{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Mouthwash",
    "query": {
      "intervention": "Placebo Mouthwash"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Mouthwash&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T11:42:05.534Z",
  "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": "NCT04289051",
      "title": "Clinical Evaluation of Oral Rinse for Xerostomia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "HYDRAL Oral Rinse",
          "type": "DEVICE"
        },
        {
          "name": "BIOTENE® Oral Rinse",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Oral Rinse",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sunstar Americas",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 39,
      "start_date": "2020-08-19",
      "completion_date": "2021-02-04",
      "has_results": true,
      "last_update_posted_date": "2022-02-24",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04289051"
    },
    {
      "nct_id": "NCT06660017",
      "title": "Head and Neck Cancer Patients With Oral Mucositis Treated With Ketamine Oral Rinse",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ketamine Topical",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 62,
      "start_date": "2026-09",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06660017"
    },
    {
      "nct_id": "NCT02123511",
      "title": "Acetylcysteine Rinse in Reducing Saliva Thickness and Mucositis in Patients With Head and Neck Cancer Undergoing Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mucositis",
        "Oral Complications",
        "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity",
        "Recurrent Basal Cell Carcinoma of the Lip",
        "Recurrent Lymphoepithelioma of the Nasopharynx",
        "Recurrent Lymphoepithelioma of the Oropharynx",
        "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity",
        "Recurrent Salivary Gland Cancer",
        "Recurrent Squamous Cell Carcinoma of the Larynx",
        "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Recurrent Squamous Cell Carcinoma of the Nasopharynx",
        "Recurrent Squamous Cell Carcinoma of the Oropharynx",
        "Recurrent Verrucous Carcinoma of the Larynx",
        "Recurrent Verrucous Carcinoma of the Oral Cavity",
        "Stage I Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage I Basal Cell Carcinoma of the Lip",
        "Stage I Lymphoepithelioma of the Nasopharynx",
        "Stage I Lymphoepithelioma of the Oropharynx",
        "Stage I Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage I Salivary Gland Cancer",
        "Stage I Squamous Cell Carcinoma of the Larynx",
        "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage I Squamous Cell Carcinoma of the Nasopharynx",
        "Stage I Squamous Cell Carcinoma of the Oropharynx",
        "Stage I Verrucous Carcinoma of the Larynx",
        "Stage I Verrucous Carcinoma of the Oral Cavity",
        "Stage II Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage II Basal Cell Carcinoma of the Lip",
        "Stage II Lymphoepithelioma of the Nasopharynx",
        "Stage II Lymphoepithelioma of the Oropharynx",
        "Stage II Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage II Salivary Gland Cancer",
        "Stage II Squamous Cell Carcinoma of the Larynx",
        "Stage II Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage II Squamous Cell Carcinoma of the Nasopharynx",
        "Stage II Squamous Cell Carcinoma of the Oropharynx",
        "Stage II Verrucous Carcinoma of the Larynx",
        "Stage II Verrucous Carcinoma of the Oral Cavity",
        "Stage III Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage III Basal Cell Carcinoma of the Lip",
        "Stage III Lymphoepithelioma of the Nasopharynx",
        "Stage III Lymphoepithelioma of the Oropharynx",
        "Stage III Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage III Salivary Gland Cancer",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage III Squamous Cell Carcinoma of the Nasopharynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage III Verrucous Carcinoma of the Oral Cavity",
        "Stage IV Lymphoepithelioma of the Nasopharynx",
        "Stage IV Squamous Cell Carcinoma of the Nasopharynx",
        "Stage IVA Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVA Basal Cell Carcinoma of the Lip",
        "Stage IVA Lymphoepithelioma of the Oropharynx",
        "Stage IVA Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IVA Salivary Gland Cancer",
        "Stage IVA Squamous Cell Carcinoma of the Larynx",
        "Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Verrucous Carcinoma of the Larynx",
        "Stage IVA Verrucous Carcinoma of the Oral Cavity",
        "Stage IVB Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVB Basal Cell Carcinoma of the Lip",
        "Stage IVB Lymphoepithelioma of the Oropharynx",
        "Stage IVB Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IVB Salivary Gland Cancer",
        "Stage IVB Squamous Cell Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Verrucous Carcinoma of the Larynx",
        "Stage IVB Verrucous Carcinoma of the Oral Cavity",
        "Stage IVC Adenoid Cystic Carcinoma of the Oral Cavity",
        "Stage IVC Basal Cell Carcinoma of the Lip",
        "Stage IVC Lymphoepithelioma of the Oropharynx",
        "Stage IVC Mucoepidermoid Carcinoma of the Oral Cavity",
        "Stage IVC Salivary Gland Cancer",
        "Stage IVC Squamous Cell Carcinoma of the Larynx",
        "Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity",
        "Stage IVC Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVC Verrucous Carcinoma of the Larynx",
        "Stage IVC Verrucous Carcinoma of the Oral Cavity",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2014-04",
      "completion_date": "2018-07-02",
      "has_results": true,
      "last_update_posted_date": "2019-04-30",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota • Syracuse, New York + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Bismarck",
          "state": "North Dakota"
        },
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02123511"
    },
    {
      "nct_id": "NCT00801164",
      "title": "Exploratory Study of Iocide Oral Rinse in a Diabetic Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Type 2",
        "Periodontitis"
      ],
      "interventions": [
        {
          "name": "Frio Mouth Rinse Placebo",
          "type": "DRUG"
        },
        {
          "name": "Frio Mouth Rinse",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biomedical Development Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "35 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2008-12",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2012-02-02",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00801164"
    },
    {
      "nct_id": "NCT00574860",
      "title": "EN3285 for the Prevention or Delay of Oral Mucositis in Patients With Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Oral Mucositis",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "EN3285",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard of care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2007-12",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2013-09-20",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 2,
      "location_summary": "Louisville, Kentucky • Houston, Texas",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574860"
    },
    {
      "nct_id": "NCT05921513",
      "title": "Effects of StellaLife Oral Care Recovery Kit on Palatal Wound Healing After Free Gingival Graft",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Wound Heal"
      ],
      "interventions": [
        {
          "name": "Free Gingival Graft Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2023-07-15",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05921513"
    },
    {
      "nct_id": "NCT07029438",
      "title": "Comparative Efficacy of Floss and Essential Oil/CPC+Zn Mouthwashes in Reducing Dental Plaque and Gingivitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dental Plaque",
        "Gingivitis"
      ],
      "interventions": [
        {
          "name": "Mouthwash",
          "type": "DRUG"
        },
        {
          "name": "Floss",
          "type": "DEVICE"
        },
        {
          "name": "Toothbrush",
          "type": "DEVICE"
        },
        {
          "name": "Toothpaste",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Colgate Palmolive",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 228,
      "start_date": "2025-07-07",
      "completion_date": "2025-10-16",
      "has_results": false,
      "last_update_posted_date": "2025-10-30",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07029438"
    },
    {
      "nct_id": "NCT01400620",
      "title": "Safety and Efficacy of IZN-6N4 Oral Rinse for the Prevention of Oral Mucositis in Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oral Mucositis"
      ],
      "interventions": [
        {
          "name": "IZN-6N4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Izun Pharma Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2012-03",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2018-03-13",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • Miami, Florida • New York, New York",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01400620"
    },
    {
      "nct_id": "NCT05239598",
      "title": "Povidone-Iodine Oral Rinse Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Mouth rinse",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": "2022-02-07",
      "completion_date": "2022-07-13",
      "has_results": true,
      "last_update_posted_date": "2023-08-14",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05239598"
    },
    {
      "nct_id": "NCT04584684",
      "title": "Mouth Rinses for Inactivation of COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Covid19",
        "Coronavirus Infection",
        "SARS-CoV-2 Infection"
      ],
      "interventions": [
        {
          "name": "0.9% w/v NaCL Saline",
          "type": "OTHER"
        },
        {
          "name": "1.5% w/v Hydrogen Peroxide",
          "type": "DRUG"
        },
        {
          "name": "0.12% Chlorohexidine Gluconate",
          "type": "DRUG"
        },
        {
          "name": "27% Ethanol plus essential oils",
          "type": "DRUG"
        },
        {
          "name": "0.5% w/v Povidone-iodide",
          "type": "DRUG"
        },
        {
          "name": "0.075% Cetylpyridinium Chloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 128,
      "start_date": "2020-12-18",
      "completion_date": "2021-10-21",
      "has_results": true,
      "last_update_posted_date": "2024-03-25",
      "last_synced_at": "2026-09-29T11:42:05.534Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04584684"
    }
  ]
}