{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%280.5ml%29&page=2",
    "query": {
      "intervention": "Placebo (0.5ml)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%280.5ml%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%280.5ml%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T00:26:37.026Z",
  "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": "NCT03102034",
      "title": "Evaluating the Infectivity, Safety, and Immunogenicity of a Single Dose of a Recombinant Live-Attenuated Respiratory Syncytial Virus Vaccine (D46/NS2/N/ΔM2-2-HindIII) in RSV-Seronegative Infants 6 to 24 Months of Age",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "D46/NS2/N/ΔM2-2-HindIII",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "6 Months to 24 Months"
      },
      "enrollment_count": 32,
      "start_date": "2017-04-06",
      "completion_date": "2018-05-25",
      "has_results": true,
      "last_update_posted_date": "2022-02-08",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Atlanta, Georgia + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03102034"
    },
    {
      "nct_id": "NCT00754455",
      "title": "Evaluate the Safety and Immunogenicity of a Seasonal Influenza VLP Vaccine (Recombinant) in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Influenza VLP Vaccine (recombinant)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "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": 317,
      "start_date": "2008-09",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2013-07-18",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 4,
      "location_summary": "Pembroke Pines, Florida • Kansas City, Missouri • Warwick, Rhode Island + 1 more",
      "locations": [
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754455"
    },
    {
      "nct_id": "NCT01926028",
      "title": "Safety, Tolerability, Immunogenicity and Efficacy of NDV-3A Vaccine in Preventing Recurrent Vulvovaginal Candidiasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Vulvovaginal Candidiasis"
      ],
      "interventions": [
        {
          "name": "NDV-3A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "NDV-3",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "NovaDigm Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2013-07",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2018-07-18",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • San Diego, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01926028"
    },
    {
      "nct_id": "NCT01264601",
      "title": "Safe Administration of Flu Vaccine to Egg Allergic Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Egg Allergy"
      ],
      "interventions": [
        {
          "name": "Trivalent Influenza Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "6 Months to 24 Years"
      },
      "enrollment_count": 31,
      "start_date": "2010-10",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Ann Arbor, Michigan • Rochester, Minnesota + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01264601"
    },
    {
      "nct_id": "NCT06630884",
      "title": "Inflammatory Challenge and Fear",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder (PTSD)"
      ],
      "interventions": [
        {
          "name": "Typhoid VI Polysaccharide Vaccine Injectable Solution",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline Placebo (0.5mL injection)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 288,
      "start_date": "2025-03-28",
      "completion_date": "2028-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06630884"
    },
    {
      "nct_id": "NCT03048929",
      "title": "Inflammation and Threat Sensitivity in PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Typhoid Vi Polysaccharide Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2019-04-01",
      "completion_date": "2021-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 2,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03048929"
    },
    {
      "nct_id": "NCT01475786",
      "title": "Safety and Efficacy Study for the Treatment of Painful Diabetic Neuropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Painful Diabetic Neuropathies"
      ],
      "interventions": [
        {
          "name": "Low Dose: 16 mg Engensis (VM202)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "High Dose: 32 mg Engensis (VM202)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Control- Placebo (normal saline)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Helixmith Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 104,
      "start_date": "2012-08",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2025-10-06",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 13,
      "location_summary": "Walnut Creek, California • Orlando, Florida • Palm Beach Gardens, Florida + 9 more",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Palm Beach Gardens",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475786"
    },
    {
      "nct_id": "NCT02593071",
      "title": "Safety and Immunogenicity of the RSV-F Vaccine in Older Adults Previously Treated With the Same Vaccine or Placebo in the Prior Year.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Syncytial Virus (RSV)"
      ],
      "interventions": [
        {
          "name": "RSV-F Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Phosphate Buffer Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novavax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 1330,
      "start_date": "2015-10",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2022-05-27",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 10,
      "location_summary": "Redding, California • Stockbridge, Georgia • Lenexa, Kansas + 7 more",
      "locations": [
        {
          "city": "Redding",
          "state": "California"
        },
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02593071"
    },
    {
      "nct_id": "NCT02079701",
      "title": "Effectiveness of the Pneumococcal Polysaccharide Vaccine in Military Recruits",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pneumonia",
        "Acute Respiratory Disease"
      ],
      "interventions": [
        {
          "name": "23-valent pneumococcal vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Naval Health Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 152723,
      "start_date": "2000-10",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Great Lakes, Illinois • Fort Leonard Wood, Missouri + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Great Lakes",
          "state": "Illinois"
        },
        {
          "city": "Fort Leonard Wood",
          "state": "Missouri"
        },
        {
          "city": "Fort Jackson",
          "state": "South Carolina"
        },
        {
          "city": "Parris Island",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02079701"
    },
    {
      "nct_id": "NCT00941889",
      "title": "The Effect of HPV Vaccination on Recurrence Rates in HIV Patients With Condylomata",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Positive",
        "Anal Condylomata",
        "Anal Warts",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Quadrivalent Human Papillomavirus (Types 6,11,16,18) Recombinant Vaccine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2007-07",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2016-07-25",
      "last_synced_at": "2026-10-02T00:26:37.026Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00941889"
    }
  ]
}