{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hypoxia+Inducible+Factor+%28HIF%29&page=2",
    "query": {
      "condition": "Hypoxia Inducible Factor (HIF)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hypoxia+Inducible+Factor+%28HIF%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T15:19:56.162Z",
  "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": "NCT05468697",
      "title": "A Study of Belzutifan (MK-6482) in Combination With Palbociclib Versus Belzutifan Monotherapy in Participants With Advanced Renal Cell Carcinoma (MK-6482-024/LITESPARK-024)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Belzutifan",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-08-10",
      "completion_date": "2026-07-21",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Chicago, Illinois • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05468697"
    },
    {
      "nct_id": "NCT02412449",
      "title": "Relative Bioavailability of Two Formulations of AKB-6548 and the Food Effect of a New Tablet in Healthy Adult Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "AKB-6548 tablet, reference formulation given in the fasted state",
          "type": "DRUG"
        },
        {
          "name": "AKB-6548 tablet, test formulation given in the fasted state.",
          "type": "DRUG"
        },
        {
          "name": "AKB-6548 tablet, test formulation given in the fed state",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "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": 18,
      "start_date": "2015-04",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02412449"
    },
    {
      "nct_id": "NCT02680574",
      "title": "Efficacy and Safety Study to Evaluate Vadadustat for the Maintenance Treatment of Anemia in Participants With Non-dialysis-dependent Chronic Kidney Disease (NDD-CKD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Non-Dialysis-Dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1725,
      "start_date": "2016-02",
      "completion_date": "2020-07-31",
      "has_results": true,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 219,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Tuscumbia, Alabama + 158 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tuscumbia",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02680574"
    },
    {
      "nct_id": "NCT05082584",
      "title": "Study to Evaluate the Safety and Efficacy of Oral Vadadustat in Pediatric Participants With Anemia of Chronic Kidney Disease Naive to Erythropoiesis-Stimulating Agents",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia of Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "4 Months to 16 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-01",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05082584"
    },
    {
      "nct_id": "NCT04489771",
      "title": "A Study of Belzutifan (MK-6482) in Participants With Advanced Renal Cell Carcinoma (MK-6482-013)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Renal Cell"
      ],
      "interventions": [
        {
          "name": "Belzutifan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2020-09-13",
      "completion_date": "2026-10-04",
      "has_results": true,
      "last_update_posted_date": "2025-02-11",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 18,
      "location_summary": "Washington D.C., District of Columbia • Miami, Florida • Louisville, Kentucky + 15 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04489771"
    },
    {
      "nct_id": "NCT04195750",
      "title": "A Study of Belzutifan (MK-6482) Versus Everolimus in Participants With Advanced Renal Cell Carcinoma (MK-6482-005)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Carcinoma, Renal Cell"
      ],
      "interventions": [
        {
          "name": "Belzutifan",
          "type": "DRUG"
        },
        {
          "name": "Everolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 755,
      "start_date": "2020-02-27",
      "completion_date": "2026-09-17",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 29,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Santa Rosa, California + 23 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Highlands Ranch",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04195750"
    },
    {
      "nct_id": "NCT02564614",
      "title": "A Study of Hypoxia-inducible Factor 1a (HIF1A) Messenger Ribonucleic Acid (mRNA) Antagonist (RO7070179), to Demonstrate Proof-of-mechanism in Adult Participants With Hepatocellular Carcinoma (HCC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Carcinoma, Hepatocellular"
      ],
      "interventions": [
        {
          "name": "RO7070179",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2016-05-02",
      "completion_date": "2018-01-22",
      "has_results": false,
      "last_update_posted_date": "2018-02-15",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 7,
      "location_summary": "Indianapolis, Indiana • New York, New York • Canton, Ohio + 1 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02564614"
    },
    {
      "nct_id": "NCT02648347",
      "title": "Study to Evaluate Vadadustat for the Correction of Anemia in Participants With Non-dialysis-dependent Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Non-Dialysis-Dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1751,
      "start_date": "2015-12",
      "completion_date": "2020-07-31",
      "has_results": true,
      "last_update_posted_date": "2022-06-27",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 208,
      "location_summary": "Huntsville, Alabama • Tuscumbia, Alabama • Glendale, Arizona + 148 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Tuscumbia",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02648347"
    },
    {
      "nct_id": "NCT02892149",
      "title": "Efficacy and Safety Study to Evaluate Vadadustat for the Maintenance Treatment of Anemia in Participants With Dialysis-dependent Chronic Kidney Disease (DD-CKD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Dialysis-Dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3554,
      "start_date": "2016-08",
      "completion_date": "2020-03-30",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 127,
      "location_summary": "Huntsville, Alabama • Mesa, Arizona • Pine Bluff, Arkansas + 95 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02892149"
    },
    {
      "nct_id": "NCT04736706",
      "title": "A Study of Pembrolizumab (MK-3475) in Combination With Belzutifan (MK-6482) and Lenvatinib (MK-7902), or Pembrolizumab/Quavonlimab (MK-1308A) in Combination With Lenvatinib, Versus Pembrolizumab and Lenvatinib, for Treatment of Advanced Clear Cell Renal Cell Carcinoma (MK-6482-012)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Carcinoma, Renal Cell"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Belzutifan",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab/Quavonlimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1653,
      "start_date": "2021-04-14",
      "completion_date": "2026-10-29",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-06-10T15:19:56.162Z",
      "location_count": 33,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Los Angeles, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04736706"
    }
  ]
}