{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Calcitriol",
    "query": {
      "intervention": "Calcitriol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 92,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Calcitriol&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T06:37:32.214Z",
  "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": "NCT00073710",
      "title": "Study to Evaluate the Effects of Zemplar Injection and Calcijex on Intestinal Absorption of Calcium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Secondary Hyperparathyroidism",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Zemplar",
          "type": "DRUG"
        },
        {
          "name": "42 Ca carbonate absorption via single tracer method",
          "type": "PROCEDURE"
        },
        {
          "name": "Calcijex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Abbott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2004-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2006-08-02",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00073710"
    },
    {
      "nct_id": "NCT00285675",
      "title": "Study of DN-101 (Calcitriol) and Docetaxel in Subjects Previously Enrolled in Studies DN101-002 or DN101-004",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Androgen Independent Prostate Cancer (AIPC)",
        "Non Small Cell Lung Cancer (NSCLC)"
      ],
      "interventions": [
        {
          "name": "DN-101 (calcitriol) - Drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novacea",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2006-04",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2006-05-31",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 11,
      "location_summary": "Berkeley, California • San Francisco, California • Vallejo, California + 6 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Vallejo",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285675"
    },
    {
      "nct_id": "NCT00009802",
      "title": "Calcitriol Plus Paclitaxel in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "calcitriol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "1998-06",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00009802"
    },
    {
      "nct_id": "NCT01384539",
      "title": "Vitamin D and Arterial Function in Patients With Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arterial Dysfunction",
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 128,
      "start_date": "2011-07",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2018-09-28",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01384539"
    },
    {
      "nct_id": "NCT00925704",
      "title": "The Pharmacokinetics of Rocaltrol When Administered Alone or in Combination With Fosrenol or Renvela in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Calcitriol",
          "type": "DRUG"
        },
        {
          "name": "Lanthanum carbonate + Calcitriol",
          "type": "DRUG"
        },
        {
          "name": "Sevelamer carbonate + Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "19 Years to 45 Years"
      },
      "enrollment_count": 41,
      "start_date": "2009-06-01",
      "completion_date": "2009-07-31",
      "has_results": true,
      "last_update_posted_date": "2021-06-15",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 1,
      "location_summary": "Cypress, California",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00925704"
    },
    {
      "nct_id": "NCT02125279",
      "title": "Long Term Safety and Efficacy Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Psoriasis Vulgaris"
      ],
      "interventions": [
        {
          "name": "Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Galderma R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "2 Years to 16 Years"
      },
      "enrollment_count": 54,
      "start_date": "2014-05",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 8,
      "location_summary": "Fort Smith, Arkansas • Rogers, Arkansas • Burbank, California + 5 more",
      "locations": [
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02125279"
    },
    {
      "nct_id": "NCT00486512",
      "title": "Chemoprevention of Colorectal Adenomas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adenomatous Polyps"
      ],
      "interventions": [
        {
          "name": "0.5 mg calcitriol (1a -25-dihydroxycholecalciferol)",
          "type": "DRUG"
        },
        {
          "name": "75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3)",
          "type": "DRUG"
        },
        {
          "name": "placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol)",
          "type": "DRUG"
        },
        {
          "name": "placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3)",
          "type": "DRUG"
        },
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Colotech A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 350,
      "start_date": "2007-06",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 24,
      "location_summary": "Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Decatur",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486512"
    },
    {
      "nct_id": "NCT01205880",
      "title": "Study to Evaluate Vectical in Combination With Clobex Spray to Treatment Plaque Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Calcitriol ointment",
          "type": "DRUG"
        },
        {
          "name": "Clobetasol spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emer, Jason, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2009-12",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2010-09-21",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01205880"
    },
    {
      "nct_id": "NCT01235728",
      "title": "A Study to Evaluate and Compare the Efficacy and Pharmacokinetics of MK-0873 for the Treatment of Plaque Psoriasis (MK-0873-022)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Psoriasis",
        "Plaque Psoriasis"
      ],
      "interventions": [
        {
          "name": "MK-0873 2% Cream",
          "type": "DRUG"
        },
        {
          "name": "MK-0873 vehicle (placebo) Cream",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol Cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2010-11-01",
      "completion_date": "2011-04-01",
      "has_results": true,
      "last_update_posted_date": "2019-02-08",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 2,
      "location_summary": "Fort Myers, Florida • Miramar, Florida",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Miramar",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01235728"
    },
    {
      "nct_id": "NCT00000412",
      "title": "Osteoporosis Prevention After Heart Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoporosis",
        "Cardiac Transplantation"
      ],
      "interventions": [
        {
          "name": "Alendronate",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Alendronate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Calcitriol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 149,
      "start_date": "1997-09",
      "completion_date": "2002-04",
      "has_results": false,
      "last_update_posted_date": "2015-07-07",
      "last_synced_at": "2026-09-02T06:37:32.214Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000412"
    }
  ]
}