{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=3",
    "query": {
      "intervention": "Negative control",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T22:09:26.224Z",
  "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": "NCT04291612",
      "title": "Observational Study of Women With Endometrial Cancer Who Receive the Standard Treatment for Their Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endometrial Cancer",
        "Endometrioid Adenocarcinoma",
        "Endometrial Cancer Stage I"
      ],
      "interventions": [
        {
          "name": "Physical exam",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "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": 1715,
      "start_date": "2020-02-26",
      "completion_date": "2027-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-08-07",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 13,
      "location_summary": "Hartford, Connecticut • Miami, Florida • Orlando, Florida + 10 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04291612"
    },
    {
      "nct_id": "NCT03139019",
      "title": "Medicaid Incentives for the Prevention of Chronic Diseases: Diabetes Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Prevention"
      ],
      "interventions": [
        {
          "name": "Process incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outcome incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Process and Outcome incentives",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 596,
      "start_date": "2014-06",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03139019"
    },
    {
      "nct_id": "NCT03988309",
      "title": "STRATA: Safe Testing of Risk for AsymptomaTic MicrohematuriA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematuria",
        "Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Cxbladder",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Pacific Edge Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 554,
      "start_date": "2019-09-11",
      "completion_date": "2024-07-24",
      "has_results": false,
      "last_update_posted_date": "2025-05-31",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Winter Garden, Florida • Chicago, Illinois + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Winter Garden",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03988309"
    },
    {
      "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": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Whitter, California",
      "locations": [
        {
          "city": "Whitter",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07158112"
    },
    {
      "nct_id": "NCT04955730",
      "title": "NPWT in Patients Undergoing Surgical Procedures for Management of GI Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Surgical Wound Infection"
      ],
      "interventions": [
        {
          "name": "Negative Pressure Wound Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 290,
      "start_date": "2021-08-05",
      "completion_date": "2025-09-23",
      "has_results": true,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04955730"
    },
    {
      "nct_id": "NCT02127281",
      "title": "Evaluation of Wound Management With Negative Pressure Dressing Versus Standard Dressing After Revision Arthroplasty.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prosthesis-related Infections",
        "Wound Complications",
        "Joint Diseases",
        "Musculoskeletal Diseases"
      ],
      "interventions": [
        {
          "name": "Prevena",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2014-05",
      "completion_date": "2017-06-30",
      "has_results": true,
      "last_update_posted_date": "2018-09-19",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02127281"
    },
    {
      "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": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04921371"
    },
    {
      "nct_id": "NCT05254912",
      "title": "Photoallergic Potential of 6% Bemotrizinol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Photoallergic Response"
      ],
      "interventions": [
        {
          "name": "6% Bemotrizinol in sunscreen formulation",
          "type": "DRUG"
        },
        {
          "name": "6% Bemotrizinol in petrolatum",
          "type": "DRUG"
        },
        {
          "name": "Vehicle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "dsm-firmenich Switzerland AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2022-03-07",
      "completion_date": "2022-04-22",
      "has_results": false,
      "last_update_posted_date": "2022-08-26",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05254912"
    },
    {
      "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": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06359028"
    },
    {
      "nct_id": "NCT04274465",
      "title": "Application of Plasma Circulating HPV DNA Testing to Management of Cervical Intraepithelial Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervix Lesion",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "digital PCR (dPCR) assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 145,
      "start_date": "2020-02-26",
      "completion_date": "2024-07-15",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-10-23T22:09:26.224Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04274465"
    }
  ]
}