{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Parathyroid+Gland&page=2",
    "query": {
      "condition": "Parathyroid Gland",
      "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=Parathyroid+Gland&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T05:18:53.499Z",
  "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": "NCT00123461",
      "title": "Study of Safety and Efficacy of Doxercalciferol in Patients With Chronic Kidney Disease, Stage 3 or 4, and Secondary Hyperparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Renal Failure",
        "Chronic Renal Insufficiency"
      ],
      "interventions": [
        {
          "name": "Hectorol (doxercalciferol capsules), 0.5mcg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2005-07",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2015-05-05",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 17,
      "location_summary": "Phoenix, Arizona • Alhambra, California • Riverside, California + 14 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00123461"
    },
    {
      "nct_id": "NCT00418600",
      "title": "A Phase 4, Conversion Study of Hectorol® Injection to Hectorol® Capsules in Stage 5 CKD Patients on Dialysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Hectorol® (doxercalciferol capsules)",
          "type": "DRUG"
        },
        {
          "name": "doxercalciferol capsules, Hectorol®",
          "type": "DRUG"
        },
        {
          "name": "doxercalciferol capsules, Hectorol® capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genzyme, a Sanofi Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2006-11",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2015-03-19",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 8,
      "location_summary": "Hot Springs, Arkansas • Downey, California • Tarzana, California + 5 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00418600"
    },
    {
      "nct_id": "NCT05029128",
      "title": "Enhancing Skeletal Adaptations to PTH and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise",
        "Bone Resorption",
        "Bone Formation"
      ],
      "interventions": [
        {
          "name": "Endurance exercise intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 18,
      "start_date": "2023-01-01",
      "completion_date": "2025-12-01",
      "has_results": true,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05029128"
    },
    {
      "nct_id": "NCT00169806",
      "title": "Randall's Plaque Study: Pathogenesis and Relationship to Nephrolithiasis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nephrocalcinosis",
        "Renal Calculi",
        "Hypercalciuria",
        "Hyperparathyroidism",
        "Cystinuria"
      ],
      "interventions": [
        {
          "name": "videotape for mapping of renal anatomy and papillary biopsy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana Kidney Stone Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "1998-11",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-01-23",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00169806"
    },
    {
      "nct_id": "NCT00037193",
      "title": "Acute Regulation of Parathyroid Hormone by Dietary Phosphate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00037193"
    },
    {
      "nct_id": "NCT00211939",
      "title": "CARE-2 (Calcium Acetate [PhosLo®]/Sevelamer[Renagel®] Evaluation Study 2) for Heart Calcification in Dialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Calcinosis",
        "Arteriosclerosis",
        "Hyperparathyroidism, Secondary"
      ],
      "interventions": [
        {
          "name": "calcium acetate",
          "type": "DRUG"
        },
        {
          "name": "sevelamer",
          "type": "DRUG"
        },
        {
          "name": "atorvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nabi Biopharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2005-01",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2008-01-08",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00211939"
    },
    {
      "nct_id": "NCT00421408",
      "title": "The Effect of Protein Supplementation on Bone Health in Healthy Older Men and Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Bone Resorption",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Whey protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 208,
      "start_date": "2007-02",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2020-04-09",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 2,
      "location_summary": "Farmington, Connecticut • New Haven, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00421408"
    },
    {
      "nct_id": "NCT01530919",
      "title": "Minimally Invasive Radioguided Parathyroidectomy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Minimally invasive radioguided parathyroidectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 856,
      "start_date": "1998-09",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-05-04",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530919"
    },
    {
      "nct_id": "NCT00759772",
      "title": "The Role of Parathyroid Hormone (PTH) in Low Bone Mass in Anorexia Nervosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anorexia Nervosa",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Teriparatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 70 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2008-09",
      "completion_date": "2016-02-22",
      "has_results": true,
      "last_update_posted_date": "2017-05-11",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00759772"
    },
    {
      "nct_id": "NCT00432939",
      "title": "Primary Hyperparathyroidism: Non-classical Manifestations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Hyperparathyroidism"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 58,
      "start_date": "2005-10",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2015-03-09",
      "last_synced_at": "2026-09-27T05:18:53.499Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00432939"
    }
  ]
}