{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lanthanum+Carbonate",
    "query": {
      "intervention": "Lanthanum Carbonate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lanthanum+Carbonate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T14:15:34.894Z",
  "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": "NCT00843349",
      "title": "Fibroblast Growth Factor-23 (FGF23) Reduction in Predialysis Chronic Kidney Disease (CKD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Lanthanum Carbonate",
          "type": "DRUG"
        },
        {
          "name": "900 mg Phosphate Diet",
          "type": "OTHER"
        },
        {
          "name": "LC Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ad Libitum Diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Myles Wolf",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2009-07",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-06-07",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00843349"
    },
    {
      "nct_id": "NCT00880750",
      "title": "Pharmacodynamic Study of Two Lanthanum Carbonate Formulations in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Lanthanum carbonate Granule Formulation",
          "type": "DRUG"
        },
        {
          "name": "Lanthanum carbonate Chewable Tablets (Fosrenol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 72,
      "start_date": "2009-01-28",
      "completion_date": "2009-06-22",
      "has_results": true,
      "last_update_posted_date": "2021-06-11",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880750"
    },
    {
      "nct_id": "NCT01357317",
      "title": "Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Diet counseling",
          "type": "OTHER"
        },
        {
          "name": "Phosphorus binder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Salem Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2011-06",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Salem, Virginia",
      "locations": [
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01357317"
    },
    {
      "nct_id": "NCT01560884",
      "title": "Study to Assess the Safety and the Phosphate Binding Capacity of Renazorb",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Safety",
        "Phosphate Binding Capacity"
      ],
      "interventions": [
        {
          "name": "Renazorb 1500 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Renazorb 3000 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Renazorb 4500 mg/day",
          "type": "DRUG"
        },
        {
          "name": "Renazorb 6000 mg/day",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Spectrum Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2012-04",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-11-08",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01560884"
    },
    {
      "nct_id": "NCT02258074",
      "title": "The COMBINE Study: The CKD Optimal Management With BInders and NicotinamidE",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Nicotinamide",
          "type": "DRUG"
        },
        {
          "name": "Lanthanum Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for Nicotinamide)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (for lanthanum carbonate)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 205,
      "start_date": "2015-03",
      "completion_date": "2019-09",
      "has_results": true,
      "last_update_posted_date": "2021-08-02",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Denver, Colorado • Washington D.C., District of Columbia + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02258074"
    },
    {
      "nct_id": "NCT03136705",
      "title": "Healthy Combine Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Nicotinamide",
          "type": "DRUG"
        },
        {
          "name": "Lanthanum Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Lanthanum Carbonate Placebo",
          "type": "DRUG"
        },
        {
          "name": "Nicotinamide Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 39,
      "start_date": "2016-02-03",
      "completion_date": "2017-12-01",
      "has_results": true,
      "last_update_posted_date": "2024-02-23",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03136705"
    },
    {
      "nct_id": "NCT00567723",
      "title": "Long Term Treatment of End Stage Renal Disease Patients With Lanthanum Carbonate (Fosrenol)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hyperphosphatemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2105,
      "start_date": "2006-04-25",
      "completion_date": "2016-06-07",
      "has_results": false,
      "last_update_posted_date": "2021-03-17",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 199,
      "location_summary": "Birmingham, Alabama • Hoover, Alabama • Mobile, Alabama + 163 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Hoover",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00567723"
    },
    {
      "nct_id": "NCT00441545",
      "title": "Head to Head Study Against Sevelamer Hydrochloride",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease, Stage 5"
      ],
      "interventions": [
        {
          "name": "Fosrenol (Lanthanum Carbonate)",
          "type": "DRUG"
        },
        {
          "name": "Sevelamer hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 182,
      "start_date": "2007-01-05",
      "completion_date": "2008-07-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-11",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 34,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Tempe, Arizona + 29 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00441545"
    },
    {
      "nct_id": "NCT00458289",
      "title": "Efficacy of Phosphate Binding in Healthy Volunteers: Chewed Versus Crushed Lanthanum Carbonate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperphosphatemia in Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Lanthanum carbonate (chewed vs. crushed)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2007-01",
      "completion_date": "2008-08",
      "has_results": false,
      "last_update_posted_date": "2019-12-20",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00458289"
    },
    {
      "nct_id": "NCT00875017",
      "title": "Comparing Absorption of Dietary Phosphorus When Administering FOSRENOL® or RENVELA® in Healthy Adult Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Kidney Failure, Chronic"
      ],
      "interventions": [
        {
          "name": "Lanthanum Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Sevelamer",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 31,
      "start_date": "2009-04-20",
      "completion_date": "2009-06-16",
      "has_results": true,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-09-25T14:15:34.894Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00875017"
    }
  ]
}