{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=24",
    "query": {
      "intervention": "Negative control",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T10:49:43.775Z",
  "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": "NCT04152642",
      "title": "A Pilot Study to Assess Dry Mouth Relief After Using an Experimental Mouth Rinse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dry Mouth"
      ],
      "interventions": [
        {
          "name": "Marketed Dry Mouth Rinse",
          "type": "DEVICE"
        },
        {
          "name": "Water control",
          "type": "OTHER"
        },
        {
          "name": "Experimental Dry Mouth Rinse",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 22,
      "start_date": "2019-11-04",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Mason, Ohio",
      "locations": [
        {
          "city": "Mason",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04152642"
    },
    {
      "nct_id": "NCT01276470",
      "title": "Environmental Risk Factors for the Anti-synthetase Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myositis",
        "Dermatomyositis",
        "Polymyositis",
        "Juvenile Dermatomyositis",
        "Juvenile Polymyositis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "2 Years to 100 Years"
      },
      "enrollment_count": 580,
      "start_date": "2011-02-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-10-16",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Baltimore, Maryland • Bethesda, Maryland + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01276470"
    },
    {
      "nct_id": "NCT07206550",
      "title": "The Role of Framing and Choice Architecture in Patients' Reactions and EHR Error Discovery and Reporting",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Electronic Health Records"
      ],
      "interventions": [
        {
          "name": "Framing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas at Dallas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 3000,
      "start_date": "2025-11-26",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Richardson, Texas",
      "locations": [
        {
          "city": "Richardson",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07206550"
    },
    {
      "nct_id": "NCT04670627",
      "title": "Biomarkers in Nasal Samples of Seasonal Allergic Rhinitics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Seasonal Allergic Rhinitis",
        "Rhinovirus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 92,
      "start_date": "2021-03-22",
      "completion_date": "2023-04-27",
      "has_results": false,
      "last_update_posted_date": "2023-05-17",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04670627"
    },
    {
      "nct_id": "NCT02509260",
      "title": "Prevena™ Incisional Negative Pressure Wound Therapy in Re-operative Colorectal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgical Site Infection"
      ],
      "interventions": [
        {
          "name": "Prevena wound management system",
          "type": "DEVICE"
        },
        {
          "name": "Standard wound dressings",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 298,
      "start_date": "2015-07",
      "completion_date": "2021-02-19",
      "has_results": true,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02509260"
    },
    {
      "nct_id": "NCT02195570",
      "title": "Contingency Management for Smoking Cessation in Pregnant Minority Women",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Quit Smoking Now (QSN)",
          "type": "OTHER"
        },
        {
          "name": "Prize-based Contingency Management (CM)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Miami",
      "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": 0,
      "start_date": "2015-10",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02195570"
    },
    {
      "nct_id": "NCT03685279",
      "title": "Efficacy of the Nurtured Heart Approach to Reduce ADHD Behaviors in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Nurtured Heart Approach",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2017-08-14",
      "completion_date": "2018-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03685279"
    },
    {
      "nct_id": "NCT05555862",
      "title": "Artesunate Suppositories for the Treatment of HIV-negative Patients With Intra-anal HSIL",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal High Grade Squamous Intraepithelial Lesion",
        "Anal Precancerous Condition",
        "AIN 2/3",
        "HPV Infection",
        "Anal Dysplasia",
        "HPV Disease"
      ],
      "interventions": [
        {
          "name": "Artesunate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Frantz Viral Therapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2023-02-10",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • New York, New York",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05555862"
    },
    {
      "nct_id": "NCT07656545",
      "title": "Early Intervention to Prevent Development of PTSD in Burn Survivors and Their Caregivers",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder",
        "Burns",
        "Traumatic Injury",
        "Acute Stress Disorder",
        "Trauma and Stressor Related Disorders",
        "Trauma and Stress Related Disorders",
        "Stress Disorder",
        "Stress Disorders, Post-Traumatic",
        "Stress Disorders, Traumatic",
        "Stress Disorders, Traumatic, Acute",
        "Relationship, Social"
      ],
      "interventions": [
        {
          "name": "Promotion of Emotional Disclosure for Burns (PoED-B)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "minimally Enhanced Usual Care control (mEUC)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2026-08-01",
      "completion_date": "2029-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-06-18",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07656545"
    },
    {
      "nct_id": "NCT03930875",
      "title": "Aspirin Resistance in OSA Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Aspirin Resistance testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Danbury Hospital",
      "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": 63,
      "start_date": "2017-12-12",
      "completion_date": "2018-09-07",
      "has_results": false,
      "last_update_posted_date": "2019-04-29",
      "last_synced_at": "2026-10-27T10:49:43.775Z",
      "location_count": 1,
      "location_summary": "Danbury, Connecticut",
      "locations": [
        {
          "city": "Danbury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930875"
    }
  ]
}