{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=4",
    "query": {
      "intervention": "Negative control",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Negative+control&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T21:27:47.528Z",
  "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": "NCT01301105",
      "title": "The Effects of Mindfulness Training on Pain Regulation, Negative Affect, Attention, and Social Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus on Pain Regulation Mechanisms",
        "Social Stress Mechanisms",
        "Basic Affective Mechanisms",
        "Attention Mechanisms",
        "Brain Mechanisms",
        "Immune Mechanisms",
        "Endocrine Mechanisms"
      ],
      "interventions": [
        {
          "name": "Mindfulness Based Stress Reduction (MBSR)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Enhancement Program (HEP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 80,
      "start_date": "2005-10",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01301105"
    },
    {
      "nct_id": "NCT03912194",
      "title": "Early Withdrawal Exposure and Negative Affect Withdrawal (NAW) Regulation Training for Smoking Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "cognitive-behavioral withdrawal regulation strategies",
          "type": "BEHAVIORAL"
        },
        {
          "name": "relaxation strategies",
          "type": "BEHAVIORAL"
        },
        {
          "name": "early withdrawal exposure",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2019-08-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03912194"
    },
    {
      "nct_id": "NCT02736045",
      "title": "Ameliorating Work Burnout and Medical Residents",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Burnout, Professional",
        "Depression",
        "Stress",
        "Anxiety",
        "Distress"
      ],
      "interventions": [
        {
          "name": "emWave",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Larkin Community Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "25 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-07-01",
      "completion_date": "2016-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "South Miami, Florida",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02736045"
    },
    {
      "nct_id": "NCT04046731",
      "title": "Neuromuscular Blocking Agents Utilized During Perioperative Hypersensitivity Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Allergy"
      ],
      "interventions": [
        {
          "name": "Skin Testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 187,
      "start_date": "2019-09-20",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-02-02",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04046731"
    },
    {
      "nct_id": "NCT07422623",
      "title": "Hallux Valgus Correction Surgery Recovery Using Semiconductor Embedded Therapeutic Sleeves",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hallux Valgus Deformity"
      ],
      "interventions": [
        {
          "name": "Semiconductor embedded ankle sleeve and sock",
          "type": "DEVICE"
        },
        {
          "name": "Placebo ankle sleeve and sock",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "INCREDIWEAR HOLDINGS, INC.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 115,
      "start_date": "2026-03-01",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Ankeny, Iowa",
      "locations": [
        {
          "city": "Ankeny",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07422623"
    },
    {
      "nct_id": "NCT04225624",
      "title": "Improving Attentional and Cognitive Control in the Psychological Treatment of Intrusive Thoughts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obsessive-Compulsive Disorder",
        "Generalized Anxiety Disorder",
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Emotion Regulation Therapy - Attention Regulation (AR-ERT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Supportive Psychotherapy (SPT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 65,
      "start_date": "2021-04-30",
      "completion_date": "2025-04-09",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04225624"
    },
    {
      "nct_id": "NCT00755040",
      "title": "Cyclosporine Eye Drops in Preventing Graft-Versus-Host Disease of the Eye in Patients Who Have Undergone Donor Stem Cell Transplant for Hematologic Cancer or Bone Marrow Failure Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Graft Versus Host Disease",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms"
      ],
      "interventions": [
        {
          "name": "cyclosporine ophthalmic emulsion",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 164,
      "start_date": "2008-10",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 5,
      "location_summary": "Palo Alto, California • Chicago, Illinois • Nashville, Tennessee + 2 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00755040"
    },
    {
      "nct_id": "NCT05064696",
      "title": "PICO- Single-use Negative Pressure Wound Therapy System",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Ankle Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Non-stick gauze dressing",
          "type": "OTHER"
        },
        {
          "name": "PICO dressing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Walter C Hembree",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2021-08-25",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05064696"
    },
    {
      "nct_id": "NCT00815217",
      "title": "The Role of Lipoaspirate Injection in the Treatment of Diabetic Lower Extremity Wounds and Venous Stasis Ulcers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Wounds",
        "Venous Stasis Wounds"
      ],
      "interventions": [
        {
          "name": "injection of lipoaspirate",
          "type": "PROCEDURE"
        },
        {
          "name": "control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Washington D.C. Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2009-02",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00815217"
    },
    {
      "nct_id": "NCT01128335",
      "title": "Efficacy, Safety, Tolerability, Pharmacokinetics of Sotrastaurin-tacrolimus vs. Mycophenolic Acid-tacrolimus in de Novo Liver Transplant Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver Transplantation"
      ],
      "interventions": [
        {
          "name": "MMF(1000mg bid) + tacrolimus + standard of care medications",
          "type": "DRUG"
        },
        {
          "name": "sotrastaurin (200mg bid) + tacrolimus + standard of care medications",
          "type": "DRUG"
        },
        {
          "name": "sotrastaurin (300 mg bid) + tacrolimus + standard of care medications",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2010-04",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2020-12-22",
      "last_synced_at": "2026-10-23T21:27:47.528Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Francisco, California • Detroit, Michigan + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128335"
    }
  ]
}