{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=beetroot+and+placebo&page=2",
    "query": {
      "intervention": "beetroot and placebo",
      "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=beetroot+and+placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T16:32:15.860Z",
  "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": "NCT06480695",
      "title": "Exercise Training Intensity and Nitrate Supplementation in Post-Menopausal Females",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Nitrate-Rich Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Intensity Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Moderate Intensity Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nitrate-Depleted Placebo Beetroot Juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 75 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2025-07-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06480695"
    },
    {
      "nct_id": "NCT04770155",
      "title": "Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vascular Function",
        "Racial Disparity"
      ],
      "interventions": [
        {
          "name": "Dietary Nitrates 400 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "L-citrulline 3 g",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sildenafil 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Bosentan 125 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Mississippi Medical Center",
      "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": 8,
      "start_date": "2021-05-27",
      "completion_date": "2021-09-20",
      "has_results": true,
      "last_update_posted_date": "2023-10-31",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770155"
    },
    {
      "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": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05532423"
    },
    {
      "nct_id": "NCT03617302",
      "title": "Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Aging",
        "Arterial Stiffness",
        "Endothelial Dysfunction",
        "Hypertension",
        "Cognitive Decline"
      ],
      "interventions": [
        {
          "name": "Experimental: Nitrate-containing",
          "type": "DRUG"
        },
        {
          "name": "Placebo: Nitrate-depleted",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gary L. Pierce, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "50 Years to 79 Years"
      },
      "enrollment_count": 16,
      "start_date": "2018-11-01",
      "completion_date": "2024-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03617302"
    },
    {
      "nct_id": "NCT03644472",
      "title": "Postmenopausal Women and Their Endothelium",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postmenopausal Women"
      ],
      "interventions": [
        {
          "name": "nitrate rich beetroot juice",
          "type": "DRUG"
        },
        {
          "name": "nitrate depleted beetroot juice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "Up to 70 Years · Female only"
      },
      "enrollment_count": 37,
      "start_date": "2018-11-07",
      "completion_date": "2023-02-20",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03644472"
    },
    {
      "nct_id": "NCT05864521",
      "title": "Beetroot Juice and Sleep",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Active Beetroot Juice Supplement (aBRJ)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Beetroot Juice Supplement (pBRJ)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-09-28",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05864521"
    },
    {
      "nct_id": "NCT04588740",
      "title": "Inorganic Nitrate: Sex Differences in Muscle Contractile Function and Efficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "concentrated beet root juice",
          "type": "DRUG"
        },
        {
          "name": "Placebo beet root juice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "18 Years to 34 Years"
      },
      "enrollment_count": 35,
      "start_date": "2020-01-20",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04588740"
    },
    {
      "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": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216755"
    },
    {
      "nct_id": "NCT06274385",
      "title": "The Effects of an Acute Dose of a Betalain-rich Concentrate on Repeated-sprint Cycling Performance and Recovery.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutraceuticals"
      ],
      "interventions": [
        {
          "name": "Betalain-rich concentrate (AltRed)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Drexel 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": 10,
      "start_date": "2024-03-06",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06274385"
    },
    {
      "nct_id": "NCT03930563",
      "title": "Inorganic Nitrate and OSA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Pre-beetroot juice supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Post-beetroot juice supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 21,
      "start_date": "2019-06-12",
      "completion_date": "2020-03-06",
      "has_results": false,
      "last_update_posted_date": "2021-04-27",
      "last_synced_at": "2026-09-29T16:32:15.860Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03930563"
    }
  ]
}