{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Parathyroid+Hormone",
    "query": {
      "intervention": "Parathyroid Hormone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 248,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Parathyroid+Hormone&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T18:24:44.183Z",
  "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": "NCT00005006",
      "title": "Parathyroid Hormone (PTH) With Alendronate for Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Parathyroid Hormone",
          "type": "DRUG"
        },
        {
          "name": "Alendronate",
          "type": "DRUG"
        },
        {
          "name": "Teriparatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Helen Hayes Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 140,
      "start_date": "1987-09",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2015-08-19",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "West Haverstraw, New York",
      "locations": [
        {
          "city": "West Haverstraw",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005006"
    },
    {
      "nct_id": "NCT01357317",
      "title": "Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Diet counseling",
          "type": "OTHER"
        },
        {
          "name": "Phosphorus binder",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 120,
      "start_date": "2011-06",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2012-06-12",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Salem, Virginia",
      "locations": [
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01357317"
    },
    {
      "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": "2026-09-07T18:24:44.183Z",
      "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": "NCT00748618",
      "title": "Vitamin D Replacement After Kidney Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Transplantation",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Standard vitamin D3 treatment",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High dose vitamin D3 treatment",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2008-10-01",
      "completion_date": "2023-06-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-26",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748618"
    },
    {
      "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": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997810"
    },
    {
      "nct_id": "NCT01996072",
      "title": "EC17 for Intraoperative Imaging for Parathyroidectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Primary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "EC17",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2013-11",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2018-07-03",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01996072"
    },
    {
      "nct_id": "NCT00580788",
      "title": "One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Osteoporosis",
        "Humoral Hypercalcemia of Malignancy",
        "Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "PTHrP (1-36)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "24 Years to 35 Years"
      },
      "enrollment_count": 14,
      "start_date": "2008-01",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2016-02-11",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580788"
    },
    {
      "nct_id": "NCT01100723",
      "title": "Trial to Optimize Mineral Outcomes in Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Cinacalcet, active vitamin D analogue",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2010-03",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2017-01-02",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Lynchburg, Virginia",
      "locations": [
        {
          "city": "Lynchburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01100723"
    },
    {
      "nct_id": "NCT00377312",
      "title": "7 Day Continuous Parathyroid Hormone IV Infusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Osteoporosis",
        "Bone Diseases, Endocrine",
        "Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Parathyroid Hormone (1-34)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "24 Years to 35 Years"
      },
      "enrollment_count": 11,
      "start_date": "2006-09",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2016-03-22",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00377312"
    },
    {
      "nct_id": "NCT00577863",
      "title": "Study of the Experience of Patients With Osteoporosis Using the Forteo B Pen to Self Administer Once Daily Teriparatide Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "teriparatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "2008-01",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2009-07-22",
      "last_synced_at": "2026-09-07T18:24:44.183Z",
      "location_count": 18,
      "location_summary": "Huntsville, Alabama • Montgomery, Alabama • Peoria, Arizona + 15 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00577863"
    }
  ]
}