{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cohort+C%3A+placebo",
    "query": {
      "intervention": "Cohort C: placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 241,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cohort+C%3A+placebo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T15:44:50.606Z",
  "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": "NCT04569786",
      "title": "Dose Ranging Trial to Assess Safety and Immunogenicity of V590 (COVID-19 Vaccine) in Healthy Adults (V590-001)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Coronavirus Disease (COVID-19)"
      ],
      "interventions": [
        {
          "name": "V590",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2020-10-29",
      "completion_date": "2021-02-18",
      "has_results": true,
      "last_update_posted_date": "2021-12-29",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 7,
      "location_summary": "Tempe, Arizona • Miami, Florida • South Miami, Florida + 4 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04569786"
    },
    {
      "nct_id": "NCT05507515",
      "title": "A Phase 1 Study of ONO-2020 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "ONO-2020",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ono Pharmaceutical Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2022-07-29",
      "completion_date": "2023-12-24",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05507515"
    },
    {
      "nct_id": "NCT01247194",
      "title": "A Phase 1b Study of PPI-461 in Patients With HCV Genotype 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Genotype 1 Hepatitis C Virus Infection"
      ],
      "interventions": [
        {
          "name": "PPI-461",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Presidio Pharmaceuticals, 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": 24,
      "start_date": "2010-10",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-02-03",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • San Francisco, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247194"
    },
    {
      "nct_id": "NCT03349710",
      "title": "Nivolumab or Nivolumab Plus Cisplatin, in Combination With Radiotherapy in Patients With Cisplatin-ineligible or Eligible Locally Advanced Squamous Cell Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cetuximab",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2017-12-15",
      "completion_date": "2019-10-14",
      "has_results": true,
      "last_update_posted_date": "2021-08-09",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 21,
      "location_summary": "Anniston, Alabama • Goodyear, Arizona • Tucson, Arizona + 18 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03349710"
    },
    {
      "nct_id": "NCT03593785",
      "title": "A Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AZD8233 in Healthy Male Subjects With Increased Elevated LDL-C Levels.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypercholesterolemia"
      ],
      "interventions": [
        {
          "name": "AZD8233",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 73,
      "start_date": "2018-08-03",
      "completion_date": "2020-12-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-25",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 1,
      "location_summary": "Glendale, California",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03593785"
    },
    {
      "nct_id": "NCT01471717",
      "title": "Study to Evaluate the Pharmacokinetics and Safety of INX-08189 Administered With VictrelisTM in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "INX-08189 50 mg QD X 5 days",
          "type": "DRUG"
        },
        {
          "name": "INX-08189 / Victrelis 800 mg TID X three days",
          "type": "DRUG"
        },
        {
          "name": "Victrelis 800 mg TID x 3 days",
          "type": "DRUG"
        },
        {
          "name": "Victrelis 800 mg TID with INX-08189 50 mg QD",
          "type": "DRUG"
        },
        {
          "name": "Placebo with Victrelis 800 mg",
          "type": "DRUG"
        },
        {
          "name": "Cohort 2: Victrelis 800 mg with Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "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": 32,
      "start_date": "2011-10",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2012-06-22",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01471717"
    },
    {
      "nct_id": "NCT05805826",
      "title": "To Understand the Safety and Effects of a C. Difficile Vaccine With New Adds-Ons That Will Be Given to Healthy Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Clostridoides Difficile Associated Disease"
      ],
      "interventions": [
        {
          "name": "C. difficile vaccine (previously studied formulation).",
          "type": "BIOLOGICAL"
        },
        {
          "name": "C. difficile vaccine formulation 1.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "C. difficile vaccine formulation 2.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "C. difficile vaccine formulation 3.",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline Placebo.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 936,
      "start_date": "2023-03-23",
      "completion_date": "2031-06-19",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 23,
      "location_summary": "Phoenix, Arizona • Anaheim, California • Doral, Florida + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Doral",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805826"
    },
    {
      "nct_id": "NCT05864391",
      "title": "A Study to Investigate Safety, Tolerability, and Pharmacokinetics of AZD7503 in Participants With Suspected NASH.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Steatohepatitis"
      ],
      "interventions": [
        {
          "name": "AZD7503",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 40,
      "start_date": "2023-03-31",
      "completion_date": "2024-03-20",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 9,
      "location_summary": "Chandler, Arizona • Montclair, California • Hialeah, Florida + 5 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Montclair",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Port Orange",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05864391"
    },
    {
      "nct_id": "NCT03502707",
      "title": "A Study to Evaluate the Safety and Immunogenicity for Regimen Selection of Ad26.RSV.preF and/or RSV preF Protein Combinations Followed by Expanded Safety Evaluation in Adults Aged 60 Years and Older",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ad26.RSV.preF 1*10^11 vp",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 5*10^10 vp Plus RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 5*10^10 vp Plus RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 1*10^11 vp Plus RSV preF Protein 50 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mixture of Ad26.RSV.preF 1*10^11 vp Plus RSV preF Protein 150 mcg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Selected Regimen",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Janssen Vaccines & Prevention B.V.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 669,
      "start_date": "2018-07-06",
      "completion_date": "2022-05-16",
      "has_results": true,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 6,
      "location_summary": "Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03502707"
    },
    {
      "nct_id": "NCT03276728",
      "title": "Study to Evaluate the Safety and Tolerability of AMG 986 in Healthy Volunteers and Heart Failure Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Failure",
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "AMG 986 IV",
          "type": "DRUG"
        },
        {
          "name": "AMG 986 PO",
          "type": "DRUG"
        },
        {
          "name": "Placebo PO",
          "type": "DRUG"
        },
        {
          "name": "Placebo IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 182,
      "start_date": "2016-08-12",
      "completion_date": "2019-04-18",
      "has_results": true,
      "last_update_posted_date": "2022-08-08",
      "last_synced_at": "2026-10-04T15:44:50.606Z",
      "location_count": 8,
      "location_summary": "Anaheim, California • Tustin, California • Jacksonville, Florida + 5 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Tustin",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03276728"
    }
  ]
}