{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=35",
    "query": {
      "intervention": "negative control",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T23:54:36.351Z",
  "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": "NCT02328794",
      "title": "Randomized Clinical Trial to Reduce Harm From Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "E-cigarette free access",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-cigarette/NRT/Zyban/Chantix Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Outcome Incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Loss framing incentive arm",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 6006,
      "start_date": "2015-01-01",
      "completion_date": "2017-04-20",
      "has_results": false,
      "last_update_posted_date": "2017-05-02",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02328794"
    },
    {
      "nct_id": "NCT03576066",
      "title": "A Study Evaluating ABI-H0731 as Adjunctive Therapy in Participants With Chronic Hepatitis B Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Hepatitis B"
      ],
      "interventions": [
        {
          "name": "ABI-H0731",
          "type": "DRUG"
        },
        {
          "name": "SOC NUC",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Assembly Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 73,
      "start_date": "2018-06-11",
      "completion_date": "2019-07-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 17,
      "location_summary": "Beverly Hills, California • Coronado, California • Los Angeles, California + 10 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Coronado",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03576066"
    },
    {
      "nct_id": "NCT00047931",
      "title": "HIV-1 Vaccine Test in Uninfected Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Seronegativity",
        "AIDS Vaccines"
      ],
      "interventions": [
        {
          "name": "VRC-HIVDNA009-00-VP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 50,
      "start_date": "2002-10-17",
      "completion_date": "2009-05-05",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00047931"
    },
    {
      "nct_id": "NCT05526586",
      "title": "A Twelve Week Study of Prototypes Mouth Rinses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Colgate Cavity Protection Toothpaste",
          "type": "OTHER"
        },
        {
          "name": "Zero Alcohol Gum Prototype",
          "type": "OTHER"
        },
        {
          "name": "Alcohol Gum Prototype",
          "type": "OTHER"
        },
        {
          "name": "Listerine Cool Mint Antiseptic Mouthwash",
          "type": "OTHER"
        },
        {
          "name": "5% Hydroalcohol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Consumer Inc. (J&JCI)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2022-08-31",
      "completion_date": "2022-12-08",
      "has_results": false,
      "last_update_posted_date": "2023-09-05",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05526586"
    },
    {
      "nct_id": "NCT02465307",
      "title": "Intelligent Intensive Care Unit",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Delirium",
        "Confusion"
      ],
      "interventions": [
        {
          "name": "Confusion Assessment Method",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Accelerometer",
          "type": "DEVICE"
        },
        {
          "name": "Commercially available camera",
          "type": "DEVICE"
        },
        {
          "name": "Internet Pod (iPod)",
          "type": "DEVICE"
        },
        {
          "name": "Cortisol Swab",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2016-02",
      "completion_date": "2028-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02465307"
    },
    {
      "nct_id": "NCT05803499",
      "title": "Rest to Overcome Loss and Reduce Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disturbance",
        "Inflammation",
        "Quality of Life",
        "Bereavement",
        "Spouses"
      ],
      "interventions": [
        {
          "name": "Targeted Cognitive Behavior Therapy for Insomnia",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Information-Only Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-03-01",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05803499"
    },
    {
      "nct_id": "NCT01869634",
      "title": "Mechanisms of Immune Reconstitution & Reduced Immune Activation Following Darunavir-based ART",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Human Immunodeficiency Virus Infection"
      ],
      "interventions": [
        {
          "name": "darunavir with ritonavir and fixed-dose viread+emtricitabine daily",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2013-06",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01869634"
    },
    {
      "nct_id": "NCT05542381",
      "title": "The Role of Loteprednol in Reducing Post-Intravitreal Injection Related Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-Related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Loteprednol Etabonate Ophthalmic Gel [Lotemax]",
          "type": "DRUG"
        },
        {
          "name": "Refresh Lubricant Eye Drops [Artificial Tears]",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2022-12-22",
      "completion_date": "2025-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05542381"
    },
    {
      "nct_id": "NCT00640250",
      "title": "Clinical Evaluation of T.R.U.E. TEST® Panel 3.2 Allergens: Dose Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Contact Dermatitis"
      ],
      "interventions": [
        {
          "name": "T.R.U.E. TEST® Skin Patch Test: Dose Response Allergens",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Allerderm",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2008-04",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2018-04-09",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00640250"
    },
    {
      "nct_id": "NCT05683223",
      "title": "Neural Markers of Treatment Mechanisms and Prediction of Treatment Outcomes in Social Anxiety",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Group CBT for Social Anxiety Disorder",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Individual CBT for Social Anxiety Disorder",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Boston University Charles River Campus",
      "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": 240,
      "start_date": "2023-05-26",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-23",
      "last_synced_at": "2026-10-26T23:54:36.351Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05683223"
    }
  ]
}