{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=32",
    "query": {
      "intervention": "negative control",
      "page": 32
    },
    "page_size": 10
  },
  "pagination": {
    "page": 32,
    "page_size": 10,
    "total_count": 1039,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=33&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=negative+control&page=31&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T18:14:17.838Z",
  "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": "NCT00665184",
      "title": "Strength Training and Medication Effects in Parkinson Disease Effects on Hypokinesia in Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Resistance Exercise via Negative Eccentric Work",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard care exercise training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 41,
      "start_date": "2007-08",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2011-09-21",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00665184"
    },
    {
      "nct_id": "NCT05107284",
      "title": "Personalized Feedback After Alcohol Health Education for Members of Greek Life (GREEK Study)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "College Student Drinking"
      ],
      "interventions": [
        {
          "name": "e-checkup to go",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Delayed feedback booster",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abby Braitman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2022-04-06",
      "completion_date": "2023-05-31",
      "has_results": false,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Norfolk, Virginia",
      "locations": [
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05107284"
    },
    {
      "nct_id": "NCT02281955",
      "title": "De-intensification of Radiation and Chemotherapy for Low-Risk HPV-related Oropharyngeal SCC: Follow-up Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Squamous Cell",
        "Head and Neck Neoplasms",
        "Oropharyngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiotherapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin (or alternative)",
          "type": "DRUG"
        },
        {
          "name": "Assessment for surgical evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "UNC Lineberger Comprehensive 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": 115,
      "start_date": "2014-08",
      "completion_date": "2024-11-24",
      "has_results": true,
      "last_update_posted_date": "2025-01-07",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida • Chapel Hill, North Carolina • Hendersonville, North Carolina + 2 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Hendersonville",
          "state": "North Carolina"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02281955"
    },
    {
      "nct_id": "NCT03040687",
      "title": "Efficacy of B7A BSIgG Against E. Coli Strain B7A Challenge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Anti CS6 BSIgG product (Lot PD1601105CS)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Anti B7A BSIgG product (Lot PD1601132ET)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bovine Immunoglobin Negative Control (Lot PD161071NC)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "B7A- CS6-expressing ETEC challenge strain",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "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": 60,
      "start_date": "2017-01",
      "completion_date": "2017-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03040687"
    },
    {
      "nct_id": "NCT06613347",
      "title": "Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Staining"
      ],
      "interventions": [
        {
          "name": "whitening maintenance",
          "type": "OTHER"
        },
        {
          "name": "whitening maintenance MW",
          "type": "OTHER"
        },
        {
          "name": "negative control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Colgate Palmolive",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 93,
      "start_date": "2024-10-07",
      "completion_date": "2024-12-20",
      "has_results": false,
      "last_update_posted_date": "2025-05-21",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Costa Mesa, California",
      "locations": [
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06613347"
    },
    {
      "nct_id": "NCT03371017",
      "title": "A Study of the Efficacy and Safety of Atezolizumab Plus Chemotherapy for Patients With Early Relapsing Recurrent Triple-Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Triple Negative Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "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": 595,
      "start_date": "2018-01-11",
      "completion_date": "2024-10-23",
      "has_results": true,
      "last_update_posted_date": "2025-11-12",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 6,
      "location_summary": "Fort Myers, Florida • St. Petersburg, Florida • Paramus, New Jersey + 3 more",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Paramus",
          "state": "New Jersey"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03371017"
    },
    {
      "nct_id": "NCT02437318",
      "title": "Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant in Men and Postmenopausal Women With Advanced Breast Cancer Which Progressed on or After Aromatase Inhibitor Treatment.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Alpelisib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 572,
      "start_date": "2015-07-23",
      "completion_date": "2023-06-09",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 34,
      "location_summary": "Chandler, Arizona • Scottsdale, Arizona • Fayetteville, Arkansas + 31 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437318"
    },
    {
      "nct_id": "NCT02872220",
      "title": "To Test for Photo Allergy Reaction of Sunscreens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photoallergy"
      ],
      "interventions": [
        {
          "name": "SPF 50 Y65 110 (BAY987519)",
          "type": "DRUG"
        },
        {
          "name": "SPF 50 Y51 002 (BAY987519)",
          "type": "DRUG"
        },
        {
          "name": "SPF 15 V27 104 (BAY987519)",
          "type": "DRUG"
        },
        {
          "name": "Sodium chloride [NaCl]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 56,
      "start_date": "2015-03-23",
      "completion_date": "2015-05-08",
      "has_results": false,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Pinellas Park, Florida",
      "locations": [
        {
          "city": "Pinellas Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02872220"
    },
    {
      "nct_id": "NCT05817838",
      "title": "Using Family-Based Approaches to Improve Healthy Eating for Southeast Asian Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diet, Healthy"
      ],
      "interventions": [
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives and Multilevel Multicomponent",
          "type": "BEHAVIORAL"
        },
        {
          "name": "School Engagement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 114,
      "start_date": "2023-04-12",
      "completion_date": "2025-06-18",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05817838"
    },
    {
      "nct_id": "NCT05294913",
      "title": "Enhancing Emotional and Motivational Development to Support Well-being and Retention in Diverse University Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Contextualized Wish-Outcome-Obstacle-Plan (WOOP) intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo",
          "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": 39,
      "start_date": "2022-01-18",
      "completion_date": "2025-04-08",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-10-26T18:14:17.838Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05294913"
    }
  ]
}