{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Diet%3B+Deficiency",
    "query": {
      "condition": "Diet; Deficiency"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 598,
    "total_pages": 60,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Diet%3B+Deficiency&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T04:43:55.615Z",
  "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": "NCT00417612",
      "title": "Effectiveness of Paricalcitol in Reducing Parathyroid Hormone (PTH) Levels in X-linked Hypophosphatemic Rickets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hypophosphatemia, Familial",
        "Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Paricalcitol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2007-01",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2020-03-17",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00417612"
    },
    {
      "nct_id": "NCT02057094",
      "title": "Effects of Protein Supplementation on Lean Body Mass Recovery From Extreme Military Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Military Operational Stress Reaction",
        "Malnutrition (Calorie)",
        "Weight Loss",
        "Muscle Wasting"
      ],
      "interventions": [
        {
          "name": "Protein, High-Protein, and Control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 71,
      "start_date": "2014-01",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "Marine Corps Base Camp Lejeune, North Carolina",
      "locations": [
        {
          "city": "Marine Corps Base Camp Lejeune",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02057094"
    },
    {
      "nct_id": "NCT01410305",
      "title": "Vitamin D and HIV-Cardiovascular Disease in Children and Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "8 Years to 25 Years"
      },
      "enrollment_count": 290,
      "start_date": "2011-09",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2016-06-28",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Cleveland, Ohio",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01410305"
    },
    {
      "nct_id": "NCT01141972",
      "title": "The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body Composition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hot Flushes",
        "Menopause, Premature",
        "Obesity",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 60 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2010-09",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2013-05-30",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01141972"
    },
    {
      "nct_id": "NCT00909454",
      "title": "Vitamin D Supplement Study for Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "2000 IU Vitamin D3 daily supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "400 IU Vitamin D3 supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "14 Years to 19 Years"
      },
      "enrollment_count": 45,
      "start_date": "2009-02",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2011-10-17",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909454"
    },
    {
      "nct_id": "NCT01784029",
      "title": "Treatment Study of Vitamin D Deficiency in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "13 Years to 20 Years"
      },
      "enrollment_count": 183,
      "start_date": "2013-02",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01784029"
    },
    {
      "nct_id": "NCT03960554",
      "title": "The Effects of 12-months of Denosumab on Bone Density in Prevalent Kidney Transplant Recipients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoporosis",
        "Renal Osteodystrophy",
        "Kidney Transplant; Complications"
      ],
      "interventions": [
        {
          "name": "Denosumab Inj 60 mg/ml",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Nickolas, MD MS",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2020-01-16",
      "completion_date": "2021-12-02",
      "has_results": true,
      "last_update_posted_date": "2024-07-25",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • New York, New York",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03960554"
    },
    {
      "nct_id": "NCT00846040",
      "title": "Reduced Carbohydrate Versus Fat in Obese Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Reduced fat diet",
          "type": "OTHER"
        },
        {
          "name": "Reduced carbohydrate diet",
          "type": "OTHER"
        },
        {
          "name": "Drug: f-18 fallypride",
          "type": "DRUG"
        },
        {
          "name": "fMRI",
          "type": "DEVICE"
        },
        {
          "name": "PET",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 43,
      "start_date": "2009-02-13",
      "completion_date": "2014-10-20",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00846040"
    },
    {
      "nct_id": "NCT06288451",
      "title": "DePTH: De-emphasize PTH",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Failure, Chronic",
        "Chronic Kidney Disease-Mineral and Bone Disorder"
      ],
      "interventions": [
        {
          "name": "Oral calcitriol with cinacalcet rescue",
          "type": "DRUG"
        },
        {
          "name": "IV activated vitamin D",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2024-03-11",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-06-02",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06288451"
    },
    {
      "nct_id": "NCT05906472",
      "title": "PUSH-IT Continuing Enteral Feeds for Tracheostomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tracheostomy Complication",
        "Critical Illness",
        "Nutritional Deficiency"
      ],
      "interventions": [
        {
          "name": "Feeds continued",
          "type": "OTHER"
        },
        {
          "name": "Feeds held",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2023-02-06",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-05-22T04:43:55.615Z",
      "location_count": 6,
      "location_summary": "Danbury, Connecticut • West Palm Beach, Florida • Kansas City, Missouri + 3 more",
      "locations": [
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Allentown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05906472"
    }
  ]
}