{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parathyroid+Diseases",
    "query": {
      "condition": "Parathyroid Diseases"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 290,
    "total_pages": 29,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parathyroid+Diseases&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T21:58:01.588Z",
  "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": "NCT01328678",
      "title": "A Study of Vitamin D in Subjects With Alopecia Areata",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alopecia Areata"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Avera McKennan Hospital & University Health Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2009-08",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2011-07-08",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01328678"
    },
    {
      "nct_id": "NCT01571843",
      "title": "Radius Loading in Primary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Hyperparathyroidism",
        "Bone Diseases, Metabolic",
        "Osteoporosis, Postmenopausal",
        "Bone Loss, Postmenopausal"
      ],
      "interventions": [
        {
          "name": "Forearm exercise program",
          "type": "OTHER"
        },
        {
          "name": "Walking program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2010-02",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2015-04-09",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571843"
    },
    {
      "nct_id": "NCT03046524",
      "title": "Parathyroid Cancer Versus Atypical Parathyroid Neoplasm; Investigating Their Clinical Characteristics and Biological Behavior",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parathyroid Carcinoma",
        "Parathyroid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2015-10-06",
      "completion_date": "2017-10-16",
      "has_results": false,
      "last_update_posted_date": "2018-02-07",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03046524"
    },
    {
      "nct_id": "NCT01219855",
      "title": "Safety/Efficacy Study of CTAP101 in Chronic Kidney Disease Subjects With Secondary Hyperparathyroidism (SHPT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Secondary Hyperparathyroidism",
        "Vitamin D Insufficiency"
      ],
      "interventions": [
        {
          "name": "Cohort 1 CTAP101 Capsules- 60µg",
          "type": "DRUG"
        },
        {
          "name": "Cohort 1 CTAP101 Capsules - 90µg",
          "type": "DRUG"
        },
        {
          "name": "Cohort 1 Matching Sugar Capsule",
          "type": "DRUG"
        },
        {
          "name": "Cohort 2 CTAP101 Capsules - 30µg",
          "type": "DRUG"
        },
        {
          "name": "Cohort 2 Matching Sugar Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OPKO Health, Inc.",
      "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": 78,
      "start_date": "2010-10",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2016-08-25",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "Bannockburn, Illinois",
      "locations": [
        {
          "city": "Bannockburn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01219855"
    },
    {
      "nct_id": "NCT00566488",
      "title": "Parathyroid and Thymus Transplantation in DiGeorge #931",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "DiGeorge Syndrome",
        "Hypoparathyroidism",
        "Complete DiGeorge Syndrome"
      ],
      "interventions": [
        {
          "name": "Thymus/Parathyroid Transplantation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sumitomo Pharma Switzerland GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "Up to 24 Months"
      },
      "enrollment_count": 25,
      "start_date": "2005-01",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00566488"
    },
    {
      "nct_id": "NCT00020579",
      "title": "MS-275 in Treating Patients With Advanced Solid Tumors or Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "entinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2001-03",
      "completion_date": "2008-10",
      "has_results": false,
      "last_update_posted_date": "2012-03-15",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 3,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00020579"
    },
    {
      "nct_id": "NCT04701203",
      "title": "A Trial Investigating the Safety, Tolerability and Efficacy of TransCon PTH Administered Daily in Adults With Hypoparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypoparathyroidism",
        "Endocrine System Diseases",
        "Parathyroid Diseases"
      ],
      "interventions": [
        {
          "name": "TransCon PTH",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Ascendis Pharma Bone Diseases A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2021-02-16",
      "completion_date": "2025-01-21",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Chicago, Illinois • Rochester, Minnesota + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Reno",
          "state": "Nevada"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04701203"
    },
    {
      "nct_id": "NCT01653379",
      "title": "A Phase 2A Dose-ranging and Pharmacokinetic Study of an Oral Vitamin D Compound (DP001) in Secondary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "DP001",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Deltanoid Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2012-08",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-08-16",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 6,
      "location_summary": "Tucson, Arizona • Tustin, California • Denver, Colorado + 3 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tustin",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Greenville",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01653379"
    },
    {
      "nct_id": "NCT02478879",
      "title": "A Study to Determine the Patient Preference Between Zosano Pharma Parathyroid Hormone (ZP-PTH) Patch and Forteo Pen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Postmenopausal Osteoporosis"
      ],
      "interventions": [
        {
          "name": "ZP-PTH",
          "type": "DRUG"
        },
        {
          "name": "FORTEO",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zosano Pharma Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 85 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2015-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-08-23",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02478879"
    },
    {
      "nct_id": "NCT02781844",
      "title": "Study to Assess the Blood Concentrations and Actions of Recombinant Human Parathyroid Hormone (rhPTH [1-84]) When Given Once and Twice Daily to Participants With Hypoparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypoparathyroidism"
      ],
      "interventions": [
        {
          "name": "25mcg rhPTH(1-84)",
          "type": "DRUG"
        },
        {
          "name": "50mcg rhPTH(1-84)",
          "type": "DRUG"
        },
        {
          "name": "100mcg rhPTH(1-84)",
          "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": 34,
      "start_date": "2017-04-03",
      "completion_date": "2019-03-08",
      "has_results": true,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-06-27T21:58:01.588Z",
      "location_count": 10,
      "location_summary": "North Hollywood, California • Indianapolis, Indiana • Lexington, Kentucky + 7 more",
      "locations": [
        {
          "city": "North Hollywood",
          "state": "California"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02781844"
    }
  ]
}