{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28US%29&page=2",
    "query": {
      "intervention": "Placebo (US)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28US%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T08:47:56.993Z",
  "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": "NCT03999996",
      "title": "Long-Term Safety and Antibody Persistence of TDV and the Impact of a Booster Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dengue Fever"
      ],
      "interventions": [
        {
          "name": "Takeda's Dengue Tetravalent Vaccine (Live, Attenuated) (TDV)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "63 Years",
        "sex": "ALL",
        "summary": "13 Years to 63 Years"
      },
      "enrollment_count": 365,
      "start_date": "2019-11-12",
      "completion_date": "2024-05-25",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 8,
      "location_summary": "Huntsville, Alabama • Peoria, Illinois • Newton, Kansas + 5 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Newton",
          "state": "Kansas"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Richfield",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03999996"
    },
    {
      "nct_id": "NCT05015673",
      "title": "This is a Study to Determine the Effect of Multiple Doses of an Investigational Drug, Taken by Mouth, in People With Narcolepsy-cataplexy. Accepting Both Males and Females Ages of 18 Years to 55 Years. This Study Will be Conducted in the US and Will Require Approximately 13 Weeks Participation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Narcolepsy"
      ],
      "interventions": [
        {
          "name": "SEP363856",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Development & Commercialization, Inc.",
      "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": 18,
      "start_date": "2014-06-05",
      "completion_date": "2015-05-26",
      "has_results": false,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 6,
      "location_summary": "Orange, California • St. Petersburg, Florida • Atlanta, Georgia + 3 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbia",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05015673"
    },
    {
      "nct_id": "NCT05033041",
      "title": "Gastric Volumes by US in Term Parturients Undergoing CS With and Without Metoclopramide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pregnancy",
        "Cesarean Section",
        "Aspiration"
      ],
      "interventions": [
        {
          "name": "Study drug metoclopramide",
          "type": "DRUG"
        },
        {
          "name": "Study drug placebo administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "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": 72,
      "start_date": "2021-10-20",
      "completion_date": "2024-02-08",
      "has_results": true,
      "last_update_posted_date": "2025-09-11",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05033041"
    },
    {
      "nct_id": "NCT06358651",
      "title": "Fasedienol Nasal Spray for the Acute Treatment of Anxiety in Adults With Social Anxiety Disorder (PALISADE-3)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Social Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "Fasedienol Nasal Spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo Nasal Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VistaGen Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 238,
      "start_date": "2024-03-28",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 24,
      "location_summary": "Phoenix, Arizona • Fayetteville, Arkansas • Little Rock, Arkansas + 21 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Lafayette",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06358651"
    },
    {
      "nct_id": "NCT00433173",
      "title": "Insulin Sensitivity in Men With the Metabolic Syndrome",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "intravenous glucose tolerance test",
          "type": "PROCEDURE"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "goserelin acetate implant",
          "type": "DRUG"
        },
        {
          "name": "aerobic capacity (VO2 Max)",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "muscle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "measurement of resting metabolic rate (energy expenditure)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual energy x-ray absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Fasting oral glucose tolerance test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2006-05",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433173"
    },
    {
      "nct_id": "NCT06274749",
      "title": "Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults 55 >= Years Old: A Randomized Triple-Masked Controlled Clinical Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Urolithin A",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Institute on Aging (NIA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "55 Years to 100 Years"
      },
      "enrollment_count": 180,
      "start_date": "2026-09-30",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06274749"
    },
    {
      "nct_id": "NCT01537081",
      "title": "Safety and Efficacy of Mucinex and IR Guaifenesin the Treatment of Symptoms of Acute Upper Respiratory Tract Infections",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Acute Upper Respiratory Tract Infection"
      ],
      "interventions": [
        {
          "name": "Mucinex",
          "type": "DRUG"
        },
        {
          "name": "Immediate-release Guaifenesin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Reckitt Benckiser LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 2810,
      "start_date": "2011-09",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2013-11-14",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 43,
      "location_summary": "Hoover, Alabama • Bell Gardens, California • Harbor City, California + 38 more",
      "locations": [
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "Harbor City",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01537081"
    },
    {
      "nct_id": "NCT02908932",
      "title": "Ranger Resilience and Improved Performance on Phospholipid Bound Omega-3's",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition",
        "Fatty Acids, Omega-3",
        "Cognition",
        "Resilience, Psychological",
        "Psychology, Military"
      ],
      "interventions": [
        {
          "name": "Phospholipid-bound omega-3 supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 555,
      "start_date": "2016-08",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-05",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 3,
      "location_summary": "Fort Benning, Georgia • Bethesda, Maryland • Charleston, South Carolina",
      "locations": [
        {
          "city": "Fort Benning",
          "state": "Georgia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02908932"
    },
    {
      "nct_id": "NCT07217912",
      "title": "Daridorexant to Prevent Post-cardiotomy Delirium",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Cognitive Decline",
        "Postoperative Delirium"
      ],
      "interventions": [
        {
          "name": "Daridorexant 50 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-10-14",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07217912"
    },
    {
      "nct_id": "NCT07287189",
      "title": "Phase 2 Study of SAT-3247 in Pediatric Ambulatory Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Duchenne Muscular Dystrophy",
        "Duchenne",
        "DMD",
        "Neuromuscular Diseases",
        "Muscular Dystrophies"
      ],
      "interventions": [
        {
          "name": "SAT-3247",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Satellos Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "9 Years",
        "sex": "MALE",
        "summary": "7 Years to 9 Years · Male only"
      },
      "enrollment_count": 51,
      "start_date": "2025-12-08",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-27T08:47:56.993Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07287189"
    }
  ]
}