{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28single-dose%29&page=2",
    "query": {
      "intervention": "Placebo (single-dose)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 4602,
    "total_pages": 461,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28single-dose%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28single-dose%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T01:19:57.851Z",
  "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": "NCT02718495",
      "title": "Study Assessing PTI-428 Safety, Tolerability, and Pharmacokinetics in Subjects With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "PTI-428",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Proteostasis Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2016-07-19",
      "completion_date": "2017-11-28",
      "has_results": false,
      "last_update_posted_date": "2019-03-21",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 20,
      "location_summary": "Stanford, California • Altamonte Springs, Florida • Gainesville, Florida + 16 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Altamonte Springs",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Boise",
          "state": "Idaho"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02718495"
    },
    {
      "nct_id": "NCT04758234",
      "title": "A Study of LY3549492 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "LY3549492",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 54,
      "start_date": "2021-02-22",
      "completion_date": "2022-01-10",
      "has_results": false,
      "last_update_posted_date": "2022-02-09",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04758234"
    },
    {
      "nct_id": "NCT07489651",
      "title": "RE104 Safety and Efficacy Study in Generalized Anxiety Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Generalized Anxiety Disorder"
      ],
      "interventions": [
        {
          "name": "RE104 for Injection",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Reunion Neuroscience Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 160,
      "start_date": "2026-04-20",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 28,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Little Rock, Arkansas + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07489651"
    },
    {
      "nct_id": "NCT03819231",
      "title": "Mindfulness Training Plus Oxytocin Effects on Smoking Behavior",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Oxytocin",
          "type": "DRUG"
        },
        {
          "name": "Mindfulness",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Saline Solution",
          "type": "DRUG"
        },
        {
          "name": "Sham mindfulness",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-10-10",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03819231"
    },
    {
      "nct_id": "NCT03012828",
      "title": "Effect of a Single Oral Dose of Moxidectin on the Cardiac QT Interval of Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "QT Effects in Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Moxidectin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Medicines Development for Global Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "MALE",
        "summary": "18 Years to 50 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2017-01",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2019-03-14",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 1,
      "location_summary": "West Bend, Wisconsin",
      "locations": [
        {
          "city": "West Bend",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03012828"
    },
    {
      "nct_id": "NCT02807428",
      "title": "Study to Evaluate Safety/Efficacy of a Single Preop Dose of AYX1 Injection to Treat Pain After Knee Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-surgical Pain"
      ],
      "interventions": [
        {
          "name": "AYX1 Injection 660 mg/6 mL",
          "type": "DRUG"
        },
        {
          "name": "Placebo Injection 6 mL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Adynxx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2017-02-20",
      "completion_date": "2017-12-19",
      "has_results": false,
      "last_update_posted_date": "2018-10-17",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Sheffield, Alabama • Phoenix, Arizona + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807428"
    },
    {
      "nct_id": "NCT00571428",
      "title": "Efficacy Safety Study of Arformoterol QD Dosing Versus BID Dosing in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Arformoterol Tartrate Inhalation Solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2007-11",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 4,
      "location_summary": "Medford, Oregon • Portland, Oregon • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Medford",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Spartanburg",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00571428"
    },
    {
      "nct_id": "NCT04766931",
      "title": "The Safety and Efficacy of FB2001 in Healthy Subjects and Patients With COVID-19 Infection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "FB2001",
          "type": "DRUG"
        },
        {
          "name": "FB2001 Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Frontier Biotechnologies 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": 88,
      "start_date": "2021-03-17",
      "completion_date": "2022-08-12",
      "has_results": false,
      "last_update_posted_date": "2022-11-28",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 1,
      "location_summary": "Secaucus, New Jersey",
      "locations": [
        {
          "city": "Secaucus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04766931"
    },
    {
      "nct_id": "NCT04984707",
      "title": "Safety, Tolerability and Pharmacokinetics of KX826 in Healthy Male Subjects With Androgenetic Alopecia Following Topical Single Ascending Dose Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Androgenetic Alopecia"
      ],
      "interventions": [
        {
          "name": "KX0826",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Suzhou Kintor Pharmaceutical Inc,",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2019-01-28",
      "completion_date": "2019-10-24",
      "has_results": false,
      "last_update_posted_date": "2021-07-30",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04984707"
    },
    {
      "nct_id": "NCT00051636",
      "title": "Safety and Efficacy Trial With Zoledronic Acid for the Treatment of Paget's Disease of Bone, Including an Extended Observation Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paget's Disease of Bone"
      ],
      "interventions": [
        {
          "name": "Zoledronic Acid",
          "type": "DRUG"
        },
        {
          "name": "Risedronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Risedronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Zoledronic Acid",
          "type": "DRUG"
        },
        {
          "name": "Calcium and Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 172,
      "start_date": "2001-01",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2012-05-15",
      "last_synced_at": "2026-10-06T01:19:57.851Z",
      "location_count": 12,
      "location_summary": "Santa Monica, California • Lakewood, Colorado • Boca Raton, Florida + 9 more",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00051636"
    }
  ]
}