{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=4&sponsor=Pfizer",
    "query": {
      "sponsor": "Pfizer",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 3274,
    "total_pages": 328,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=5&sponsor=Pfizer&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=3&sponsor=Pfizer&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T11:27:11.964Z",
  "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": "NCT00143260",
      "title": "Study Of Men With Mild To Moderate Erectile Dysfunction To Evaluate The Efficacy Of Viagra 8 Hours Post-Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Impotence"
      ],
      "interventions": [
        {
          "name": "Viagra (Sildenafil Citrate) 100 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "18 Years to 70 Years · Male only"
      },
      "enrollment_count": 250,
      "start_date": "2005-08",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 25,
      "location_summary": "Birmingham, Alabama • Homewood, Alabama • Hoover, Alabama + 22 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Homewood",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00143260"
    },
    {
      "nct_id": "NCT00161642",
      "title": "Study Evaluating CMD-193 in Advanced Malignant Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasms"
      ],
      "interventions": [
        {
          "name": "CMD-193",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2004-11",
      "completion_date": "2007-07",
      "has_results": false,
      "last_update_posted_date": "2009-09-10",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 3,
      "location_summary": "Lebanon, New Hampshire • Philadelphia, Pennsylvania • Nashville, Tennessee",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00161642"
    },
    {
      "nct_id": "NCT00340379",
      "title": "Ziprasidone vs. Sertraline/Haloperidol in Psychotic Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Affective Disorders"
      ],
      "interventions": [
        {
          "name": "Ziprasidone",
          "type": "DRUG"
        },
        {
          "name": "Sertraline",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 72,
      "start_date": "2003-04",
      "completion_date": "2005-08",
      "has_results": true,
      "last_update_posted_date": "2014-08-19",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00340379"
    },
    {
      "nct_id": "NCT03398473",
      "title": "A Study Comparing The Effects Of Epoetin Hospira Single-Dose Vial (SDV) And Multi-Dose Vial (MDV) When Administered Subcutaneously To Normal Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Epoetin Hospira SDV",
          "type": "DRUG"
        },
        {
          "name": "Epoetin Hospira MDV",
          "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": 68,
      "start_date": "2018-01-25",
      "completion_date": "2018-05-07",
      "has_results": false,
      "last_update_posted_date": "2018-05-17",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03398473"
    },
    {
      "nct_id": "NCT01462851",
      "title": "A Study To Observe Safety And Concentrations Of PF-05297909 And Proteins In Both Blood And Cerebrospinal Fluid After A Single Dose Of PF-05297909 In Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-05297909 25 mg",
          "type": "DRUG"
        },
        {
          "name": "PF-05297909 100 mg",
          "type": "DRUG"
        },
        {
          "name": "PF-05297909 250 mg",
          "type": "DRUG"
        },
        {
          "name": "PF-05297909 525 mg",
          "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": 51,
      "start_date": "2011-09",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-03-13",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 2,
      "location_summary": "Glendale, California • New Haven, Connecticut",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01462851"
    },
    {
      "nct_id": "NCT02484937",
      "title": "Improving Outcomes and Lowering Costs by Integration of Primary Care Providers and Pain Medicine Physicians for Pain Pts",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Back Pain",
        "Chronic Pain",
        "Pain, Intractable"
      ],
      "interventions": [
        {
          "name": "Group 2 (PCP Treatment)",
          "type": "OTHER"
        },
        {
          "name": "Group 1 (PMS Treatment)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2015-01",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2022-06-29",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02484937"
    },
    {
      "nct_id": "NCT00609622",
      "title": "Randomized Study Of Sunitinib Plus FOLFOX Versus Bevacizumab Plus FOLFOX In Metastatic Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colorectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "sunitinib",
          "type": "DRUG"
        },
        {
          "name": "mFOLFOX6",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "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": 191,
      "start_date": "2008-04",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2012-10-11",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 81,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Chandler, Arizona + 65 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Bentonville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609622"
    },
    {
      "nct_id": "NCT01098877",
      "title": "First In Human Study Of Increasing Oral Doses Of PF-04634817",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-04634817 Placebo",
          "type": "DRUG"
        },
        {
          "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": 27,
      "start_date": "2010-04",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2010-10-13",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01098877"
    },
    {
      "nct_id": "NCT00261846",
      "title": "Study Evaluating SKI-606 (Bosutinib) In Philadelphia Chromosome Positive Leukemias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Bosutinib",
          "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": 571,
      "start_date": "2006-01-18",
      "completion_date": "2015-08-06",
      "has_results": true,
      "last_update_posted_date": "2017-07-27",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 29,
      "location_summary": "Duarte, California • Denver, Colorado • Washington D.C., District of Columbia + 13 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00261846"
    },
    {
      "nct_id": "NCT04616027",
      "title": "STUDY OF PF-06882961 IN PARTICIPANTS WITH TYPE 2 DIABETES MELLITUS WITH VARYING DEGREES OF RENAL IMPAIRMENT AND PARTICIPANTS WITHOUT RENAL IMPAIRMENT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2",
        "Renal Impairment",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-06882961 20 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2021-01-13",
      "completion_date": "2022-02-18",
      "has_results": true,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-10-25T11:27:11.964Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Orlando, Florida • Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616027"
    }
  ]
}