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Bourlotos G, Baigent W, Hong M, Plagakis S, Grundy L. BCG induced lower urinary tract symptoms during treatment for NMIBC-Mechanisms and management strategies. Front Neurosci 2024; 17:1327053. [PMID: 38260019 PMCID: PMC10800852 DOI: 10.3389/fnins.2023.1327053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/11/2023] [Indexed: 01/24/2024] Open
Abstract
Non-muscle invasive bladder cancer (NMIBC) accounts for ~70-75% of total bladder cancer tumors and requires effective early intervention to avert progression. The cornerstone of high-risk NMIBC treatment involves trans-urethral resection of the tumor followed by intravesical Bacillus Calmette-Guerin (BCG) immunotherapy. However, BCG therapy is commonly accompanied by significant lower urinary tract symptoms (LUTS) including urinary urgency, urinary frequency, dysuria, and pelvic pain which can undermine treatment adherence and clinical outcomes. Despite this burden, the mechanisms underlying the development of BCG-induced LUTS have yet to be characterized. This review provides a unique perspective on the mechanisms thought to be responsible for the development of BCG-induced LUTS by focussing on the sensory nerves responsible for bladder sensory transduction. This review focuses on how the physiological response to BCG, including inflammation, urothelial permeability, and direct interactions between BCG and sensory nerves could drive bladder afferent sensitization leading to the development of LUTS. Additionally, this review provides an up-to-date summary of the latest clinical data exploring interventions to relieve BCG-induced LUTS, including therapeutic targeting of bladder contractions, inflammation, increased bladder permeability, and direct inhibition of bladder sensory signaling. Addressing the clinical burden of BCG-induced LUTS holds significant potential to enhance patient quality of life, treatment compliance, and overall outcomes in NMIBC management. However, the lack of knowledge on the pathophysiological mechanisms that drive BCG-induced LUTS has limited the development of novel and efficacious therapeutic options. Further research is urgently required to unravel the mechanisms that drive BCG-induced LUTS.
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Affiliation(s)
- Georgia Bourlotos
- College of Medicine and Public Health, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
| | - William Baigent
- College of Medicine and Public Health, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
| | - Matthew Hong
- College of Medicine and Public Health, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
- Urology Unit, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Sophie Plagakis
- Urology Unit, Flinders Medical Centre, Bedford Park, SA, Australia
| | - Luke Grundy
- College of Medicine and Public Health, Flinders Health and Medical Research Institute, Flinders University, Bedford Park, SA, Australia
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Luyts N, Daniluk J, Freitas ACN, Bazeli B, Janssens A, Mulier M, Everaerts W, Voets T. Inhibition of TRPM8 by the urinary tract analgesic drug phenazopyridine. Eur J Pharmacol 2023; 942:175512. [PMID: 36657655 DOI: 10.1016/j.ejphar.2023.175512] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/18/2023]
Abstract
BACKGROUND and purpose: Phenazopyridine (PAP) is an over-the-counter drug widely used to provide symptomatic relief of bladder pain in conditions such as cystitis or bladder pain syndrome (BPS). Whereas the analgesic effect of PAP has been attributed to a local effect on the mucosa of the lower urinary tract (LUT), the molecular targets of PAP remain unknown. We investigated the effect of PAP on pain-related Transient Receptor Potential (TRP) channels expressed in sensory neurons that innervate the bladder wall. EXPERIMENTAL APPROACH The effects of PAP on the relevant TRP channels (TRPV1, TRPA1, TRPM8, TRPM3) expressed in HEK293 or CHO cells was investigated using Fura-2-based calcium measurements and whole-cell patch-clamp recordings. Activity of PAP on TRPM8 was further analysed using Fura-2-based calcium imaging on sensory neurons isolated from lumbosacral dorsal root ganglia (DRG) of mice. KEY RESULTS PAP rapidly and reversibly inhibits responses of TRPM8 expressed in HEK293 cells to cold and menthol, with IC50 values between 2 and 10 μM. It acts by shifting the voltage dependence of channel activation towards positive potentials, opposite to the effect of menthol. PAP also inhibits TRPM8-mediated, menthol-evoked calcium responses in lumbosacral DRG neurons. At a concentration of 10 μM, PAP did not significantly affect TRPA1, TRPV1, or TRPM3. CONCLUSION AND IMPLICATIONS PAP inhibits TRPM8 in a concentration range consistent with PAP levels in the urine of treated patients. Since TRPM8 is expressed in bladder afferent neurons and upregulated in patients with painful bladder disorders, TRPM8 inhibition may underlie the analgesic activity of PAP.
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Affiliation(s)
- Noémie Luyts
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Jan Daniluk
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Ana Cristina Nogueira Freitas
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Bahar Bazeli
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Annelies Janssens
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Marie Mulier
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
| | - Wouter Everaerts
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium; Department of Urology, University Hospitals Leuven, Leuven, Belgium.
| | - Thomas Voets
- Laboratory of Ion Channel Research, VIB-KU Leuven Center for Brain & Disease Research, Leuven, Belgium; Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, University of Leuven, Leuven, Belgium.
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Neu S, Locke JA, Rebullar K, Carr L, Herschorn S. Recurrent triamcinolone injections for the treatment of Hunner’s lesions in bladder pain syndrome. JOURNAL OF CLINICAL UROLOGY 2022. [DOI: 10.1177/20514158221122521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: To determine if periodic triamcinolone injections into Hunner’s lesion in patients with bladder pain syndrome (BPS) reduces the need for opioids and other pain treatments. Methods: This is a retrospective analysis of 28 patients receiving endoscopic injections of 0.5–1.0 cc of triamcinolone acetate into Hunner’s lesions between 2010 and 2018. Wilcoxon signed-rank test was used to compare pain regimens before and after injections. Results: Median age at first triamcinolone injection was 63 (IQR 54–73). Median number of injections/patient was 3 (IQR 2–5.5), at a mean of 8-month intervals (2–80). The median number of pain treatments prior to triamcinolone was 4 (0–13), and 25% of patients were using opioids. With one or more injections, 92.9% had improvement in pain symptoms. There was a significant decrease in number of pain treatments following triamcinolone injections (4.1 vs 0.8, p = 0.006). Fifty-seven percent managed with triamcinolone injections alone, with no other pain treatments. Of the seven patients using opioids, four discontinued opioids altogether. Conclusions: Repeat triamcinolone injections into Hunner’s lesions are associated with a significant reduction in the number of pain treatments used for BPS, with an associated decrease in opioid use. Level of evidence: 4
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Affiliation(s)
- Sarah Neu
- Division of Urology, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - Jennifer A Locke
- Division of Urology, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - Karla Rebullar
- Division of Urology, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - Lesley Carr
- Division of Urology, Sunnybrook Health Sciences Centre, University of Toronto, Canada
| | - Sender Herschorn
- Division of Urology, Sunnybrook Health Sciences Centre, University of Toronto, Canada
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Tholemeier LN, Bresee C, De Hoedt AM, Barbour KE, Kim J, Freedland SJ, Anger JT. Do medication prescription patterns follow guidelines in a cohort of women with interstitial cystitis/bladder pain syndrome? Neurourol Urodyn 2022; 41:1121-1126. [PMID: 35391498 PMCID: PMC10460127 DOI: 10.1002/nau.24923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/28/2022] [Accepted: 03/09/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To describe prescription prevalence of oral bladder pain medications among women with interstitial cystitis/bladder pain syndrome (IC/BPS) and to compare with current treatment guidelines. METHODS We sampled female patients with an ICD-9/10 diagnosis of IC/BPS (595.1/N30.10) by querying active users of the Veterans Health Administration. Medical records were reviewed to determine whether patients met IC/BPS diagnostic criteria. A cohort of women with other pelvic pain disorders was identified. Prescription prevalence of typical non-narcotic oral bladder pain medications was compared between the two groups and healthy controls. Prescription prevalence was also compared before and after the diagnosis of IC/BPS was made using Poisson regression. RESULTS There were 641 women who met criteria for IC/BPS and 197 women with "Other pelvic pain" disorders. Women with IC/BPS were prescribed a pain medication more often than those with "Other pelvic pain" (77% vs. 59%, p < 0.0001). Of the women with IC/BPS, 44% tried three or more pain medications. Of women with a diagnosis of IC/BPS, only 67% were prescribed an American Urological Association-recommended medication. Prescription prevalence increased after diagnosis for both pentosan polysulfate (10%-29%, p < 0.0001) and hydroxyzine (17%-40%, p < 0.0001), but not for amitriptyline or cimetidine. Amitriptyline was prescribed to 223 women with IC/BPS, only 125 of which (56%) had a documented history of depression. CONCLUSIONS Many women with IC/BPS required multiple bladder prescriptions, highlighting the difficulty in finding an effective treatment for IC/BPS. Pentosan polysulfate and hydroxyzine were preferred IC/BPS medications. Our next step will be to analyze treatment patterns in those patients who did not receive medications.
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Affiliation(s)
- Lauren N Tholemeier
- Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Catherine Bresee
- Biostatistics Core at the Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | | | - Kamil E Barbour
- Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jayoung Kim
- Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Stephen J Freedland
- Department of Surgery, Division of Urology, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Jennifer T Anger
- Department of Urology, UC San Diego Medical Center, La Jolla, California, USA
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Dobberfuhl AD. Pathophysiology, assessment, and treatment of overactive bladder symptoms in patients with interstitial cystitis/bladder pain syndrome. Neurourol Urodyn 2022; 41:1958-1966. [PMID: 35607890 DOI: 10.1002/nau.24958] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/25/2022] [Accepted: 05/05/2022] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Interstitial cystitis/bladder pain syndrome (IC/BPS) is prevalent, difficult to treat, and has close symptom overlap with overactive bladder (OAB). A review of the pathophysiology, assessment, and treatment of IC/BPS patients with overlapping OAB symptoms has not been summarized recently in the published literature. METHODS A review of the published literature on the overlap of IC/BPS and OAB was conducted using MeSH terminology (1992-2022). RESULTS The pathophysiology of IC/BPS is not fully understood. Animal research has found the bladder trigone and base are richly populated by afferent fibers, including many small unmyelinated C-fibers that may be upregulated in IC/BPS. Successful therapies with multimodal effects on OAB symptoms in patients with IC/BPS are likely to exert beneficial effects on both pain and lower urinary tract symptoms. Potentially efficacious therapies for the treatment of OAB in IC/BPS include pelvic floor physical therapy, oral pharmacotherapy (antimuscarinics and beta-3 agonists), sacral neuromodulation, percutaneous tibial nerve stimulation, and botulinum toxin A (BTA). Antimuscarinics and beta-3 agonists have yielded partial efficacy in IC/BPS, although may help differentiate symptoms of OAB from those associated with IC/BPS. The transvaginal trigone treatment (T3) intradetrusor injection approach allows for delivery of therapeutics to the bladder without the need for a cystoscope and appears to be feasible. CONCLUSIONS Further research is needed to understand the pathophysiology of IC/BPS and symptom overlap with OAB, which in turn should enable the development of more personalized therapeutics.
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Affiliation(s)
- Amy D Dobberfuhl
- Department of Urology, Stanford University School of Medicine, Stanford, California, USA
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Garba K, Avery M, Yusuh M, Abdelwahab O, Harris S, Birch BR, Lwaleed BA. The relationship between illness perception and worsening of interstitial cystitis/painful bladder syndrome symptoms: A cross-sectional study. Neurourol Urodyn 2021; 40:2020-2025. [PMID: 34498775 DOI: 10.1002/nau.24787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/26/2021] [Indexed: 11/10/2022]
Abstract
OBJECTIVE To evaluate disease perception in a cohort of patients with interstitial cystitis/painful bladder syndrome (IC/PBS) using the Brief Illness Perception-Questionnaire (BIP-Q) and to evaluate how this might relate to disease severity. MATERIALS AND METHODS The study is a cross-sectional survey amongst members of Bladder Health UK who had previously received a clinical diagnosis of IC/PBS. A hyperlink containing the questionnaire was sent to the patient group's website and interested members accessed and completed the survey. Participants' inclusion was based on a prior clinical diagnosis of IC/PBS, current O'Leary Sant scores supportive of the diagnosis, and age between 18 and 80. A sample size of 171 was used in the study. The Brief Illness Perception Questionnaire (BIP-Q) and the O'Leary/Sant symptoms and problem indices questionnaire were used to collect data. A multivariable logistic regression analysis was used to test the relationship between items of BIP-Q and severity of IC/PBS. Content analysis was used for the causal domain and subsequently analysed as percentages. RESULTS Six hundred and one members accessed the questionnaire of whom 159 returned completed questionnaires. One hundred and twenty-two of 159 (≥75%) respondents believe that their illness will continue indefinitely. The majority of the respondents indicated that IC/PBS had a negative impact on their daily lives, caused them worry and made them emotionally unstable. Of the 8 BIP-Q items, those most predictive of disease severity were (adjusted odd ratio and confidence intervals): consequence 0.094 (0.023-0.386); treatment control 2.702 (1.256-5.812); identity 0.141 (0.033-0.600); concern 9.363 (1.521-57.632). CONCLUSIONS Our findings show that IC/PBS negatively impacts participant's quality of life and emotional wellbeing. Higher expectation for treatment benefit and increasing levels of patient concern are predictive for severity of IC/PBS.
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Affiliation(s)
- Kamaluddeen Garba
- School of Health Sciences, University of Southampton, Southampton, UK
| | - Miriam Avery
- School of Health Sciences, University of Southampton, Southampton, UK
| | | | - Omar Abdelwahab
- School of Health Sciences, University of Southampton, Southampton, UK
| | - Scott Harris
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Brian R Birch
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Bashir A Lwaleed
- School of Health Sciences, University of Southampton, Southampton, UK
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Peripheral antinociceptive effects of a bifunctional μ and δ opioid receptor ligand in rat model of inflammatory bladder pain. Neuropharmacology 2021; 196:108701. [PMID: 34256047 DOI: 10.1016/j.neuropharm.2021.108701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/09/2021] [Accepted: 07/05/2021] [Indexed: 02/08/2023]
Abstract
There is a need to develop a novel analgesic for pain associated with interstitial cystitis/painful bladder syndrome (IC/PBS). The use of the conventional μ-opioid receptor agonists to manage IC/PBS pain is controversial due to adverse CNS effects. These effects are attenuated in benzylideneoxymorphone (BOM), a low-efficacy μ-opioid receptor agonist/δ-opioid receptor antagonist that attenuates thermal pain and is devoid of reinforcing effects. We hypothesize that BOM will inhibit bladder pain by attenuating responses of urinary bladder distension (UBD)-sensitive afferent fibers. Therefore, the effect of BOM was tested on responses of UBD-sensitive afferent fibers in L6 dorsal root from inflamed and non-inflamed bladder of rats. Immunohistochemical (IHC) examination reveals that following the induction of inflammation there were significant high expressions of μ, δ, and μ-δ heteromer receptors in DRG. BOM dose-dependently (1-10 mg/kg, i.v) attenuated mechanotransduction properties of these afferent fibers from inflamed but not from non-inflamed rats. In behavioral model of bladder pain, BOM significantly attenuated visceromotor responses (VMRs) to UBD only in inflamed group of rats when injected either systemically (10 mg/kg, i.v.) or locally into the bladder (0.1 ml of 10 mg/ml). Furthermore, oxymorphone (OXM), a high-efficacy μ-opioid receptor agonist, attenuated responses of mechanosensitive bladder afferent fibers and VMRs to UBD. Naloxone (10 mg/kg, i.v.) significantly reversed the inhibitory effects of BOM and OXM on responses of bladder afferent fibers and VMRs suggesting μ-opioid receptor-related analgesic effects of these compounds. The results reveal that a low-efficacy, bifunctional opioid-based compound can produce analgesia by attenuating mechanotransduction functions of afferent fibers innervating the urinary bladder.
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Mohiuddin M, Park R, Wesselmann U, Pukall C, Jarvi K, Nickel C, Doiron C, Gilron I. Efficacy and Safety of Drug Combinations for Chronic Pelvic Pain: Protocol for a Systematic Review. JMIR Res Protoc 2021; 10:e21909. [PMID: 33999006 PMCID: PMC8167620 DOI: 10.2196/21909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 02/24/2021] [Accepted: 04/16/2021] [Indexed: 11/13/2022] Open
Abstract
Background Chronic pelvic pain with various etiologies and mechanisms affects men and women and is a major challenge. Monotherapy is often unsuccessful for chronic pelvic pain, and combinations of different classes of medications are frequently prescribed, with the expectation of improved outcomes. Although a number of combination trials for chronic pelvic pain have been reported, we are not aware of any systematic reviews of the available evidence on combination drug therapy for chronic pelvic pain. Objective We have developed a protocol for a systematic review to evaluate available evidence of the efficacy and safety of drug combinations for chronic pelvic pain. Methods This systematic review will involve a detailed search of randomized controlled trials investigating drug combinations to treat chronic pelvic pain in adults. The databases searched will include the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, and EMBASE from their inception until the date the searches are run to identify relevant studies. The primary outcome will be pain relief measured using validated scoring tools. Secondary outcomes, where reported, will include the following: adverse events, serious adverse events, sexual function, quality of life, and depression and anxiety. Methodological quality of each included study will be assessed using the Cochrane Risk of Bias Tool. Results The systematic review defined by this protocol is expected to synthesize available good quality evidence on combination drug therapy in chronic pelvic pain, which may help guide future research and treatment choices for patients and their health care providers. Conclusions This review will provide a clearer understanding of the efficacy and safety of combination pharmacological therapy for chronic pelvic pain. Trial Registration PROSPERO International Prospective Register of Systematic Reviews CRD42020192231; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=192231 International Registered Report Identifier (IRRID) PRR1-10.2196/21909
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Affiliation(s)
- Mohammed Mohiuddin
- Department of Anesthesiology & Perioperative Medicine, Kingston General Hospital, Queen's University, Kingston, ON, Canada
| | - Rex Park
- Department of Anesthesiology & Perioperative Medicine, Kingston General Hospital, Queen's University, Kingston, ON, Canada
| | - Ursula Wesselmann
- Departments of Anesthesiology and Perioperative Medicine, Division of Pain Medicine, Neurology and Psychology, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Caroline Pukall
- Department of Psychology, Centre for Neuroscience Studies, School of Rehabilitation Therapy, Queen's University, Kingston, ON, Canada
| | - Keith Jarvi
- Division of Urology, Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Curtis Nickel
- Department of Urology, Queen's University, Kingston, ON, Canada
| | | | - Ian Gilron
- Department of Anesthesiology & Perioperative Medicine, Kingston General Hospital, Queen's University, Kingston, ON, Canada
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Yoshimura N, Homma Y, Tomoe H, Otsuka A, Kitta T, Masumori N, Akiyama Y, Niimi A, Mitsui T, Nanri M, Namima T, Takei M, Yamaguchi A, Sekiguchi Y, Kajiwara M, Kobayashi S, Ameda K, Ohashi Y, Sakamoto S, Muraki O, Shishido T, Kageyama S, Kokura K, Okazoe H, Yamanishi T, Watanabe T, Uno T, Ohinata A, Ueda T. Efficacy and safety of intravesical instillation of KRP-116D (50% dimethyl sulfoxide solution) for interstitial cystitis/bladder pain syndrome in Japanese patients: A multicenter, randomized, double-blind, placebo-controlled, clinical study. Int J Urol 2021; 28:545-553. [PMID: 33580603 PMCID: PMC8247858 DOI: 10.1111/iju.14505] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/22/2020] [Indexed: 12/24/2022]
Abstract
Objective To evaluate the efficacy and safety of intravesical KRP‐116D, 50% dimethyl sulfoxide solution compared with placebo, in interstitial cystitis/bladder pain syndrome patients. Methods Japanese interstitial cystitis/bladder pain syndrome patients with an O’Leary‐Sant Interstitial Cystitis Symptom Index score of ≥9, who exhibited the bladder‐centric phenotype of interstitial cystitis/bladder pain syndrome diagnosed by cystoscopy and bladder‐derived pain, were enrolled. Patients were allocated to receive either KRP‐116D (n = 49) or placebo (n = 47). The study drug was intravesically administered every 2 weeks for 12 weeks. Results For the primary endpoint, the change in the mean O’Leary‐Sant Interstitial Cystitis Symptom Index score from baseline to week 12 was −5.2 in the KRP‐116D group and −3.4 in the placebo group. The estimated difference between the KRP‐116D and placebo groups was −1.8 (95% confidence interval −3.3, −0.3; P = 0.0188). Statistically significant improvements for KRP‐116D were also observed in the secondary endpoints including O’Leary‐Sant Interstitial Cystitis Problem Index score, micturition episodes/24 h, voided volume/micturition, maximum voided volume/micturition, numerical rating scale score for bladder pain, and global response assessment score. The adverse drug reactions were mild to moderate, and manageable. Conclusions This first randomized, double‐blind, placebo‐controlled trial shows that KRP‐116D improves symptoms, voiding parameters, and global response assessment, compared with placebo, and has a well‐tolerated safety profile in interstitial cystitis/bladder pain syndrome patients with the bladder‐centric phenotype.
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Affiliation(s)
- Naoki Yoshimura
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Department of Urology, Ueda Clinic, Kyoto, Japan
| | - Yukio Homma
- Japanese Red Cross Medical Center, Tokyo, Japan
| | - Hikaru Tomoe
- Department of Pelvic Reconstructive Surgery/Urology, Tokyo Women's Medical University Medical Center East, Tokyo, Japan
| | - Atsushi Otsuka
- Department of Urology, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Takeya Kitta
- Department of Renal and Genitourinary Surgery, Graduate School of Medical Science, Hokkaido University, Hokkaido, Japan
| | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine, Hokkaido, Japan
| | - Yoshiyuki Akiyama
- Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Aya Niimi
- Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,National Center for Global Health and Medicine, Tokyo, Japan
| | - Takahiko Mitsui
- Department of Urology, University of Yamanashi Graduate School of Medical Sciences, Yamanashi, Japan
| | | | | | - Mineo Takei
- Department of Urology, Harasanshin Hospital, Fukuoka, Japan
| | | | - Yuki Sekiguchi
- Female Urology, Women's Clinic LUNA Next Stage, Kanagawa, Japan
| | - Mitsuru Kajiwara
- Department of Urology, Hiroshima Prefectural Hospital, Hiroshima, Japan
| | | | - Kaname Ameda
- Hokkaido Memorial Hospital of Urology, Hokkaido, Japan
| | - Yozo Ohashi
- Department of Urology, Japan Community Healthcare Organization Ritsurin Hospital, Kagawa, Japan
| | | | - Osamu Muraki
- Department of Urology, Fujita General Hospital, Fukushima, Japan
| | - Toshihide Shishido
- Department of Urology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan
| | | | - Koji Kokura
- Department of Urology, Takarazuka City Hospital, Hyogo, Japan.,Kokura Urology Clinic, Hyogo, Japan
| | - Homare Okazoe
- Department of Urology, KKR Takamatsu Hospital, Kagawa, Japan
| | - Tomonori Yamanishi
- Department of Urology, Continence Center, Dokkyo Medical University, Tochigi, Japan
| | - Toyohiko Watanabe
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Takashi Uno
- Clinical Development Center, Kyorin Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Akira Ohinata
- Clinical Development Center, Kyorin Pharmaceutical Co., Ltd., Tokyo, Japan
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10
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Gracely A, Cameron AP. Managing Interstitial Cystitis/Bladder Pain Syndrome in Older Adults. Drugs Aging 2020; 38:1-16. [PMID: 33094445 DOI: 10.1007/s40266-020-00810-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/05/2020] [Indexed: 11/26/2022]
Abstract
In this review, the current literature regarding pharmacotherapy treatment strategies available for the management of interstitial cystitis/bladder pain syndrome in older adults is addressed. The focus is on those treatments described by the American Urologic Association guidelines, organized according to clinical phenotype. Symptoms at presentation can vary with age, with older adults being more likely to experience nocturia, urinary incontinence, and Hunner's lesions than their younger counterparts. As such, treatment of interstitial cystitis/bladder pain syndrome should follow an individualized multimodal plan based on the patient's unique phenotype(s), starting with the most conservative options and escalating as needed. The side-effect profile and medication interactions should be reviewed, especially when treating older adults, requesting the aid of pharmacists or the primary care physician as needed to safely provide treatment.
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Affiliation(s)
- Alyssa Gracely
- Department of Urology, University of Michigan, 1500 E. Medical Center Drive, TC 3875 SPC 5330, Ann Arbor, MI, 48109, USA
| | - Anne P Cameron
- Department of Urology, University of Michigan, 1500 E. Medical Center Drive, TC 3875 SPC 5330, Ann Arbor, MI, 48109, USA.
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Khullar V, Digesu GA, Veit-Rubin N, Sahai A, Rahnama'i MS, Tarcan T, Chermansky C, Dmochowski R. How can we improve the diagnosis and management of bladder pain syndrome? Part 2:ICI-RS 2018. Neurourol Urodyn 2020; 38 Suppl 5:S71-S81. [PMID: 31821630 DOI: 10.1002/nau.24245] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 11/21/2019] [Indexed: 11/12/2022]
Abstract
BACKGROUND This paper summarises the discussion in a think tank at the International Consultation on Incontinence-Research Society (ICI-RS) 2018 about the treatment of bladder pain syndrome. AIMS To review the treatments of bladder pain syndrome from behavioural treatments to surgical interventions. MATERIALS AND METHODS Review the literature in the light of the think tank discussions. RESULTS All guidelines recommend different levels of treatment starting with conservative behavioral treatments then introducing oral treatments followed by intravesical instillations. If these treatments fail then more invasive treatments such as botulinum toxin injections, neuromodulation, or surgery could be suggested. CONCLUSION Unfortunately for all treatments, the numbers are limited and, therefore, the evidence base is not strong. Further suggestions for research are suggested.
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Affiliation(s)
- Vik Khullar
- Department of Urogynaecology, St Mary's Hospital, Imperial College, London, UK
| | - G Alessandro Digesu
- Department of Urogynaecology, St Mary's Hospital, Imperial College, London, UK
| | - Nikolaus Veit-Rubin
- Department of Obstetrics and Gynecology, Medical University of Vienna, Vienna, Austria
| | - Arun Sahai
- Department of Urology, Guy's Hospital, MRC Centre for Transplantation, King's College London, London, UK
| | | | - Tufan Tarcan
- Department of Urology, Marmara University School of Medicine, Istanbul, Turkey.,School of Medicine, Koc University, Istanbul, Turkey
| | - Christopher Chermansky
- Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Roger Dmochowski
- Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee
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Berger G, Arora N, Burkovskiy I, Xia Y, Chinnadurai A, Westhofen R, Hagn G, Cox A, Kelly M, Zhou J, Lehmann C. Experimental Cannabinoid 2 Receptor Activation by Phyto-Derived and Synthetic Cannabinoid Ligands in LPS-Induced Interstitial Cystitis in Mice. Molecules 2019; 24:molecules24234239. [PMID: 31766439 PMCID: PMC6930590 DOI: 10.3390/molecules24234239] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/14/2019] [Accepted: 11/19/2019] [Indexed: 12/22/2022] Open
Abstract
Interstitial cystitis (IC) is a chronic bladder disorder with unclear etiology. The endocannabinoid system has been identified as a key regulator of immune function, with experimental evidence for the involvement of cannabinoid receptors in bladder inflammation. This study used intravital microscopy (IVM) and behavioral testing in lipopolysaccharide-induced IC, to investigate the anti-inflammatory analgesic effects of a natural dietary sesquiterpenoid, beta-caryophyllene (BCP), which is present in cannabis among other plants, and has reported agonist actions at the cannabinoid 2 receptor (CB2R). BCP’s anti-inflammatory actions were compared to the synthetic CB2R-selective cannabinoid, HU308, and to an FDA-approved clinical treatment (dimethyl sulfoxide: DMSO). IVM data revealed that intravesical instillation of BCP and/or HU308 significantly reduces the number of adhering leukocytes in submucosal bladder venules and improves bladder capillary perfusion. The effects of BCP were found to be comparable to that of the selective CB2R synthetic cannabinoid, HU308, and superior to intravesical DMSO treatment. Oral treatment with BCP was also able to reduce bladder inflammation and significantly reduced mechanical allodynia in experimental IC. Based on our findings, we believe that CB2R activation may represent a viable therapeutic target for IC, and that drugs that activate CB2R, such as the generally regarded as safe (GRAS) dietary sesquiterpenoid, BCP, may serve as an adjunct and/or alternative treatment option for alleviating symptoms of inflammation and pain in the management of IC.
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Affiliation(s)
- Geraint Berger
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Nipun Arora
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Microbiology & Immunology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Ian Burkovskiy
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Yanfang Xia
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
| | - Anu Chinnadurai
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
| | - Robert Westhofen
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Georg Hagn
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Ashley Cox
- Department of Urology, Dalhousie University, Halifax, NS B3H 4R2, Canada;
| | - Melanie Kelly
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Ophthalmology & Visual Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Juan Zhou
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Microbiology & Immunology, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Christian Lehmann
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada; (G.B.); (N.A.); (I.B.); (Y.X.); (A.C.); (R.W.); (G.H.); (M.K.); (J.Z.)
- Department of Pharmacology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Department of Microbiology & Immunology, Dalhousie University, Halifax, NS B3H 4R2, Canada
- Correspondence: ; Tel.: +1-(902)-423-9454
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Greiman A, Cox L. Pharmacotherapy for Interstitial Cystitis/Bladder Pain Syndrome. CURRENT BLADDER DYSFUNCTION REPORTS 2019. [DOI: 10.1007/s11884-019-00540-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Ali A, Ali NS, Malik MB, Sayyed Z, Ahmad MQ. An Overview of the Pathology and Emerging Treatment Approaches for Interstitial Cystitis/Bladder Pain Syndrome. Cureus 2018; 10:e3321. [PMID: 30473954 PMCID: PMC6248749 DOI: 10.7759/cureus.3321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 09/17/2018] [Indexed: 01/09/2023] Open
Abstract
Our article will discuss bladder pain syndrome (BPS), which is the presence of chronic suprapubic pain to bladder filling accompanied by other urinary symptoms, such as frequency, urgency, discomfort with filling, and relief with emptying of the bladder in the absence of infections or other pathology. It is mostly seen in females and occurs in 0.06%-30% of the population. Some of the proposed mechanisms causing BPS include damage to the bladder lining, a problem manifesting in the pelvic musculature, endocrine, neurological, allergic, autoimmune system, and inflammatory system; however, a definite cause has not been yet identified. Two types of this syndrome have been identified, ulcerative and non-ulcerative. In the ulcerative disease, areas of reddened mucosa associated with small vessels radiating towards a central scar (at times, covered by a small clot or fibrin) can be seen. In the non-ulcerative type, a normal bladder mucosa can be observed initially, and the subsequent development of glomerulations after hydrodistension is considered a definite sign of its diagnosis. The diagnosis of BPS is primarily clinical; however, cystoscopy and biopsy can also be performed, if needed. Finally, we will discuss in detail the treatment of BPS, which constitutes three different guidelines (The European Association of Urology (EAU) Guidelines 2017, the American Urology Association (AUA) Guidelines 2014, and The Royal College of Obstetricians and Gynecologists (RCOG) in conjunction with the British Society of Urogynaecologists (BSUG) Guidelines 2016). All are proposing different types of therapy, including conservative, medical, and surgical treatment.
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Affiliation(s)
- Asad Ali
- Internal Medicine, CMH Lahore Medical College and Institute of Dentistry, Lahore, PAK
| | | | | | - Zohaib Sayyed
- Pediatrics, Shaikh Khalifa Bin Zayed Al-Nahyan Medical and Dental College, Bahawalpur, PAK
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