{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vegetable+glycerin",
    "query": {
      "intervention": "vegetable glycerin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vegetable+glycerin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T23:19:51.911Z",
  "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": "NCT02500615",
      "title": "The Effect of Electronic Cigarette (ECIG) Liquid Vehicles on ECIG Acute Effects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Exposure",
        "Nicotine Withdrawal Suppression"
      ],
      "interventions": [
        {
          "name": "ECIG liquid vehicles",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth 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": 41,
      "start_date": "2016-07",
      "completion_date": "2017-05-16",
      "has_results": false,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500615"
    },
    {
      "nct_id": "NCT01271855",
      "title": "Assessing Maternal Post-partum Pain With Suppositories",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Belladonna and opioid suppository",
          "type": "DRUG"
        },
        {
          "name": "Glycerin Suppository",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Loyola University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2009-07-22",
      "completion_date": "2011-09-29",
      "has_results": true,
      "last_update_posted_date": "2018-03-07",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 2,
      "location_summary": "Maywood, Illinois • Melrose Park, Illinois",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Melrose Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01271855"
    },
    {
      "nct_id": "NCT02783768",
      "title": "Ventilation and Pulmonary Endothelium Toxicities of E-cigarettes: A Randomized Crossover Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "E-cigarettes"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "DEVICE"
        },
        {
          "name": "Sham",
          "type": "OTHER"
        },
        {
          "name": "Hyperpolarized 3-Helium",
          "type": "DRUG"
        },
        {
          "name": "Gadolinium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Columbia 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": 12,
      "start_date": "2017-03-01",
      "completion_date": "2018-07-24",
      "has_results": true,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02783768"
    },
    {
      "nct_id": "NCT05836051",
      "title": "Testing the Effect of ENDS Flavors on Neurotransmission",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Flavor",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 36,
      "start_date": "2023-06-01",
      "completion_date": "2025-07-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836051"
    },
    {
      "nct_id": "NCT06505694",
      "title": "A Clinical Trial to Assess the Impact of an Alcohol Alternative Herbal Tincture on Signs of Stress Anxiety and Sleep Quality.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety",
        "Stress"
      ],
      "interventions": [
        {
          "name": "Alcohol Alternative Herbal Tincture (Test Product)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Apothekary",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 80,
      "start_date": "2024-05-09",
      "completion_date": "2024-08-20",
      "has_results": false,
      "last_update_posted_date": "2025-04-24",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06505694"
    },
    {
      "nct_id": "NCT01911299",
      "title": "Choline Supplementation in Children With Fetal Alcohol Spectrum Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fetal Alcohol Spectrum Disorders",
        "Fetal Alcohol Syndrome",
        "Partial Fetal Alcohol Syndrome",
        "Alcohol-related Neurodevelopmental Disorder",
        "Prenatal Alcohol Exposure"
      ],
      "interventions": [
        {
          "name": "Choline",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo supplementation consisting of vegetable glycerin (50% by volume) and deionized water",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "5 Years to 10 Years"
      },
      "enrollment_count": 55,
      "start_date": "2013-05",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-08-01",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01911299"
    },
    {
      "nct_id": "NCT02918630",
      "title": "E-cigarettes to Promote Smoking Reduction Among Individuals With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "E-cigarette",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2016-10",
      "completion_date": "2017-08",
      "has_results": true,
      "last_update_posted_date": "2018-07-05",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918630"
    },
    {
      "nct_id": "NCT03151148",
      "title": "Targeted Microbiome Transplant in Atopic Dermatitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis (AD)"
      ],
      "interventions": [
        {
          "name": "TMT Lotion",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo Lotion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 54,
      "start_date": "2017-09-28",
      "completion_date": "2019-06-07",
      "has_results": true,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 2,
      "location_summary": "San Diego, California • Denver, Colorado",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03151148"
    },
    {
      "nct_id": "NCT05918887",
      "title": "Feasibility and Acceptability of Switching to E-cigarettes Among Cigarette Smokers Engaged in SUD Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence Caused by Cigarettes"
      ],
      "interventions": [
        {
          "name": "NJOY ACE commercial e-cigarette",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Nevada, Reno",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2024-06-18",
      "completion_date": "2024-09-13",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Reno, Nevada",
      "locations": [
        {
          "city": "Reno",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05918887"
    },
    {
      "nct_id": "NCT03700892",
      "title": "In-vivo Effects of E-cigarette Aerosol on Innate Lung Host Defense",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cinnamaldehyde e-liquid",
          "type": "OTHER"
        },
        {
          "name": "PG/VG e-liquid",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 19,
      "start_date": "2018-10-19",
      "completion_date": "2020-03-03",
      "has_results": true,
      "last_update_posted_date": "2021-06-10",
      "last_synced_at": "2026-09-13T23:19:51.911Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03700892"
    }
  ]
}