{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beetroot+juice+placebo&page=3",
    "query": {
      "intervention": "Beetroot juice placebo",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 66,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beetroot+juice+placebo&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Beetroot+juice+placebo&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T09:53:18.870Z",
  "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": "NCT03380000",
      "title": "Effect of Beetroot Juice on Blood Pressure Regulation in Post Menopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postmenopausal Women"
      ],
      "interventions": [
        {
          "name": "Beetroot juice",
          "type": "DRUG"
        },
        {
          "name": "Beetroot juice placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 80 Years · Female only"
      },
      "enrollment_count": 16,
      "start_date": "2014-09-12",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03380000"
    },
    {
      "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": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770155"
    },
    {
      "nct_id": "NCT04283630",
      "title": "Nitrate and Vitamin C on Vascular Health Oxidative Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Dietary nitrate in the form of beetroot juice for all participnats",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nature Made vitamin c 1000 mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "David Travis Thomas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "50 Years to 70 Years"
      },
      "enrollment_count": 23,
      "start_date": "2018-02-05",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2020-02-25",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 2,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04283630"
    },
    {
      "nct_id": "NCT07131384",
      "title": "Interaction Between Inorganic Nitrate Supplementation and Metformin in Individuals With Prediabetes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Males",
        "Females",
        "Sedentary",
        "Metformin",
        "Prediabetes"
      ],
      "interventions": [
        {
          "name": "Dietary Supplement: Inorganic Nitrate (Beetroot juice)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary supplement: Placebo (Nitrate-depleted beetroot juice)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-01-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07131384"
    },
    {
      "nct_id": "NCT03595774",
      "title": "Dose-response Effect of Dietary Nitrate on Muscle Function in Older Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Aging",
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Beet root juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "65 Years to 79 Years"
      },
      "enrollment_count": 13,
      "start_date": "2018-09-01",
      "completion_date": "2021-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03595774"
    },
    {
      "nct_id": "NCT01682356",
      "title": "Dietary Nitrate for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Hypertension, Pulmonary"
      ],
      "interventions": [
        {
          "name": "Beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2012-01",
      "completion_date": "2023-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • St Louis, Missouri",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01682356"
    },
    {
      "nct_id": "NCT06657976",
      "title": "Response to Exercise and Nitric Oxide in PAD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Peripheral Artery Disease",
        "Exercise",
        "Intermittent Claudication",
        "Nitric Oxide"
      ],
      "interventions": [
        {
          "name": "Supervised Treadmill Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nitrate-Rich Beetroot Juice + supervised exercise therapy",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo + supervised exercise therapy",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-01-23",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06657976"
    },
    {
      "nct_id": "NCT04103736",
      "title": "The Effect of Dietary Nitrates on Physical Performance and Vascular Function in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Kidney Disease, Chronic",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Beet It Sport Shot",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nitrate-depleted placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Delaware",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2015-12-01",
      "completion_date": "2017-06-29",
      "has_results": false,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103736"
    },
    {
      "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": "2026-10-05T09:53:18.870Z",
      "location_count": 1,
      "location_summary": "Daytona Beach, Florida",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216755"
    },
    {
      "nct_id": "NCT06416228",
      "title": "Beetroot Juice NO Cold Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Respiratory Tract Infections",
        "Cold Symptoms",
        "Exhaled Nitric Oxide"
      ],
      "interventions": [
        {
          "name": "Beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Southern Methodist University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-04-02",
      "completion_date": "2026-05-15",
      "has_results": false,
      "last_update_posted_date": "2024-05-16",
      "last_synced_at": "2026-10-05T09:53:18.870Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Waco, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Waco",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06416228"
    }
  ]
}