{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Vitamin+B12B&page=2",
    "query": {
      "intervention": "Vitamin B12B",
      "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+B12B&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T01:37:26.757Z",
  "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": "NCT00860470",
      "title": "Antenatal Micronutrient Supplementation and Infant Survival",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Infant Mortality",
        "Preterm Birth",
        "Low Birth Weight",
        "Neonatal Mortality",
        "Perinatal Mortality"
      ],
      "interventions": [
        {
          "name": "Iron (27 mg) - folic acid (600 ug)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multiple micronutrient",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 45 Years · Female only"
      },
      "enrollment_count": 44567,
      "start_date": "2008-01",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00860470"
    },
    {
      "nct_id": "NCT01118624",
      "title": "Study of Pralatrexate in Female Patients With Previously-treated Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Tumors",
        "Neoplasms, Breast",
        "Cancer of the Breast",
        "Human Mammary Carcinoma"
      ],
      "interventions": [
        {
          "name": "Pralatrexate Injection",
          "type": "DRUG"
        },
        {
          "name": "Vitamin B12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Folic Acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Acrotech Biopharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2010-03",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon • Memphis, Tennessee",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01118624"
    },
    {
      "nct_id": "NCT00554827",
      "title": "Study of Pralatrexate in Patients With Relapsed or Refractory Cutaneous T-cell Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cutaneous T-cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Vitamin B12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Folic Acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Pralatrexate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Acrotech Biopharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2007-08",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2020-01-03",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 10,
      "location_summary": "Duarte, California • Redwood City, California • New Haven, Connecticut + 6 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00554827"
    },
    {
      "nct_id": "NCT03735316",
      "title": "Vitamin B12a Vasoplegic Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Vasoplegic Syndrome"
      ],
      "interventions": [
        {
          "name": "Hydroxocobalamin",
          "type": "DRUG"
        },
        {
          "name": "Cardiopulmonary Bypass",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2019-04-25",
      "completion_date": "2022-04-01",
      "has_results": true,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03735316"
    },
    {
      "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": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "Corvallis, Oregon",
      "locations": [
        {
          "city": "Corvallis",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876315"
    },
    {
      "nct_id": "NCT01188876",
      "title": "Carboplatin/Pralatrexate in Recurrent Platinum-Sensitive Ovarian, Fallopian or Primary Peritoneal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Fallopian Tube Cancer",
        "Peritoneal Cancer"
      ],
      "interventions": [
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "pralatrexate",
          "type": "DRUG"
        },
        {
          "name": "Folic Acid",
          "type": "DRUG"
        },
        {
          "name": "Vitamin B12 Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 50,
      "start_date": "2010-08",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2018-01-19",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01188876"
    },
    {
      "nct_id": "NCT00667498",
      "title": "Metabolic Effect of Metformin in Obese Insulin Resistant Adolescents With Normal Glucose Tolerance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pediatric Obesity",
        "Insulin Resistance",
        "Hyperinsulinemia"
      ],
      "interventions": [
        {
          "name": "Metformin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "13 Years to 17 Years"
      },
      "enrollment_count": 28,
      "start_date": "2004-03",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2009-02-18",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00667498"
    },
    {
      "nct_id": "NCT04220892",
      "title": "Pilot Study of Pembrolizumab Combined With Pemetrexed or Abemaciclib for High Grade Glioma",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "High Grade Glioma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jose Carrillo",
      "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": "2020-07-08",
      "completion_date": "2020-07-08",
      "has_results": false,
      "last_update_posted_date": "2020-07-31",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04220892"
    },
    {
      "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": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "Auburn, Alabama",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03828097"
    },
    {
      "nct_id": "NCT02824575",
      "title": "Rebastinib Plus Antitubulin Therapy With Paclitaxel or Eribulin in Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Adenocarcinoma",
        "Human Epidermal Growth Factor 2 Negative Carcinoma of Breast",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Rebastinib",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Eribulin Mesylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Montefiore Medical Center",
      "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": 28,
      "start_date": "2016-07",
      "completion_date": "2021-12-27",
      "has_results": false,
      "last_update_posted_date": "2022-04-04",
      "last_synced_at": "2026-09-29T01:37:26.757Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02824575"
    }
  ]
}