{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=30",
    "query": {
      "intervention": "Single Dose Placebo",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 4628,
    "total_pages": 463,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T18:01:01.814Z",
  "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": "NCT05458024",
      "title": "Vitamin D to ENhance TraUma REcovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Musculoskeletal Pain"
      ],
      "interventions": [
        {
          "name": "Vitamin D 2",
          "type": "DRUG"
        },
        {
          "name": "Vitamin D2 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": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 71,
      "start_date": "2023-01-24",
      "completion_date": "2024-05-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 4,
      "location_summary": "Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05458024"
    },
    {
      "nct_id": "NCT02409862",
      "title": "Faces: Choices Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Socioemotional Aging"
      ],
      "interventions": [
        {
          "name": "Oxytocin Spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "MALE",
        "summary": "18 Years to 85 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2019-01-01",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2018-11-26",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02409862"
    },
    {
      "nct_id": "NCT00841386",
      "title": "Treatment of Keratoconus Using Collagen Cross-Linking",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus"
      ],
      "interventions": [
        {
          "name": "Riboflavin-5-phosphate",
          "type": "DRUG"
        },
        {
          "name": "Sham cross-linking",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "16 Years to 35 Years"
      },
      "enrollment_count": 150,
      "start_date": "2008-09",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2009-02-11",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 2,
      "location_summary": "Amherst, New York • Buffalo, New York",
      "locations": [
        {
          "city": "Amherst",
          "state": "New York"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00841386"
    },
    {
      "nct_id": "NCT04307940",
      "title": "Study to Collect Information on How Well the Study Drug Naproxen Sodium Tablets Works Compared to Hydrocodone/Acetaminophen Tablets in Order to Relieve Pain in Participants Experiencing Moderate to Severe Pain After Having Their Wisdom Teeth Removed",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Naproxen Sodium (Aleve, BAY117031)",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone/Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 221,
      "start_date": "2020-03-12",
      "completion_date": "2020-10-05",
      "has_results": true,
      "last_update_posted_date": "2022-07-14",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04307940"
    },
    {
      "nct_id": "NCT03122691",
      "title": "Differences in Cannabis Impairment and Its Measurement Due to Route of Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Behavioral Pharmacology of Cannabis"
      ],
      "interventions": [
        {
          "name": "cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 23,
      "start_date": "2018-05-01",
      "completion_date": "2020-02-01",
      "has_results": true,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03122691"
    },
    {
      "nct_id": "NCT01632579",
      "title": "A Single Dose Study of LY3023703 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "LY3023703",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 30,
      "start_date": "2012-06",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2018-08-06",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Evansville, Indiana",
      "locations": [
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01632579"
    },
    {
      "nct_id": "NCT03852446",
      "title": "Single Ascending Dose PK, Oral Bioavailability and Food Effect Study in Healthy Male Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Indoximod HCL (F2) tablets",
          "type": "DRUG"
        },
        {
          "name": "Indoximod base formulation",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "NewLink Genetics Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 56,
      "start_date": "2018-03-05",
      "completion_date": "2018-08-14",
      "has_results": false,
      "last_update_posted_date": "2020-05-28",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Secaucus, New Jersey",
      "locations": [
        {
          "city": "Secaucus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03852446"
    },
    {
      "nct_id": "NCT04010786",
      "title": "A Research Study Investigating NNC0247-0829 for Weight Management in People With Overweight or Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "NNC0247-0829",
          "type": "DRUG"
        },
        {
          "name": "Placebo (NNC0247-0829)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 103,
      "start_date": "2019-07-11",
      "completion_date": "2022-06-21",
      "has_results": false,
      "last_update_posted_date": "2024-01-23",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04010786"
    },
    {
      "nct_id": "NCT00424697",
      "title": "A Study to Investigate the Effects of GW876008 on Brain Activation During Emotional Processing in Healthy Subjects.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "lorazepam",
          "type": "DRUG"
        },
        {
          "name": "GW876008",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 26,
      "start_date": "2007-03",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2010-10-15",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00424697"
    },
    {
      "nct_id": "NCT07059182",
      "title": "Safety Study of a Single Dose of Pneumococcal Whole-Cell Vaccine in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE",
        "Prevention of Pneumococcal-induced Acute Otitis Media"
      ],
      "interventions": [
        {
          "name": "Inactivated whole-cell Streptococcus pneumoniae vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Serum Life Science Europe GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-06-11",
      "completion_date": "2025-08-29",
      "has_results": false,
      "last_update_posted_date": "2026-11-03",
      "last_synced_at": "2026-11-15T18:01:01.814Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07059182"
    }
  ]
}