{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Cohort+B%29&page=2",
    "query": {
      "intervention": "Placebo (Cohort B)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 422,
    "total_pages": 43,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Cohort+B%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Cohort+B%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T11:27:57.326Z",
  "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": "NCT01931839",
      "title": "A Phase 3 Rollover Study of Lumacaftor in Combination With Ivacaftor in Subjects 12 Years and Older With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cystic Fibrosis, Homozygous or Heterozygous for the F508del-CFTR Mutation"
      ],
      "interventions": [
        {
          "name": "Lumacaftor Plus Ivacaftor Combination",
          "type": "DRUG"
        },
        {
          "name": "Ivacaftor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vertex Pharmaceuticals Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1164,
      "start_date": "2013-10",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2017-05-12",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 91,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 88 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01931839"
    },
    {
      "nct_id": "NCT02769065",
      "title": "Study of TAK-071 in Healthy Participants and Participants With Mild Cognitive Impairment/Mild Alzheimer Disease and Relative Bioavailability (BA) and Food Effect of TAK-071 in Healthy Participants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alzheimer Disease",
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "TAK-071",
          "type": "DRUG"
        },
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "TAK-071 Placebo",
          "type": "DRUG"
        },
        {
          "name": "Donepezil Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 179,
      "start_date": "2016-05-05",
      "completion_date": "2017-06-08",
      "has_results": true,
      "last_update_posted_date": "2019-06-10",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02769065"
    },
    {
      "nct_id": "NCT07660731",
      "title": "A Study to Learn How Different Amounts of the Study Medicine Called PF-08103402 Are Tolerated and Act in the Body in Healthy Adults or Adults With Mild To-moderate Asthma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer Study",
        "Healthy Adults",
        "Healthy Participants",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "PF-08103402",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 133,
      "start_date": "2026-06-17",
      "completion_date": "2027-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07660731"
    },
    {
      "nct_id": "NCT07250802",
      "title": "A Long-Term Study of Zasocitinib in Children and Teenagers With Plaque Psoriasis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "Zasocitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 110,
      "start_date": "2025-12-04",
      "completion_date": "2033-01-24",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 11,
      "location_summary": "Chula Vista, California • Fountain Valley, California • Hialeah, Florida + 8 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Rolling Meadows",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07250802"
    },
    {
      "nct_id": "NCT03301090",
      "title": "A Safety, Tolerability, Pharmacokinetics and Immunogenicity Trial of Co-administered MERS-CoV Antibodies REGN3048 and REGN3051",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Corona Virus Infection"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "REGN3048",
          "type": "BIOLOGICAL"
        },
        {
          "name": "REGN3051",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2018-02-12",
      "completion_date": "2019-01-19",
      "has_results": false,
      "last_update_posted_date": "2019-02-01",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03301090"
    },
    {
      "nct_id": "NCT03437941",
      "title": "Study to Evaluate Exicorilant (CORT125281) in Combination With Enzalutamide in Patients With Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Castration-Resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Exicorilant",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corcept Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 39,
      "start_date": "2018-02-20",
      "completion_date": "2023-01-12",
      "has_results": true,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • Detroit, Michigan • Basking Ridge, New Jersey + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437941"
    },
    {
      "nct_id": "NCT01597401",
      "title": "A Single Dose Study of the Safety, Blood Levels and Biological Effects of Aes-103 Compared to Placebo in Subjects With Stable Sickle Cell Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Aes-103",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baxalta now part of Shire",
      "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": 19,
      "start_date": "2012-05-12",
      "completion_date": "2013-06-07",
      "has_results": false,
      "last_update_posted_date": "2021-05-05",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01597401"
    },
    {
      "nct_id": "NCT00996268",
      "title": "An Open-label Single Dose Randomized, Parallel Group Study Followed by Single-blind Repeat Dosing, to Compare the Relative Bioavailability of GSK2212836.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "GSK2212836",
          "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": 46,
      "start_date": "2009-10-15",
      "completion_date": "2010-01-04",
      "has_results": false,
      "last_update_posted_date": "2017-06-22",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00996268"
    },
    {
      "nct_id": "NCT06178991",
      "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Combined Modified RNA Vaccine Candidate Against COVID-19 and Influenza.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Influenza and COVID-19 Combination A",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Licensed influenza vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "COVID-19 Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Influenza and COVID-19 Combination B",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Investigational influenza vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "BioNTech SE",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 8795,
      "start_date": "2023-12-20",
      "completion_date": "2024-11-26",
      "has_results": true,
      "last_update_posted_date": "2025-12-04",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 106,
      "location_summary": "Athens, Alabama • Birmingham, Alabama • Mobile, Alabama + 76 more",
      "locations": [
        {
          "city": "Athens",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06178991"
    },
    {
      "nct_id": "NCT03251482",
      "title": "A Study to Evaluate the Safety and Efficacy of Intravenous JNJ-64179375 Versus Oral Apixaban in Participants Undergoing Elective Total Knee Replacement Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "VTE Prophylaxis With Anticoagulation After Total Knee Replacement Surgery"
      ],
      "interventions": [
        {
          "name": "JNJ-64179375 0.3 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 0.6 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 1.2 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 (Dose to be Determined)",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 A mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 B mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 C mg/kg",
          "type": "DRUG"
        },
        {
          "name": "JNJ-64179375 D mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Placebo JNJ-64179375",
          "type": "DRUG"
        },
        {
          "name": "Apixaban placebo",
          "type": "DRUG"
        },
        {
          "name": "Apixaban 2.5 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 308,
      "start_date": "2017-11-13",
      "completion_date": "2018-11-05",
      "has_results": true,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-10-06T11:27:57.326Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Torrance, California • Englewood, Colorado + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03251482"
    }
  ]
}