{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erythropoietin+%28EPO%29",
    "query": {
      "intervention": "Erythropoietin (EPO)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 234,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erythropoietin+%28EPO%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T19:32:16.377Z",
  "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": "NCT00223938",
      "title": "Study of the Efficacy and Safety of Ferrlecit in the Maintenance Dosing in Hemodialysis Patients.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Oral Iron",
          "type": "DRUG"
        },
        {
          "name": "sodium ferric gluconate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2003-12-30",
      "completion_date": "2007-04-27",
      "has_results": false,
      "last_update_posted_date": "2021-06-24",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 8,
      "location_summary": "Hot Springs, Arkansas • Orange County, California • Simi Valley, California + 5 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Orange County",
          "state": "California"
        },
        {
          "city": "Simi Valley",
          "state": "California"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223938"
    },
    {
      "nct_id": "NCT00004914",
      "title": "Exercise Plus Epoetin Alfa in Treating Cancer Patients Who Have Anemia-Related Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Fatigue",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "epoetin alfa",
          "type": "BIOLOGICAL"
        },
        {
          "name": "physical therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2000-01",
      "completion_date": "2001-12",
      "has_results": false,
      "last_update_posted_date": "2012-06-06",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004914"
    },
    {
      "nct_id": "NCT00077610",
      "title": "A Study of Intravenous Mircera for the Treatment of Anemia in Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Epoetin alfa or beta",
          "type": "DRUG"
        },
        {
          "name": "RO0503821 (1x/2 Weeks)",
          "type": "DRUG"
        },
        {
          "name": "RO0503821 (1x/4 Weeks)",
          "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": 673,
      "start_date": "2004-02",
      "completion_date": "2005-08",
      "has_results": true,
      "last_update_posted_date": "2017-01-13",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 60,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 51 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00077610"
    },
    {
      "nct_id": "NCT00224068",
      "title": "Effect of Iron Therapy as an Adjunct to Epoetin Alfa in the Anemia of Cancer Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Sodium ferric gluconate, ferrous sulfate, standard of care",
          "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": 180,
      "start_date": "2002-05",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2012-03-02",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 32,
      "location_summary": "Bakersfield, California • Chula Vista, California • Long Beach, California + 29 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Norwich",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224068"
    },
    {
      "nct_id": "NCT01975818",
      "title": "Maintenance Treatment of Anemia Associated With Chronic Kidney Disease (CKD) in Hemodialysis Subjects on Epoetin Alfa / Beta Treatment Versus BAY85-3934",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Renal Insufficiency, Chronic"
      ],
      "interventions": [
        {
          "name": "Molidustat (BAY 85-3934)",
          "type": "DRUG"
        },
        {
          "name": "Epoetin alfa/beta",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 201,
      "start_date": "2013-10-28",
      "completion_date": "2015-12-15",
      "has_results": false,
      "last_update_posted_date": "2019-09-20",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 30,
      "location_summary": "Azusa, California • Long Beach, California • Los Angeles, California + 21 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Lynwood",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01975818"
    },
    {
      "nct_id": "NCT02865850",
      "title": "Efficacy and Safety Study to Evaluate Vadadustat for the Correction or Maintenance Treatment of Anemia in Participants With Incident 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": 369,
      "start_date": "2016-07",
      "completion_date": "2020-03-30",
      "has_results": true,
      "last_update_posted_date": "2022-07-18",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 54,
      "location_summary": "Huntsville, Alabama • Mesa, Arizona • Anaheim, California + 45 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Canyon Country",
          "state": "California"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02865850"
    },
    {
      "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": "2026-09-30T19:32:16.377Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00337441"
    },
    {
      "nct_id": "NCT01473407",
      "title": "A Phase 3 Study Comparing the Effects of Intravenous Epoetin Hospira and Epoetin Alfa [Epogen] (Amgen) in Patients With Chronic Renal Failure Requiring Hemodialysis and Receiving Epoetin Maintenance Treatment. AiME - Anemia Management With Epoetin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Chronic Renal Failure"
      ],
      "interventions": [
        {
          "name": "Epoetin Hospira",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Epogen (Amgen)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 612,
      "start_date": "2012-01-31",
      "completion_date": "2014-02-11",
      "has_results": true,
      "last_update_posted_date": "2018-09-10",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 84,
      "location_summary": "Montgomery, Alabama • Tempe, Arizona • Alhambra, California + 65 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01473407"
    },
    {
      "nct_id": "NCT00520468",
      "title": "Treatment of Myelodysplastic Syndrome (MDS) With Cytokine-Immunotherapy for Low-Risk MDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome"
      ],
      "interventions": [
        {
          "name": "Erythropoietin",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporin A",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2004-06",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2012-08-07",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00520468"
    },
    {
      "nct_id": "NCT00454246",
      "title": "A Study of Mircera in Hemoglobin Control of Patients Transitioning to Dialysis.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "methoxy polyethylene glycol-epoetin beta",
          "type": "DRUG"
        },
        {
          "name": "epoetin alfa",
          "type": "DRUG"
        },
        {
          "name": "darbepoetin alfa",
          "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": 111,
      "start_date": "2007-04",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2011-12-16",
      "last_synced_at": "2026-09-30T19:32:16.377Z",
      "location_count": 78,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 75 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "El Dorado",
          "state": "Arkansas"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00454246"
    }
  ]
}