{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+match+oseltamivir",
    "query": {
      "intervention": "Placebo to match oseltamivir"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+to+match+oseltamivir&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T22:53:39.627Z",
  "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": "NCT00545532",
      "title": "A Study of Oseltamivir (Tamiflu) for Treatment of Influenza in Immunocompromised Participants.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza, Human"
      ],
      "interventions": [
        {
          "name": "oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 228,
      "start_date": "2008-02-04",
      "completion_date": "2017-05-02",
      "has_results": true,
      "last_update_posted_date": "2018-07-12",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Beverly Hills, California • Burbank, California + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00545532"
    },
    {
      "nct_id": "NCT05170009",
      "title": "Baloxavir in Combination With Oseltamivir in Allogenic Bone Marrow Transplant Recipients With Influenza",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Baloxavir Marboxil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2022-04-22",
      "completion_date": "2024-02-07",
      "has_results": true,
      "last_update_posted_date": "2025-02-26",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05170009"
    },
    {
      "nct_id": "NCT01032837",
      "title": "A Study of Tamiflu (Oseltamivir) for Treatment of Influenza With a Focus on (H1N1) 2009 Flu Strain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 102,
      "start_date": "2009-11",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2012-10-02",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 100,
      "location_summary": "Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 91 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01032837"
    },
    {
      "nct_id": "NCT03684044",
      "title": "Study to Assess Efficacy and Safety of Baloxavir Marboxil In Combination With Standard-of-Care Neuraminidase Inhibitor In Hospitalized Participants With Severe Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Baloxavir Marboxil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 363,
      "start_date": "2019-01-08",
      "completion_date": "2020-03-16",
      "has_results": true,
      "last_update_posted_date": "2021-01-06",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 14,
      "location_summary": "Torrance, California • Denver, Colorado • Decatur, Georgia + 11 more",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03684044"
    },
    {
      "nct_id": "NCT02927431",
      "title": "Study to Evaluate the Efficacy and Safety of Danirixin Co-administered With Oseltamivir in the Treatment of Adults Hospitalized With Influenza",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "Danirixin 15 mg FBE",
          "type": "DRUG"
        },
        {
          "name": "Danirixin 50 mg FBE",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir 75 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2017-01-19",
      "completion_date": "2017-05-24",
      "has_results": true,
      "last_update_posted_date": "2020-11-30",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 5,
      "location_summary": "Stamford, Connecticut • Council Bluffs, Iowa • Natchitoches, Louisiana + 2 more",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Council Bluffs",
          "state": "Iowa"
        },
        {
          "city": "Natchitoches",
          "state": "Louisiana"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927431"
    },
    {
      "nct_id": "NCT02469298",
      "title": "Safety, Tolerability and Clinical Effect of Danirixin in Adults With Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Virus Diseases"
      ],
      "interventions": [
        {
          "name": "GSK1325756 (Danirixin)",
          "type": "DRUG"
        },
        {
          "name": "Placebo To Match GSK1325756",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Placebo To Match Oseltamivir Phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 45,
      "start_date": "2015-06-01",
      "completion_date": "2016-04-25",
      "has_results": true,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 5,
      "location_summary": "Palmetto Bay, Florida • Blackfoot, Idaho • Oklahoma City, Oklahoma + 2 more",
      "locations": [
        {
          "city": "Palmetto Bay",
          "state": "Florida"
        },
        {
          "city": "Blackfoot",
          "state": "Idaho"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        },
        {
          "city": "Medford",
          "state": "Oregon"
        },
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02469298"
    },
    {
      "nct_id": "NCT03629184",
      "title": "Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants With Influenza-Like Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Baloxavir Marboxil",
          "type": "DRUG"
        },
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "1 Year to 11 Years"
      },
      "enrollment_count": 173,
      "start_date": "2018-11-20",
      "completion_date": "2019-04-03",
      "has_results": true,
      "last_update_posted_date": "2020-04-29",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Harrisburg, Arkansas • Jonesboro, Arkansas + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Harrisburg",
          "state": "Arkansas"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Ontario",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03629184"
    },
    {
      "nct_id": "NCT02603952",
      "title": "A Phase 2a to Evaluate the Safety of MEDI8852 in Adults With Uncomplicated Influenza",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "MEDI8852",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MedImmune LLC",
      "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": 126,
      "start_date": "2015-12-07",
      "completion_date": "2016-12-09",
      "has_results": true,
      "last_update_posted_date": "2018-06-08",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 22,
      "location_summary": "Canoga Park, California • Long Beach, California • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02603952"
    },
    {
      "nct_id": "NCT00412737",
      "title": "A Study of Oseltamivir (Tamiflu) for the Seasonal Prophylaxis of Influenza in Immunocompromised Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Influenza"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "1 Year and older"
      },
      "enrollment_count": 477,
      "start_date": "2007-01",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2016-06-10",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 34,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Stanford, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00412737"
    },
    {
      "nct_id": "NCT02717754",
      "title": "A Study to Investigate the Safety, Tolerability, and Pharmacokinetics (PK) of Oseltamivir and Its Carboxylate Metabolite, RO0640802 in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Oseltamivir",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 99,
      "start_date": "2009-12",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2016-06-27",
      "last_synced_at": "2026-10-03T22:53:39.627Z",
      "location_count": 2,
      "location_summary": "Little Rock, Arkansas • Austin, Texas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02717754"
    }
  ]
}