{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Kidney+Disease%2C+Secondary+Hyperparathyroidism",
    "query": {
      "condition": "Chronic Kidney Disease, Secondary Hyperparathyroidism"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 67,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Kidney+Disease%2C+Secondary+Hyperparathyroidism&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T22:47:37.668Z",
  "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": "NCT03626246",
      "title": "Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease",
        "End Stage Kidney Disease",
        "Chronic Kidney Disease Mineral and Bone Disorder",
        "Renal Osteodystrophy",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Kidney disease",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2016-07-01",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03626246"
    },
    {
      "nct_id": "NCT00463021",
      "title": "A Phase 4 Study to Determine Dosing of Hectorol® Capsules When Converting From Zemplar® Injection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Hectorol (doxercalciferol capsules)",
          "type": "DRUG"
        },
        {
          "name": "Zemplar (paricalcitol injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2007-04",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-05",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 8,
      "location_summary": "Downey, California • Paramount, California • Hudson, Florida + 5 more",
      "locations": [
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Paramount",
          "state": "California"
        },
        {
          "city": "Hudson",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00463021"
    },
    {
      "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": "2026-07-23T22:47:37.668Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00316472"
    },
    {
      "nct_id": "NCT03588884",
      "title": "Repeated-dose Safety, Efficacy, Pharmacokinetic and Pharmacodynamic of CTAP101, Immediate-release Calcifediol, High-dose Cholecalciferol, and Paricalcitol Plus Low-dose Cholecalciferol in Patients With Secondary Hyperparathyroidism, Chronic Kidney Disease 3-4 and Vitamin D Insufficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism Due to Renal Causes",
        "Vitamin D Insufficiency",
        "CKD Stage 3",
        "CKD Stage 4"
      ],
      "interventions": [
        {
          "name": "Calcifediol Oral Capsule",
          "type": "DRUG"
        },
        {
          "name": "Calcifediol Oral Product",
          "type": "DRUG"
        },
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        },
        {
          "name": "Paricalcitol Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OPKO Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2018-06-08",
      "completion_date": "2020-04-24",
      "has_results": true,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 3,
      "location_summary": "Garden Grove, California • Chicago, Illinois • West Bend, Wisconsin",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "West Bend",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03588884"
    },
    {
      "nct_id": "NCT01651000",
      "title": "Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Hyperparathyroidism, Secondary",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "CTAP101 30 μg capsules",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill to CTAP101 30 μg capsules",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "OPKO IP Holdings II, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 213,
      "start_date": "2012-09",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2025-01-13",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 1,
      "location_summary": "Bannockburn, Illinois",
      "locations": [
        {
          "city": "Bannockburn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01651000"
    },
    {
      "nct_id": "NCT00004340",
      "title": "Phase II Randomized Study of the Effects of Growth Hormone on Children and Adolescents on Maintenance Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Renal Osteodystrophy",
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "calcitriol",
          "type": "DRUG"
        },
        {
          "name": "growth hormone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Year to 18 Years"
      },
      "enrollment_count": 109,
      "start_date": "1995-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004340"
    },
    {
      "nct_id": "NCT01785875",
      "title": "Extension Study of Etelcalcetide in the Treatment of Secondary Hyperparathyroidism (SHPT) in Patients With Chronic Kidney Disease (CKD) on Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperparathyroidism, Secondary"
      ],
      "interventions": [
        {
          "name": "Etelcalcetide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 891,
      "start_date": "2013-07-31",
      "completion_date": "2015-07-01",
      "has_results": true,
      "last_update_posted_date": "2019-04-10",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 101,
      "location_summary": "Birmingham, Alabama • Pine Bluff, Arkansas • Azusa, California + 86 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01785875"
    },
    {
      "nct_id": "NCT00999037",
      "title": "FGF-23 (Fibroblast Growth Factor 23) Regulation in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Sevelamer Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 18,
      "start_date": "2009-10",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2023-05-31",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00999037"
    },
    {
      "nct_id": "NCT00053547",
      "title": "Safety and Effectiveness of Zemplar Injection in Decreasing iPTH Levels in Pediatric ESRD Subjects on Hemodialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "paricalcitol injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "2 Years to 20 Years"
      },
      "enrollment_count": 28,
      "start_date": "2002-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-08-02",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 6,
      "location_summary": "Stanford, California • Miami, Florida • Buffalo, New York + 2 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00053547"
    },
    {
      "nct_id": "NCT03602261",
      "title": "Safety, Efficacy, PK and PD of CTAP101 (Calcifediol) ER Capsules for SHPT in HD Patients VDI",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism Due to Renal Causes",
        "Chronic Kidney Diseases",
        "Vitamin D Deficiency",
        "Stage 5 Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Calcifediol Oral Capsule",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OPKO Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2018-07-09",
      "completion_date": "2021-02-24",
      "has_results": true,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-07-23T22:47:37.668Z",
      "location_count": 18,
      "location_summary": "Peoria, Arizona • Phoenix, Arizona • Cypress, California + 13 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03602261"
    }
  ]
}