{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+-+Healthy+Participants&page=2",
    "query": {
      "intervention": "Placebo - Healthy Participants",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 2388,
    "total_pages": 239,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+-+Healthy+Participants&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+-+Healthy+Participants&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T22:53:49.745Z",
  "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": "NCT00871156",
      "title": "Tafenoquine/Chloroquine DDI Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Malaria"
      ],
      "interventions": [
        {
          "name": "Chloroquine, Tafenoquine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 68,
      "start_date": "2009-03-24",
      "completion_date": "2009-08-26",
      "has_results": false,
      "last_update_posted_date": "2017-06-19",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00871156"
    },
    {
      "nct_id": "NCT05362695",
      "title": "A Study of Multiple-ascending Doses of IW-3300 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "IW-3300",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ironwood Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 18,
      "start_date": "2022-05-17",
      "completion_date": "2022-07-13",
      "has_results": true,
      "last_update_posted_date": "2024-02-02",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05362695"
    },
    {
      "nct_id": "NCT00860743",
      "title": "Respiratory and Autonomic Plasticity Following Intermittent Hypoxia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Sleep Apnea Syndromes"
      ],
      "interventions": [
        {
          "name": "Antioxidant cocktail",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 63,
      "start_date": "2009-09",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2017-11-01",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860743"
    },
    {
      "nct_id": "NCT05507515",
      "title": "A Phase 1 Study of ONO-2020 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "ONO-2020",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ono Pharmaceutical Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-07-29",
      "completion_date": "2023-12-24",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05507515"
    },
    {
      "nct_id": "NCT07473752",
      "title": "A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Single Ascending Dose Escalation Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of TNX-1500 in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Phase 1 First-in-human Study Involving Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "TNX-1500",
          "type": "DRUG"
        },
        {
          "name": "Placebo: USP 0.9% sterile saline for injection",
          "type": "DRUG"
        },
        {
          "name": "Keyhole Limpet Hemocyanin (KLH)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Tonix Pharmaceuticals, Inc.",
      "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": 26,
      "start_date": "2023-07-18",
      "completion_date": "2024-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07473752"
    },
    {
      "nct_id": "NCT02362243",
      "title": "Worksite Exercise Interventions for Low Back Injury Prevention in Firefighters",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Experimental Intervention",
          "type": "OTHER"
        },
        {
          "name": "Placebo Comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 264,
      "start_date": "2016-03",
      "completion_date": "2018-04-30",
      "has_results": false,
      "last_update_posted_date": "2018-07-02",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02362243"
    },
    {
      "nct_id": "NCT01164514",
      "title": "Detoxified J5 Core Glycolipid/ Group B Meningococcal Outer Membrane Protein Vaccine for Gram-negative Bacterial Sepsis Administered With and Without Synthetic CPG Oligodeoxynucleotide 7909 Adjuvant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bacterial Sepsis"
      ],
      "interventions": [
        {
          "name": "CPG 7909",
          "type": "BIOLOGICAL"
        },
        {
          "name": "J5-OMP Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2011-11",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2014-01-31",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01164514"
    },
    {
      "nct_id": "NCT02061878",
      "title": "A Study to Evaluate the Effect of Bexarotene on Beta-Amyloid and Apolipoprotein E Metabolism in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "Bexarotene",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ReXceptor, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 12,
      "start_date": "2014-08",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-08-13",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02061878"
    },
    {
      "nct_id": "NCT03444298",
      "title": "A Study of Gamma Tocopherol-enriched Supplement on Lower Airway Responses to Inhaled Wood Smoke in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Airway Inflammation",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Gamma Tocopherol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 16,
      "start_date": "2018-06-08",
      "completion_date": "2023-03-06",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03444298"
    },
    {
      "nct_id": "NCT02104648",
      "title": "A 2-Part Study to Evaluate the Safety of Supra-Therapeutic Doses of RO4602522 and to Investigate the Effect of RO4602522 on the QTc Interval",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Placebo RO4602522",
          "type": "OTHER"
        },
        {
          "name": "RO4602522",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "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": 203,
      "start_date": "2014-04",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-03T22:53:49.745Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02104648"
    }
  ]
}