{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?page=23&sponsor=Pfizer",
    "query": {
      "sponsor": "Pfizer",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 3277,
    "total_pages": 328,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=24&sponsor=Pfizer&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?page=22&sponsor=Pfizer&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T15:15:27.258Z",
  "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": "NCT00159666",
      "title": "Study of Pregabalin Therapy for Pain Relief in Subjects With Post-Herpetic Neuralgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Post-Herpetic Neuralgia"
      ],
      "interventions": [
        {
          "name": "pregabalin",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 255,
      "start_date": "2004-10",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 14,
      "location_summary": "Phoenix, Arizona • Little Rock, Arkansas • Duarte, California + 11 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Palm Beach Gardens",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00159666"
    },
    {
      "nct_id": "NCT06873945",
      "title": "A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [
        {
          "name": "Ritlecitinib 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Ritlecitinib 50 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo - 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo - 50 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 674,
      "start_date": "2025-04-01",
      "completion_date": "2028-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Hot Springs, Arkansas • Brea, California + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Brea",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06873945"
    },
    {
      "nct_id": "NCT01838057",
      "title": "Evaluation of the Clinical and Economic Impact of painPRIMER in the Treatment of Low Back Pain in a Primary Care Setting",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "painPREMIER cohort",
          "type": "DEVICE"
        },
        {
          "name": "Control cohort",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 103,
      "start_date": "2013-06",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2015-04-16",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Georgia",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01838057"
    },
    {
      "nct_id": "NCT04879329",
      "title": "A Study of Disitamab Vedotin Alone or With Pembrolizumab in Urothelial Cancer That Expresses HER2",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Urothelial Carcinoma"
      ],
      "interventions": [
        {
          "name": "disitamab vedotin",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seagen, 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": 372,
      "start_date": "2022-05-03",
      "completion_date": "2029-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 158,
      "location_summary": "Gilbert, Arizona • Anaheim, California • Arcadia, California + 96 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Arcadia",
          "state": "California"
        },
        {
          "city": "Baldwin Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04879329"
    },
    {
      "nct_id": "NCT01134575",
      "title": "CMC-544 in Relapsed Refractory Acute Lymphoblastic Leukemia (ALL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "CMC-544 (Inotuzumab Ozogamycin)",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2010-06-04",
      "completion_date": "2018-04-18",
      "has_results": true,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01134575"
    },
    {
      "nct_id": "NCT02725112",
      "title": "Bioavailability Study of Pregabalin Extended Release Formulation With Various Release Rates in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Pregabalin ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "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": 25,
      "start_date": "2016-02-12",
      "completion_date": "2016-06-17",
      "has_results": false,
      "last_update_posted_date": "2021-01-20",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02725112"
    },
    {
      "nct_id": "NCT01008605",
      "title": "Caverject User Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Erectile Dysfunction"
      ],
      "interventions": [
        {
          "name": "delivery system",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "40 Years to 70 Years · Male only"
      },
      "enrollment_count": 48,
      "start_date": "2011-02",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2012-04-06",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 2,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008605"
    },
    {
      "nct_id": "NCT06137703",
      "title": "A Study to Learn About the Study Medication, Zavegepant, in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Biological Availability"
      ],
      "interventions": [
        {
          "name": "Zavegepant 100mg non-enteric coated soft gel capsule",
          "type": "DRUG"
        },
        {
          "name": "Zavegepant 100mg immediate release tablet",
          "type": "DRUG"
        },
        {
          "name": "Zavegepant 2 x 100mg immediate release tablets",
          "type": "DRUG"
        },
        {
          "name": "Zavegepant 4 x 25mg enteric coated soft gel capsule",
          "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": 52,
      "start_date": "2022-08-24",
      "completion_date": "2022-12-07",
      "has_results": true,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06137703"
    },
    {
      "nct_id": "NCT03719768",
      "title": "Avelumab With Radiotherapy in Patients With Leptomeningeal Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leptomeningeal Metastases",
        "Leptomeningeal Disease"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "DRUG"
        },
        {
          "name": "Whole Brain Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2019-06-10",
      "completion_date": "2024-08-21",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719768"
    },
    {
      "nct_id": "NCT00265317",
      "title": "A Study In Patients With Non-Small Cell Lung Cancer Testing If Erlotinib Plus SU011248 (Sunitinib) Is Better Than Erlotinib Alone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Non-Small-Cell Lung"
      ],
      "interventions": [
        {
          "name": "erlotinib",
          "type": "DRUG"
        },
        {
          "name": "sunitinib",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "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": 162,
      "start_date": "2006-06",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2013-02-06",
      "last_synced_at": "2026-10-28T15:15:27.258Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Antioch, California + 13 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00265317"
    }
  ]
}