + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480373"
    },
    {
      "nct_id": "NCT04047836",
      "title": "Vaping High vs. Low Nicotine E-Liquid",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Risk Factor",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Low Nicotine E-Liquid",
          "type": "OTHER"
        },
        {
          "name": "Medium or High Nicotine E-Liquid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2023-06-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-22",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "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/NCT04047836"
    },
    {
      "nct_id": "NCT04053868",
      "title": "Evaluating the Comparative Pharmacokinetics of Nicotine After Administration Via JUUL or Tobacco Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Administration & Dosage",
        "E-cigarettes",
        "Vaping",
        "E-Liquid",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "JUUL",
          "type": "OTHER"
        },
        {
          "name": "Tobacco",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 17,
      "start_date": "2019-12-09",
      "completion_date": "2022-03-31",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "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/NCT04053868"
    },
    {
      "nct_id": "NCT05146388",
      "title": "Working With Doctors and Pharmacists to Help Parents Give Children's Liquid Medicines Safely",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Medication Dosing Error"
      ],
      "interventions": [
        {
          "name": "EHR-Based Approach",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2022-04-21",
      "completion_date": "2025-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 3,
      "location_summary": "Brooklyn, New York • New York, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05146388"
    },
    {
      "nct_id": "NCT05960305",
      "title": "CSD201204 An Actual Use Study of P12 Electronic Nicotine Delivery System Among U.S. Adult Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "P1213416",
          "type": "OTHER"
        },
        {
          "name": "P1213422",
          "type": "OTHER"
        },
        {
          "name": "P1213716",
          "type": "OTHER"
        },
        {
          "name": "P1213722",
          "type": "OTHER"
        },
        {
          "name": "P1211216",
          "type": "OTHER"
        },
        {
          "name": "P1211222",
          "type": "OTHER"
        },
        {
          "name": "P1213616",
          "type": "OTHER"
        },
        {
          "name": "P1213622",
          "type": "OTHER"
        },
        {
          "name": "P1213816",
          "type": "OTHER"
        },
        {
          "name": "P1213822",
          "type": "OTHER"
        },
        {
          "name": "P1211916",
          "type": "OTHER"
        },
        {
          "name": "P1211922",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RAI Services Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 1845,
      "start_date": "2023-09-15",
      "completion_date": "2024-01-28",
      "has_results": false,
      "last_update_posted_date": "2024-02-23",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Fort Lauderdale, Florida • Orlando, Florida + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05960305"
    },
    {
      "nct_id": "NCT03861078",
      "title": "The Effect of Electronic Cigarette Liquid Characteristics in Smokers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Cigarettes"
      ],
      "interventions": [
        {
          "name": "Own Brand Cigarette",
          "type": "OTHER"
        },
        {
          "name": "ECIG 15 mg nicotine, sweetened",
          "type": "OTHER"
        },
        {
          "name": "ECIG 15 mg nicotine, unsweet",
          "type": "OTHER"
        },
        {
          "name": "ECIG 0 mg nicotine, sweetened",
          "type": "OTHER"
        },
        {
          "name": "ECIG 0 mg nicotine, unsweet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": 22,
      "start_date": "2020-02-17",
      "completion_date": "2021-12-13",
      "has_results": true,
      "last_update_posted_date": "2022-12-23",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03861078"
    },
    {
      "nct_id": "NCT03185546",
      "title": "Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "NNC Spectrum Cigarette",
          "type": "OTHER"
        },
        {
          "name": "VLNC Spectrum Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Moderate nicotine level e-liquid",
          "type": "OTHER"
        },
        {
          "name": "Low nicotine level e-liquid",
          "type": "OTHER"
        },
        {
          "name": "Tobacco Flavors",
          "type": "OTHER"
        },
        {
          "name": "Tobacco and non-tobacco e-liquid flavors",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 156,
      "start_date": "2018-08-06",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03185546"
    },
    {
      "nct_id": "NCT06619964",
      "title": "Developing Evidence to Inform Regulatory Policy on Nicotine Content in E-Liquids",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Nicotine Addiction"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rochester Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2024-11-05",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-15",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06619964"
    },
    {
      "nct_id": "NCT04231539",
      "title": "Pharmacokinetics, Subjective Effects, and Abuse Liability of Nicotine Salt-Based Vaping Products With Tobacco or Unflavored E-liquids, SALTVAPE Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Vaporizer Device",
          "type": "DEVICE"
        },
        {
          "name": "Salt-HIgh Nicotine Unflavored (Product B)",
          "type": "DRUG"
        },
        {
          "name": "Free-Low Nicotine Tobacco Flavored (Product C)",
          "type": "DRUG"
        },
        {
          "name": "Salt-High Nicotine Tobacco Flavored (Product D)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "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": "2020-02-18",
      "completion_date": "2024-07-10",
      "has_results": true,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-07-21T21:31:56.627Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231539"
    }
  ]
}