{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Affymax",
    "query": {
      "sponsor": "Affymax"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T15:14:36.029Z",
  "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": "NCT00752609",
      "title": "Safety and Efficacy of Peginesatide Injection for the Maintenance of Anemia in Chronic Renal Failure Participants Who Are on Hemodialysis or Do Not Require Dialysis and Previously Treated With Darbepoetin Alfa.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Peginesatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 102,
      "start_date": "2008-09",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2012-07-27",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Sacramento, California • San Diego, California + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Middlebury",
          "state": "Connecticut"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752609"
    },
    {
      "nct_id": "NCT00228449",
      "title": "Peginesatide for Anemia in Chronic Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia",
        "Chronic Kidney Disease",
        "Chronic Renal Failure"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "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": 165,
      "start_date": "2005-07",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2012-12-21",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Pine Bluff, Arkansas • Los Angeles, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00228449"
    },
    {
      "nct_id": "NCT00598442",
      "title": "Safety and Efficacy of Peginesatide for the Treatment of Anemia in Participants With Chronic Renal Failure Not on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Renal Failure",
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin 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": 493,
      "start_date": "2007-11",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2013-02-12",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 42,
      "location_summary": "Phoenix, Arizona • Fayetteville, Arkansas • Fountain Valley, California + 38 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Granada Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598442"
    },
    {
      "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": "2026-09-25T15:14:36.029Z",
      "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": "NCT00372489",
      "title": "Extension Study to Evaluate Safety and Tolerability of Peginesatide for Long-Term Treatment of Anemia in Participants With CKD",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Renal Failure",
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "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": 81,
      "start_date": "2006-09",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2012-06-29",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 9,
      "location_summary": "Pine Bluff, Arkansas • Mountain View, California • Lauderdale Lakes, Florida + 6 more",
      "locations": [
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00372489"
    },
    {
      "nct_id": "NCT00597584",
      "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 or Epoetin beta",
          "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": 823,
      "start_date": "2007-10",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2013-03-08",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 39,
      "location_summary": "Phoenix, Arizona • Hot Springs, Arkansas • McGehee, Arkansas + 33 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "McGehee",
          "state": "Arkansas"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00597584"
    },
    {
      "nct_id": "NCT00629876",
      "title": "A Safety and Tolerability Study of Peginesatide in Anemic Cancer Patients Receiving Cytotoxic Chemotherapy.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Peginesatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "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": 2,
      "start_date": "2008-01",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2011-12-01",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Corpus Christi, Texas",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Corpus Christi",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00629876"
    },
    {
      "nct_id": "NCT00598273",
      "title": "Safety & Efficacy of Peginesatide for the Treatment of Anemia in Participants With Chronic Renal Failure Not on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Renal Failure",
        "Chronic Kidney Disease",
        "Anemia"
      ],
      "interventions": [
        {
          "name": "peginesatide",
          "type": "DRUG"
        },
        {
          "name": "Darbepoetin 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": 490,
      "start_date": "2007-10",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2013-02-12",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 68,
      "location_summary": "Montgomery, Alabama • Tempe, Arizona • Hot Springs, Arkansas + 62 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00598273"
    },
    {
      "nct_id": "NCT00752791",
      "title": "Efficacy and Safety of Peginesatide Injection for the Maintenance Treatment of Anemia in Peritoneal Dialysis Participants Previously Treated With Epoetin.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Peginesatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 59,
      "start_date": "2008-10",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2012-08-15",
      "last_synced_at": "2026-09-25T15:14:36.029Z",
      "location_count": 19,
      "location_summary": "Azusa, California • Los Angeles, California • Whittier, California + 16 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752791"
    },
    {
      "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": "2026-09-25T15:14:36.029Z",
      "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"
    }
  ]
}