{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calcium+Metabolism&page=2",
    "query": {
      "condition": "Calcium 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=Calcium+Metabolism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T04:47:03.801Z",
  "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": "NCT01199614",
      "title": "HEXT (Hypo EXTended): Effect of PTH on Skeleton in Hypoparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypoparathyroidism"
      ],
      "interventions": [
        {
          "name": "open-label PTH(1-84)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "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": 62,
      "start_date": "2009-12",
      "completion_date": "2017-06-26",
      "has_results": true,
      "last_update_posted_date": "2024-07-05",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199614"
    },
    {
      "nct_id": "NCT05227287",
      "title": "ADH1 and ADH2 Disease Monitoring Study (DMS)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autosomal Dominant Hypocalcemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Calcilytix Therapeutics, Inc., a BridgeBio company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "Up to 90 Years"
      },
      "enrollment_count": 95,
      "start_date": "2022-01-20",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 9,
      "location_summary": "Oakland, California • Aurora, Colorado • Jacksonville, Florida + 6 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05227287"
    },
    {
      "nct_id": "NCT01564238",
      "title": "Effect of Sodium Intake on Calcium Retention in Girls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Low Na diet (1.3 g/d)",
          "type": "OTHER"
        },
        {
          "name": "High sodium diet (3.8 g/d)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "15 Years",
        "sex": "FEMALE",
        "summary": "11 Years to 15 Years · Female only"
      },
      "enrollment_count": 67,
      "start_date": "1999-01",
      "completion_date": "2000-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-09",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01564238"
    },
    {
      "nct_id": "NCT04969926",
      "title": "Natural History Study of Parathyroid Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parathyroid Cancer",
        "Primary Hyperparathyroidism",
        "Pseudohypoparathyroidism",
        "Inheritable Bone Diseases",
        "Multiple Endocrine Neoplasia, Type 1"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "6 Months to 100 Years"
      },
      "enrollment_count": 3000,
      "start_date": "2021-11-30",
      "completion_date": "2031-01-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04969926"
    },
    {
      "nct_id": "NCT00053378",
      "title": "A Study to Examine the Use of Zemplar to Increase Serum Calcium Levels in ICU Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypocalcemia"
      ],
      "interventions": [
        {
          "name": "paricalcitol injection (Zemplar)",
          "type": "DRUG"
        },
        {
          "name": "Effects on calcium regulation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Administration of elemental Ca during hypocalcemic ICU pts.",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2002-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-08-02",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 9,
      "location_summary": "Merced, California • Denver, Colorado • Hudson, Florida + 6 more",
      "locations": [
        {
          "city": "Merced",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hudson",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00053378"
    },
    {
      "nct_id": "NCT00752102",
      "title": "Vitamin D and Coronary Calcification Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Vitamin D Deficiency",
        "Coronary Calcification",
        "Disorders of Calcium and Bone Metabolism"
      ],
      "interventions": [
        {
          "name": "Calcitriol (Rocaltrol®)",
          "type": "DRUG"
        },
        {
          "name": "Paricalcitol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joslin Diabetes Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2008-09",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2017-12-08",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752102"
    },
    {
      "nct_id": "NCT01585402",
      "title": "Etidronate for Arterial Calcifications Due to Deficiency in CD73 (ACDC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arterial Calcification",
        "CD73 Deficiency"
      ],
      "interventions": [
        {
          "name": "Etidronate",
          "type": "DRUG"
        },
        {
          "name": "MRI Scan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2012-08-20",
      "completion_date": "2021-08-06",
      "has_results": true,
      "last_update_posted_date": "2022-10-04",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01585402"
    },
    {
      "nct_id": "NCT00582972",
      "title": "Does Omeprazole Decrease Intestinal Calcium Absorption?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoporosis",
        "Achlorhydria",
        "GERD",
        "Hip Fracture"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 23,
      "start_date": "2008-01",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2013-02-15",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00582972"
    },
    {
      "nct_id": "NCT01593501",
      "title": "How Does Magnesium Status Influence Calcium Homeostasis?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Magnesium Deficiency",
        "Calcium Metabolism Disorders"
      ],
      "interventions": [
        {
          "name": "vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 75 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2012-05",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2016-11-01",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01593501"
    },
    {
      "nct_id": "NCT02204579",
      "title": "A Study to Determine the Effects of NPSP795 on the Calcium-sensing Receptor in Subjects With Autosomal Dominant Hypocalcemia as Measured by PTH Levels and Blood Calcium Concentrations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autosomal Dominant Hypocalcemia (ADH)"
      ],
      "interventions": [
        {
          "name": "NPSP795",
          "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": 7,
      "start_date": "2014-07-18",
      "completion_date": "2015-05-04",
      "has_results": true,
      "last_update_posted_date": "2021-08-09",
      "last_synced_at": "2026-06-27T04:47:03.801Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02204579"
    }
  ]
}