{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Administration+of+Placebo",
    "query": {
      "intervention": "Administration of Placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13742,
    "total_pages": 1375,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Administration+of+Placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T06:16:49.009Z",
  "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": "NCT00609323",
      "title": "Lidocaine and Tetracaine Cream to Treat Postherpetic Neuralgia (PHN)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postherpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "lidocaine and tetracaine cream 7%/7%",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2008-01",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-03-29",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 6,
      "location_summary": "Lexington, Kentucky • High Point, North Carolina • Winston-Salem, North Carolina + 3 more",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "High Point",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Norman",
          "state": "Oklahoma"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609323"
    },
    {
      "nct_id": "NCT02470780",
      "title": "Treating Bacterial Overgrowth in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Small Intestinal Bacterial Overgrowth"
      ],
      "interventions": [
        {
          "name": "Rifaximin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2015-12",
      "completion_date": "2017-08",
      "has_results": true,
      "last_update_posted_date": "2024-03-01",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02470780"
    },
    {
      "nct_id": "NCT06680479",
      "title": "Safety and Immunogenicity of Stabilized CH505 TF chTrimer Vaccination in Adults Living With HIV-1 on Suppressive Antiretroviral Therapy",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV-1"
      ],
      "interventions": [
        {
          "name": "CH505 TF chTrimer",
          "type": "BIOLOGICAL"
        },
        {
          "name": "3M-052-AF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aluminum Hydroxide Suspension",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Sodium Chloride for Injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2025-04-01",
      "completion_date": "2028-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-03-03",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 24,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 19 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06680479"
    },
    {
      "nct_id": "NCT00006079",
      "title": "Eflornithine To Prevent Cervical Cancer in Patients With Cervical Intraepithelial Neoplasia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cervical Cancer",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "Eflornithine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": 150,
      "start_date": "1998-06-19",
      "completion_date": "2004-04-27",
      "has_results": false,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006079"
    },
    {
      "nct_id": "NCT00004861",
      "title": "Gemcitabine With or Without CI-994 in Treating Patients With Advanced Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "tacedinaline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-10",
      "completion_date": "2001-09",
      "has_results": false,
      "last_update_posted_date": "2012-08-10",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Tampa, Florida • Baltimore, Maryland + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004861"
    },
    {
      "nct_id": "NCT00350870",
      "title": "CBT With Disulfiram and Contingency Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cocaine Abuse"
      ],
      "interventions": [
        {
          "name": "disulfiram",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo plus Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Disulfiram plus Contingency Management",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "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": 181,
      "start_date": "2005-04",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2014-12-03",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00350870"
    },
    {
      "nct_id": "NCT02205554",
      "title": "Omnitram Pharmacokinetic Study In Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Omnitram",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Syntrix Biosystems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "21 Years to 55 Years · Male only"
      },
      "enrollment_count": 43,
      "start_date": "2014-08",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02205554"
    },
    {
      "nct_id": "NCT01951105",
      "title": "Effect of L-dopa In Subacute Back Pain Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sub-acute Back Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Carbidopa/Levodopa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2015-02-24",
      "completion_date": "2017-09-25",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01951105"
    },
    {
      "nct_id": "NCT04421456",
      "title": "Trial to Investigate the Safety and Efficacy of GWP42003-P Versus Placebo as Adjunctive Therapy in Participants With Schizophrenia Experiencing Inadequate Response to Ongoing Antipsychotic Treatment",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "GWP42003-P",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jazz Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 95,
      "start_date": "2020-08-18",
      "completion_date": "2022-03-16",
      "has_results": true,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 19,
      "location_summary": "Bentonville, Arkansas • Little Rock, Arkansas • Garden Grove, California + 16 more",
      "locations": [
        {
          "city": "Bentonville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Lemon Grove",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04421456"
    },
    {
      "nct_id": "NCT05960929",
      "title": "InfasurfAero™ Versus Sham Treatment in Preterm Newborns With RDS",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Distress Syndrome (Neonatal)",
        "Intubation Complication",
        "Death; Neonatal"
      ],
      "interventions": [
        {
          "name": "Infasurf Aero™",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "ONY",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "29 Weeks",
        "maximum_age": "36 Weeks",
        "sex": "ALL",
        "summary": "29 Weeks to 36 Weeks"
      },
      "enrollment_count": 220,
      "start_date": "2025-01-01",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-30",
      "last_synced_at": "2026-09-10T06:16:49.009Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • San Diego, California • Jacksonville, Florida + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05960929"
    }
  ]
}