{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=43",
    "query": {
      "intervention": "negative control",
      "page": 43
    },
    "page_size": 10
  },
  "pagination": {
    "page": 43,
    "page_size": 10,
    "total_count": 1040,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=44&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=42&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T00:26:57.363Z",
  "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": "NCT01532232",
      "title": "Tobacco Dependence in Breast Cancer Patients Trial of Varenicline (Chantix)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2012-02",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01532232"
    },
    {
      "nct_id": "NCT03077243",
      "title": "P53 Mutational Status and cf HPV DNA for the Management of HPV-associated OPSCC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Squamous Cell",
        "Head and Neck Neoplasms",
        "Oropharyngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiotherapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin (or alternative)",
          "type": "DRUG"
        },
        {
          "name": "Assessment for surgical evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 195,
      "start_date": "2016-12",
      "completion_date": "2022-12-14",
      "has_results": true,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 4,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida • Chapel Hill, North Carolina + 1 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03077243"
    },
    {
      "nct_id": "NCT04853316",
      "title": "Asymptomatic SARS-CoV-2 Detection in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "SARS-CoV-2"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Calgary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 372,
      "start_date": "2021-01-31",
      "completion_date": "2022-08-22",
      "has_results": false,
      "last_update_posted_date": "2022-11-02",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 4,
      "location_summary": "Birmingham, Alabama • San Diego, California • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04853316"
    },
    {
      "nct_id": "NCT05855655",
      "title": "Developing an Online Mindfulness-based Intervention to Reduce Minority Stress and HIV Risk Among Young Adult MSM - Aim 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hiv",
        "Minority Stress",
        "Mental Health Wellness 1"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Based Queer Resilience (MBQR)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "MALE",
        "summary": "18 Years to 34 Years · Male only"
      },
      "enrollment_count": 68,
      "start_date": "2023-04-08",
      "completion_date": "2024-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05855655"
    },
    {
      "nct_id": "NCT06613347",
      "title": "Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Staining"
      ],
      "interventions": [
        {
          "name": "whitening maintenance",
          "type": "OTHER"
        },
        {
          "name": "whitening maintenance MW",
          "type": "OTHER"
        },
        {
          "name": "negative control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Colgate Palmolive",
      "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": 93,
      "start_date": "2024-10-07",
      "completion_date": "2024-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "Costa Mesa, California",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06613347"
    },
    {
      "nct_id": "NCT02281955",
      "title": "De-intensification of Radiation and Chemotherapy for Low-Risk HPV-related Oropharyngeal SCC: Follow-up Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Squamous Cell",
        "Head and Neck Neoplasms",
        "Oropharyngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiotherapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin (or alternative)",
          "type": "DRUG"
        },
        {
          "name": "Assessment for surgical evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2014-08",
      "completion_date": "2024-11-24",
      "has_results": true,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida • Chapel Hill, North Carolina • Hendersonville, North Carolina + 2 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Hendersonville",
          "state": "North Carolina"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02281955"
    },
    {
      "nct_id": "NCT02151058",
      "title": "A Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain Removal",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tooth Stain"
      ],
      "interventions": [
        {
          "name": "Colgate® Regular Cavity Protection",
          "type": "DRUG"
        },
        {
          "name": "Experimental Mouth Rinse",
          "type": "DRUG"
        },
        {
          "name": "Crest® 3D White Multi-Care Whitening Rinse, Glamorous White, Fresh Mint",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer and Personal Products Worldwide",
      "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": 227,
      "start_date": "2014-06",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2015-06-01",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02151058"
    },
    {
      "nct_id": "NCT01799993",
      "title": "Inhaled Amikacin Solution BAY41-6551 as Adjunctive Therapy in the Treatment of Gram-Negative Pneumonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pneumonia, Bacterial"
      ],
      "interventions": [
        {
          "name": "Amikacin Inhalation Solution (BAY41-6551)",
          "type": "DRUG"
        },
        {
          "name": "Aerosolized Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 725,
      "start_date": "2013-04-13",
      "completion_date": "2017-04-07",
      "has_results": true,
      "last_update_posted_date": "2018-07-23",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 32,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 27 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01799993"
    },
    {
      "nct_id": "NCT06846593",
      "title": "The Comparison of Semiconductor Embedded Therapeutic Arm Sleeves for the Treatment of ECRB Tendinopathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ECRB Tendinopathy"
      ],
      "interventions": [
        {
          "name": "Semiconductor Embedded Therapeutic Arm Sleeves",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Arm Sleeves",
          "type": "DEVICE"
        },
        {
          "name": "Platelet-Rich Plasma with Adipose Stem Cell (PRP+ASC) Injections",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "INCREDIWEAR HOLDINGS, INC.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 5,
      "start_date": "2024-11-01",
      "completion_date": "2026-05-20",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "Chesterfield, Missouri",
      "locations": [
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06846593"
    },
    {
      "nct_id": "NCT05598398",
      "title": "NPWTi on Closure of Chronic Pressure Sores",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pressure Sore"
      ],
      "interventions": [
        {
          "name": "V.A.C.Ulta™ Negative Pressure Wound Therapy System",
          "type": "DEVICE"
        },
        {
          "name": "Standard of Care (Wet-to-dry dressings)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2022-09-26",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-10-29T00:26:57.363Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05598398"
    }
  ]
}