{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=24",
    "query": {
      "intervention": "Single Dose Placebo",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 4628,
    "total_pages": 463,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Single+Dose+Placebo&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T13:50:32.719Z",
  "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": "NCT01545050",
      "title": "Dose Ranging Study of BMS-945429 in Subjects With Moderate to Severe Crohn's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Placebo matching with BMS-945429",
          "type": "BIOLOGICAL"
        },
        {
          "name": "BMS-945429",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "CSL Behring",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2012-06",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2021-12-03",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 8,
      "location_summary": "La Jolla, California • San Diego, California • Lone Tree, Colorado + 5 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01545050"
    },
    {
      "nct_id": "NCT04465110",
      "title": "Effects of Chronic Dietary Grape Seed Extract Supplementation on Aortic Stiffness and Hemodynamic Responses to Exercise in Obese Males",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity Adult Onset"
      ],
      "interventions": [
        {
          "name": "Grape Seed Extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "California Baptist University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "MALE",
        "summary": "18 Years to 29 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2019-09-01",
      "completion_date": "2020-04-22",
      "has_results": false,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 1,
      "location_summary": "Riverside, California",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04465110"
    },
    {
      "nct_id": "NCT04777643",
      "title": "Sex Differences in Neural Response to Cannabidiol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "CBD",
        "Neural Responses"
      ],
      "interventions": [
        {
          "name": "Cannabidiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2022-06-07",
      "completion_date": "2023-04-27",
      "has_results": false,
      "last_update_posted_date": "2023-12-21",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04777643"
    },
    {
      "nct_id": "NCT01153568",
      "title": "Vitamin D and Osteoporosis Prevention in Elderly African American Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Determine Effect of Vitamin D on Bone Health in Elderly African American Women"
      ],
      "interventions": [
        {
          "name": "Vitamin D 3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Winthrop University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "60 Years and older · Female only"
      },
      "enrollment_count": 260,
      "start_date": "2010-08",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2018-10-03",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 1,
      "location_summary": "Mineola, New York",
      "locations": [
        {
          "city": "Mineola",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01153568"
    },
    {
      "nct_id": "NCT04980391",
      "title": "A Study on the Safety and Immune Response to an Unadjuvanted RSV Maternal Vaccine, in High Risk Pregnant Women Aged 15 to 49 Years and Infants Born to the Vaccinated Mothers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus Infections"
      ],
      "interventions": [
        {
          "name": "RSV MAT",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 49 Years · Female only"
      },
      "enrollment_count": 384,
      "start_date": "2021-08-03",
      "completion_date": "2023-05-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 16,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Covington",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04980391"
    },
    {
      "nct_id": "NCT03608774",
      "title": "Trial of Azithromycin vs. Doxycycline for the Treatment of Rectal Chlamydia in MSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anal Chlamydia Infection"
      ],
      "interventions": [
        {
          "name": "Azithromycin",
          "type": "DRUG"
        },
        {
          "name": "Doxycycline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "MALE",
        "summary": "18 Years to 99 Years · Male only"
      },
      "enrollment_count": 177,
      "start_date": "2018-07-13",
      "completion_date": "2020-02-21",
      "has_results": true,
      "last_update_posted_date": "2021-01-07",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Seattle, Washington",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03608774"
    },
    {
      "nct_id": "NCT01068860",
      "title": "To Compare the Effect of a Subcutaneous Canakinumab Administration to Placebo in Patients With Impaired Glucose Tolerance or Patients With Type 2 Diabetes With Differing Baseline Diabetes Therapies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Impaired Glucose Tolerance"
      ],
      "interventions": [
        {
          "name": "Canakinumab 150 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Canakinumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "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": 246,
      "start_date": "2010-02",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2011-09-05",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Santa Ana, California • Spring Valley, California + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Spring Valley",
          "state": "California"
        },
        {
          "city": "Madisonville",
          "state": "Kentucky"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068860"
    },
    {
      "nct_id": "NCT01487460",
      "title": "Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of TAP311 in Healthy Subjects and Dyslipidemic Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dyslipidemia",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "TAP311",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 137,
      "start_date": "2011-11",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2020-12-21",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 1,
      "location_summary": "Miramar, Florida",
      "locations": [
        {
          "city": "Miramar",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01487460"
    },
    {
      "nct_id": "NCT04545060",
      "title": "VIR-7831 for the Early Treatment of COVID-19 in Outpatients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "VIR-7831 (sotrovimab)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Vir Biotechnology, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1057,
      "start_date": "2020-08-27",
      "completion_date": "2021-09-02",
      "has_results": true,
      "last_update_posted_date": "2022-11-07",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 63,
      "location_summary": "Anniston, Alabama • Cullman, Alabama • Mesa, Arizona + 49 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04545060"
    },
    {
      "nct_id": "NCT03783091",
      "title": "A Trial of Vitamin B12 in Septic Shock",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Septic Shock"
      ],
      "interventions": [
        {
          "name": "Hydroxocobalamin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-08-05",
      "completion_date": "2023-02-23",
      "has_results": true,
      "last_update_posted_date": "2026-05-27",
      "last_synced_at": "2026-11-15T13:50:32.719Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03783091"
    }
  ]
}