{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrate-depleted+beetroot+juice",
    "query": {
      "intervention": "Nitrate-depleted beetroot juice"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 26,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitrate-depleted+beetroot+juice&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T18:10:38.145Z",
  "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": "NCT01919177",
      "title": "Effect of Inorganic Nitrates (Beetroot Juice) on Arterial Hemodynamics and Exercise Capacity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure With Normal Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Nitrate rich beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nitrate depleted beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Corporal Michael J. Crescenz VA Medical Center",
      "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": "2013-01",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01919177"
    },
    {
      "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": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03617302"
    },
    {
      "nct_id": "NCT05596474",
      "title": "Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health Care Utilization",
        "Healthy Aging"
      ],
      "interventions": [
        {
          "name": "Beet-root juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "red-light therapy",
          "type": "RADIATION"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "sham light",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "RADIATION"
      ],
      "sponsor": "Wake Forest University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2022-09-09",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05596474"
    },
    {
      "nct_id": "NCT03826147",
      "title": "Nitrite-boosting Therapy for Improving Physiological Function in Patients With Chronic Kidney Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "Nitrate-rich beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nitrate-depleted beetroot juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Boulder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "30 Years to 80 Years"
      },
      "enrollment_count": 92,
      "start_date": "2019-05-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Boulder, Colorado",
      "locations": [
        {
          "city": "Boulder",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03826147"
    },
    {
      "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": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03692572"
    },
    {
      "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": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07131384"
    },
    {
      "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": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "University Park, Pennsylvania",
      "locations": [
        {
          "city": "University Park",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03380000"
    },
    {
      "nct_id": "NCT03513302",
      "title": "Dietary Nitrate and Muscle Power With Aging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "nitrate",
          "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": 47,
      "start_date": "2019-03-01",
      "completion_date": "2022-08-30",
      "has_results": true,
      "last_update_posted_date": "2025-02-19",
      "last_synced_at": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03513302"
    },
    {
      "nct_id": "NCT05221905",
      "title": "Effects of Inorganic Nitrate and Intensity of Exercise on Cardiovascular Health in Post-Menopausal Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Vascular Dilation",
        "Arterial Stiffness"
      ],
      "interventions": [
        {
          "name": "BEET IT - Concentrate Beet root juice",
          "type": "DRUG"
        },
        {
          "name": "BEET IT - Concentrate Beet root juice (nitrate depleted)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 24,
      "start_date": "2021-11-01",
      "completion_date": "2023-04-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05221905"
    },
    {
      "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": "2026-09-22T18:10:38.145Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03595774"
    }
  ]
}