{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=13",
    "query": {
      "condition": "Dietary Deficiency",
      "page": 13
    },
    "page_size": 10
  },
  "pagination": {
    "page": 13,
    "page_size": 10,
    "total_count": 604,
    "total_pages": 61,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=14&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=12&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T13:06:20.695Z",
  "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": "NCT03734744",
      "title": "PK/PD of Vitamin D3 in Adults With CF",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency",
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "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": 6,
      "start_date": "2019-06-17",
      "completion_date": "2022-05-16",
      "has_results": false,
      "last_update_posted_date": "2022-05-17",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03734744"
    },
    {
      "nct_id": "NCT00473239",
      "title": "The Pharmacokinetics of a Single Large Dose of Vitamin D3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "cholecalciferol.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-10",
      "completion_date": "2007-03",
      "has_results": false,
      "last_update_posted_date": "2015-05-04",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00473239"
    },
    {
      "nct_id": "NCT03018132",
      "title": "Preeclampsia Research on Vitamin D, Inflammation, & Depression",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre-Eclampsia",
        "Depression",
        "Inflammation",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "mental health screening, education and referral program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2017-04-01",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03018132"
    },
    {
      "nct_id": "NCT03151174",
      "title": "Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D 10000 UNT",
          "type": "DRUG"
        },
        {
          "name": "Vitamin D 5000 UNT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 68,
      "start_date": "2017-04-29",
      "completion_date": "2018-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Blacksburg, Virginia",
      "locations": [
        {
          "city": "Blacksburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03151174"
    },
    {
      "nct_id": "NCT03122678",
      "title": "Thiamine Supplementation in Patients With Septic Shock",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Septic Shock",
        "Shock, Septic",
        "Lactic Acidosis",
        "Thiamine Deficiency"
      ],
      "interventions": [
        {
          "name": "Thiamine",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cleveland Clinic",
      "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": "2016-11-05",
      "completion_date": "2019-03-14",
      "has_results": false,
      "last_update_posted_date": "2019-03-15",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Weston, Florida",
      "locations": [
        {
          "city": "Weston",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03122678"
    },
    {
      "nct_id": "NCT05480943",
      "title": "Prevalence of Thiamine Deficiency in Hospitalized Non-Alcoholic Veterans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thiamine Deficiency",
        "Thiamine Deficiency; Sequelae"
      ],
      "interventions": [
        {
          "name": "Thiamine repletion",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 206,
      "start_date": "2022-07-19",
      "completion_date": "2024-12-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Reno, Nevada",
      "locations": [
        {
          "city": "Reno",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05480943"
    },
    {
      "nct_id": "NCT00530205",
      "title": "Effects of Radiation Therapy on the Body in Patients With Stage III Non-Small Cell Lung Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Malnutrition",
        "Weight Changes"
      ],
      "interventions": [
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "management of therapy complications",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-07-14",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00530205"
    },
    {
      "nct_id": "NCT03500354",
      "title": "Nutritional Drink in Gastroparesis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroparesis"
      ],
      "interventions": [
        {
          "name": "Nutrient drink",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-05-10",
      "completion_date": "2024-01",
      "has_results": false,
      "last_update_posted_date": "2023-03-13",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03500354"
    },
    {
      "nct_id": "NCT00692120",
      "title": "Clinical Approaches to Correcting Vitamin D Inadequacy and Maintaining Adequacy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Inadequacy",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol (vitamin D3)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Ergocalciferol (vitamin D2)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2007-02",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00692120"
    },
    {
      "nct_id": "NCT00285090",
      "title": "Bone Mineral Density, Body Composition and Growth Following Severe Burn Injury",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Burn",
        "Growth",
        "Malnutrition"
      ],
      "interventions": [
        {
          "name": "Calcium,Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Calcium, VitaminD",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sugar Pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Kathy Prelack, PhD, RD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "4 Years to 18 Years"
      },
      "enrollment_count": 60,
      "start_date": "2005-02",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2011-12-20",
      "last_synced_at": "2026-10-21T13:06:20.695Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285090"
    }
  ]
}