{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Nitrate+Supplementation&page=2",
    "query": {
      "condition": "Nitrate Supplementation",
      "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?condition=Nitrate+Supplementation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T16:26:14.557Z",
  "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": "NCT02593305",
      "title": "Dietary Nitrate and Physiological Aging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Super Beets",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Super Beets Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Darren P Casey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 23,
      "start_date": "2015-10",
      "completion_date": "2017-04-28",
      "has_results": true,
      "last_update_posted_date": "2019-10-14",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02593305"
    },
    {
      "nct_id": "NCT03692572",
      "title": "Influence of Early Menopause on Sympathetic Activation and Cardiovascular Function in Older Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Menopause",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Nitrate supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 70 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2018-08-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-06-12",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692572"
    },
    {
      "nct_id": "NCT07216755",
      "title": "Effects of Breathing Training and Nitrate on Exercise at Simulated Altitude",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults",
        "Mechanical Ventilation Dependence",
        "Hypoxia",
        "Exercise Training",
        "Exercise Intolerance",
        "Dietary Supplement",
        "Nitrate Supplementation",
        "Inspiratory Muscle Training"
      ],
      "interventions": [
        {
          "name": "Respiratory Muscle Training (RMT)",
          "type": "DEVICE"
        },
        {
          "name": "Sham Respiratory Muscle Training",
          "type": "DEVICE"
        },
        {
          "name": "Dietary Supplement: Beetroot Juice Concentrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo beverage",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Embry-Riddle Aeronautical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 80,
      "start_date": "2025-09-01",
      "completion_date": "2028-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216755"
    },
    {
      "nct_id": "NCT02293616",
      "title": "Strength Testing After Nitrate Delivery (STAND) in ICU Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Failure"
      ],
      "interventions": [
        {
          "name": "Nitrate Rich Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "56 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "56 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2015-06",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2018-07-18",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02293616"
    },
    {
      "nct_id": "NCT02162927",
      "title": "Dietary Nitrate Supplementation and Crossfit Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Performance"
      ],
      "interventions": [
        {
          "name": "Dietary Nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Potassium Chloride (placebo)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "20 Years to 35 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2014-08",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-03-04",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 2,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162927"
    },
    {
      "nct_id": "NCT03459027",
      "title": "Nitrate Supplementation and Muscle Blood Flow",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vasodilation",
        "Blood Pressure",
        "Active Hyperemia",
        "Aging"
      ],
      "interventions": [
        {
          "name": "Super Beets",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Beetroot powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-10-10",
      "completion_date": "2018-02-08",
      "has_results": false,
      "last_update_posted_date": "2019-01-09",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03459027"
    },
    {
      "nct_id": "NCT05618574",
      "title": "Nitrite Supplementation in Long COVID Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Long COVID",
        "Cardiorespiratory Fitness"
      ],
      "interventions": [
        {
          "name": "140 ml per day of Beet-It nitrate beverage (James White Drinks Ltd., Ipswich, UK)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "210 ml of nitrate-depleted placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2023-12-01",
      "completion_date": "2025-02-14",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05618574"
    },
    {
      "nct_id": "NCT03506646",
      "title": "Dietary Nitrate Supplementation and Thermoregulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease",
        "Peripheral Artery Disease"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Beet root juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 11,
      "start_date": "2018-09-05",
      "completion_date": "2022-12-15",
      "has_results": true,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03506646"
    },
    {
      "nct_id": "NCT05957835",
      "title": "The Effect of Beetroot Juice Supplementation Dose on Neuromuscular Performance During Resistance Exercise",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "High Nitrate Dose",
        "Moderate Nitrate Dose",
        "Low Nitrate Dose",
        "Nitrate-depleted Dose"
      ],
      "interventions": [
        {
          "name": "BR-HIGH",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "BR-MOD",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "BR-LOW",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "PL",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Pepperdine University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "MALE",
        "summary": "18 Years to 45 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2023-05-23",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-07-24",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "Malibu, California",
      "locations": [
        {
          "city": "Malibu",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05957835"
    },
    {
      "nct_id": "NCT05532423",
      "title": "Nitrate Supplementation and Cerebrovascular and Cognitive Function in Metabolic Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Beetroot Juice - Active",
          "type": "DRUG"
        },
        {
          "name": "beetroot juice - Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 22,
      "start_date": "2022-12-01",
      "completion_date": "2024-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-07-22T16:26:14.557Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05532423"
    }
  ]
}