{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hyperparathyroidism&page=2",
    "query": {
      "condition": "Hyperparathyroidism",
      "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=Hyperparathyroidism&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T01:00:57.075Z",
  "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": "NCT00325104",
      "title": "Cinacalcet to Treat Familial Primary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypercalcemia",
        "Familial Primary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Parathyroid hormone testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Serum calcium testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2006-05-09",
      "completion_date": "2007-03-31",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00325104"
    },
    {
      "nct_id": "NCT00364234",
      "title": "Low Magnitude Mechanical Stimuli Effects on Bone Structure in ESRD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Renal Osteodystrophy"
      ],
      "interventions": [
        {
          "name": "Low magnitude mechanical stimuli",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2006-05",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2015-04-14",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00364234"
    },
    {
      "nct_id": "NCT03011736",
      "title": "Omission of Intact Parathyroid Hormone Testing During Surgery in Treating Patients With Primary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parathyroid Gland Adenoma",
        "Primary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Parathyroidectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2016-05-12",
      "completion_date": "2018-12-24",
      "has_results": false,
      "last_update_posted_date": "2021-08-12",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011736"
    },
    {
      "nct_id": "NCT07083557",
      "title": "Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity and Obesity-related Medical Conditions",
        "Diabetes",
        "Atherosclerotic Disease",
        "Heart Failure",
        "MASH",
        "Sarcopenia",
        "Osteoporosis",
        "Hyperparathyroidism",
        "Hypoparathyroidism",
        "Ischemic Heart Disease",
        "Cystic Fibrosis (CF)",
        "Chronic Kidney Disease(CKD)",
        "Osteopenia",
        "Cachexia"
      ],
      "interventions": [
        {
          "name": "Endothelial cell collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bettina Mittendorfer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2027-01-01",
      "completion_date": "2030-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07083557"
    },
    {
      "nct_id": "NCT05997810",
      "title": "Parathyroid Tumor Clonal Status",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parathyroid Tumor",
        "Primary Hyperparathyroidism",
        "Secondary Hyperparathyroidism (SHPT)",
        "Tertiary Hyperparathyroidism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 839,
      "start_date": "2023-07-28",
      "completion_date": "2032-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997810"
    },
    {
      "nct_id": "NCT01290029",
      "title": "Study to Evaluate Cinacalcet in Children With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Hyperparathyroidism, Secondary",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Cinacalcet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Days",
        "maximum_age": "2190 Days",
        "sex": "ALL",
        "summary": "28 Days to 2190 Days"
      },
      "enrollment_count": 14,
      "start_date": "2011-01-25",
      "completion_date": "2015-09-23",
      "has_results": true,
      "last_update_posted_date": "2020-06-17",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • San Francisco, California • Louisville, Kentucky + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01290029"
    },
    {
      "nct_id": "NCT05543928",
      "title": "Phase 3 Safety and Efficacy Study of CTAP101 Extended-release Capsules in Children With Secondary Hyperparathyroidism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease stage3",
        "Chronic Kidney Disease stage4",
        "Vitamin d Deficiency",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "CTAP101",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OPKO Health, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 2,
      "start_date": "2023-01-31",
      "completion_date": "2024-06-19",
      "has_results": true,
      "last_update_posted_date": "2025-07-25",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Greenville, South Carolina",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05543928"
    },
    {
      "nct_id": "NCT03931109",
      "title": "Circulating miRNA in Primary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperparathyroidism",
        "Osteoporosis, Postmenopausal"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 100 Years · Female only"
      },
      "enrollment_count": 96,
      "start_date": "2018-09-07",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-01",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03931109"
    },
    {
      "nct_id": "NCT03764007",
      "title": "18F-Fluorocholine for the Detection of Parathyroid Adenomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Hyperparathyroidism, Primary"
      ],
      "interventions": [
        {
          "name": "18F-Fluorocholine",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography (PET)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Thomas Hope",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2016-09-21",
      "completion_date": "2021-05-31",
      "has_results": true,
      "last_update_posted_date": "2021-10-19",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03764007"
    },
    {
      "nct_id": "NCT01134562",
      "title": "Safety, Tolerability and Pharmacokinetics of Etelcalcetide in Hemodialysis Patients With Secondary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperparathyroidism, Secondary"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Etelcalcetide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "KAI Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2010-09-07",
      "completion_date": "2011-04-02",
      "has_results": true,
      "last_update_posted_date": "2018-01-02",
      "last_synced_at": "2026-05-22T01:00:57.075Z",
      "location_count": 3,
      "location_summary": "Cypress, California • Shreveport, Louisiana • Houston, Texas",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01134562"
    }
  ]
}