{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Erythropoietin",
    "query": {
      "condition": "Erythropoietin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 169,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Erythropoietin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T15:11:14.727Z",
  "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": "NCT03799627",
      "title": "Study of Vadadustat in Hemodialysis Participants With Anemia Switching From Epoetin Alfa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Dialysis-dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        },
        {
          "name": "Epoetin Alfa",
          "type": "DRUG"
        },
        {
          "name": "Vadadustat TIW",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akebia Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 175,
      "start_date": "2019-01-31",
      "completion_date": "2020-07-15",
      "has_results": true,
      "last_update_posted_date": "2022-09-29",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 41,
      "location_summary": "Fresno, California • Granada Hills, California • Los Angeles, California + 32 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799627"
    },
    {
      "nct_id": "NCT02504294",
      "title": "A Phase 3b Study of Erythropoietin Drugs Using a Specified Dosing Algorithm in Patients With Chronic Kidney Disease on Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease (CKD)"
      ],
      "interventions": [
        {
          "name": "Epoetin Hospira Arm",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Standard of Care Arm",
          "type": "OTHER"
        },
        {
          "name": "IV Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "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": 432,
      "start_date": "2015-07-13",
      "completion_date": "2016-07-16",
      "has_results": true,
      "last_update_posted_date": "2018-06-13",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 42,
      "location_summary": "Chula Vista, California • Poway, California • Rancho Bernardo, California + 24 more",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Poway",
          "state": "California"
        },
        {
          "city": "Rancho Bernardo",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02504294"
    },
    {
      "nct_id": "NCT00224042",
      "title": "Effect of Ferrlecit® Versus Oral Iron on Iron Deficient Chronic Kidney Disease (CKD) Patients Receiving Erythropoietic Agents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia, Iron-Deficiency",
        "Kidney Failure, Chronic"
      ],
      "interventions": [
        {
          "name": "Sodium Ferric Gluconate complex in sucrose",
          "type": "DRUG"
        },
        {
          "name": "Ferrous sulfate tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Watson Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2003-04",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2012-03-29",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224042"
    },
    {
      "nct_id": "NCT01630889",
      "title": "Open-Label Extension Study for the Long-Term Efficacy and Safety of Roxadustat in Participants With Dialysis and Non-Dialysis Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "End Stage Renal Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Roxadustat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyntra Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2012-05-18",
      "completion_date": "2019-12-12",
      "has_results": true,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 4,
      "location_summary": "Riverside, California • Greenbelt, Maryland • Asheville, North Carolina + 1 more",
      "locations": [
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Greenbelt",
          "state": "Maryland"
        },
        {
          "city": "Asheville",
          "state": "North Carolina"
        },
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01630889"
    },
    {
      "nct_id": "NCT00048035",
      "title": "A Study of Intravenous (iv) Mircera in Hemodialysis Patients With Chronic Renal Anemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "methoxy polyethylene glycol-epoetin beta [Mircera]",
          "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": 91,
      "start_date": "2002-03",
      "completion_date": "2005-06",
      "has_results": true,
      "last_update_posted_date": "2016-12-20",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Maywood, Illinois + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048035"
    },
    {
      "nct_id": "NCT05949684",
      "title": "ELEMENT-MDS: A Study to Compare the Efficacy and Safety of Luspatercept in Participants With Myelodysplastic Syndrome (MDS) and Anemia Not Receiving Blood Transfusions",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Luspatercept",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Epoetin Alfa",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 402,
      "start_date": "2023-10-24",
      "completion_date": "2031-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 33,
      "location_summary": "Clovis, California • Fountain Valley, California • Los Alamitos, California + 30 more",
      "locations": [
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05949684"
    },
    {
      "nct_id": "NCT00481624",
      "title": "Using Iron With Procrit in Advanced Lung Cancer Patients With Chemotherapy-Induced Anemia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Epoetin Alfa plus Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2007-05",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2018-03-05",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00481624"
    },
    {
      "nct_id": "NCT02273726",
      "title": "Study to Evaluate the Efficacy and Safety of Roxadustat in the Treatment of Anemia in Participants With ESRD on Stable Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "CKD Anemia in Stable Dialysis Patients"
      ],
      "interventions": [
        {
          "name": "Epoetin Alfa",
          "type": "DRUG"
        },
        {
          "name": "Roxadustat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyntra Bio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 741,
      "start_date": "2015-01-15",
      "completion_date": "2018-09-19",
      "has_results": true,
      "last_update_posted_date": "2021-10-29",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 74,
      "location_summary": "Phoenix, Arizona • Pine Bluff, Arkansas • Chula Vista, California + 58 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02273726"
    },
    {
      "nct_id": "NCT01207778",
      "title": "Brain Imaging and Developmental Follow up of Infants Treated With Erythropoietin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prematurity"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "36 Months",
        "maximum_age": "72 Months",
        "sex": "ALL",
        "summary": "36 Months to 72 Months"
      },
      "enrollment_count": 77,
      "start_date": "2010-03",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 3,
      "location_summary": "Albuquerque, New Mexico • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01207778"
    },
    {
      "nct_id": "NCT00337441",
      "title": "Treatment of Chronic Anemia With Epoetin Alfa in Elderly",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Epoetin Alfa (drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Research and Education Foundation of Michael Reese Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2003-01",
      "completion_date": "2005-07",
      "has_results": false,
      "last_update_posted_date": "2006-06-16",
      "last_synced_at": "2026-07-22T15:11:14.727Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00337441"
    }
  ]
}