{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Vitamin+D&page=3",
    "query": {
      "intervention": "Standard of Care Vitamin D",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 54,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Vitamin+D&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Vitamin+D&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T16:51:26.182Z",
  "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": "NCT04621500",
      "title": "Vitamin D Supplementation in RNA-seq Profiles of Single-core Prostate Samples, Among Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer",
        "Vitamin D Deficiency",
        "Stress Reaction"
      ],
      "interventions": [
        {
          "name": "cholecalciferol",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care Prostate Biopsy - collection of 13th core for RNA-seq",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard of Care Prostate Biopsies at baseline and after one year vitamin D3 supplementation",
          "type": "PROCEDURE"
        },
        {
          "name": "Allostatic Load",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2019-06-04",
      "completion_date": "2022-02-04",
      "has_results": true,
      "last_update_posted_date": "2025-07-04",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04621500"
    },
    {
      "nct_id": "NCT02996721",
      "title": "A Trial Evaluating Vitamin D Normalization on Major Adverse Cardiovascular-Related Events Among Myocardial Infarction Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Death",
        "Myocardial Infarction",
        "Cerebral Vascular Accident",
        "Heart Failure Hospitalization"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 634,
      "start_date": "2017-04-03",
      "completion_date": "2025-09-04",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02996721"
    },
    {
      "nct_id": "NCT05151484",
      "title": "Novel Precision Medicine Approach to Treatment of Osteoporosis Based on Bone Turnover",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Age-Related Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Teriparatide",
          "type": "DRUG"
        },
        {
          "name": "Alendronate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Madhumathi Rao",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2022-03-21",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05151484"
    },
    {
      "nct_id": "NCT07369063",
      "title": "Impact of Vitamin D Therapy on Thyroid Function and Antibody Levels in Pediatric Graves' Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Graves Disease",
        "Graves' Disease",
        "Hyperthyroidism"
      ],
      "interventions": [
        {
          "name": "Ergocalciferol 50,000 IU",
          "type": "DRUG"
        },
        {
          "name": "Methimazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "9 Years to 17 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-08-01",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07369063"
    },
    {
      "nct_id": "NCT04564625",
      "title": "Relationships Between Vitamin D and Orthopedic Trauma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fracture",
        "Fracture Nonunion",
        "Fractures, Bone",
        "Vitamin D"
      ],
      "interventions": [
        {
          "name": "Vitamin D Assessment",
          "type": "OTHER"
        },
        {
          "name": "Fracture",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Methodist Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "18 Years to 25 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-03-06",
      "completion_date": "2021-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04564625"
    },
    {
      "nct_id": "NCT01277510",
      "title": "Pediatric Chronic Kidney Disease Safety and Efficacy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Hyperparathyroidism",
        "Hyperparathyroidism, Secondary",
        "Kidney Disease",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "cinacalcet capsule",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 43,
      "start_date": "2011-06-28",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2020-06-29",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01277510"
    },
    {
      "nct_id": "NCT07760948",
      "title": "HMB Plus Vitamin D to Preserve Muscle in Older Adults Starting Semaglutide",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus (T2DM)",
        "Sarcopenia",
        "Obesity",
        "Muscle Loss",
        "Older Adults"
      ],
      "interventions": [
        {
          "name": "Calcium-HMB Plus Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Matching placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-12-01",
      "completion_date": "2030-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07760948"
    },
    {
      "nct_id": "NCT05016310",
      "title": "A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast",
        "Breast Cancer",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "High Dose Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard of Care Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2021-09-16",
      "completion_date": "2024-08-15",
      "has_results": false,
      "last_update_posted_date": "2025-07-23",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05016310"
    },
    {
      "nct_id": "NCT01903317",
      "title": "Evaluation of Vitamin D Levels in Psoriasis Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Topical Therapy",
          "type": "OTHER"
        },
        {
          "name": "Phototherapy and Systemic Therapy",
          "type": "OTHER"
        },
        {
          "name": "Biologic Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Irvine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-06",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01903317"
    },
    {
      "nct_id": "NCT00752557",
      "title": "Study Evaluating Changes In Bone Mineral Density (BMD), And Safety Of Rhbmp-2/CPM In Subjects With Decreased BMD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "rhBMP-2/CPM injection and bisphosphonates, calcium, and vitamin D (oral bisphosphonate therapy)",
          "type": "DRUG"
        },
        {
          "name": "bisphosphonates, calcium, and vitamin D",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "65 Years to 85 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2008-12-03",
      "completion_date": "2015-04-24",
      "has_results": true,
      "last_update_posted_date": "2020-03-20",
      "last_synced_at": "2026-10-10T16:51:26.182Z",
      "location_count": 28,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Sacramento, California + 15 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00752557"
    }
  ]
}