{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=21",
    "query": {
      "intervention": "Negative control",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T20:09:44.117Z",
  "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": "NCT04481919",
      "title": "Randomized Controlled Trial of urinE chemiStry Guided aCute heArt faiLure treATmEnt (ESCALATE)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Acute Heart Failure"
      ],
      "interventions": [
        {
          "name": "Protocolized diuretic therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 474,
      "start_date": "2022-05-01",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481919"
    },
    {
      "nct_id": "NCT03144336",
      "title": "Using Mobile Technology and Incentives With Men Who Have Sex With Men and Transgender Women for HIV Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Information provision",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Weekly quizzes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Rewards for testing HIV-negative",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "RAND",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 217,
      "start_date": "2017-05-24",
      "completion_date": "2019-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-09-10",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03144336"
    },
    {
      "nct_id": "NCT06957067",
      "title": "Reducing Dropout and Improving Outcomes From PTSD Therapy: When to Switch Therapies or Stay the Course",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "CPT Skills",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive Processing Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Present Centered Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Shared Decision Making",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Measurement Based Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "United States Department of Defense",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2025-03-17",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • New Orleans, Louisiana • Charleston, South Carolina + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06957067"
    },
    {
      "nct_id": "NCT03648177",
      "title": "Integrative Psychosocial Group Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Misuse"
      ],
      "interventions": [
        {
          "name": "IPGT",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment as Usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 30,
      "start_date": "2018-11-02",
      "completion_date": "2019-02-28",
      "has_results": false,
      "last_update_posted_date": "2019-05-06",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03648177"
    },
    {
      "nct_id": "NCT00728728",
      "title": "Pregnenolone for Cognitive and Negative Symptoms in Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement: Pregnenolone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 88,
      "start_date": "2009-12",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-02-10",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00728728"
    },
    {
      "nct_id": "NCT03678181",
      "title": "Increasing Engagement and Improving HIV Outcomes Via HealthMPowerment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Sexually Transmitted Diseases",
        "Stigma, Social"
      ],
      "interventions": [
        {
          "name": "Information Resources",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Social Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "HIV Testing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "29 Years",
        "sex": "MALE",
        "summary": "15 Years to 29 Years · Male only"
      },
      "enrollment_count": 750,
      "start_date": "2020-07-07",
      "completion_date": "2023-10-15",
      "has_results": true,
      "last_update_posted_date": "2024-09-27",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 3,
      "location_summary": "Chapel Hill, North Carolina • Durham, North Carolina • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03678181"
    },
    {
      "nct_id": "NCT01799018",
      "title": "Role of Proteomics and Metallomics in Cerebral Vasospasm Following Subarachnoid Hemorrhage",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Subarachnoid Hemorrhage",
        "Cerebral Vasospasm",
        "Hydrocephalus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-04",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-11-20",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01799018"
    },
    {
      "nct_id": "NCT07283523",
      "title": "Virtual Reality to Combat Weight-Based Implicit Bias: BWH Pilot Study",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Implicit Bias",
        "Implicit Association Test"
      ],
      "interventions": [
        {
          "name": "360 Video on a Virtual Reality Headset",
          "type": "BEHAVIORAL"
        },
        {
          "name": "360-Control Video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2024-11-19",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-16",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07283523"
    },
    {
      "nct_id": "NCT02831348",
      "title": "Association of Transcutaneous Pulse CO-oximetry With Inflammatory Lung Diseases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Allergic Rhinitis",
        "Cystic Fibrosis",
        "Pneumonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "6 Years to 24 Years"
      },
      "enrollment_count": 59,
      "start_date": "2015-10",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2022-09-22",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02831348"
    },
    {
      "nct_id": "NCT05079620",
      "title": "Early Antibiotics After Aspiration in ICU Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Aspiration",
        "Aspiration Pneumonia"
      ],
      "interventions": [
        {
          "name": "Ceftriaxone",
          "type": "DRUG"
        },
        {
          "name": "Amoxicillin clavulanic acid",
          "type": "DRUG"
        },
        {
          "name": "Cefepime",
          "type": "DRUG"
        },
        {
          "name": "Vancomycin",
          "type": "DRUG"
        },
        {
          "name": "Levofloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2021-11-30",
      "completion_date": "2024-04-12",
      "has_results": true,
      "last_update_posted_date": "2025-12-30",
      "last_synced_at": "2026-10-26T20:09:44.117Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05079620"
    }
  ]
}