{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+gum",
    "query": {
      "intervention": "placebo gum"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 81,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+gum&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T06:03:20.510Z",
  "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": "NCT03237624",
      "title": "Functional Chewing Gum in Reduction of Gingival Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingivitis"
      ],
      "interventions": [
        {
          "name": "Functional Chitosan Chewing Gum",
          "type": "DEVICE"
        },
        {
          "name": "Control Chewing Gum",
          "type": "DEVICE"
        },
        {
          "name": "Oral hygiene measures",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2018-01-31",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03237624"
    },
    {
      "nct_id": "NCT03219840",
      "title": "Cetylpyridium Chloride (CPC) Based Chewing Gum and Gingivitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gingivitis",
        "Plaque, Dental",
        "Periodontal Diseases"
      ],
      "interventions": [
        {
          "name": "Cetylpyridinium Chloride (CPC) 0.09% + Xylitol chewing gum",
          "type": "DRUG"
        },
        {
          "name": "Xylitol only chewing gum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2017-10-18",
      "completion_date": "2018-09-08",
      "has_results": true,
      "last_update_posted_date": "2021-02-08",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03219840"
    },
    {
      "nct_id": "NCT07772089",
      "title": "Acute Nicotine Gum and Tinnitus Loudness in Non-Smoking Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Tinnitus",
        "Chronic Subjective Tinnitus"
      ],
      "interventions": [
        {
          "name": "Nicotine polacrilex gum 4 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 29,
      "start_date": "2026-03-25",
      "completion_date": "2026-08-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07772089"
    },
    {
      "nct_id": "NCT01782170",
      "title": "Efficacy of Iocide Oral Rinse Against Gingival Inflammation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gingivitis",
        "Investigation of Biological Markers of Inflammation"
      ],
      "interventions": [
        {
          "name": "Iocide Oral Rinse",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biomedical Development Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2013-02",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2013-08-14",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01782170"
    },
    {
      "nct_id": "NCT02761993",
      "title": "Safety, Efficacy and Treatment Regimen Study of ST266 in Subjects With Moderate to Severe Periodontitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Periodontal Disease"
      ],
      "interventions": [
        {
          "name": "ST266",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline (0.9% NaCl)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Noveome Biotherapeutics, formerly Stemnion",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 151,
      "start_date": "2016-04",
      "completion_date": "2017-10",
      "has_results": true,
      "last_update_posted_date": "2021-07-22",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Indianapolis, Indiana • Cambridge, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02761993"
    },
    {
      "nct_id": "NCT00769314",
      "title": "Phase 3 Clinical Study for the Treatment of Cold Sore",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Herpes Labialis"
      ],
      "interventions": [
        {
          "name": "Acyclovir Lauriad",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Valerio Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1727,
      "start_date": "2007-05",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2012-12-21",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 10,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Wheat Ridge",
          "state": "Colorado"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00769314"
    },
    {
      "nct_id": "NCT07403604",
      "title": "Effect of Insulin Lowering on Lipogenesis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperinsulinemia",
        "Insulin Resistance",
        "Non-Alcoholic Fatty Liver Disease",
        "Prediabetic State",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Diazoxide Oral Suspension, 2 mg per kg per dose",
          "type": "DRUG"
        },
        {
          "name": "Deuterated water (2H2O/D2O), 70%",
          "type": "DRUG"
        },
        {
          "name": "Insulin Suppression Test (IST)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Columbia University",
      "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": 25,
      "start_date": "2026-07-01",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07403604"
    },
    {
      "nct_id": "NCT04399083",
      "title": "Real-Time Caffeine Optimization During Total Sleep Deprivation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caffeine",
        "Sleep Deprivation",
        "Shift-Work Related Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Caffeine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-02-19",
      "completion_date": "2021-07-31",
      "has_results": false,
      "last_update_posted_date": "2021-09-17",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04399083"
    },
    {
      "nct_id": "NCT00320697",
      "title": "Smoking Relapse Prevention in Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Smokers"
      ],
      "interventions": [
        {
          "name": "bupropion + nicotine patch + nicotine gum or lozenges",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill + placebo patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "North Suffolk Mental Health Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 25,
      "start_date": "2006-04",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2016-09-27",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00320697"
    },
    {
      "nct_id": "NCT06029283",
      "title": "Dietary Nitrate Functional Gum Effect on Gingivitis and Heart Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingivitis",
        "Cardiovascular Diseases",
        "Gingival Diseases",
        "Gingival Bleeding",
        "Periodontal Diseases"
      ],
      "interventions": [
        {
          "name": "dietary nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo chewing gum",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-04-15",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-09-17T06:03:20.510Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06029283"
    }
  ]
}