{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vitamin+B12&page=7",
    "query": {
      "intervention": "vitamin B12",
      "page": 7
    },
    "page_size": 10
  },
  "pagination": {
    "page": 7,
    "page_size": 10,
    "total_count": 167,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vitamin+B12&page=8&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vitamin+B12&page=6&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T22:37:35.310Z",
  "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": "NCT02876315",
      "title": "The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Redoxon VI",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Oregon State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 42,
      "start_date": "2016-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2022-12-01",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876315"
    },
    {
      "nct_id": "NCT00183586",
      "title": "Comparing the Effectiveness of Three Types of Therapy for the Treatment of Anorexia Nervosa in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eating Disorders"
      ],
      "interventions": [
        {
          "name": "Family therapy (FT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Individual therapy (IT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 121,
      "start_date": "2004-04",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-06-20",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00183586"
    },
    {
      "nct_id": "NCT05067998",
      "title": "The Benefits of Natural Medicine, Vitamin IV Therapy and Supplements: Maintaining Good Health Through Nature",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anxiety Disorders and Symptoms",
        "Fibromyalgia",
        "Arthritis",
        "Chronic Pain",
        "Hypertension,Essential"
      ],
      "interventions": [
        {
          "name": "IV Vitamin Infused Therapy Treatment",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Herbal medicine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Faith A. Richardson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-12-21",
      "completion_date": "2026-09-17",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Dover, Delaware",
      "locations": [
        {
          "city": "Dover",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05067998"
    },
    {
      "nct_id": "NCT05096663",
      "title": "Testing the Use of Combination Immunotherapy Treatment (N-803 [ALT-803] Plus Pembrolizumab) Against the Usual Treatment for Advanced Non-small Cell Lung Cancer (A Lung-MAP Treatment Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Advanced Lung Non-Small Cell Carcinoma",
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Stage III Lung Cancer AJCC v8",
        "Stage IIIA Lung Cancer AJCC v8",
        "Stage IIIB Lung Cancer AJCC v8",
        "Stage IIIC Lung Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IVA Lung Cancer AJCC v8",
        "Stage IVB Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Cobalamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Folic Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Nogapendekin Alfa",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Ramucirumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 82,
      "start_date": "2022-03-15",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-18",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 350,
      "location_summary": "Birmingham, Alabama • Goodyear, Arizona • Little Rock, Arkansas + 280 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Arroyo Grande",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05096663"
    },
    {
      "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": "2026-10-09T22:37:35.310Z",
      "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": "NCT01247558",
      "title": "Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Peripheral Neuropathy (DPN)"
      ],
      "interventions": [
        {
          "name": "Metanx® (a medical food)",
          "type": "OTHER"
        },
        {
          "name": "Not treated with Metanx®",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pamlab, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 500,
      "start_date": "2010-11",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2012-07-25",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01247558"
    },
    {
      "nct_id": "NCT05337150",
      "title": "Remotely Delivered Behavioral Weight Loss Using an Ad Libitum Plant-Based Diet Versus a Balanced Calorie Deficit Diet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Lifestyle Modification Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Balanced Calorie Deficit Eating Plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Ad Libitum Whole Food Plant-Based Eating Plan",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Drexel University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 55,
      "start_date": "2022-05-29",
      "completion_date": "2023-03-24",
      "has_results": false,
      "last_update_posted_date": "2023-09-14",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05337150"
    },
    {
      "nct_id": "NCT01039792",
      "title": "Trial of Methyl B12 on Behavioral and Metabolic Measures in Children With Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autistic Disorder"
      ],
      "interventions": [
        {
          "name": "Methyl B12",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 57,
      "start_date": "2010-01",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-02-24",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01039792"
    },
    {
      "nct_id": "NCT03955042",
      "title": "Pemetrexed for the Treatment of Chordoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chordoma"
      ],
      "interventions": [
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Saint John's Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2019-09-06",
      "completion_date": "2023-01-18",
      "has_results": false,
      "last_update_posted_date": "2023-03-07",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03955042"
    },
    {
      "nct_id": "NCT07385144",
      "title": "A Study of a Dietary Supplement on Serum Biomarkers in Children",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Status",
        "Serum Biomarkers"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement (Kids Multi & Omegas)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "SF Research Institute, Inc.",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "4 Years to 15 Years"
      },
      "enrollment_count": 30,
      "start_date": "2026-01-30",
      "completion_date": "2026-03-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-10-09T22:37:35.310Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07385144"
    }
  ]
}