{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control+dentifrice&page=2",
    "query": {
      "intervention": "Negative control dentifrice",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control+dentifrice&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T15:17:20.856Z",
  "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": "NCT07419685",
      "title": "Intraoral Appliance (IOA) Model Evaluating the Efficacy of a Whitening Toothpaste",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "Negative Control Toothpaste",
          "type": "DRUG"
        },
        {
          "name": "Active Comparator",
          "type": "DRUG"
        },
        {
          "name": "Test Toothpaste",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Church & Dwight Company, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2024-10-08",
      "completion_date": "2025-01-17",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Noblesville, Indiana",
      "locations": [
        {
          "city": "Noblesville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07419685"
    },
    {
      "nct_id": "NCT00762151",
      "title": "A Study to Investigate the Anti-Plaque Effect of AN0128 Toothpaste",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dental Plaque"
      ],
      "interventions": [
        {
          "name": "Negative Control (Regular Toothpaste)",
          "type": "OTHER"
        },
        {
          "name": "Positive Control (anti-plaque/anti-bacterial toothpaste)",
          "type": "OTHER"
        },
        {
          "name": "Prototype (AN0128 Toothpaste)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 18,
      "start_date": "2007-11",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-05",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Cedar Knolls, New Jersey",
      "locations": [
        {
          "city": "Cedar Knolls",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00762151"
    },
    {
      "nct_id": "NCT07158112",
      "title": "Assessing Gingivitis and Plaque From a Marketed Toothpaste",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gingivitis"
      ],
      "interventions": [
        {
          "name": "Stannous Fluoride Dentifrice",
          "type": "DRUG"
        },
        {
          "name": "Test Stannous Fluoride Dentifrice",
          "type": "DRUG"
        },
        {
          "name": "Sodium monofluorophosphate dentifrice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Procter and Gamble",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-08-30",
      "completion_date": "2025-12-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Whitter, California",
      "locations": [
        {
          "city": "Whitter",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07158112"
    },
    {
      "nct_id": "NCT06010732",
      "title": "In Situ Comparison of the Remineralization Potential of Optimized Fluoride Dentifrice With Control Fluoride Dentifrice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Caries"
      ],
      "interventions": [
        {
          "name": "0 ppm F (placebo, negative control)",
          "type": "DRUG"
        },
        {
          "name": "1100 ppm F as sodium fluoride (positive control)",
          "type": "DRUG"
        },
        {
          "name": "1100 ppm F as sodium fluoride Test Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 52,
      "start_date": "2023-10-02",
      "completion_date": "2024-02-22",
      "has_results": true,
      "last_update_posted_date": "2025-06-15",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06010732"
    },
    {
      "nct_id": "NCT04921371",
      "title": "Six Week Study of Experimental Mouth Rinses: Effect on Gingivitis and Plaque",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gingivitis",
        "Plaque"
      ],
      "interventions": [
        {
          "name": "Colgate® Cavity Protection Toothpaste",
          "type": "OTHER"
        },
        {
          "name": "Listerine® Cool Mint®",
          "type": "OTHER"
        },
        {
          "name": "Concept Curve Winter Series Toothbrush",
          "type": "OTHER"
        },
        {
          "name": "5% Hydroalcohol Mouthrinse",
          "type": "OTHER"
        },
        {
          "name": "Mouthrinse Prototype 1",
          "type": "OTHER"
        },
        {
          "name": "Mouthrinse Prototype 2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 157,
      "start_date": "2019-10-08",
      "completion_date": "2019-12-19",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04921371"
    },
    {
      "nct_id": "NCT04696536",
      "title": "A Twelve Week Study of Supervised Mouth Rinse and Flossing",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Colgate Cavity Protection Toothpaste",
          "type": "OTHER"
        },
        {
          "name": "American Dental Association (ADA) Referenced Toothbrush",
          "type": "OTHER"
        },
        {
          "name": "5% Hydroalcohol Mouth Rinse",
          "type": "OTHER"
        },
        {
          "name": "REACH Dental Floss",
          "type": "OTHER"
        },
        {
          "name": "Alcohol-containing Essential Oil (AEO) Mouth Rinse (Listerine Cool Mint, marketed)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 149,
      "start_date": "2018-09-26",
      "completion_date": "2018-12-21",
      "has_results": false,
      "last_update_posted_date": "2021-09-28",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04696536"
    },
    {
      "nct_id": "NCT04050722",
      "title": "A Clinical Study Investigating the Efficacy of a Stannous Fluoride Dentifrice in Improving Gingival Health After Twice Daily Use for 3 Weeks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Gingivitis"
      ],
      "interventions": [
        {
          "name": "Sensodyne Repair and Protect",
          "type": "DRUG"
        },
        {
          "name": "Colgate Cavity Protection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 130,
      "start_date": "2019-10-07",
      "completion_date": "2019-11-13",
      "has_results": true,
      "last_update_posted_date": "2020-11-19",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04050722"
    },
    {
      "nct_id": "NCT06136455",
      "title": "A Study to Investigate Salivary Flow and Potential of Hydrogen (pH) Following Use of Essential-Oil Containing Mouthwashes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Listerine Clinical Solutions Teeth Strength",
          "type": "DRUG"
        },
        {
          "name": "Listerine Total Care Zero Alcohol Mouthwash",
          "type": "DRUG"
        },
        {
          "name": "Listerine Cool Mint Zero Alcohol Mouthwash",
          "type": "OTHER"
        },
        {
          "name": "Colgate Cavity Protection Toothpaste",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2023-11-13",
      "completion_date": "2023-11-16",
      "has_results": false,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06136455"
    },
    {
      "nct_id": "NCT06359028",
      "title": "Clinical Study to Evaluate the Anti-sensitivity Efficacy of a Stannous Fluoride Toothpaste in a Population of Dentin Hypersensitivity Sufferers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dentin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Stannous fluoride toothpaste",
          "type": "DRUG"
        },
        {
          "name": "Crest cavity protection toothpaste",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HALEON",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 111,
      "start_date": "2024-03-25",
      "completion_date": "2024-06-20",
      "has_results": true,
      "last_update_posted_date": "2025-06-24",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06359028"
    },
    {
      "nct_id": "NCT04155658",
      "title": "Evaluation of Efficacy of Sodium Monofluorophosphate (SMPF) Toothpastes on Enamel Lesion Remineralisation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Enamel Caries"
      ],
      "interventions": [
        {
          "name": "Experimental Toothpaste containing 1450ppm SMFP",
          "type": "OTHER"
        },
        {
          "name": "Toothpaste containing 1450ppm SMFP",
          "type": "OTHER"
        },
        {
          "name": "Toothpaste with no fluoride",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Unilever R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 55,
      "start_date": "2019-11-25",
      "completion_date": "2020-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-05-18",
      "last_synced_at": "2026-09-26T15:17:20.856Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155658"
    }
  ]
}