{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=B+Vitamin+Deficiency&page=2",
    "query": {
      "condition": "B Vitamin Deficiency",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=B+Vitamin+Deficiency&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T10:13:26.037Z",
  "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": "NCT00037063",
      "title": "A Study to See if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV Drugs",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Thiamine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Riboflavin",
          "type": "DRUG"
        },
        {
          "name": "Ascorbic acid",
          "type": "DRUG"
        },
        {
          "name": "Vitamin E",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-06-04",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 4,
      "location_summary": "Denver, Colorado • Cleveland, Ohio • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00037063"
    },
    {
      "nct_id": "NCT02974257",
      "title": "Thiamine vs. Placebo to Increase Oxygen Consumption After Cardiac Arrest",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiac Arrest",
        "Shock",
        "Lactic Acidosis",
        "Thiamin Deficiency"
      ],
      "interventions": [
        {
          "name": "Thiamine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2017-05-01",
      "completion_date": "2022-08-01",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02974257"
    },
    {
      "nct_id": "NCT01136512",
      "title": "Metformin Use and Vitamin B12 Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vitamin B12 Deficiency",
        "Type 2 Diabetes Mellitus"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 89,
      "start_date": "2007-08",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2013-07-31",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Staten Island, New York",
      "locations": [
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01136512"
    },
    {
      "nct_id": "NCT00473200",
      "title": "Effect of S-adenosylmethionine (SAMe) on Blood Levels of Homocysteine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hyperhomocysteinemia"
      ],
      "interventions": [
        {
          "name": "S-adenosylmethionine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2009-08",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2018-03-14",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00473200"
    },
    {
      "nct_id": "NCT05935631",
      "title": "Feasibility, Acceptability and Directional Signal Effect on Blood Folate Levels of Iodized Salt Fortified With Folic Acid: Clinical Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neural Tube Defects",
        "Folic Acid Deficiency",
        "Fortification"
      ],
      "interventions": [
        {
          "name": "Salt with folic acid and iodine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2023-01-24",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05935631"
    },
    {
      "nct_id": "NCT00843453",
      "title": "Long-term Use of Proton Pump Inhibitors May Cause Vitamin B12 Deficiency in the Institutionalized Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin B12 Deficiency"
      ],
      "interventions": [
        {
          "name": "blood collection",
          "type": "OTHER"
        },
        {
          "name": "treatment (cyanocobalamin nasal spray)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Delaware",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "60 Years to 89 Years"
      },
      "enrollment_count": 36,
      "start_date": "2006-11",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2009-07-23",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 2,
      "location_summary": "Manchester, Maryland • Timonium, Maryland",
      "locations": [
        {
          "city": "Manchester",
          "state": "Maryland"
        },
        {
          "city": "Timonium",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00843453"
    },
    {
      "nct_id": "NCT01399164",
      "title": "Cobalamin Absorption From Fortified Food",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin B-12 Deficiency",
        "Achlorhydria"
      ],
      "interventions": [
        {
          "name": "14C-B12 fortified bread",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2010-01",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2013-10-22",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01399164"
    },
    {
      "nct_id": "NCT06910943",
      "title": "Study of Choline Chloride for Injection in Adolescent and Adult Patients With Intestinal Failure Receiving Long Term Parenteral Support",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Choline Deficiency",
        "Liver Injury"
      ],
      "interventions": [
        {
          "name": "Choline Chloride for Injection",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Protara Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 129,
      "start_date": "2025-12-10",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 7,
      "location_summary": "Aurora, Colorado • Miami Lakes, Florida • Omaha, Nebraska + 4 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06910943"
    },
    {
      "nct_id": "NCT01876732",
      "title": "Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin B12 Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin B12",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 132,
      "start_date": "2009-06",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2014-09-08",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Staten Island, New York",
      "locations": [
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01876732"
    },
    {
      "nct_id": "NCT01128244",
      "title": "Vitamin B6 Effects for Women Taking Birth Control Pills",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Vitamin B6 Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin B6",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Infusion of labeled serine, methionine and leucine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "20 Years to 40 Years · Female only"
      },
      "enrollment_count": 13,
      "start_date": "2010-04",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-02-07",
      "last_synced_at": "2026-07-22T10:13:26.037Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01128244"
    }
  ]
}