Variation in Urine Electrolytes, pH and Specific Gravity Throughout the Day
NCT ID: NCT03645785
Last Updated: 2021-02-21
Study Results
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View full resultsBasic Information
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COMPLETED
NA
23 participants
INTERVENTIONAL
2018-08-28
2019-05-20
Brief Summary
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Detailed Description
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On Day 2, 3, and 4 the subject will drink a bottle of water with True Lemon after 5pm. On days 3 and 4 the subjects will double their fluid intake using Day 1 as a guide. On Day 4 the subjects will collect 4 urine samples as previously described for Day1. They will be instructed to mix 1 packet of True lemon in one 16.9oz (500 mL) bottle of Poland Spring. All True Lemon packets (True Citrus, 11501 Pocomoke Court Suite D, Baltimore, MD 21220). and Poland Spring (Nestle Waters North America) bottles will be provided to subjects by the research study team.
UA dipsticks will be used in office to evaluate for pH and specific gravity. Samples will also be sent to lab for evaluation of chemical composition of creatinine, citrate, and calcium. Electrolytes will be indexed against creatinine to evaluate their concentrations without having a 24-hour void volume amount A sample of citrate-Poland Spring will be sent to Litholink for analysis of Calcium and Citrate for reference.
Conditions
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Study Design
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NON_RANDOMIZED
CROSSOVER
DIAGNOSTIC
NONE
Study Groups
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Normal Diet/Drinking
Baseline diet and drinking patterns for patients. This is the pre-intervention baseline for cross-over analysis
Normal fluid intake without true lemon
16.9oz water with True Lemon
Increased fluid Intake and Citrate Supplementation
Patients will increase fluid (with goal to double their baseline) and further take a citrate supplement in the form of True Lemon (citric acid).
Double fluid intake plus 3 bottles of water with True Lemon
No intervention
Interventions
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Normal fluid intake without true lemon
16.9oz water with True Lemon
Double fluid intake plus 3 bottles of water with True Lemon
No intervention
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
* Subjects who have known kidney disease
* Subjects with history of known nephrolithiasis
18 Years
ALL
Yes
Sponsors
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Labcorp Corporation of America Holdings, Inc
INDUSTRY
Adam Howe, MD
OTHER
Responsible Party
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Adam Howe, MD
Assistant Professor of Surgery
Principal Investigators
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Adam Howe, MD
Role: PRINCIPAL_INVESTIGATOR
Albany Medical College
Locations
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Albany Medical College
Albany, New York, United States
Countries
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References
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Cheungpasitporn W, Rossetti S, Friend K, Erickson SB, Lieske JC. Treatment effect, adherence, and safety of high fluid intake for the prevention of incident and recurrent kidney stones: a systematic review and meta-analysis. J Nephrol. 2016 Apr;29(2):211-219. doi: 10.1007/s40620-015-0210-4. Epub 2015 May 29.
Lotan Y, Antonelli J, Jimenez IB, Gharbi H, Herring R, Beaver A, Dennis A, Von Merveldt D, Carter S, Cohen A, Poindexter J, Moe OW, Pearle MS. The kidney stone and increased water intake trial in steel workers: results from a pilot study. Urolithiasis. 2017 Apr;45(2):177-183. doi: 10.1007/s00240-016-0892-7. Epub 2016 May 26.
Scales CD Jr, Smith AC, Hanley JM, Saigal CS; Urologic Diseases in America Project. Prevalence of kidney stones in the United States. Eur Urol. 2012 Jul;62(1):160-5. doi: 10.1016/j.eururo.2012.03.052. Epub 2012 Mar 31.
Pearle MS, Goldfarb DS, Assimos DG, Curhan G, Denu-Ciocca CJ, Matlaga BR, Monga M, Penniston KL, Preminger GM, Turk TM, White JR; American Urological Assocation. Medical management of kidney stones: AUA guideline. J Urol. 2014 Aug;192(2):316-24. doi: 10.1016/j.juro.2014.05.006. Epub 2014 May 20.
Hong YH, Dublin N, Razack AH, Mohd MA, Husain R. Twenty-four hour and spot urine metabolic evaluations: correlations versus agreements. Urology. 2010 Jun;75(6):1294-8. doi: 10.1016/j.urology.2009.08.061. Epub 2009 Nov 14.
Omar M, Sarkissian C, Jianbo L, Calle J, Monga M. Dipstick Spot urine pH does not accurately represent 24 hour urine PH measured by an electrode. Int Braz J Urol. 2016 May-Jun;42(3):546-9. doi: 10.1590/S1677-5538.IBJU.2015.0071.
Strohmaier WL, Hoelz KJ, Bichler KH. Spot urine samples for the metabolic evaluation of urolithiasis patients. Eur Urol. 1997;32(3):294-300.
Fenton TR, Eliasziw M, Lyon AW, Tough SC, Brown JP, Hanley DA. Low 5-year stability of within-patient ion excretion and urine pH in fasting-morning-urine specimens. Nutr Res. 2009 May;29(5):320-6. doi: 10.1016/j.nutres.2009.04.005.
Matsushita K, Tanikawa K. Significance of the calcium to creatinine concentration ratio of a single-voided urine specimen in patients with hypercalciuric urolithiasis. Tokai J Exp Clin Med. 1987 Sep;12(3):167-71.
Utsch B, Klaus G. Urinalysis in children and adolescents. Dtsch Arztebl Int. 2014 Sep 12;111(37):617-25; quiz 626. doi: 10.3238/arztebl.2014.0617.
Simerville JA, Maxted WC, Pahira JJ. Urinalysis: a comprehensive review. Am Fam Physician. 2005 Mar 15;71(6):1153-62.
Hardy PE. Urinalysis interpretation. Neonatal Netw. 2010 Jan-Feb;29(1):45-9. doi: 10.1891/0730-0832.29.1.45. No abstract available.
Yi JH, Shin HJ, Kim SM, Han SW, Kim HJ, Oh MS. Does the exposure of urine samples to air affect diagnostic tests for urine acidification? Clin J Am Soc Nephrol. 2012 Aug;7(8):1211-6. doi: 10.2215/CJN.03230312. Epub 2012 Jun 14.
Taylor EN, Curhan GC. Body size and 24-hour urine composition. Am J Kidney Dis. 2006 Dec;48(6):905-15. doi: 10.1053/j.ajkd.2006.09.004.
Curhan GC, Willett WC, Speizer FE, Stampfer MJ. Twenty-four-hour urine chemistries and the risk of kidney stones among women and men. Kidney Int. 2001 Jun;59(6):2290-8. doi: 10.1046/j.1523-1755.2001.00746.x.
Ahmed AI, Baz H, Lotfy S. Urinalysis: The Automated Versus Manual Techniques; Is It Time To Change? Clin Lab. 2016;62(1-2):49-56. doi: 10.7754/clin.lab.2015.150520.
LaRocco MT, Franek J, Leibach EK, Weissfeld AS, Kraft CS, Sautter RL, Baselski V, Rodahl D, Peterson EJ, Cornish NE. Effectiveness of Preanalytic Practices on Contamination and Diagnostic Accuracy of Urine Cultures: a Laboratory Medicine Best Practices Systematic Review and Meta-analysis. Clin Microbiol Rev. 2016 Jan;29(1):105-47. doi: 10.1128/CMR.00030-15.
Lifshitz E, Kramer L. Outpatient urine culture: does collection technique matter? Arch Intern Med. 2000 Sep 11;160(16):2537-40. doi: 10.1001/archinte.160.16.2537.
Morimoto M, Yanai H, Shukuya K, Chiba H, Kobayashi K, Matsuno K. Effects of midstream collection and the menstrual cycle on urine particles and dipstick urinalysis among healthy females. Clin Chem. 2003 Jan;49(1):188-90. doi: 10.1373/49.1.188. No abstract available.
Worcester EM, Coe FL, Evan AP, Bergsland KJ, Parks JH, Willis LR, Clark DL, Gillen DL. Evidence for increased postprandial distal nephron calcium delivery in hypercalciuric stone-forming patients. Am J Physiol Renal Physiol. 2008 Nov;295(5):F1286-94. doi: 10.1152/ajprenal.90404.2008. Epub 2008 Aug 20.
Desai RA, Assimos DG. Accuracy of urinary dipstick testing for pH manipulation therapy. J Endourol. 2008 Jun;22(6):1367-70. doi: 10.1089/end.2008.0053.
Provided Documents
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Document Type: Study Protocol and Statistical Analysis Plan
Other Identifiers
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AMC5086
Identifier Type: -
Identifier Source: org_study_id
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