{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ferric+Citrate&page=2",
    "query": {
      "intervention": "Ferric Citrate",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ferric+Citrate&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T18:24:50.604Z",
  "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": "NCT02595437",
      "title": "Triferic Pediatric Pharmacokinetic Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Triferic",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rockwell Medical Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 22,
      "start_date": "2015-11-01",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Loma Linda, California • Stanford, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02595437"
    },
    {
      "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": "2026-09-27T18:24:50.604Z",
      "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": "NCT04523727",
      "title": "Study to Evaluate the Safety and Tolerability of Ferric Citrate in Children With Hyperphosphatemia Related to Chronic Kidney Disease",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperphosphatemia Related to Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "ferric citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Keryx Biopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 45,
      "start_date": "2022-06-16",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04523727"
    },
    {
      "nct_id": "NCT05085275",
      "title": "Ferric Citrate for the Prevention of Renal Failure in Adults With Advanced Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anemia, Iron Deficiency",
        "Hyperphosphatemia",
        "Renal Insufficiency, Chronic",
        "Renal Anemia",
        "Disease Progression",
        "Cardiovascular",
        "Iron"
      ],
      "interventions": [
        {
          "name": "Ferric Citrate 1 GM Oral Tablet [AURYXIA]",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 289,
      "start_date": "2022-03-30",
      "completion_date": "2024-01-24",
      "has_results": true,
      "last_update_posted_date": "2025-08-29",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 23,
      "location_summary": "Pine Bluff, Arkansas • Chula Vista, California • El Centro, California + 16 more",
      "locations": [
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "El Centro",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05085275"
    },
    {
      "nct_id": "NCT04741646",
      "title": "Ferric Citrate and Chronic Kidney Disease in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Ferric Citrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 160,
      "start_date": "2022-06-17",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 18,
      "location_summary": "Los Angeles, California • Orange, California • San Francisco, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04741646"
    },
    {
      "nct_id": "NCT01736397",
      "title": "Ferric Citrate in Managing Serum Phosphorus and Iron Deficiency in Anemic Chronic Kidney Disease (CKD) Subjects Not on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Iron Deficiency",
        "Iron Deficiency Anemia"
      ],
      "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": 149,
      "start_date": "2012-11",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-10-20",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 20,
      "location_summary": "Tempe, Arizona • La Mesa, California • Sacramento, California + 17 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Edgewater",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01736397"
    },
    {
      "nct_id": "NCT01191255",
      "title": "A 58-Week Safety and Efficacy Trial of Ferric Citrate in Patients With ESRD on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperphosphatemia",
        "Kidney Failure"
      ],
      "interventions": [
        {
          "name": "ferric citrate, ca acetate, sevelamer carbonate, 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": 441,
      "start_date": "2010-10",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-12-10",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 52,
      "location_summary": "Tempe, Arizona • Los Angeles, California • Riverside, California + 45 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01191255"
    },
    {
      "nct_id": "NCT03055598",
      "title": "Ferric Citrate in ESRD Pilot Project",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "End Stage Renal Disease",
        "Chronic Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Ferric Citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sreedhar Mandayam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-05-11",
      "completion_date": "2020-02",
      "has_results": false,
      "last_update_posted_date": "2019-04-17",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03055598"
    },
    {
      "nct_id": "NCT04239391",
      "title": "Hemoglobin Maintenance in Pediatric ESRD (End-stage Renal Disease) Patients by Ferric Pyrophosphate Citrate (FPC)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Triferic",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rockwell Medical Technologies, 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": 150,
      "start_date": "2020-09-01",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2021-04-21",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 8,
      "location_summary": "Loma Linda, California • Washington D.C., District of Columbia • Indianapolis, Indiana + 5 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239391"
    },
    {
      "nct_id": "NCT01074125",
      "title": "A 4-Week Dose-Ranging and Efficacy Trial of KRX-0502 (Ferric Citrate) in Patients With End-Stage Renal Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperphosphatemia",
        "End-Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "ferric citrate",
          "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": 154,
      "start_date": "2010-05",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-09-27T18:24:50.604Z",
      "location_count": 15,
      "location_summary": "Westminster, Colorado • Pembroke Pines, Florida • Augusta, Georgia + 10 more",
      "locations": [
        {
          "city": "Westminster",
          "state": "Colorado"
        },
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01074125"
    }
  ]
}