{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=10",
    "query": {
      "condition": "Dietary Deficiency",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 604,
    "total_pages": 61,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dietary+Deficiency&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T00:04:06.559Z",
  "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": "NCT04673721",
      "title": "PROSPective Evaluation of Fortified Eggs Related to Improvement in The Biomarker Profile for Your Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypercholesterolemia",
        "Hyperlipidemia",
        "Vitamin Deficiency",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Fortified eggs",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Intermittent fasting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Non-egg supplemented",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Usual care diet",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2021-01-06",
      "completion_date": "2022-12-13",
      "has_results": false,
      "last_update_posted_date": "2023-01-23",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04673721"
    },
    {
      "nct_id": "NCT01990092",
      "title": "The Nutritional Benefits of Metanx in Patients With Diabetic Peripheral Neuropathy (MEDIAN)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Peripheral Neuropathy",
        "B Vitamin Deficiency"
      ],
      "interventions": [
        {
          "name": "Metanx",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pamlab, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 238,
      "start_date": "2013-11",
      "completion_date": "2018-03",
      "has_results": false,
      "last_update_posted_date": "2016-01-18",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 25,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 21 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01990092"
    },
    {
      "nct_id": "NCT04628000",
      "title": "Baseline Vitamin D Deficiency and COVID-19 Disease Severity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vitamin D Deficiency",
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Parkview Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 50,
      "start_date": "2020-10-27",
      "completion_date": "2022-04-14",
      "has_results": false,
      "last_update_posted_date": "2022-10-04",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Pueblo, Colorado",
      "locations": [
        {
          "city": "Pueblo",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04628000"
    },
    {
      "nct_id": "NCT03584646",
      "title": "Prehabilitation Intervention to Maximize Early Recovery (PRIMER) in Liver Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Diseases",
        "End Stage Liver Disease",
        "Frailty"
      ],
      "interventions": [
        {
          "name": "Nokia GO Wearable StepTracker",
          "type": "DEVICE"
        },
        {
          "name": "Medication Reminder",
          "type": "OTHER"
        },
        {
          "name": "Weekly Check-in appointment with study team or provider",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "21 Years to 95 Years"
      },
      "enrollment_count": 30,
      "start_date": "2018-02-28",
      "completion_date": "2022-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-01-11",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03584646"
    },
    {
      "nct_id": "NCT04862312",
      "title": "Video Chat During Meals to Improve Nutritional Intake in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Malnutrition",
        "Loneliness"
      ],
      "interventions": [
        {
          "name": "VideoDine",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "60 Years to 95 Years"
      },
      "enrollment_count": 33,
      "start_date": "2021-03-31",
      "completion_date": "2022-05-17",
      "has_results": false,
      "last_update_posted_date": "2022-09-26",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04862312"
    },
    {
      "nct_id": "NCT01050387",
      "title": "Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "6 Months to 6 Years"
      },
      "enrollment_count": 193,
      "start_date": "2010-01",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2014-08-05",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01050387"
    },
    {
      "nct_id": "NCT07524907",
      "title": "Stunting and Targeting Reduction of Impaired Growth in Kids Effectively",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Malnutrition (Calorie)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Abbott Nutrition",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "1 Year to 5 Years"
      },
      "enrollment_count": 158,
      "start_date": "2026-05-11",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07524907"
    },
    {
      "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": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00692120"
    },
    {
      "nct_id": "NCT00877812",
      "title": "Vitamin B6 Dependence of One-Carbon Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin B6 Deficiency"
      ],
      "interventions": [
        {
          "name": "Arm 1 glycine and leucine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Arm 2 Intervention of Serine and methionine infusion",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 45,
      "start_date": "2008-01",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2013-03-27",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877812"
    },
    {
      "nct_id": "NCT04556136",
      "title": "Comparing a Novel Phototherapy Kiosk to Oral Vitamin D Supplementation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypovitaminosis D"
      ],
      "interventions": [
        {
          "name": "Standing Phototherapy Kiosk",
          "type": "DEVICE"
        },
        {
          "name": "D3 Oral supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Madigan Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 106,
      "start_date": "2018-04-30",
      "completion_date": "2019-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-03-13",
      "last_synced_at": "2026-10-21T00:04:06.559Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04556136"
    }
  ]
}