{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+Control&page=29",
    "query": {
      "intervention": "Negative Control",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 1038,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+Control&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+Control&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T21:27:38.503Z",
  "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": "NCT02207114",
      "title": "Using Biomarkers to Optimize Antibiotic Strategies in Sepsis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Biomarker Algorithm Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 145,
      "start_date": "2012-01",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2024-01-05",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02207114"
    },
    {
      "nct_id": "NCT06313606",
      "title": "Sparking Gut Bacteria Production of Bioactive Xenolipids in Situ",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Fat Metabolism"
      ],
      "interventions": [
        {
          "name": "Dietary fat positive control",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary fat negative control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-05-21",
      "completion_date": "2024-08-26",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06313606"
    },
    {
      "nct_id": "NCT00663663",
      "title": "Telephone Intervention for Pain Study (TIPS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Multiple Sclerosis",
        "Amputation",
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Telephone-Delivered Intervention 1",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Telephone-Delivered Intervention 2",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2009-09",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-08-30",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00663663"
    },
    {
      "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": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Whitter, California",
      "locations": [
        {
          "city": "Whitter",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07158112"
    },
    {
      "nct_id": "NCT04934228",
      "title": "Mitigating the Pro-inflammatory Phenotype of Obesity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Blood Pressure",
        "Diabetes",
        "Obesity",
        "Insulin Resistance",
        "Diuretics Drug Reactions",
        "Sympathetic Nerve Activity"
      ],
      "interventions": [
        {
          "name": "Hydrochlorothiazide 12.5Mg Tab",
          "type": "DRUG"
        },
        {
          "name": "Clonidine Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-07-01",
      "completion_date": "2027-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04934228"
    },
    {
      "nct_id": "NCT00719563",
      "title": "American Ginseng in Treating Patients With Fatigue Caused by Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Fatigue",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Precancerous Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "American ginseng",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 364,
      "start_date": "2008-10",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 326,
      "location_summary": "Scottsdale, Arizona • Aurora, Colorado • Boulder, Colorado + 208 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00719563"
    },
    {
      "nct_id": "NCT03493828",
      "title": "Efficacy of TAP Block in Cesarean Section Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain Control"
      ],
      "interventions": [
        {
          "name": "TAP block using Bupivacaine 0.5%",
          "type": "PROCEDURE"
        },
        {
          "name": "TAP block using Bupivacaine 0.25%",
          "type": "PROCEDURE"
        },
        {
          "name": "TAP block using Normal Saline",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "New York Presbyterian Brooklyn Methodist Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 60,
      "start_date": "2013-06",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-11-13",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03493828"
    },
    {
      "nct_id": "NCT04551807",
      "title": "Natural Versus Programmed Frozen Embryo Transfer (NatPro)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pregnancy Related",
        "Pre-Eclampsia"
      ],
      "interventions": [
        {
          "name": "Modified natural cycle",
          "type": "PROCEDURE"
        },
        {
          "name": "Programmed cycle",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "JHSPH Center for Clinical Trials",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "41 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 41 Years · Female only"
      },
      "enrollment_count": 788,
      "start_date": "2020-09-16",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Sunnyvale, California • Orange, Connecticut + 12 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Sunnyvale",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "Connecticut"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04551807"
    },
    {
      "nct_id": "NCT01615939",
      "title": "A Study Comparing Continuous Sciatic Nerve Block to Single Shot Sciatic Nerve Block",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Fracture of Foot"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern 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": 17,
      "start_date": "2012-06",
      "completion_date": "2015-01",
      "has_results": true,
      "last_update_posted_date": "2016-08-01",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615939"
    },
    {
      "nct_id": "NCT01192880",
      "title": "A Study to Evaluate Efficacy and Safety of Bitopertin in Participants With Persistent, Predominant Negative Symptoms of Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Bitopertin",
          "type": "DRUG"
        },
        {
          "name": "Antipsychotics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 625,
      "start_date": "2010-11",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-02-15",
      "last_synced_at": "2026-10-20T21:27:38.503Z",
      "location_count": 27,
      "location_summary": "Costa Mesa, California • Escondido, California • Granada Hills, California + 24 more",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01192880"
    }
  ]
}