Overactive Bladder Syndrome: Incobotulinumtoxin Versus Onabotulinumtoxin

Summary

The aim of the original study was to compare Incobot/A versus Onabot/A in order to evaluate if the differences in the pharmacologic formulations between the two drugs could affect their efficacy and safety in the treatment of neurogenic overactive bladder (OAB). In the original study protocol two different dosages for either Incobot/A and Onabot/A (200 U and 100 U) were considered, to treat patients with neurogenic detrusor overactivity incontinence performing intermittent catheterization (IC) with higher dosages and those able to void spontaneously with lower dosage, with the resulting four treatment groups. For such a study, a very large sample of participants should have been treated and followed up, to have adequate power to demonstrate the hypothesis. At the end of last February 2020, we had to temporarily stop all the clinical activities related to the study and patients' recruitment, due to the occurrence of Sars-Cov-2 pandemic in our Country. At that point, a non-inferiority study seemed to be possible and adequate, and we adapted the protocol accordingly. In addition, on the basis of previously published information, we could hypothesize that the new drug (Incobot/A) would have had at least a roughly similar effect to the control drug (Onabot/A). In order to perform a non-inferiority study, the power and sample size analysis have been re-planned. Thus, we perform a not planned interim analysis to show the preliminary results of an ongoing, non-inferiority trial in which patients' recruitment temporarily stopped due to incontrollable external factors. The present study will be aimed to assess the non-inferiority of Incobot/A compared to Onabot/A on the efficacy and safety parameters, in the treatment of patients with refractory NDOI performing IC, who are randomized to receive 200 U of Incobot/A or Onabot/A intradetrusor injections and who are followed up to 12 wks after treatment

Timeline

Start

2018-09-01

Primary completion

2021-09-01

Completion

2021-09-01

Publications

• Background Mohee A, Khan A, Harris N, Eardley I. Long-term outcome of the use of intravesical botulinum toxin for the treatment of overactive bladder (OAB). BJU Int. 2013 Jan;111(1):106-13. doi: 10.1111/j.1464-410X.2012.11282.x. Epub 2012 Jun 6.
• Results Thuroff JW, Abrams P, Andersson KE, Artibani W, Chapple CR, Drake MJ, Hampel C, Neisius A, Schroder A, Tubaro A. EAU guidelines on urinary incontinence. Eur Urol. 2011 Mar;59(3):387-400. doi: 10.1016/j.eururo.2010.11.021. Epub 2010 Nov 24.
• Results Gormley EA, Lightner DJ, Faraday M, Vasavada SP; American Urological Association; Society of Urodynamics, Female Pelvic Medicine. Diagnosis and treatment of overactive bladder (non-neurogenic) in adults: AUA/SUFU guideline amendment. J Urol. 2015 May;193(5):1572-80. doi: 10.1016/j.juro.2015.01.087. Epub 2015 Jan 23.
• Results Abrams P, Cardozo L, Fall M, Griffiths D, Rosier P, Ulmsten U, van Kerrebroeck P, Victor A, Wein A; Standardisation Sub-committee of the International Continence Society. The standardisation of terminology of lower urinary tract function: report from the Standardisation Sub-committee of the International Continence Society. Neurourol Urodyn. 2002;21(2):167-78. doi: 10.1002/nau.10052. No abstract available.
• Results 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.
• Results Lemack GE, Dewey RB Jr, Roehrborn CG, O'Suilleabhain PE, Zimmern PE. Questionnaire-based assessment of bladder dysfunction in patients with mild to moderate Parkinson's disease. Urology. 2000 Aug 1;56(2):250-4. doi: 10.1016/s0090-4295(00)00641-5.
• Results Aharony SM, Lam O, Corcos J. Evaluation of lower urinary tract symptoms in multiple sclerosis patients: Review of the literature and current guidelines. Can Urol Assoc J. 2017 Jan-Feb;11(1-2):61-64. doi: 10.5489/cuaj.4058.
• Results Wyndaele JJ. The management of neurogenic lower urinary tract dysfunction after spinal cord injury. Nat Rev Urol. 2016 Dec;13(12):705-714. doi: 10.1038/nrurol.2016.206. Epub 2016 Oct 25.
• Results Campos-Sousa RN, Quagliato E, da Silva BB, de Carvalho RM Jr, Ribeiro SC, de Carvalho DF. Urinary symptoms in Parkinson's disease: prevalence and associated factors. Arq Neuropsiquiatr. 2003 Jun;61(2B):359-63. doi: 10.1590/s0004-282x2003000300007. Epub 2003 Jul 28.
• Results Kanai A, Andersson KE. Bladder afferent signaling: recent findings. J Urol. 2010 Apr;183(4):1288-95. doi: 10.1016/j.juro.2009.12.060. Epub 2010 Feb 19.
• Results Veenboer PW, Bosch JL. Long-term adherence to antimuscarinic therapy in everyday practice: a systematic review. J Urol. 2014 Apr;191(4):1003-8. doi: 10.1016/j.juro.2013.10.046. Epub 2013 Oct 16.
• Results Di Stasi SM, Giannantoni A, Vespasiani G, Navarra P, Capelli G, Massoud R, Stephen RL. Intravesical electromotive administration of oxybutynin in patients with detrusor hyperreflexia unresponsive to standard anticholinergic regimens. J Urol. 2001 Feb;165(2):491-8. doi: 10.1097/00005392-200102000-00032.
• Results Jost WH, Benecke R, Hauschke D, Jankovic J, Kanovsky P, Roggenkamper P, Simpson DM, Comella CL. Clinical and pharmacological properties of incobotulinumtoxinA and its use in neurological disorders. Drug Des Devel Ther. 2015 Apr 1;9:1913-26. doi: 10.2147/DDDT.S79193. eCollection 2015.
• Results Veeratterapillay R, Harding C, Teo L, Vasdev N, Abroaf A, Dorkin TJ, Pickard RS, Hasan T, Thorpe AC. Discontinuation rates and inter-injection interval for repeated intravesical botulinum toxin type A injections for detrusor overactivity. Int J Urol. 2014 Feb;21(2):175-8. doi: 10.1111/iju.12205. Epub 2013 Jul 2.
• Results Frevert J. Response to Commentary by W. Jost on: Pharmaceutical, Biological, and Clinical Properties of Botulinum Neurotoxin Type A Products. Drugs R D. 2015 Jun;15(2):217-8. doi: 10.1007/s40268-015-0091-y. No abstract available.
• Results Benecke R. Clinical relevance of botulinum toxin immunogenicity. BioDrugs. 2012 Apr 1;26(2):e1-9. doi: 10.2165/11599840-000000000-00000.
• Results Wang L, Sun Y, Yang W, Lindo P, Singh BR. Type A botulinum neurotoxin complex proteins differentially modulate host response of neuronal cells. Toxicon. 2014 May;82:52-60. doi: 10.1016/j.toxicon.2014.02.004. Epub 2014 Feb 21.
• Results Jost WH, Blumel J, Grafe S. Botulinum neurotoxin type A free of complexing proteins (XEOMIN) in focal dystonia. Drugs. 2007;67(5):669-83. doi: 10.2165/00003495-200767050-00003.
• Results Kumar R, Zhou Y, Ghosal K, Cai S, Singh BR. Anti-apoptotic activity of hemagglutinin-33 and botulinum neurotoxin and its implications to therapeutic and countermeasure issues. Biochem Biophys Res Commun. 2012 Jan 13;417(2):726-31. doi: 10.1016/j.bbrc.2011.12.020. Epub 2011 Dec 11.
• Results Campanati A, Giuliodori K, Martina E, Giuliano A, Ganzetti G, Offidani A. Onabotulinumtoxin type A (Botox((R))) versus Incobotulinumtoxin type A (Xeomin((R))) in the treatment of focal idiopathic palmar hyperhidrosis: results of a comparative double-blind clinical trial. J Neural Transm (Vienna). 2014 Jan;121(1):21-6. doi: 10.1007/s00702-013-1074-1. Epub 2013 Sep 20.

Drugs

Indications