{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Kidney+Disease%3B+Iron+Deficiency+Anemia",
    "query": {
      "condition": "Chronic Kidney Disease; Iron Deficiency Anemia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Kidney+Disease%3B+Iron+Deficiency+Anemia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:16:23.381Z",
  "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": "NCT02268994",
      "title": "KRX-0502 (Ferric Citrate) for the Treatment of IDA in Adult Subjects With NDD-CKD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia of Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "ferric citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Keryx Biopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 234,
      "start_date": "2014-10",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-22",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 36,
      "location_summary": "Phoenix, Arizona • Tempe, Arizona • Glendale, California + 29 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "La Palma",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02268994"
    },
    {
      "nct_id": "NCT01155388",
      "title": "A Trial of Ferumoxytol for the Treatment of Iron Deficiency Anemia in Pediatric Participants With Nondialysis-Dependent Chronic Kidney Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Iron Deficiency Anemia",
        "Nondialysis-dependent Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol",
          "type": "DRUG"
        },
        {
          "name": "Oral Iron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AMAG Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Months to 17 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-10-17",
      "completion_date": "2014-06-24",
      "has_results": true,
      "last_update_posted_date": "2022-04-28",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 1,
      "location_summary": "Waltham, Massachusetts",
      "locations": [
        {
          "city": "Waltham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01155388"
    },
    {
      "nct_id": "NCT02968368",
      "title": "Study With Oral Ferric Maltol for the Treatment of Iron Deficiency Anemia in Subjects With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Renal Insufficiency, Chronic",
        "Iron-Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Ferric maltol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Shield Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 167,
      "start_date": "2016-12-01",
      "completion_date": "2018-10-10",
      "has_results": true,
      "last_update_posted_date": "2020-11-02",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 27,
      "location_summary": "Peoria, Arizona • Phoenix, Arizona • Prescott, Arizona + 24 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Prescott",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02968368"
    },
    {
      "nct_id": "NCT03236246",
      "title": "KRX-0502 (Ferric Citrate) in Subjects With NDD-CKD and IDA (The COMPASS Trial)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Kidney Diseases",
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "KRX-0502",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Keryx Biopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 206,
      "start_date": "2017-08-15",
      "completion_date": "2019-09-27",
      "has_results": true,
      "last_update_posted_date": "2021-03-12",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 28,
      "location_summary": "Phoenix, Arizona • Chula Vista, California • El Centro, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "Poway",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03236246"
    },
    {
      "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": "2026-05-22T08:16:23.381Z",
      "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": "NCT00534144",
      "title": "Comparison Between Effects of Two Iron Preparations on Protein in the Urine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Kidney Failure, Chronic",
        "Anemia, Iron-Deficiency"
      ],
      "interventions": [
        {
          "name": "iron sucrose injection, USP",
          "type": "DRUG"
        },
        {
          "name": "sodium ferric gluconate complex in sucrose injection",
          "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": 74,
      "start_date": "2007-09",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2011-09-23",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Alhambra, California • Bell Gardens, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Bell Gardens",
          "state": "California"
        },
        {
          "city": "Exeter",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534144"
    },
    {
      "nct_id": "NCT00224055",
      "title": "Effect of Ferrlecit® Versus Oral Iron on Iron Deficient Chronic Kidney Disease (CKD) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anemia, Iron-Deficiency",
        "Kidney Failure, Chronic"
      ],
      "interventions": [
        {
          "name": "Sodium Ferric Gluconate Complex in Sucrose Injection",
          "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": 89,
      "start_date": "2003-04",
      "completion_date": "2004-09",
      "has_results": true,
      "last_update_posted_date": "2012-03-29",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 23,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Palo Alto, California + 20 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224055"
    },
    {
      "nct_id": "NCT03633656",
      "title": "Iron Dosing Pilot Study Using Model Predictive Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Insufficiency, Chronic",
        "Anemia, Iron Deficiency",
        "Anemia of Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Model predictive control",
          "type": "DEVICE"
        },
        {
          "name": "Model Predictive Control of Iron Dosing",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-02-01",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-04-13",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03633656"
    },
    {
      "nct_id": "NCT03106298",
      "title": "Iron Deficiency and FGF23 Regulation in CKD and HF",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Diseases",
        "Chronic Heart Failure",
        "Iron Deficiency Anemia"
      ],
      "interventions": [
        {
          "name": "Iron Sucrose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 77,
      "start_date": "2015-12-18",
      "completion_date": "2018-08-01",
      "has_results": false,
      "last_update_posted_date": "2019-03-20",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03106298"
    },
    {
      "nct_id": "NCT01719146",
      "title": "Prospective Observational Study of Erythropoietin-Iron Interaction in Anemia of Renal Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia of End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Specimen collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 134,
      "start_date": "2013-01",
      "completion_date": "2021-06-05",
      "has_results": false,
      "last_update_posted_date": "2022-10-27",
      "last_synced_at": "2026-05-22T08:16:23.381Z",
      "location_count": 3,
      "location_summary": "Louisville, Kentucky • Springfield, Massachusetts • Durham, North Carolina",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01719146"
    }
  ]
}