{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=41&sponsor=Pfizer",
    "query": {
      "sponsor": "Pfizer",
      "page": 41
    },
    "page_size": 10
  },
  "pagination": {
    "page": 41,
    "page_size": 10,
    "total_count": 3279,
    "total_pages": 328,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=42&sponsor=Pfizer&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=40&sponsor=Pfizer&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T03:01:38.776Z",
  "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": "NCT01140672",
      "title": "A Multiple Dose Study To Determine Safety, Tolerability, and Pharmacokinetics Of PF-04634817 In Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-04634817",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 48,
      "start_date": "2010-06",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2011-06-08",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01140672"
    },
    {
      "nct_id": "NCT02484092",
      "title": "A Gene Therapy Study for Hemophilia B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hemophilia B"
      ],
      "interventions": [
        {
          "name": "SPK-9001",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "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": 15,
      "start_date": "2015-11-18",
      "completion_date": "2019-04-08",
      "has_results": true,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 9,
      "location_summary": "Sacramento, California • Jackson, Mississippi • Madison, Mississippi + 2 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02484092"
    },
    {
      "nct_id": "NCT00134511",
      "title": "Study To Evaluate The Effect Of Torcetrapib/Atorvastatin In Patients With Genetic High Cholesterol Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypercholesterolemia, Familial"
      ],
      "interventions": [
        {
          "name": "Torcetrapib/atorvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2005-03",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2007-11-07",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00134511"
    },
    {
      "nct_id": "NCT00763867",
      "title": "Evaluating the Effectiveness of Sildenafil at Improving Health Outcomes and Exercise Ability in People With Diastolic Heart Failure (The RELAX Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sildenafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2008-09",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2014-07-23",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Atlanta, Georgia • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00763867"
    },
    {
      "nct_id": "NCT07839871",
      "title": "Study to Learn About a Respiratory Syncytial Virus Vaccine in Children at High Risk of RSV Disease",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Respiratory Syncytial Virus (RSV)"
      ],
      "interventions": [
        {
          "name": "RSVpreF",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 920,
      "start_date": "2026-09-28",
      "completion_date": "2031-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 1,
      "location_summary": "South Euclid, Ohio",
      "locations": [
        {
          "city": "South Euclid",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07839871"
    },
    {
      "nct_id": "NCT00396214",
      "title": "Compare the Effects of Bifeprunox and Quetiapine on Weight Changes in Stable Schizophrenic Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Bifeprunox",
          "type": "DRUG"
        },
        {
          "name": "Quetiapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solvay Pharmaceuticals",
      "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": 83,
      "start_date": "2007-04",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2008-06-04",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 69,
      "location_summary": "Anaheim, California • Cerritos, California • Costa Mesa, California + 52 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Culver City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00396214"
    },
    {
      "nct_id": "NCT01366014",
      "title": "A Study of ARRY-371797 in Patients With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ARRY-371797, p38 inhibitor; oral",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone hydrochloride (HCl) extended release (ER), opioid agonist; oral",
          "type": "DRUG"
        },
        {
          "name": "Placebo; oral",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 157,
      "start_date": "2011-06",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • Fort Lauderdale, Florida • Pinellas Park, Florida + 10 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Pinellas Park",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Watertown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01366014"
    },
    {
      "nct_id": "NCT07086677",
      "title": "A Study to Learn About How a New Pneumococcal Vaccine Works in Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Streptococcus Pneumoniae"
      ],
      "interventions": [
        {
          "name": "PG4 vaccine in Buffer 1 with low dose PA-001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PG4 in Buffer 1 with low dose PA-002",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PG4 in Buffer 1 with high dose PA-001",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PG4 vaccine in Buffer 1 with high dose PA-002",
          "type": "BIOLOGICAL"
        },
        {
          "name": "PG4 vaccine in Buffer 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "20-valent pneumococcal conjugate vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline injection",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "65 Years to 84 Years"
      },
      "enrollment_count": 380,
      "start_date": "2025-07-22",
      "completion_date": "2027-10-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 20,
      "location_summary": "Lake Forest, California • Rolling Hills Estates, California • Greenacres City, Florida + 13 more",
      "locations": [
        {
          "city": "Lake Forest",
          "state": "California"
        },
        {
          "city": "Rolling Hills Estates",
          "state": "California"
        },
        {
          "city": "Greenacres City",
          "state": "Florida"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07086677"
    },
    {
      "nct_id": "NCT00620828",
      "title": "The Role of Intra-Operative Intracapsular Blocks in Post-Operative Pain Management Following Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Placebo saline injection",
          "type": "OTHER"
        },
        {
          "name": "Ropivicaine 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 67,
      "start_date": "2007-05",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00620828"
    },
    {
      "nct_id": "NCT07200128",
      "title": "A Study to Learn About the Medicine Called Ritlecitinib in Adults With Severe Alopecia Areata in Real-world Settings",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Severe Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Ritlecitinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 123,
      "start_date": "2025-02-03",
      "completion_date": "2025-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-10-31T03:01:38.776Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07200128"
    }
  ]
}