Bacterial Genomic Sequencing in Overactive Bladder

Summary

No one really knows what causes overactive bladder syndrome (OAB). Urinary tract infection (UTI)causes similar symptoms to OAB with the difference being the presence of bacteria, as evidenced by routine microbiology cultures. Recent work by the group on the genitourinary microbiome (GUM) has shown that female urine, even in the absence of culture evidence of bacteria does have evidence of bacterial DNA. Bacterial 16S rRNA can be isolated from urine and sequenced to identify bacterial species present in urine. From this the investigators can hypothesize that urinary bacteria contribute to urinary symptoms and that there is a difference in the bacterial communities in the urine of women who respond to Solifenacin, a drug used to treat OAB, versus those that do not.

Timeline

Start

2012-07

Primary completion

2014-07

Completion

2014-08

Publications

• Background Haylen BT, de Ridder D, Freeman RM, Swift SE, Berghmans B, Lee J, Monga A, Petri E, Rizk DE, Sand PK, Schaer GN; International Urogynecological Association; International Continence Society. An International Urogynecological Association (IUGA)/International Continence Society (ICS) joint report on the terminology for female pelvic floor dysfunction. Neurourol Urodyn. 2010;29(1):4-20. doi: 10.1002/nau.20798.
• Background Hartmann KE, McPheeters ML, Biller DH, Ward RM, McKoy JN, Jerome RN, Micucci SR, Meints L, Fisher JA, Scott TA, Slaughter JC, Blume JD. Treatment of overactive bladder in women. Evid Rep Technol Assess (Full Rep). 2009 Aug;(187):1-120, v.
• Background Irwin DE, Kopp ZS, Agatep B, Milsom I, Abrams P. Worldwide prevalence estimates of lower urinary tract symptoms, overactive bladder, urinary incontinence and bladder outlet obstruction. BJU Int. 2011 Oct;108(7):1132-8. doi: 10.1111/j.1464-410X.2010.09993.x. Epub 2011 Jan 13.
• Background de Boer TA, Salvatore S, Cardozo L, Chapple C, Kelleher C, van Kerrebroeck P, Kirby MG, Koelbl H, Espuna-Pons M, Milsom I, Tubaro A, Wagg A, Vierhout ME. Pelvic organ prolapse and overactive bladder. Neurourol Urodyn. 2010;29(1):30-9. doi: 10.1002/nau.20858.
• Background Sajadi KP, Vasavada SP. Overactive bladder after sling surgery. Curr Urol Rep. 2010 Nov;11(6):366-71. doi: 10.1007/s11934-010-0136-2.
• Background Mostwin JL. Pathophysiology: the varieties of bladder overactivity. Urology. 2002 Nov;60(5 Suppl 1):22-6; discussion 27. doi: 10.1016/s0090-4295(02)01788-0.
• Background Michel MC, Chapple CR. Basic mechanisms of urgency: roles and benefits of pharmacotherapy. World J Urol. 2009 Dec;27(6):705-9. doi: 10.1007/s00345-009-0446-5.
• Background Ohtake A, Sato S, Sasamata M, Miyata K. The forefront for novel therapeutic agents based on the pathophysiology of lower urinary tract dysfunction: ameliorative effect of solifenacin succinate (Vesicare), a bladder-selective antimuscarinic agent, on overactive bladder symptoms, especially urgency episodes. J Pharmacol Sci. 2010;112(2):135-41. doi: 10.1254/jphs.09r13fm. Epub 2010 Feb 4.
• Background Hoffstetter S, Leong FC. Solifenacin succinate for the treatment of overactive bladder. Expert Opin Drug Metab Toxicol. 2009 Mar;5(3):345-50. doi: 10.1517/17425250902762866.
• Background Pelman RS, Capo JP Jr, Forero-Schwanhaeuser S. Solifenacin at 3 years: a review of efficacy and safety. Postgrad Med. 2008 Jul;120(2):85-91. doi: 10.3810/pgm.2008.07.1795.
• Background Haab F, Cardozo L, Chapple C, Ridder AM; Solifenacin Study Group. Long-term open-label solifenacin treatment associated with persistence with therapy in patients with overactive bladder syndrome. Eur Urol. 2005 Mar;47(3):376-84. doi: 10.1016/j.eururo.2004.11.004. Epub 2005 Jan 5.
• Background Santos JC, Telo ER. Solifenacin: scientific evidence in the treatment of overactive bladder. Arch Esp Urol. 2010 Apr;63(3):197-213. English, Spanish.
• Background Oliver JD. The viable but nonculturable state in bacteria. J Microbiol. 2005 Feb;43 Spec No:93-100.
• Background Wolfe AJ, Toh E, Shibata N, Rong R, Kenton K, Fitzgerald M, Mueller ER, Schreckenberger P, Dong Q, Nelson DE, Brubaker L. Evidence of uncultivated bacteria in the adult female bladder. J Clin Microbiol. 2012 Apr;50(4):1376-83. doi: 10.1128/JCM.05852-11. Epub 2012 Jan 25.
• Thomas-White KJ, Hilt EE, Fok C, Pearce MM, Mueller ER, Kliethermes S, Jacobs K, Zilliox MJ, Brincat C, Price TK, Kuffel G, Schreckenberger P, Gai X, Brubaker L, Wolfe AJ. Incontinence medication response relates to the female urinary microbiota. Int Urogynecol J. 2016 May;27(5):723-33. doi: 10.1007/s00192-015-2847-x. Epub 2015 Sep 30.
• Pearce MM, Hilt EE, Rosenfeld AB, Zilliox MJ, Thomas-White K, Fok C, Kliethermes S, Schreckenberger PC, Brubaker L, Gai X, Wolfe AJ. The female urinary microbiome: a comparison of women with and without urgency urinary incontinence. mBio. 2014 Jul 8;5(4):e01283-14. doi: 10.1128/mBio.01283-14.
• Hilt EE, McKinley K, Pearce MM, Rosenfeld AB, Zilliox MJ, Mueller ER, Brubaker L, Gai X, Wolfe AJ, Schreckenberger PC. Urine is not sterile: use of enhanced urine culture techniques to detect resident bacterial flora in the adult female bladder. J Clin Microbiol. 2014 Mar;52(3):871-6. doi: 10.1128/JCM.02876-13. Epub 2013 Dec 26.

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