{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=PTH&page=2",
    "query": {
      "intervention": "PTH",
      "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?intervention=PTH&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T02:10:02.275Z",
  "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": "NCT07083531",
      "title": "Bone Loss, Physical Function and Frailty in Older Women With Sickle Cell Trait Sickle Cell Trait",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sickle Cell Disease",
        "Sickle Cell Trait"
      ],
      "interventions": [
        {
          "name": "Healthy volunteers without SCT",
          "type": "OTHER"
        },
        {
          "name": "Healthy volunteers with SCT",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2022-08-23",
      "completion_date": "2025-08-23",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07083531"
    },
    {
      "nct_id": "NCT00347737",
      "title": "The Effects of Therapy With Teriparatide on Vascular Compliance and Osteoprotegerin/RANKL",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "teriparatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Leland Graves III, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2006-06",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2013-01-16",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00347737"
    },
    {
      "nct_id": "NCT04098250",
      "title": "Multidisciplinary Translational Approach to Investigate Mechanisms Predictors & Prevention of Persistent PTH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Post-Traumatic Headache"
      ],
      "interventions": [
        {
          "name": "Erenumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 6,
      "start_date": "2021-01-04",
      "completion_date": "2024-01-10",
      "has_results": true,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Jacksonville, Florida + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04098250"
    },
    {
      "nct_id": "NCT00430417",
      "title": "Bone Metabolism and Parathyroid Hormone-related Protein (PTHrP) Lactation Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bone Diseases, Endocrine"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 49,
      "start_date": "2007-01",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2013-10-31",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00430417"
    },
    {
      "nct_id": "NCT03935984",
      "title": "Calcitonin Pre-treatment to Improve SPECT-CT Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Primary Hyperparathyroidism",
        "Hypercalcemia"
      ],
      "interventions": [
        {
          "name": "Calcitonin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joseph Sferra",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2019-05-29",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Toledo, Ohio",
      "locations": [
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03935984"
    },
    {
      "nct_id": "NCT03050762",
      "title": "Comprehensive Data Collection and Follow-Up for Patients With Thyroid, Parathyroid and Adrenal Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Endocrine Disease"
      ],
      "interventions": [
        {
          "name": "Data Collection",
          "type": "OTHER"
        },
        {
          "name": "Follow Up",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15000,
      "start_date": "2011-10-05",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03050762"
    },
    {
      "nct_id": "NCT04281875",
      "title": "Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Hypoparathyroidism",
        "Thyroid Neoplasms",
        "Thyroid Cancer"
      ],
      "interventions": [
        {
          "name": "NIRAF Detection Technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 160,
      "start_date": "2020-03-16",
      "completion_date": "2024-02-23",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04281875"
    },
    {
      "nct_id": "NCT01796301",
      "title": "An Open-label Study to Evaluate the Effect of Treatment With Romosozumab or Teriparatide in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postmenopausal Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Romozosumab",
          "type": "DRUG"
        },
        {
          "name": "Teriparatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 90 Years · Female only"
      },
      "enrollment_count": 436,
      "start_date": "2013-01-31",
      "completion_date": "2015-05-14",
      "has_results": true,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 5,
      "location_summary": "Gainesville, Georgia • Bethesda, Maryland • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Georgia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01796301"
    },
    {
      "nct_id": "NCT02580604",
      "title": "PTH And Calcium Responses to Exercise in Older Adults Experiment 2 (PACE Sr. 2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Calcium Chloride/Calcium Gluconate",
          "type": "DRUG"
        },
        {
          "name": "Half-Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 80 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2015-11",
      "completion_date": "2025-07-31",
      "has_results": true,
      "last_update_posted_date": "2025-08-13",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02580604"
    },
    {
      "nct_id": "NCT00005005",
      "title": "PaTH Study: Parathyroid Hormone and Alendronate for Osteoporosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "PTH",
          "type": "DRUG"
        },
        {
          "name": "Alendronate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dennis Black",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 85 Years · Female only"
      },
      "enrollment_count": 238,
      "start_date": "1999-10",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2013-02-05",
      "last_synced_at": "2026-09-09T02:10:02.275Z",
      "location_count": 4,
      "location_summary": "Bangor, Maine • Minneapolis, Minnesota • New York, New York + 1 more",
      "locations": [
        {
          "city": "Bangor",
          "state": "Maine"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005005"
    }
  ]
}