{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vitamin+B-Complex+Supplement&page=2",
    "query": {
      "intervention": "Vitamin B-Complex Supplement",
      "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?intervention=Vitamin+B-Complex+Supplement&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T01:23:20.612Z",
  "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": "NCT03909789",
      "title": "Effect of Inorganic Nitrate Supplement on Blood Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Pressure",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Plant based bioequivalent Nitrate supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 67,
      "start_date": "2017-11-17",
      "completion_date": "2018-06-22",
      "has_results": false,
      "last_update_posted_date": "2019-04-12",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Torrance, California",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03909789"
    },
    {
      "nct_id": "NCT00642746",
      "title": "Erlotinib and Chemotherapy for 2nd Line Treatment (Tx) of Metastatic Colorectal Cancer (mCRC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "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": 16,
      "start_date": "2008-03",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2014-09-26",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00642746"
    },
    {
      "nct_id": "NCT00220012",
      "title": "Effect of Folate on Colon and Blood Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Subjects Will Have a Pre-cancerous Colorectal Polyp",
        "Family Member Has History of Colorectal Adenoma of Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Folate depletion and supplementation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rockefeller University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "40 Years to 72 Years"
      },
      "enrollment_count": 20,
      "start_date": "2003-06",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2013-11-15",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00220012"
    },
    {
      "nct_id": "NCT06523218",
      "title": "A Clinical Trial to Investigate the Efficacy of a Supplement to Improve and Maintain Cognitive Function and Memory",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Decline",
        "Cognitive Function"
      ],
      "interventions": [
        {
          "name": "MindMD Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Scale Media Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 50,
      "start_date": "2024-05-17",
      "completion_date": "2024-08-17",
      "has_results": false,
      "last_update_posted_date": "2024-07-26",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06523218"
    },
    {
      "nct_id": "NCT01953757",
      "title": "A Nutritional Intervention for Diabetic Neuropathy (WCCR-DN2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetic Neuropathy"
      ],
      "interventions": [
        {
          "name": "Vegan diet and vitamin B12 supplement",
          "type": "OTHER"
        },
        {
          "name": "Vitamin B12 supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Physicians Committee for Responsible Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-09",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2015-04-27",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953757"
    },
    {
      "nct_id": "NCT00235573",
      "title": "Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disorder of Vitamin B12"
      ],
      "interventions": [
        {
          "name": "Vitamin B12",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 21,
      "start_date": "2005-10",
      "completion_date": "2005-11",
      "has_results": true,
      "last_update_posted_date": "2011-12-22",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00235573"
    },
    {
      "nct_id": "NCT02124642",
      "title": "Folic Acid Supplementation in Pregnant Women: Dose Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Folic acid, 400 mcg/day",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Folic acid 800 mcg/day",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Georgia",
      "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": 51,
      "start_date": "2014-05",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2018-03-05",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02124642"
    },
    {
      "nct_id": "NCT02676882",
      "title": "EnBrace HR for Depression Treatment and Prevention in Women Trying to Conceive and Early Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depressive Disorder",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "EnBrace HR",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2017-01-24",
      "completion_date": "2018-11-30",
      "has_results": true,
      "last_update_posted_date": "2019-09-20",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02676882"
    },
    {
      "nct_id": "NCT03828097",
      "title": "The Effects of a Multi-vitamin Supplement in Adult Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health, Subjective"
      ],
      "interventions": [
        {
          "name": "Experimental supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Auburn University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 40 Years · Female only"
      },
      "enrollment_count": 94,
      "start_date": "2018-05-01",
      "completion_date": "2019-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-28",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Auburn, Alabama",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03828097"
    },
    {
      "nct_id": "NCT00932113",
      "title": "Mechanism of Action Study for Psoriasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Adalimumab (Humira)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 33,
      "start_date": "2009-06",
      "completion_date": "2017-05-01",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-09-28T01:23:20.612Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00932113"
    }
  ]
}