{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nicotinamide+500+mg",
    "query": {
      "intervention": "Nicotinamide 500 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 51,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nicotinamide+500+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T22:25:32.986Z",
  "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": "NCT03821623",
      "title": "Nicotinamide Riboside for Treating Elevated Systolic Blood Pressure and Arterial Stiffness in Middle-aged and Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Nicotinamide riboside",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Douglas Seals",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 118,
      "start_date": "2019-05-10",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-21",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821623"
    },
    {
      "nct_id": "NCT00703638",
      "title": "Sorafenib, Pemetrexed, and Cisplatin in Treating Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Colorectal Cancer",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Mesothelioma",
        "Pancreatic Cancer",
        "Prostate Cancer",
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "pemetrexed disodium",
          "type": "DRUG"
        },
        {
          "name": "sorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2008-05",
      "completion_date": "2010-11",
      "has_results": false,
      "last_update_posted_date": "2017-11-29",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00703638"
    },
    {
      "nct_id": "NCT03789175",
      "title": "Nicotinamide Riboside on Mitochondrial Function in Li-Fraumeni Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cancer",
        "Skin Fibroblasts",
        "Muscle Weakness"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside (NR)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-03-25",
      "completion_date": "2019-11-01",
      "has_results": true,
      "last_update_posted_date": "2020-12-08",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03789175"
    },
    {
      "nct_id": "NCT03642990",
      "title": "NR in Chemo-induced Peripheral Neuropathy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chemotherapy-induced Peripheral Neuropathy",
        "Breast Cancer Metastatic",
        "Platinum-resistant Recurrent Ovarian Cancer",
        "Head and Neck Cancer Stage IV",
        "Endometrial Cancer Stage IV"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Donna Hammond, PhD",
      "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": 5,
      "start_date": "2019-11-08",
      "completion_date": "2022-02-24",
      "has_results": true,
      "last_update_posted_date": "2023-04-12",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 2,
      "location_summary": "Iowa City, Iowa • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03642990"
    },
    {
      "nct_id": "NCT06382688",
      "title": "IV Administration of ChromaDex's Niagen® as Compared to NAD+",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Aging"
      ],
      "interventions": [
        {
          "name": "NAD+ (nicotinamide adenine dinucleotide) IV",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Niagen® (nicotinamide riboside) IV",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Niagen® (nicotinamide riboside) oral",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Nutraceuticals Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2023-11-13",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Franklin, Tennessee",
      "locations": [
        {
          "city": "Franklin",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06382688"
    },
    {
      "nct_id": "NCT01984073",
      "title": "Effects of Niacin On Fatty Acid Trapping",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Dyslipidemia"
      ],
      "interventions": [
        {
          "name": "ER Niacin Oral Fat Challenge",
          "type": "DRUG"
        },
        {
          "name": "IR Niacin Oral Fat Challenge",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Fat Challenge",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "22 Years to 75 Years"
      },
      "enrollment_count": 26,
      "start_date": "2012-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-07-09",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01984073"
    },
    {
      "nct_id": "NCT03980574",
      "title": "Dietary Supplementation in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "R Drink",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2019-04-01",
      "completion_date": "2020-06-29",
      "has_results": false,
      "last_update_posted_date": "2021-10-22",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03980574"
    },
    {
      "nct_id": "NCT04464070",
      "title": "Pathways of Eicosanoid Metabolism",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Metabolism of Prostaglandin D2"
      ],
      "interventions": [
        {
          "name": "niacin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "aspirin",
          "type": "DRUG"
        },
        {
          "name": "PGD2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-08-15",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464070"
    },
    {
      "nct_id": "NCT04166396",
      "title": "Non-pulmonary Contributors of Exercise Intolerance in Patients With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Resveratrol",
          "type": "DRUG"
        },
        {
          "name": "NR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2020-02-17",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166396"
    },
    {
      "nct_id": "NCT00197704",
      "title": "Nutrition, Immunology and Epidemiology of Tuberculosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tuberculosis"
      ],
      "interventions": [
        {
          "name": "Multivitamins",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Harvard School of Public Health (HSPH)",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 876,
      "start_date": "2000-03",
      "completion_date": "2004-05",
      "has_results": false,
      "last_update_posted_date": "2010-11-11",
      "last_synced_at": "2026-09-16T22:25:32.986Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00197704"
    }
  ]
}