{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erythropoiesis+Stimulating+Agent",
    "query": {
      "intervention": "Erythropoiesis Stimulating Agent"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 55,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erythropoiesis+Stimulating+Agent&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T13:57:00.485Z",
  "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": "NCT01478971",
      "title": "Conversion Study From Epoetin Alfa to Monthly Peginesatide Injection in Patients With Chronic Kidney Disease on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Epoetin",
          "type": "DRUG"
        },
        {
          "name": "Peginesatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 184,
      "start_date": "2011-10",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2016-09-20",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 5,
      "location_summary": "Sacramento, California • San Diego, California • San Jose, California + 2 more",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "North Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01478971"
    },
    {
      "nct_id": "NCT06520826",
      "title": "Vafseo Outcomes In-Center Experience",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia of Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Vadadustat",
          "type": "DRUG"
        },
        {
          "name": "Erythropoiesis Stimulating Agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "USRC Kidney Research",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2200,
      "start_date": "2024-11-20",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 5,
      "location_summary": "Lone Tree, Colorado • Dalton, Georgia • Gallup, New Mexico + 2 more",
      "locations": [
        {
          "city": "Lone Tree",
          "state": "Colorado"
        },
        {
          "city": "Dalton",
          "state": "Georgia"
        },
        {
          "city": "Gallup",
          "state": "New Mexico"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Live Oak",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06520826"
    },
    {
      "nct_id": "NCT03011034",
      "title": "Study to Separately Evaluate the Activity of Talacotuzumab (JNJ-56022473) or Daratumumab in Transfusion-Dependent Participants With Low or Intermediate-1 Risk Myelodysplastic Syndromes (MDS) Who Are Relapsed or Refractory to Erythropoiesis-Stimulating Agent (ESA) Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Talacotuzumab",
          "type": "DRUG"
        },
        {
          "name": "Daratumumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2017-02-14",
      "completion_date": "2021-10-05",
      "has_results": true,
      "last_update_posted_date": "2025-03-04",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Philadelphia, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011034"
    },
    {
      "nct_id": "NCT02598661",
      "title": "Study to Evaluate Imetelstat (GRN163L) in Participants With International Prognostic Scoring System (IPSS) Low or Intermediate-1 Risk Myelodysplastic Syndrome (MDS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Myelodysplastic Syndromes"
      ],
      "interventions": [
        {
          "name": "Imetelstat Sodium",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Geron Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 289,
      "start_date": "2016-01-12",
      "completion_date": "2026-10-13",
      "has_results": true,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Bakersfield, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02598661"
    },
    {
      "nct_id": "NCT00597753",
      "title": "Safety & Efficacy of Peginesatide for Maintenance Treatment of Anemia in Participants With Chronic Kidney Disease on Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Renal Failure",
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "type": "DRUG"
        },
        {
          "name": "Epoetin Alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Affymax",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 803,
      "start_date": "2007-09",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2013-02-12",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 89,
      "location_summary": "Paragould, Arkansas • Fairfield, California • Granada Hills, California + 76 more",
      "locations": [
        {
          "city": "Paragould",
          "state": "Arkansas"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Los Alamitos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597753"
    },
    {
      "nct_id": "NCT01587924",
      "title": "4 Week Switch Study in Hemodialysis-dependent Subjects With Anemia Associated With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anaemia"
      ],
      "interventions": [
        {
          "name": "GSK1278863",
          "type": "DRUG"
        },
        {
          "name": "rhEPO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "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": 80,
      "start_date": "2012-05-23",
      "completion_date": "2013-05-27",
      "has_results": true,
      "last_update_posted_date": "2017-11-14",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 42,
      "location_summary": "Paragould, Arizona • Tempe, Arizona • Pine Bluff, Arkansas + 34 more",
      "locations": [
        {
          "city": "Paragould",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01587924"
    },
    {
      "nct_id": "NCT01414075",
      "title": "Study of Roxadustat (FG-4592) to Correct Anemia in Newly Initiated Dialysis Participants Not on Erythropoiesis-Stimulating Agent Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dialysis",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Roxadustat",
          "type": "DRUG"
        },
        {
          "name": "Oral Iron",
          "type": "DRUG"
        },
        {
          "name": "IV Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kyntra Bio",
      "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": 60,
      "start_date": "2011-07-21",
      "completion_date": "2013-01-10",
      "has_results": true,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 3,
      "location_summary": "Northridge, California • Yuba City, California • Detroit, Michigan",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Yuba City",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01414075"
    },
    {
      "nct_id": "NCT00364832",
      "title": "A Study of Subcutaneous (sc) Mircera in Dialysis 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": 137,
      "start_date": "2001-10",
      "completion_date": "2005-07",
      "has_results": true,
      "last_update_posted_date": "2016-12-20",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • San Jose, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00364832"
    },
    {
      "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": "2026-09-21T13:57:00.485Z",
      "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": "NCT03140722",
      "title": "Study to Evaluate Vadadustat for Anemia in Subjects With Dialysis-Dependent Chronic Kidney Disease (DD-CKD) Who Are Hyporesponsive to Erythropoiesis Stimulating Agents",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Dialysis-Dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "vadadustat",
          "type": "DRUG"
        },
        {
          "name": "epoetin 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": 2,
      "start_date": "2017-05-02",
      "completion_date": "2018-03-21",
      "has_results": true,
      "last_update_posted_date": "2021-02-21",
      "last_synced_at": "2026-09-21T13:57:00.485Z",
      "location_count": 18,
      "location_summary": "Bakersfield, California • Elk Grove, California • Encino, California + 15 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Elk Grove",
          "state": "California"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Lynwood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03140722"
    }
  ]
}