{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Phosphorus+Metabolism&page=2",
    "query": {
      "condition": "Phosphorus Metabolism",
      "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?condition=Phosphorus+Metabolism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T10:13:05.046Z",
  "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": "NCT06933472",
      "title": "A Study of a Novel Iron-based Phosphate Binder AP301 in Patients With Hyperphosphatemia in the U.S. and China",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperphosphatemia",
        "Chronic Kidney Disease, Receiving Dialysis",
        "ESRD (End-Stage Renal Disease)",
        "Dialysis"
      ],
      "interventions": [
        {
          "name": "AP301",
          "type": "DRUG"
        },
        {
          "name": "AP301 Low Dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alebund Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 264,
      "start_date": "2025-06-13",
      "completion_date": "2027-01-10",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 18,
      "location_summary": "Granada Hills, California • San Dimas, California • Lone Tree, Colorado + 14 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "San Dimas",
          "state": "California"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        },
        {
          "city": "Orange",
          "state": "Connecticut"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06933472"
    },
    {
      "nct_id": "NCT01238588",
      "title": "The Effect(s) of Sevelamer Carbonate (Renvela) on Atherosclerotic Plaque Inflammation Judged by FDG-PET Scan",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dialysis",
        "Cardiovascular Disease",
        "Atherosclerosis",
        "Inflammation",
        "Hyperphosphatemia"
      ],
      "interventions": [
        {
          "name": "Sevelamer Carbonate (Renvela)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2011-06-10",
      "completion_date": "2016-04-08",
      "has_results": true,
      "last_update_posted_date": "2017-07-31",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 10,
      "location_summary": "Boston, Massachusetts • Framingham, Massachusetts • Marlborough, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Framingham",
          "state": "Massachusetts"
        },
        {
          "city": "Marlborough",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01238588"
    },
    {
      "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": "2026-07-23T10:13:05.046Z",
      "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"
    },
    {
      "nct_id": "NCT03305471",
      "title": "DS2330b Alone and With Sevelamer in Patients on Chronic Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperphosphatemia"
      ],
      "interventions": [
        {
          "name": "DS-2330b PIB",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Sevelamer",
          "type": "DRUG"
        },
        {
          "name": "DS-2330b Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "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": 40,
      "start_date": "2017-08-17",
      "completion_date": "2019-01-03",
      "has_results": false,
      "last_update_posted_date": "2019-03-25",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 4,
      "location_summary": "Lakewood, Colorado • Orlando, Florida • Minneapolis, Minnesota + 1 more",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03305471"
    },
    {
      "nct_id": "NCT00316472",
      "title": "The Effect of Oral Niacinamide on Serum Phosphorus Levels in Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperphosphatemia"
      ],
      "interventions": [
        {
          "name": "Niacinamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-04",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2009-01-16",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316472"
    },
    {
      "nct_id": "NCT01725113",
      "title": "Management of Mineral and Bone Disease in Hemodialysis-Calcitriol vs. Paricalcitol",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Failure",
        "Secondary Hyperparathyroidism",
        "Hyperphosphatemia",
        "Hypercalcemia"
      ],
      "interventions": [
        {
          "name": "Calcitriol",
          "type": "DRUG"
        },
        {
          "name": "Paricalcitol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Winthrop University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2012-11",
      "completion_date": "2015-10",
      "has_results": true,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 1,
      "location_summary": "Mineola, New York",
      "locations": [
        {
          "city": "Mineola",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01725113"
    },
    {
      "nct_id": "NCT02233322",
      "title": "Iron Therapy for Autosomal Dominant Hypophosphatemic Rickets: A Pilot Project.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Autosomal Dominant Hypophosphatemic Rickets"
      ],
      "interventions": [
        {
          "name": "Iron",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Months and older"
      },
      "enrollment_count": 8,
      "start_date": "2014-08",
      "completion_date": "2019-11-12",
      "has_results": false,
      "last_update_posted_date": "2019-11-14",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02233322"
    },
    {
      "nct_id": "NCT04549597",
      "title": "Study to Evaluate the Use of Tenapanor as Core Therapy in the Treatment of Hyperphosphatemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Kidney Disease Requiring Chronic Dialysis",
        "Hyperphosphatemia"
      ],
      "interventions": [
        {
          "name": "Tenapanor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ardelyx",
      "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": 333,
      "start_date": "2020-11-20",
      "completion_date": "2021-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-03-29",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 1,
      "location_summary": "Lauderdale Lakes, Florida",
      "locations": [
        {
          "city": "Lauderdale Lakes",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549597"
    },
    {
      "nct_id": "NCT01011114",
      "title": "Using Cinacalcet to Treat the Hypophosphatemia of Early Kidney Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypophosphatemia",
        "Renal Transplant"
      ],
      "interventions": [
        {
          "name": "Cinacalcet",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2009-11",
      "completion_date": "2015-10-15",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-07-23T10:13:05.046Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01011114"
    },
    {
      "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": "2026-07-23T10:13:05.046Z",
      "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"
    }
  ]
}