{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hyperparathyroidism%3B+Secondary%2C+Renal&page=4",
    "query": {
      "condition": "Hyperparathyroidism; Secondary, Renal",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 74,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hyperparathyroidism%3B+Secondary%2C+Renal&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hyperparathyroidism%3B+Secondary%2C+Renal&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T22:52:44.815Z",
  "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": "NCT05832931",
      "title": "Parathyroid Hormone (PTH) Attenuation Trial in Hemodialysis-1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "End-stage Kidney Disease (ESKD)"
      ],
      "interventions": [
        {
          "name": "PLS240",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open-Label Extension PLS240",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pathalys Pharma",
      "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": 362,
      "start_date": "2023-04-28",
      "completion_date": "2025-07-28",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 49,
      "location_summary": "Pine Bluff, Arkansas • Anaheim, California • Beverly Hills, California + 41 more",
      "locations": [
        {
          "city": "Pine Bluff",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Fairfield",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05832931"
    },
    {
      "nct_id": "NCT05836220",
      "title": "Parathyroid Hormone (PTH) Attenuation Trial in Hemodialysis-2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "End Stage Kidney Disease"
      ],
      "interventions": [
        {
          "name": "PLS240",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Open-Label Extension PLS240",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pathalys Pharma",
      "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": 412,
      "start_date": "2023-05-15",
      "completion_date": "2025-08-05",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 50,
      "location_summary": "Anaheim, California • Chula Vista, California • Escondido, California + 43 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Escondido",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05836220"
    },
    {
      "nct_id": "NCT00958451",
      "title": "Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Paricalcitol",
          "type": "DRUG"
        },
        {
          "name": "Ergocalciferol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 80,
      "start_date": "2009-07",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2011-03-24",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 1,
      "location_summary": "Salem, Virginia",
      "locations": [
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00958451"
    },
    {
      "nct_id": "NCT01426724",
      "title": "Effects of Vitamin D on Renal Blood Flow, Proteinuria and Inflammation in Patients With Chronic Kidney Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Contrast Enhanced Ultrasonography",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-09",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2014-05-21",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01426724"
    },
    {
      "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": "2026-10-08T22:52:44.815Z",
      "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": "NCT00427037",
      "title": "Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Atlanta VA Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 34,
      "start_date": "2005-12",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2015-07-22",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00427037"
    },
    {
      "nct_id": "NCT01191762",
      "title": "Sevelamer and Secondary Hyperparathyroidism in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "sevelamer carbonate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kenneth R. Phelps, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 30,
      "start_date": "2010-04",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2016-11-01",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01191762"
    },
    {
      "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": "2026-10-08T22:52:44.815Z",
      "location_count": 1,
      "location_summary": "Bannockburn, Illinois",
      "locations": [
        {
          "city": "Bannockburn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01651000"
    },
    {
      "nct_id": "NCT00742716",
      "title": "Safety Study of CTA018 Injection to Treat Stage 5 Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Secondary Hyperparathyroidism",
        "Chronic Renal Insufficiency",
        "Chronic Renal Failure"
      ],
      "interventions": [
        {
          "name": "CTA018 Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OPKO IP Holdings II, Inc.",
      "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": 41,
      "start_date": "2008-10",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2014-11-06",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 5,
      "location_summary": "Pembroke Pines, Florida • Meridian, Idaho • Springfield, Massachusetts + 2 more",
      "locations": [
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        },
        {
          "city": "Meridian",
          "state": "Idaho"
        },
        {
          "city": "Springfield",
          "state": "Massachusetts"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00742716"
    },
    {
      "nct_id": "NCT01896232",
      "title": "Head-to-Head Study of Etelcalcetide (AMG 416) and Cinacalcet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Etelcalcetide",
          "type": "DRUG"
        },
        {
          "name": "Cinacalcet",
          "type": "DRUG"
        },
        {
          "name": "Oral Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intravenous Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 683,
      "start_date": "2013-08-13",
      "completion_date": "2015-01-08",
      "has_results": true,
      "last_update_posted_date": "2019-07-18",
      "last_synced_at": "2026-10-08T22:52:44.815Z",
      "location_count": 41,
      "location_summary": "Azusa, California • Bakersfield, California • Chula Vista, California + 37 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01896232"
    }
  ]
}