{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Epoetin+alfa+once+every+two+weeks",
    "query": {
      "intervention": "Epoetin alfa once every two weeks"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Epoetin+alfa+once+every+two+weeks&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T22:28:19.357Z",
  "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": "NCT00440557",
      "title": "An Efficacy and Safety Study of Epoetin Alfa for Initiation and Maintenance Treatment of Patients With Anemia Associated With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Epoetin alfa 3 times weekly /once weekly",
          "type": "DRUG"
        },
        {
          "name": "Epoetin alfa once weekly",
          "type": "DRUG"
        },
        {
          "name": "Epoetin alfa once every two weeks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 375,
      "start_date": "2006-09",
      "completion_date": "2008-02",
      "has_results": true,
      "last_update_posted_date": "2014-05-07",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 61,
      "location_summary": "Glendale, Arizona • Tempe, Arizona • Chula Vista, California + 58 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00440557"
    },
    {
      "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": "2026-10-05T22:28:19.357Z",
      "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": "NCT00070382",
      "title": "Darbepoetin Alfa Compared With Epoetin Alfa in Treating Anemia in Patients Receiving Chemotherapy for Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Leukemia",
        "Lymphoma",
        "Lymphoproliferative Disorder",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Precancerous/Nonmalignant Condition",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "darbepoetin alfa",
          "type": "DRUG"
        },
        {
          "name": "epoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2003-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2020-08-03",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00070382"
    },
    {
      "nct_id": "NCT00077623",
      "title": "A Study of Subcutaneous 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": "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": 572,
      "start_date": "2004-03",
      "completion_date": "2005-09",
      "has_results": true,
      "last_update_posted_date": "2016-05-25",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 17,
      "location_summary": "Hot Springs, Arkansas • Los Angeles, California • Riverside, California + 14 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00077623"
    },
    {
      "nct_id": "NCT00386152",
      "title": "A Study Comparing Two Different PROCRIT Doses to a Dose of ARANESP in Anemic Cancer Patients Receiving Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neoplasms",
        "Anemia",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "epoetin alfa",
          "type": "DRUG"
        },
        {
          "name": "darbepoetin alfa",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2006-11",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2013-07-19",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 76,
      "location_summary": "Glendale, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 73 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00386152"
    },
    {
      "nct_id": "NCT00436748",
      "title": "Study to Assess Darbepoetin Alfa Dosing for the Correction of Anemia in Pediatric Patients With Chronic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia",
        "Chronic Kidney Disease",
        "Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Darbepoetin Alfa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Year to 18 Years"
      },
      "enrollment_count": 116,
      "start_date": "2008-09-16",
      "completion_date": "2014-03-03",
      "has_results": true,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 36 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00436748"
    },
    {
      "nct_id": "NCT00048048",
      "title": "A Study of Mircera in Anemic Patients With Chronic Kidney Disease Not Yet on Dialysis.",
      "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": 65,
      "start_date": "2002-03",
      "completion_date": "2004-11",
      "has_results": true,
      "last_update_posted_date": "2018-01-02",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • San Diego, California • Detroit, Michigan + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00048048"
    },
    {
      "nct_id": "NCT00358215",
      "title": "RED-HF™ Trial - Reduction of Events With Darbepoetin Alfa in Heart Failure Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure",
        "Anemia",
        "Cardiovascular Disease",
        "Ventricular Dysfunction",
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Darbepoetin alfa",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2278,
      "start_date": "2006-06-01",
      "completion_date": "2012-10-11",
      "has_results": true,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 254,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 195 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00358215"
    },
    {
      "nct_id": "NCT00081471",
      "title": "A Study of Mircera in the Treatment of Anemia in Patients With Chronic Kidney Disease Not on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "darbepoetin alfa",
          "type": "DRUG"
        },
        {
          "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": 324,
      "start_date": "2004-06",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-10-05T22:28:19.357Z",
      "location_count": 22,
      "location_summary": "Los Angeles, California • Mather, California • Stanford, California + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mather",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Bay Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00081471"
    },
    {
      "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": "2026-10-05T22:28:19.357Z",
      "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"
    }
  ]
}