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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05401409
Registration number
NCT05401409
Ethics application status
Date submitted
27/05/2022
Date registered
2/06/2022
Date last updated
1/05/2023
Titles & IDs
Public title
Effect of Beetroot Juice on Reducing Hypertension in Autosomal Dominant Polycystic Kidney Disease
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Scientific title
Double-Blind, Randomised Placebo-Controlled Study to Determine the Effect of Beetroot Juice on Reducing Blood Pressure in Hypertensive Adults With Autosomal Dominant Polycystic Kidney Disease
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Secondary ID [1]
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2020_ETH01718
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Universal Trial Number (UTN)
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Trial acronym
BEET-PKD
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Autosomal Dominant Polycystic Kidney
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Hypertension
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Endothelial Dysfunction
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Condition category
Condition code
Musculoskeletal
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Other muscular and skeletal disorders
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Renal and Urogenital
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Kidney disease
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Renal and Urogenital
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Other renal and urogenital disorders
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Cardiovascular
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Hypertension
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Other - Beetroot juice
Treatment: Other - Nitrate-depleted beetroot juice
Experimental: Nitrate-rich beetroot juice - Beetroot juice containing naturally occurring nitrate (400mg total nitrate)
Placebo comparator: Nitrate-depleted beetroot juice - Beetroot juice with nitrate removed
Treatment: Other: Beetroot juice
70mls beetroot juice (400mg nitrate) given daily for 4 weeks
Treatment: Other: Nitrate-depleted beetroot juice
70mls beetroot juice (nitrate-depleted) given daily for 4 weeks
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Intervention code [1]
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Treatment: Other
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in clinic systolic and diastolic blood pressure from baseline until end of study
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Assessment method [1]
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Timepoint [1]
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4 weeks
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Secondary outcome [1]
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Change in daily home systolic and diastolic blood pressure from baseline until the end of the study
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Assessment method [1]
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Timepoint [1]
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4 weeks
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Secondary outcome [2]
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Change in urinary albumin to creatinine ratio from baseline until the end of the study
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Assessment method [2]
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Timepoint [2]
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4 weeks
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Secondary outcome [3]
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Change in serum nitrate/nitrite levels from baseline until the end of the study
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Assessment method [3]
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Timepoint [3]
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4 weeks
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Secondary outcome [4]
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Change in salivary nitrate/nitrite levels from baseline until the end of the study
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Assessment method [4]
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Timepoint [4]
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4 weeks
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Secondary outcome [5]
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Change in serum asymmetric dimethylarginine from baseline until the end of the study
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Assessment method [5]
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Asymmetric dimethylarginine (ADMA) which is a recognized marker of endothelial dysfunction and inhibitor of nitric oxide
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Timepoint [5]
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4 weeks
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Eligibility
Key inclusion criteria
* Diagnosis of Autosomal Dominant Polycystic Kidney Disease
* Age > 18 years old
* Estimated Glomerular Filtration Rate (eGFR) > 30 mL/min/1.73m2
* Treatment with at least one anti-hypertensive
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Inability to provide Informed Consent
* Labile, unstable, uncontrolled hypertension and/or changes in BP treatment 28 days prior to the screening visit
* Non-compliance with study procedures and/or daily BP measurements during the screening period
* Medical conditions or treatments that might interfere with the generation of NO metabolites or the primary endpoint (e.g. nitrate drugs; cigarette smoking; unwilling to stop using antiseptic mouthwash; severe, uncontrolled hypercholesterolemia; pregnancy or post-partum and lactating)
* Any serious or other medical conditions that might interfere with follow-up or stability of blood pressure (e.g. current active malignancies; uncontrolled diabetes mellitus with elevated HbA1c > 10%)
* Dislike of taste of beetroot juice
* Allergy to beetroot
* Enrolled in other clinical trials
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
5/05/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
24/03/2023
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Sample size
Target
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Accrual to date
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Final
60
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Westmead Hospital - Sydney
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Recruitment hospital [2]
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Westmead Institute for Medical Research - Westmead
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Recruitment postcode(s) [1]
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2145 - Sydney
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Recruitment postcode(s) [2]
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2145 - Westmead
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Funding & Sponsors
Primary sponsor type
Other
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Name
Western Sydney Local Health District
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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Westmead Institute for Medical Research
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
People with autosomal dominant polycystic kidney disease (ADPKD) develop high blood pressure and kidney disease. Previous studies have shown that a commonly occurring chemical, nitric oxide (NO), is reduced in ADPKD, and may contribute, in part, to high blood pressure in this condition. Nitrate is found in high concentrations naturally in beetroots, and increases NO. The aim of this study is to determine if beetroot juice reduces blood pressure in hypertensive people with ADPKD.
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Trial website
https://clinicaltrials.gov/study/NCT05401409
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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G K Rangan
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Address
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Westmead Hospital, Western Sydney Local Health District
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05401409
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