{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Vitamin+D&page=2",
    "query": {
      "intervention": "Standard of Care Vitamin D",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "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=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+of+Care+Vitamin+D&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T15:07:19.417Z",
  "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": "NCT03883919",
      "title": "Liposomal Irinotecan Plus 5-FU / LV Combined With Paricalcitol in Patients With Advanced Pancreatic Cancer Progressed on Gemcitabine-based Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer",
        "Pancreas Cancer",
        "Cancer of the Pancreas"
      ],
      "interventions": [
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Liposomal Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Paricalcitol",
          "type": "DRUG"
        },
        {
          "name": "Serum and plasma blood samples",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-07-11",
      "completion_date": "2022-07-02",
      "has_results": false,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03883919"
    },
    {
      "nct_id": "NCT07006714",
      "title": "Preoperative Correction of Vitamin D Deficiency in Total Joint Arthroplasty (TJA)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "96 Years",
        "sex": "ALL",
        "summary": "18 Years to 96 Years"
      },
      "enrollment_count": 200,
      "start_date": "2025-09-08",
      "completion_date": "2027-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07006714"
    },
    {
      "nct_id": "NCT03633708",
      "title": "A Trial of Etelcalcetide in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Etelcalcetide",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "0 Years to 18 Years"
      },
      "enrollment_count": 56,
      "start_date": "2019-04-29",
      "completion_date": "2029-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Kansas City, Missouri + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03633708"
    },
    {
      "nct_id": "NCT01922440",
      "title": "A Registry for Participants With Chronic Hypoparathyroidism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypoparathyroidism"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1339,
      "start_date": "2013-07-30",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 54,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 42 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Jose",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922440"
    },
    {
      "nct_id": "NCT01047735",
      "title": "The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes Mellitus",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Roux-en-Y Gastric Bypass Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Laparoscopic Adjustable Gastric Banding",
          "type": "PROCEDURE"
        },
        {
          "name": "Lifestyle Weight Loss Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 69,
      "start_date": "2009-09-01",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01047735"
    },
    {
      "nct_id": "NCT02742805",
      "title": "Sustained Effect of Urticaria Remission With Relatively High Dose Vitamin D Supplementation After Omalizumab Discontinuation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Urticaria"
      ],
      "interventions": [
        {
          "name": "Vitamin D (4,000 IU/day)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D (400 IU/day)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Omalizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Selina Gierer, D.O.",
      "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": "2016-02",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2018-05-01",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02742805"
    },
    {
      "nct_id": "NCT07836712",
      "title": "Multiple Adjunct Therapies to Improve Immunotherapy Treatment in Patients With Locally Advanced or Metastatic Melanoma or Advanced Hepatocellular Cancer",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Hepatocellular Carcinoma",
        "Advanced Melanoma",
        "Locally Advanced Melanoma",
        "Metastatic Melanoma",
        "Stage III Hepatocellular Carcinoma AJCC v8",
        "Stage IV Hepatocellular Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cholecalciferol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Desloratadine",
          "type": "DRUG"
        },
        {
          "name": "Immunotherapy",
          "type": "OTHER"
        },
        {
          "name": "Infusion Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2026-11-01",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07836712"
    },
    {
      "nct_id": "NCT01439867",
      "title": "Safety & Tolerability of Cinacalcet in Pediatric Patients With Chronic Kidney Disease and Secondary Hyperparathyroidism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Disease",
        "Hyperparathyroidism, Secondary"
      ],
      "interventions": [
        {
          "name": "Cinacalcet hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "28 Days",
        "maximum_age": "2189 Days",
        "sex": "ALL",
        "summary": "28 Days to 2189 Days"
      },
      "enrollment_count": 18,
      "start_date": "2012-06-22",
      "completion_date": "2016-06-03",
      "has_results": true,
      "last_update_posted_date": "2020-06-17",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01439867"
    },
    {
      "nct_id": "NCT00860470",
      "title": "Antenatal Micronutrient Supplementation and Infant Survival",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infant Mortality",
        "Preterm Birth",
        "Low Birth Weight",
        "Neonatal Mortality",
        "Perinatal Mortality"
      ],
      "interventions": [
        {
          "name": "Iron (27 mg) - folic acid (600 ug)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multiple micronutrient",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 45 Years · Female only"
      },
      "enrollment_count": 44567,
      "start_date": "2008-01",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860470"
    },
    {
      "nct_id": "NCT01175798",
      "title": "Impact of Vitamin D Repletion in Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency",
        "End-stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mehrotra, Anita, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2010-08",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2014-09-22",
      "last_synced_at": "2026-10-10T15:07:19.417Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01175798"
    }
  ]
}