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He W, Huang G, Cui W, Tian Y, Sun Q, Zhao X, Zhao Y, Li D, Liu X. Comparative assessment of efficacy and safety of approved oral therapies for overactive bladder: a systematic review and network meta-analysis. Int Braz J Urol 2023; 49:535-563. [PMID: 37506033 PMCID: PMC10482468 DOI: 10.1590/s1677-5538.ibju.2023.0158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 06/15/2023] [Indexed: 07/30/2023] Open
Abstract
bladder based on a systematic review and network meta-analysis approach. METHODS Pubmed, Embase, Web of Science, and the Cochrane Register of Clinical Trials databases were systematically searched. The search time frame was from database creation to June 2, 2022. Randomized controlled double-blind trials of oral medication for overactive bladder were screened against the protocol's entry criteria. Trials were evaluated for quality using the Cochrane Risk of Bias Assessment Tool, and data were statistically analyzed using Stata 16.0 software. RESULT A total of 60 randomized controlled double-blind clinical trials were included involving 50,333 subjects. Solifenacin 10mg was the most effective in mean daily micturitions and incontinence episodes, solifenacin 5/10mg in mean daily urinary urgency episodes and nocturia episodes, fesoterodine 8mg in urgency incontinence episodes/d and oxybutynin 5mg in voided volume/micturition. In terms of safety, solifenacin 5mg, ER-tolterodine 4mg, mirabegron, vibegron and ER-oxybutynin 10mg all showed a better incidence of dry mouth, fesoterodine 4mg, ER-oxybutynin 10mg, tolterodine 2mg, and vibegron in the incidence of constipation. Compared to placebo, imidafenacin 0.1mg showed a significantly increased incidence in hypertension, solifenacin 10mg in urinary tract infection, fesoterodine 4/8mg and darifenacin 15mg in headache. CONCLUSION Solifenacin showed better efficacy. For safety, most anticholinergic drugs were more likely to cause dry mouth and constipation, lower doses were better tolerated. The choice of drugs should be tailored to the patient's specific situation to find the best balance between efficacy and safety.
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Affiliation(s)
- Wenjuan He
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Guangliang Huang
- HeBei Medical UniversityDepartment of Clinical PharmacyShijiazhuangHebeiChinaDepartment of Clinical Pharmacy, HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Wenyan Cui
- HeBei Medical UniversityDepartment of Clinical PharmacyShijiazhuangHebeiChinaDepartment of Clinical Pharmacy, HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Yunfei Tian
- University of Hong KongDepartment of psychologyHong KongChinaDepartment of psychology, the University of Hong Kong, Hong Kong, China
| | - Qian Sun
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Xiaojuan Zhao
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Yonghong Zhao
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Dan Li
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
| | - Xiuju Liu
- Second Hospital of HeBei Medical UniversityDepartment of PharmacyShijiazhuangHebeiChinaDepartment of Pharmacy, the Second Hospital of HeBei Medical University, Shijiazhuang (Hebei), China;
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Stoniute A, Madhuvrata P, Still M, Barron-Millar E, Nabi G, Omar MI. Oral anticholinergic drugs versus placebo or no treatment for managing overactive bladder syndrome in adults. Cochrane Database Syst Rev 2023; 5:CD003781. [PMID: 37160401 PMCID: PMC10167789 DOI: 10.1002/14651858.cd003781.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
BACKGROUND Around 16% of adults have symptoms of overactive bladder (OAB; urgency with frequency and/or urge incontinence), with prevalence increasing with age. Anticholinergic drugs are commonly used to treat this condition. This is an update of a Cochrane Review first published in 2002 and last updated in 2006. OBJECTIVES To assess the effects of anticholinergic drugs compared with placebo or no treatment for treating overactive bladder syndrome in adults. SEARCH METHODS We searched the Cochrane Incontinence Specialised Register, which contains trials identified from the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, MEDLINE In-Process, MEDLINE Epub Ahead of Print, ClinicalTrials.gov, WHO ICTRP and handsearching of journals and conference proceedings (searched 14 January 2020), and the reference lists of relevant articles. We updated this search on 3 May 2022, but these results have not yet been fully incorporated. SELECTION CRITERIA We included randomised or quasi-randomised trials in adults with overactive bladder syndrome that compared an anticholinergic drug alone with placebo treatment. DATA COLLECTION AND ANALYSIS Two review authors independently assessed eligibility and extracted data from the included studies, including an assessment of the risk of bias. We assessed the certainty of the body of evidence using the GRADE approach. We processed data as described in the Cochrane Handbook for Systematic Reviews of Interventions. MAIN RESULTS We included 104 studies, 71 of which were new or updated for this version of the review. Although 12 studies did not report the number of participants, there were 47,106 people in the remainder of the included studies. The majority of the studies had insufficient information to allow judgement of risk of bias and we judged them to be unclear for all domains. Nine anticholinergic drugs were included in these studies: darifenacin; fesoterodine; imidafenacin; oxybutynin; propantheline; propiverine; solifenacin; tolterodine and trospium. No studies were found that compared anticholinergic drugs to no treatment. At the end of the treatment period, anticholinergics may slightly increase condition-specific quality of life (mean difference (MD) 4.41 lower, 95% confidence interval (CI) 5.28 lower to 3.54 lower (scale range -100 to 0); 12 studies, 6804 participants; low-certainty evidence). Anticholinergics are probably better than placebo in terms of patient perception of cure or improvement (risk ratio (RR) 1.38, 95% CI 1.15 to 1.66; 9 studies, 8457 participants; moderate-certainty evidence), and the mean number of urgency episodes per 24-hour period (MD 0.85 lower, 95% CI 1.03 lower to 0.67 lower; 23 studies, 16,875 participants; moderate-certainty evidence). Compared to placebo, anticholinergics may result in an increase in dry mouth adverse events (RR 3.50, 95% CI 3.26 to 3.75; 66 studies, 38,368 participants; low-certainty evidence), and may result in an increased risk of urinary retention (RR 3.52, 95% CI 2.04 to 6.08; 17 studies, 7862 participants; low-certainty evidence). Taking anticholinergics may be more likely to lead to participants withdrawing from the studies due to adverse events (RR 1.37, 95% CI 1.21 to 1.56; 61 studies, 36,943 participants; low-certainty evidence). However, taking anticholinergics probably reduces the mean number of micturitions per 24-hour period compared to placebo (MD 0.85 lower, 95% CI 0.98 lower to 0.73 lower; 30 studies, 19,395 participants; moderate-certainty evidence). AUTHORS' CONCLUSIONS The use of anticholinergic drugs by people with overactive bladder syndrome results in important but modest improvements in symptoms compared with placebo treatment. In addition, recent studies suggest that this is generally associated with only modest improvement in quality of life. Adverse effects were higher with all anticholinergics compared with placebo. Withdrawals due to adverse effects were also higher for all anticholinergics except tolterodine. It is not known whether any benefits of anticholinergics are sustained during long-term treatment or after treatment stops.
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Affiliation(s)
- Akvile Stoniute
- Evidence Synthesis Group, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Priya Madhuvrata
- Obstetrics & Gynaecology, Sheffield Teaching Hospital NHS Foundation Trust, Sheffield, UK
| | - Madeleine Still
- Evidence Synthesis Group, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Evelyn Barron-Millar
- Evidence Synthesis Group, Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Ghulam Nabi
- Section of Academic Urology, Division of Cancer Research, University of Dundee, Dundee, UK
| | - Muhammad Imran Omar
- Guidelines Office, European Association of Urology, Arnhem, Netherlands
- Academic Urology Unit, University of Aberdeen, Aberdeen, UK
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Chuang YC, Lin CC, Chow PM, Lien CS, Tsui KH, Chou CL, Lee HY, Meng E, Kuo HC. A double-blind, randomized, placebo-controlled, parallel study to evaluate the efficacy and safety of imidafenacin in patients with overactive bladder in Taiwan. Low Urin Tract Symptoms 2020; 13:108-117. [PMID: 32844599 DOI: 10.1111/luts.12341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/10/2020] [Accepted: 07/28/2020] [Indexed: 11/30/2022]
Abstract
OBJECTIVE This study evaluated the efficacy and safety of imidafenacin 0.1 mg twice daily vs placebo for Taiwanese patients with overactive bladder (OAB) after a 12-week oral administration. METHODS This randomized, double-blind, placebo-controlled, two-arm, parallel-group, prospective study enrolled 118 patients across 11 study sites in Taiwan. Subjects were randomized to imidafenacin or placebo in a 2:1 ratio and entered the 12-week treatment period. At the subsequent visits, efficacy outcome measures and safety assessments were collected for analysis. The primary efficacy outcome was the change in the mean number of micturitions per day. Secondary endpoints included mean changes from baseline in urgency episodes and urge incontinence episodes per day and mean volume voided per micturition. Safety outcomes were also collected and compared between groups. RESULTS A total of 78 and 40 patients were allocated to the imidafenacin and placebo groups, respectively. Among them, 100 patients (imidafenacin, 65 and placebo, 35) completed the trial. Compared with placebo, imidafenacin was significantly better at reducing the number of micturitions per day (-1.29 ± 2.23 vs -0.46 ± 3.49, P = .0171) and reducing the mean number of urge incontinence episodes (-0.15 ± 0.52 vs 0.04 ± 0.50, P = .0386) at week 12. Adverse events were reported in 35 subjects (44.9%) and 16 (40%) in the imidafenacin and placebo groups, including constipation (n = 3, 4), dry mouth (n = 11, 2), and urinary tract infection (n = 7, 4), respectively. One patient in the imidafenacin group had mild dysuria. CONCLUSION Imidafenacin demonstrated efficacy and safety in the treatment of OAB in Taiwanese patients.
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Affiliation(s)
- Yao-Chi Chuang
- Department of Urology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Chih-Chieh Lin
- Department of Urology, Taipei Veterans General Hospital and Department of Urology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Po-Ming Chow
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chi-Shun Lien
- Department of Urology, China Medical University Hospital, Taichung, Taiwan
| | - Ke-Hung Tsui
- Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chieh-Lung Chou
- Department of Urology, China Medical University Hospital, Taichung, Taiwan
| | - Hsiang-Ying Lee
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - En Meng
- Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hann-Chorng Kuo
- Department of Urology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, and Tzu Chi University, Hualien, Taiwan
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Wu JP, Peng L, Zeng X, Li H, Shen H, Luo DY. Is imidafenacin an alternative to current antimuscarinic drugs for patients with overactive bladder syndrome? Int Urogynecol J 2020; 32:1117-1127. [PMID: 32405660 DOI: 10.1007/s00192-020-04329-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/29/2020] [Indexed: 02/05/2023]
Abstract
PURPOSE Previous studies have included a limited number of randomized controlled trials (RCTs) and compared limited parameters after treatment with imidafenacin and other anticholinergic drugs (ADs) for overactive bladder syndrome (OAB), and controversy about the superiority of these ADs still remains. We aim to update the evidence and provide better clinical guidance. METHODS A systematic search of PubMed, Embase, ClinicalTrial.gov and Cochrane Library Central Register of Controlled Trials was conducted from January 2007 to April 2019. Meta-analysis of all published RCTs comparing imidafenacin with other ADs in patients with OAB was performed. The primary outcomes were the changes in OAB symptoms and OAB symptom score (OABSS). Secondary outcomes included adverse events (AEs) and the dropout rate related to AEs. RESULTS A total of 6 studies including 7 RCTs involving 1430 patients with mean follow-up of 23.43 weeks were included. All ADs improved OAB symptoms. Regarding efficacy, these drugs had similar efficacy in voids, urgency episodes, urgency incontinence episodes, incontinence episodes and OABSS. However, imidafenacin performed better in the reduction of nocturia episodes (MD = -0.24, 95% CI -0.44 to -0.04, P = 0.02). Moreover, imidafenacin was associated with a statistically lower dry mouth rate (RR = 0.87, 95% CI 0.75-1.00, P = 0.04), lower constipation rate (RR = 0.68, 95% CI 0.50-0.93, P = 0.01) and lower AE-related withdrawal rate (RR = 0.51, 95% CI 0.29-0.89, P = 0.02). There was no significant difference in terms of other complications. CONCLUSIONS In conclusion, imidafenacin was comparable to other ADs in the treatment of OAB. Moreover, imidafenacin presented a lower dry mouth rate, lower constipation rate and higher adherence and persistence.
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Affiliation(s)
- Jia-Pei Wu
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Liao Peng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Xiao Zeng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Hao Li
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Hong Shen
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - De-Yi Luo
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
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Abstract
Antimuscarinic agents are now widely used as the pharmacological therapy for overactive bladder (OAB) because neuronal (parasympathetic nerve) and non-neuronal acetylcholine play a significant role for the bladder function. In this review, we will highlight basic and clinical aspects of eight antimuscarinic agents (oxybutynin, propiverine, tolterodine, solifenacin, darifenacin, trospium, imidafenacin, and fesoterodine) clinically used to treat urinary dysfunction in patients with OAB. The basic pharmacological characteristics of these eight antimuscarinic agents include muscarinic receptor subtype selectivity, functional bladder selectivity, and muscarinic receptor binding in the bladder and other tissues. The measurement of drug-receptor binding after oral administration of these agents allows for clearer understanding of bladder selectivity by the integration of pharmacodynamics and pharmacokinetics under in vivo conditions. Their central nervous system (CNS) penetration potentials are also discussed in terms of the feasibility of impairments in memory and cognitive function in elderly patients with OAB. The clinical aspects of efficacy focus on improvements in the daytime urinary frequency, nocturia, bladder capacity, the frequency of urgency, severity of urgency, number of incontinence episodes, OAB symptom score, and quality of life (QOL) score by antimuscarinic agents in patients with OAB. The safety of and adverse events caused by treatments with antimuscarinic agents such as dry mouth, constipation, blurred vision, erythema, fatigue, increased sweating, urinary retention, and CNS adverse events are discussed. A dose-dependent relationship was observed with adverse events, because the risk ratio generally increased with elevations in the drug dose of antimuscarinic agents. Side effect profiles may be additive to or contraindicated by other medications.
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Kim TH, Lee SE, Lee HE, Lee KS. Safety and efficacy of fesoterodine fumarate in patients with overactive bladder: results of a post-marketing surveillance study in Korea. Curr Med Res Opin 2016; 32:1361-6. [PMID: 27046653 DOI: 10.1080/03007995.2016.1174680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES The aim of this study was to evaluate the safety and efficacy of fesoterodine fumarate (fesoterodine; Toviaz ) in Korean patients with overactive bladder (OAB) in routine clinical practice. METHODS This was an open-label, non-interventional, prospective, post-marketing surveillance study submitted to the Korean Ministry of Food and Drug Safety. A total of 3109 patients aged ≥18 years with OAB symptoms were prescribed flexible doses of fesoterodine at the investigator's discretion. Safety was assessed based upon the reporting of adverse events (AEs). Efficacy was evaluated on the basis of patient self-assessment using a bladder diary as well as on the basis of investigator assessment in terms of overall clinical efficacy. RESULTS A final analysis was performed on 3107 (99.9%) and 2978 (95.8%) patients for safety and efficacy analysis, respectively. The mean treatment duration of fesoterodine was 83.2 days. The incidence of AEs was 8.5% (265/3107). Common AEs that accounted for more than 1.0% of the total AE incidence included dry mouth (5.4%, 168/3107), constipation (1.5%, 48/3107) and micturition disorder (1.1%, 35/3107). Mean episodes of urinary frequency, urgency, and urgency urinary incontinence (UUI) per 24 hours decreased by 4.0, 2.4, and 0.8, respectively (all p < 0.001). At the final follow-up visit, the investigators found improvement in clinical efficacy for the majority of patients (90.1%, 2684/2978). Limitations of this study include the observational study design and the relatively short treatment duration. CONCLUSION These results suggest that fesoterodine is a well tolerated and effective treatment for Korean patients with OAB in routine clinical practice.
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Affiliation(s)
- Tae Heon Kim
- a Department of Urology , Samsung Changwon Hospital, Sungkyunkwan University School of Medicine , Changwon , Korea
| | - Sang Eun Lee
- b Department of Urology , Samsung Medical Center, Sungkyunkwan University School of Medicine , Seoul , Korea
| | - Hahn-Ey Lee
- c Pfizer Pharmaceuticals Korea Ltd. , Seoul , Korea
| | - Kyu-Sung Lee
- b Department of Urology , Samsung Medical Center, Sungkyunkwan University School of Medicine , Seoul , Korea
- d Department of Medical Device Management & Research , S.A.I.H.S.T., Sungkyunkwan University , Seoul , Korea
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Abstract
INTRODUCTION Overactive bladder affects a significant portion of the population and results in prescribing of numerous medications for its treatment. Traditional drug delivery systems used in therapy are associated with multiple commonly reported side effects. Adherence rates with use of these medications are low. It is likely that low adherence rates with the use of these drugs are due in some part to drug side effects. It is therefore important that alternate methods for drug delivery be explored to reduce side effect profiles and improve patient compliance. AREAS COVERED This article addresses the various forms of drug delivery for overactive bladder medications, focusing on those currently in use. Newer systems of drug delivery are also discussed. Through thorough review of research data, randomized trials and meta analyses, drug delivery systems were evaluated. EXPERT OPINION EXPERT OPINION favors the use of the transdermal patch and recognizes the necessity for further research and development of other delivery methods. The patch delivery method offers the most effective means of treating symptoms and minimizing drug related adverse side effects leading to treatment discontinuation. Development of OAB medications aimed at alternate receptor targets has the potential to facilitate the creation of new treatment methods to compete with the current standard of care used in OAB treatment.
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Affiliation(s)
- Katie Scott
- a School of Medicine , The University of Kansas , Kansas City , KS , USA
| | | | - Priya Padmanabhan
- c Department of Urology , The University of Kansas , Kansas City , KS , USA
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Chapple C, Oelke M, Kaplan SA, Scholfield D, Arumi D, Wagg AS. Fesoterodine clinical efficacy and safety for the treatment of overactive bladder in relation to patient profiles: a systematic review. Curr Med Res Opin 2015; 31:1201-43. [PMID: 25798911 DOI: 10.1185/03007995.2015.1032917] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To summarize published evidence on the pharmacology, efficacy, and safety of fesoterodine for the treatment of overactive bladder (OAB) symptoms in relation to patient clinical and demographic profiles. METHODS A systematic review of published articles on fesoterodine was conducted via a PubMed search. Articles were identified using the search term fesoterodine, with limits of human species and abstract available. Review and meta-analysis articles, validation studies, articles focused on treatment compliance/adherence, meeting abstracts, and articles not focused on oral fesoterodine administration in human subjects were excluded. Data from retained articles were summarized descriptively. RESULTS Of 137 articles identified, 61 (15 articles on the pharmacology and 46 articles on the efficacy and/or safety of fesoterodine) met inclusion criteria. Superiority trials demonstrated the additional efficacy of fesoterodine 8 mg versus fesoterodine 4 mg and tolterodine extended release 4 mg in treating OAB. Prospective trials in specific patient populations indicated beneficial effects of fesoterodine in elderly patients, vulnerable elderly patients, patients dissatisfied with or with a suboptimal response to previous antimuscarinic therapy, patients with urge urinary incontinence (UUI) or nocturnal urgency, and men with persistent LUTS during alpha-blocker treatment. With two effective doses, the fesoterodine dose can be adjusted to achieve optimal efficacy and tolerability in individual patients. The most common adverse events during fesoterodine treatment are dry mouth and constipation. CONCLUSIONS Extensive evidence demonstrates the efficacy and safety of fesoterodine in relieving OAB symptoms, including urgency, urinary frequency, UUI, and nocturnal urgency, in patients with various clinical and demographic profiles. Trial results provide valuable information on fesoterodine treatment in specific patient populations, including both elderly and vulnerable elderly patients. Potential limitations of this review are that only English language articles in PubMed were searched and included.
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Sacco E, Bientinesi R. Innovative pharmacotherapies for women with overactive bladder: where are we now and what is in the pipeline? Int Urogynecol J 2014; 26:629-40. [PMID: 25377296 DOI: 10.1007/s00192-014-2557-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Accepted: 10/18/2014] [Indexed: 12/12/2022]
Abstract
INTRODUCTION AND HYPOTHESIS The impressive prevalence of overactive bladder (OAB) and the relevant limitations of current treatments urge the need for novel therapeutic approaches. METHODS A systematic literature and web search was performed to identify investigational drugs that entered the early and late phases of clinical development for women with OAB symptoms. RESULTS Approved pharmacological therapies for OAB (antimuscarinics, beta-3 agonists, and botulinum toxin) are evolving with the development of alternative administration methods, combination strategies, and novel compounds, expected to improve effectiveness, bladder selectivity, and dose flexibility. A wealth of investigational compounds, developed with both public and companies' indoor nonclinical disease-oriented studies, entered the early and late stages of clinical development in the last decade. Most non-anticholinergic compounds in ongoing clinical trials target central and peripheral neurotransmitter receptors involved in neurological modulation of micturition, nonadrenergic-noncholinergic mechanisms, cyclic nucleotide metabolism, different subtypes of ion channels or peripheral receptors of prostaglandins, vanilloids, vitamin D3, and opioids. Fascinating advances are ongoing also in the field of genetic therapy. CONCLUSIONS New pharmaceutical formulations and drug combinations are expected to be available in the next decade in order to overcome the limitations of current drugs for OAB. Although proof-of-concept, patient-oriented studies yielded disappointing results for several tentative drugs, a lot of clinical research is ongoing that is expected to provide clinicians with novel therapeutic agents in the near future.
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Affiliation(s)
- Emilio Sacco
- Department of Urology, "Agostino Gemelli" Hospital, Catholic University Medical School, Rome, Italy,
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