{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=vitamin+D2&page=2",
    "query": {
      "intervention": "vitamin D2",
      "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+D2&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T00:41:02.766Z",
  "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": "NCT04983017",
      "title": "2021 PMT iAge® Intervention Trial by Edifice Health",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Inflammation",
        "Inflammaging"
      ],
      "interventions": [
        {
          "name": "Dietary supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Edifice Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 781,
      "start_date": "2021-08-10",
      "completion_date": "2022-09-09",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 2,
      "location_summary": "Greenbrae, California • Suwanee, Georgia",
      "locations": [
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Suwanee",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04983017"
    },
    {
      "nct_id": "NCT01443897",
      "title": "Effect of Consumption of Post-harvest UV-B Treated Mushrooms on Vitamin D Status of Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "1,000 IU vitamin D2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "mushrooms",
          "type": "OTHER"
        },
        {
          "name": "UVB-treated mushrooms, 400 IU vitamin D2",
          "type": "OTHER"
        },
        {
          "name": "UVB-treated mushrooms, 1,000 IU vitamin D2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "USDA, Western Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "20 Years to 59 Years"
      },
      "enrollment_count": 48,
      "start_date": "2010-05",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2011-09-30",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01443897"
    },
    {
      "nct_id": "NCT03046927",
      "title": "Vitamin D and Residual Beta-Cell Function in Type 1 Diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Ergocalciferol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Benjamin U. Nwosu, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 48,
      "start_date": "2017-10-19",
      "completion_date": "2021-04-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-10",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03046927"
    },
    {
      "nct_id": "NCT06261905",
      "title": "Vitamin D in OUD: Exploration of Alterations on the Dopamine D2/D3 Receptor System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "[11C]-PHNO",
          "type": "DRUG"
        },
        {
          "name": "Calcitriol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Control",
          "type": "OTHER"
        },
        {
          "name": "PET Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 5,
      "start_date": "2024-03-13",
      "completion_date": "2025-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06261905"
    },
    {
      "nct_id": "NCT01375660",
      "title": "D Vitamin Intervention in VA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impaired Fasting Glucose",
        "Impaired Glucose Tolerance",
        "Vitamin D Insufficiency"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "50K vitamin D2",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "85 Years",
        "sex": "MALE",
        "summary": "35 Years to 85 Years · Male only"
      },
      "enrollment_count": 205,
      "start_date": "2011-05",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01375660"
    },
    {
      "nct_id": "NCT05084248",
      "title": "Vitamin D Deficiency in Adults Following a Major Burn Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vitamin D Deficiency",
        "Burns"
      ],
      "interventions": [
        {
          "name": "Ergocalciferol Capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern 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": 48,
      "start_date": "2022-09-29",
      "completion_date": "2025-08-18",
      "has_results": false,
      "last_update_posted_date": "2025-12-15",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05084248"
    },
    {
      "nct_id": "NCT01825616",
      "title": "Vitamin D2, Muscle Damage, NASCAR Pitcrew",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Function",
        "Muscle Soreness",
        "Vitamin D Status"
      ],
      "interventions": [
        {
          "name": "Vitamin D2 mushroom powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "20 Years to 40 Years · Male only"
      },
      "enrollment_count": 33,
      "start_date": "2012-10",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-04-09",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 3,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        },
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        },
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01825616"
    },
    {
      "nct_id": "NCT01320722",
      "title": "Study of Vitamin D and Uric Acid Lowering on Kidney and Blood Vessel Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Renal Function",
        "Endothelial Function",
        "Blood Pressure",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Vitamin D ergocalciferol",
          "type": "DRUG"
        },
        {
          "name": "Probenecid",
          "type": "DRUG"
        },
        {
          "name": "Allopurinol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 242,
      "start_date": "2011-03",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01320722"
    },
    {
      "nct_id": "NCT01029002",
      "title": "The Effects of Vitamin D Repletion in Vitamin D Deficient Patients With Stage 3 and 4 Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Renal Insufficiency",
        "Proteinuria"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2009-10",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2023-08-16",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01029002"
    },
    {
      "nct_id": "NCT01180946",
      "title": "Vitamin D Deficiency in Adolescent Girls",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "ergocalciferol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "9 Years to 18 Years · Female only"
      },
      "enrollment_count": 90,
      "start_date": "2010-09",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-11-05",
      "last_synced_at": "2026-09-29T00:41:02.766Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01180946"
    }
  ]
}