{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+equivalent&page=29",
    "query": {
      "intervention": "Placebo equivalent",
      "page": 29
    },
    "page_size": 10
  },
  "pagination": {
    "page": 29,
    "page_size": 10,
    "total_count": 843,
    "total_pages": 85,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+equivalent&page=30&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+equivalent&page=28&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T10:15:58.566Z",
  "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": "NCT04436276",
      "title": "A Study of Ad26.COV2.S in Adults (COVID-19)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Covid-19 Prevention"
      ],
      "interventions": [
        {
          "name": "Ad26.COV2.S",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1085,
      "start_date": "2020-07-15",
      "completion_date": "2023-02-21",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Melbourne, Florida • Peoria, Illinois + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04436276"
    },
    {
      "nct_id": "NCT01323608",
      "title": "The Effect of Vitamin D Supplementation on Calcium Excretion in Thalassemia: a Dose Response Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thalassemia Major"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "6 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": "2011-06",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2011-04-19",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01323608"
    },
    {
      "nct_id": "NCT02827747",
      "title": "The Role of Antioxidant Supplementation in Keratoconus Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Keratoconus"
      ],
      "interventions": [
        {
          "name": "Antioxidants (Vitamins A,C,E) plus GSH",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Centrum",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary Sources",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-08-01",
      "completion_date": "2023-03",
      "has_results": false,
      "last_update_posted_date": "2021-08-16",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Palm Beach Gardens, Florida",
      "locations": [
        {
          "city": "Palm Beach Gardens",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02827747"
    },
    {
      "nct_id": "NCT02556918",
      "title": "Sitagliptin for Hyperglycemia in Patients With T2DM Undergoing Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hyperglycemia"
      ],
      "interventions": [
        {
          "name": "Sitagliptin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Regular Human Insulin",
          "type": "DRUG"
        },
        {
          "name": "Insulin glargine",
          "type": "DRUG"
        },
        {
          "name": "Supplemental insulin (Insulin lispro)",
          "type": "DRUG"
        },
        {
          "name": "Supplemental insulin (Insulin aspart)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 202,
      "start_date": "2016-01",
      "completion_date": "2018-11-06",
      "has_results": true,
      "last_update_posted_date": "2019-12-23",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02556918"
    },
    {
      "nct_id": "NCT05780905",
      "title": "Effects of Semaglutide on Intracranial Blood Flow and Brain-Barrier Permeability in Type-2 Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Stroke (CVA) or Transient Ischemic Attack"
      ],
      "interventions": [
        {
          "name": "Semaglutide Auto-Injector",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-01-11",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-05",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05780905"
    },
    {
      "nct_id": "NCT04730531",
      "title": "Postoperative Pain Control Using Local Wound Infiltration in Adolescent Idiopathic Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Spinal Fusion"
      ],
      "interventions": [
        {
          "name": "Local infiltration with 0.25% bupivacaine and epinephrine",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo of equal volume injectable saline",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 100,
      "start_date": "2022-06-02",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-26",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04730531"
    },
    {
      "nct_id": "NCT02824445",
      "title": "To Evaluate the Efficacy of EEG-guided Magnetic Resonant Therapy in War Veterans With Posttraumatic Stress Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Traumatic Stress Disorders"
      ],
      "interventions": [
        {
          "name": "individualized Transcranial Magnetic Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "72nd Medical Group, Tinker Air Force Base",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 13,
      "start_date": "2015-05",
      "completion_date": "2018-05-28",
      "has_results": false,
      "last_update_posted_date": "2020-01-02",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02824445"
    },
    {
      "nct_id": "NCT05080192",
      "title": "Cardiovascular, Pulmonary, and Integrative Functional Phenotypes in COVID-19 Survivors - Effect of Fenofibrate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Fenofibrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2021-08-11",
      "completion_date": "2022-05-10",
      "has_results": true,
      "last_update_posted_date": "2024-06-21",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05080192"
    },
    {
      "nct_id": "NCT03637400",
      "title": "Short and Long Term Outcomes of Doxycycline Versus Trimethoprim-Sulfamethoxazole for Skin and Soft Tissue Infections Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Methicillin-resistant Staphylococcus Aureus",
        "Skin Infection"
      ],
      "interventions": [
        {
          "name": "TMP-SMX",
          "type": "DRUG"
        },
        {
          "name": "DOXY",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "9 Years to 85 Years"
      },
      "enrollment_count": 269,
      "start_date": "2018-11-26",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 3,
      "location_summary": "Sylmar, California • Torrance, California • St Louis, Missouri",
      "locations": [
        {
          "city": "Sylmar",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03637400"
    },
    {
      "nct_id": "NCT05402332",
      "title": "Evaluating the Efficacy and Safety of D-galactose in PGM1-CDG (AVTX-801)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "PGM1-CDG - Phosphoglucomutase 1-Related Congenital Disorder of Glycosylation"
      ],
      "interventions": [
        {
          "name": "AVTX-801",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eva Morava-Kozicz",
      "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": 8,
      "start_date": "2026-10-01",
      "completion_date": "2028-03-02",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-11-15T10:15:58.566Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05402332"
    }
  ]
}