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Abstract
Budesonide/glycopyrronium/formoterol (BREZTRI AEROSPHERE™; TRIXEO AEROSPHERE™) is an inhaled fixed-dose combination of the inhaled corticosteroid (ICS) budesonide, the long-acting muscarinic antagonist (LAMA) glycopyrronium bromide and the long-acting β2-agonist (LABA) formoterol fumarate approved for the maintenance treatment of chronic obstructive pulmonary disease (COPD). It is delivered via a pressurized metered-dose Aerosphere inhaler and is formulated using co-suspension delivery technology. In two pivotal phase III trials of 24–52 weeks’ duration, budesonide/glycopyrronium/formoterol reduced the rates of moderate/severe COPD exacerbations and improved lung function to a greater extent than budesonide/formoterol and/or glycopyrronium/formoterol. Budesonide/glycopyrronium/formoterol also demonstrated beneficial effects on dyspnoea, rescue medication requirements and health-related quality of life (HR-QOL), and reduced the risk of all-cause mortality. Budesonide/glycopyrronium/formoterol was generally well tolerated, with the tolerability profile being generally similar to that of the individual components. Budesonide/glycopyrronium/formoterol provides a useful and convenient option for the maintenance treatment of COPD, including for patients whose disease is inadequately controlled with dual ICS/LABA or LAMA/LABA therapy. Chronic obstructive pulmonary disease (COPD) is an inflammatory lung disease that is characterized by chronic airflow limitation and persistent respiratory symptoms. A step-up treatment approach combining an inhaled corticosteroid (ICS), a long-acting muscarinic antagonist (LAMA) and a long-acting β2-agonist (LABA) may provide clinical benefits in patients with COPD whose disease is inadequately controlled by dual therapies (ICS/LABA or LAMA/LABA). Budesonide/glycopyrronium/formoterol (BREZTRI AEROSPHERE™; TRIXEO AEROSPHERE™) is a fixed-dose ICS/LAMA/LABA combination approved for the maintenance treatment of COPD. It is administered twice daily via a single pressurized metered-dose Aerosphere inhaler. Patients with moderate to very severe COPD receiving budesonide/glycopyrronium/formoterol had fewer moderate or severe COPD exacerbations and improved lung function, respiratory symptoms and quality of life compared with patients receiving ICS/LABA or LAMA/LABA therapy. The risk of death was reduced compared with that of patients receiving LAMA/LABA therapy. Budesonide/glycopyrronium/formoterol was generally well tolerated, with similar rates of adverse events to dual therapy. Budesonide/glycopyrronium/formoterol is a useful and convenient option for the maintenance treatment of COPD.
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Rogliani P, Ora J, Girolami A, Rossi I, de Guido I, Facciolo F, Cazzola M, Calzetta L. Ceiling effect of beclomethasone/formoterol/glycopyrronium triple fixed-dose combination in COPD: A translational bench-to-bedside study. Pulm Pharmacol Ther 2021; 69:102050. [PMID: 34129945 DOI: 10.1016/j.pupt.2021.102050] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/14/2021] [Accepted: 06/09/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Currently, data on the possible synergy of adding a LAMA to ICS/LABA combination are missing and no studies assessed whether triple therapy may induce ceiling bronchodilator effect. A translational study was performed to investigate the interaction between glycopyrronium bromide (GB) and beclomethasone dipropionate (BDP)/formoterol fumarate (FF) combination in human isolated airways and the effect on FEV1 and small airway resistance of BDP/FF/GB in COPD. METHODS The interaction of adding GB to BDP/FF combination was tested in vitro in medium and small airways via Bliss, Loewe, and Highest Single Agent models. The peak and trough effect on FEV1 and R5-R19 of salbutamol on top of BDP/FF/GB 100/6/12.5 μg FDC via extrafine formulation was investigated in severe COPD patients after two weeks of treatment. RESULTS GB plus BDP/FF elicited significant synergistic bronchorelaxation in medium and small isolated airways (overall maximal effect: +32% vs. additive effect). No significant (P > 0.05) improvement in R5-R19 was detected when salbutamol was administered on top of BDP/FF/GB 100/6/12.5 μg FDC (peak -0.12 ± 0.22 cmH2O/L/s, trough -0.23 ± 0.25 cmH2O/L/s). Salbutamol significantly (P < 0.01) increased FEV1 when administered on top of triple FDC (peak +145 ± 119 ml, trough +221 ± 111 ml). CONCLUSION The synergistic interaction detected in vitro when adding GB to BDP/FF combination may lead to ceiling bronchorelaxation of small airways in vivo, an effect that may improve hyperinflation in subjects with small airway disease and, thus, explain the substantial clinical benefits of triple combination therapy administered via extrafine formulation in severe COPD patients. STUDY REGISTRATION ISRCTN94089001.
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Sen P, Majumdar U, Zein J, Hatipoğlu U, Attaway AH. Inhaled corticosteroids do not adversely impact outcomes in COVID-19 positive patients with COPD: An analysis of Cleveland Clinic's COVID-19 registry. PLoS One 2021; 16:e0252576. [PMID: 34081722 PMCID: PMC8174679 DOI: 10.1371/journal.pone.0252576] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 05/18/2021] [Indexed: 12/12/2022] Open
Abstract
Inhaled Corticosteroids (ICS) are commonly prescribed to patients with severe COPD and recurrent exacerbations. It is not known what impact ICS cause in terms of COVID-19 positivity or disease severity in COPD. This study examined 27,810 patients with COPD from the Cleveland Clinic COVID-19 registry between March 8th and September 16th, 2020. Electronic health records were used to determine diagnosis of COPD, ICS use, and clinical outcomes. Multivariate logistic regression was used to adjust for demographics, month of COVID-19 testing, and comorbidities known to be associated with increased risk for severe COVID-19 disease. Amongst the COPD patients who were tested for COVID-19, 44.1% of those taking an ICS-containing inhaler tested positive for COVID-19 versus 47.2% who tested negative for COVID-19 (p = 0.033). Of those who tested positive for COVID-19 (n = 1288), 371 (28.8%) required hospitalization. In-hospital outcomes were not significantly different when comparing ICS versus no ICS in terms of ICU admission (36.8% [74/201] vs 31.2% [53/170], p = 0.30), endotracheal intubation (21.9% [44/201] vs 16.5% [28/170], p = 0.24), or mortality (18.4% [37/201] vs 20.0% [34/170], p = 0.80). Multivariate logistic regression demonstrated no significant differences in hospitalization (adj OR 1.12, CI: 0.90-1.38), ICU admission (adj OR: 1.31, CI: 0.82-2.10), need for mechanical ventilation (adj OR 1.65, CI: 0.69-4.02), or mortality (OR: 0.80, CI: 0.43-1.49). In conclusion, ICS therapy did not increase COVID-19 related healthcare utilization or mortality outcome in patients with COPD followed at the Cleveland Clinic health system. These findings should encourage clinicians to continue ICS therapy for COPD patients during the COVID-19 pandemic.
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Shenot PJ. Rethinking the approach to evaluation and management of overactive bladder. THE CANADIAN JOURNAL OF UROLOGY 2021; 28:10705. [PMID: 34129466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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Bourdin A, Molinari N, Ferguson GT, Singh B, Siddiqui MK, Holmgren U, Ouwens M, Jenkins M, De Nigris E. Efficacy and Safety of Budesonide/Glycopyrronium/Formoterol Fumarate versus Other Triple Combinations in COPD: A Systematic Literature Review and Network Meta-analysis. Adv Ther 2021; 38:3089-3112. [PMID: 33929661 PMCID: PMC8189959 DOI: 10.1007/s12325-021-01703-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/10/2021] [Indexed: 11/30/2022]
Abstract
In patients with chronic obstructive pulmonary disease (COPD) who experience further exacerbations or symptoms, despite being prescribed dual long-acting muscarinic antagonist (LAMA)/long-acting β2-agonist (LABA) or inhaled corticosteroid (ICS)/LABA therapies, triple ICS/LAMA/LABA therapy is recommended. A previous network meta-analysis showed comparable efficacy of the ICS/LAMA/LABA, budesonide/glycopyrronium bromide/formoterol fumarate (BUD/GLY/FOR) 320/18/9.6 µg, to other fixed-dose and open combination triple therapies at 24 weeks in COPD. Subsequently, the ETHOS study was published, including data for 8509 patients, assessing the efficacy and safety of BUD/GLY/FOR over 52 weeks. This network meta-analysis (NMA) was conducted to compare the relative efficacy, safety, and tolerability of BUD/GLY/FOR 320/18/9.6 µg with other fixed-dose and open combination triple therapies in COPD over 52 weeks, including data from ETHOS. A systematic literature review was conducted to identify ≥ 10-week randomized controlled trials, including ≥ 1 fixed-dose or open combination triple-therapy arm, in patients with moderate-to-very severe COPD. The methodologic quality and risk of bias of included studies were assessed. Study results were combined using a three-level hierarchical Bayesian NMA model to assess efficacy and safety outcomes at or over 24 and 52 weeks. Meta-regression and sensitivity analyses were used to assess heterogeneity across studies. Nineteen studies (n = 37,741 patients) met the inclusion criteria of the review; 15 contributed to the base case network. LAMA/LABA dual combinations were combined as a single treatment group to create a connected network. Across all outcomes for exacerbations, lung function, symptoms, health-related quality of life, safety, and tolerability, the efficacy and safety of BUD/GLY/FOR were comparable to those of other triple ICS/LAMA/LABA fixed-dose (fluticasone furoate/umeclidinium/vilanterol and beclomethasone dipropionate/glycopyrronium bromide/formoterol fumarate) and open combinations at or over 24 and 52 weeks. Sensitivity analyses and meta-regression results for exacerbation outcomes were broadly in line with the base case NMA. In this NMA, BUD/GLY/FOR 320/18/9.6 μg showed comparable efficacy versus other ICS/LAMA/LABA fixed-dose or open combination therapies in terms of reducing exacerbation rates and improving lung function, symptoms and health-related quality of life in patients with moderate-to-very-severe COPD, in line with previously published meta-analysis results of triple combinations in COPD. The safety and tolerability profile of BUD/GLY/FOR was also found to be comparable to other triple combination therapies.
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Frankel J, Varano S, Staskin D, Shortino D, Jankowich R, Mudd PN. Vibegron improves quality-of-life measures in patients with overactive bladder: Patient-reported outcomes from the EMPOWUR study. Int J Clin Pract 2021; 75:e13937. [PMID: 33332699 PMCID: PMC8244055 DOI: 10.1111/ijcp.13937] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/14/2020] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Quality of life (QOL) can be significantly impacted by symptoms of overactive bladder (OAB). Vibegron is a highly selective β3 -adrenergic receptor agonist that showed efficacy in treatment of symptoms of OAB in the randomised, double-blind, placebo- and active-controlled phase 3 EMPOWUR trial. Here we report patient-reported QOL outcomes from the EMPOWUR trial. METHODS Patients were randomly assigned 5:5:4 to receive vibegron 75 mg, placebo or tolterodine 4 mg extended release, respectively, for 12 weeks. Patients completed the OAB questionnaire (OAB-q) at baseline and at week 12 and the patient global impression (PGI) scales for severity, control, frequency and leakage at baseline and at weeks 4, 8 and 12. Change from baseline at week 12 and responder rates (OAB-q: patients achieving a ≥10-point improvement; PGI: patients reporting best possible response) were assessed. Vibegron was compared with placebo, and no comparisons were made between vibegron and tolterodine. RESULTS Of the 1518 patients randomised, 1463 (placebo, n = 520; vibegron, n = 526; tolterodine, n = 417) had evaluable data for efficacy measures and were included in the analysis. Mean baseline OAB-q and PGI scores were comparable among treatment groups. At week 12, patients receiving vibegron had greater improvements from baseline in OAB-q subscores of coping, concern, sleep, health-related QOL total and symptom bother (P < .01 each) compared with patients receiving placebo; a greater proportion of patients receiving vibegron vs placebo were responders in the OAB-q coping (P < .05) and symptom bother scores (P < .0001). Compared with placebo, a greater proportion of patients who received vibegron achieved the best response on all PGI end-points at week 12 (P < .05 each) and were classified as responders (P < .05 each). CONCLUSIONS In the 12-week EMPOWUR trial, treatment with vibegron was associated with significantly greater and clinically meaningful improvement in OAB-q and PGI scores compared with placebo, consistent with improvements in OAB symptoms. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov identifier number NCT03492281.
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Guan Z, Chen XG, Hay J, van Gerven J, Burggraaf J, de Kam M. Stability analysis of clustering of Norris' visual analogue scale: Applying the consensus clustering approach. Medicine (Baltimore) 2021; 100:e25363. [PMID: 33907093 PMCID: PMC8084085 DOI: 10.1097/md.0000000000025363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/25/2021] [Accepted: 03/11/2021] [Indexed: 11/19/2022] Open
Abstract
ABSTRACT Visual analogue scales are widely used to measure subjective responses. Norris' 16 visual analogue scales (N_VAS) measure subjective feelings of alertness and mood. Up to now, different scientists have clustered items of N_VAS into different ways and Bond and Lader's way has been the most frequently used in clinical research. However, there are concerns about the stability of this clustering over different subject samples and different drug classes. The aim of this study was to test whether Bond and Lader's clustering was stable in terms of subject samples and drug effects. Alternative clustering of N_VAS was tested.Data from studies with 3 types of drugs: cannabinoid receptor agonist (delta-9-tetrahydrocannabinol [THC]), muscarinic antagonist (scopolamine), and benzodiazepines (midazolam and lorazepam), collected between 2005 and 2012, were used for this analysis. Exploratory factor analysis (EFA) was used to test the clustering algorithm of Bond and Lader. Consensus clustering was performed to test the stability of clustering results over samples and over different drug types. Stability analysis was performed using a three-cluster assumption, and then on other alternative assumptions.Heat maps of the consensus matrix (CM) and density plots showed instability of the three-cluster hypothesis and suggested instability over the 3 drug classes. Two- and four-cluster hypothesis were also tested. Heat maps of the CM and density plots suggested that the two-cluster assumption was superior.In summary, the two-cluster assumption leads to a provably stable outcome over samples and the 3 drug types based on the data used.
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Morgan IG. The biological basis of myopic refractive error. Clin Exp Optom 2021; 86:276-88. [PMID: 14558849 DOI: 10.1111/j.1444-0938.2003.tb03123.x] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2003] [Revised: 08/04/2003] [Accepted: 09/02/2003] [Indexed: 11/28/2022] Open
Abstract
Myopia is among the most common refractive errors and is associated with the greatest risk of pathological outcomes. Most animals, including humans, are born with hyperopic errors. During development, axial elongation of the eye occurs and is regulated through a vision-dependent process, known as emmetropisation The extremely rapid changes in the prevalence of myopia and the dependence of myopia on the level of education indicate that there are very strong environmental impacts on the development of myopia. This conflicts with the common occurrence of familial patterns of inheritance of myopia, which suggests a role for genetic determination. There are more than 150 defined genetic syndromes in which familial high myopia is one of the features, including some that are not associated with other syndromes. The evidence for the roles of both nature and nurture in the aetiology of myopia is discussed. This review also examines the experimentally induced refractive errors associated with form-deprivation, recovery from form deprivation and the effects of both negative and positive lenses. In addition, it looks at the local and optical control of eye growth. Finally, the various control pathways for growth are considered. These include dopamine, ZENK-glucagon, retinoic acid and retinoic acid receptors, crystallin, seratonin and melatonin, vasoactive intestinal peptide and enkephalins, nitric oxide and various growth factors.
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Rodrigues FB, Duarte GS, Castelão M, Marques RE, Ferreira J, Sampaio C, Moore AP, Costa J. Botulinum toxin type A versus anticholinergics for cervical dystonia. Cochrane Database Syst Rev 2021; 4:CD004312. [PMID: 33852744 PMCID: PMC8092669 DOI: 10.1002/14651858.cd004312.pub3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND This is an update of a Cochrane Review first published in 2005. Cervical dystonia is the most common form of focal dystonia and is a highly disabling movement disorder, characterised by involuntary, usually painful, head posturing. Currently, botulinum toxin type A (BtA) is considered the first line therapy for this condition. Before BtA, anticholinergics were the most widely accepted treatment. OBJECTIVES To compare the efficacy, safety, and tolerability of BtA versus anticholinergic drugs in adults with cervical dystonia. SEARCH METHODS We searched the Cochrane Movement Disorders' Trials Register to June 2003, screened reference lists of articles and conference proceedings to September 2018, and searched CENTRAL, MEDLINE, and Embase, with no language restrictions, to July 2020. SELECTION CRITERIA Double-blind, parallel, randomised trials (RCTs) of BtA versus anticholinergic drugs in adults with cervical dystonia. DATA COLLECTION AND ANALYSIS Two review authors independently assessed records, selected included studies, extracted data using a paper pro forma, and evaluated the risk of bias and quality of the evidence. We resolved disagreements by consensus or by consulting a third review author. If enough data had been available, we were to perform meta-analyses using a random-effects model for the comparison of BtA versus anticholinergic drugs to estimate pooled effects and corresponding 95% confidence intervals (95% CI). The primary efficacy outcome was improvement in cervical dystonia-specific impairment. The primary safety outcome was the proportion of participants with any adverse event. MAIN RESULTS We included one RCT of moderate overall risk of bias (as multiple domains were at unclear risk of bias), which included 66 BtA-naive participants with cervical dystonia. Two doses of BtA (Dysport; week 0 and 8; mean dose 262 to 292 U) were compared with daily trihexyphenidyl (up to 24 mg daily). The trial was sponsored by the BtA producer. BtA reduced cervical dystonia severity by an average of 2.5 points (95% CI 0.68 to 4.32) on the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) severity subscale 12 weeks after injection, compared to trihexyphenidyl. More participants reported adverse events in the trihexyphenidyl treatment group (76 events), compared with the BtA group (31 events); however, the difference in dropouts due to adverse events was inconclusive between groups. There was a decreased risk of dry mouth, and memory problems with BtA, but the differences were inconclusive between groups for the other reported side effects (blurred vision, dizziness, depression, fatigue, pain at injection site, dysphagia, and neck weakness). AUTHORS' CONCLUSIONS We found very low-certainty evidence that BtA is more effective, better tolerated, and safer than trihexyphenidyl. We found no information on a dose-response relationship with BtA, differences between BtA formulations or different anticholinergics, the utility of electromyography-guided injections, or the duration of treatment effect.
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Sahai A, Belal M, Hamid R, Toozs-Hobson P, Granitsiotis P, Robinson D. Shifting the treatment paradigm in idiopathic overactive bladder. Int J Clin Pract 2021; 75:e13847. [PMID: 33220129 DOI: 10.1111/ijcp.13847] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 11/16/2020] [Indexed: 01/22/2023] Open
Abstract
PURPOSE Overactive Bladder (OAB) is a common condition that is known to have a significant impact on Health Related Quality of Life (HRQoL). Whilst all patients will initially benefit from lifestyle modifications and behavioural therapy in the first instance drug therapy remains integral in management pathways. The purpose of this review paper is to reappraise the evidence based approach to the management of OAB in addition to exploring a new treatment algorithm for the escalation of treatment in those patients with refractory symptoms. DESIGN Literature Review RESULTS: Antimuscarinic drugs are currently the most commonly used medication although the introduction of mirabegron, a β3 agonist, has provided an alternative and also allowed combination therapy in those patients who have failed to improve on primary therapy or who have troublesome side effects. For those patients with symptoms of refractory OAB more invasive therapies including OnabotulinumtoxinA, sacral neuromodulation and Percutaneous Tibial Nerve Stimulation (PTNS) may be indicated. CONCLUSION We propose a new, evidence based, treatment algorithm for the management of OAB in patients who remain refractory to first line therapy.
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Milsom I, Wagg A, Oelke M, Chapple C. Which drugs are best for overactive bladder? From patients' expectations to physicians' decisions. Int J Clin Pract 2021; 75:e13870. [PMID: 33251651 PMCID: PMC8047881 DOI: 10.1111/ijcp.13870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/26/2020] [Accepted: 11/20/2020] [Indexed: 11/27/2022] Open
Abstract
AIM In order to help physicians determine which drugs are the best for treating overactive bladder (OAB) symptoms, this review considered three questions: what are the patient's expectations? What information is generated by the Multicriteria Decision Analysis (MCDA) model? What can physicians expect from medical treatments? METHODS A comprehensive literature search was undertaken on these three topics in order to assist physicians regarding the optimum treatment modality for OAB. RESULTS Patients' difficulties in reporting symptoms and their expectations of treatment outcomes interfere with the success of treatment. To assist physicians in meeting patients' expectations and to choose the most appropriate treatment, a new approach, recognised by the European Medicines Agency, the MCDA model was used to compare the benefits and safety of OAB treatments. CONCLUSION The MCDA model is useful for comparing the benefit-safety profiles of OAB drugs in order to equip clinicians with information on the drug that might best meet their patient's needs. Flexibly dosed fesoterodine appeared to be most efficacious in resolving urgency and urgency incontinence compared with other drugs, and resolution of urinary urgency appears to be associated with a reduced number of reported adverse events.
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Papi A, Fabbri LM, Kerstjens HAM, Rogliani P, Watz H, Singh D. Inhaled long-acting muscarinic antagonists in asthma - A narrative review. Eur J Intern Med 2021; 85:14-22. [PMID: 33563506 DOI: 10.1016/j.ejim.2021.01.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/20/2021] [Accepted: 01/24/2021] [Indexed: 12/13/2022]
Abstract
Long-acting muscarinic antagonists (LAMAs) have a recognised role in the management of chronic obstructive pulmonary disease. In asthma, muscarinic antagonists (both short- and long-acting) were historically considered less effective than β2-agonists; only relatively recently have studies been conducted to evaluate the efficacy of LAMAs, as add-on to either inhaled corticosteroid (ICS) monotherapy or ICS/long-acting β2-agonist (LABA) combinations. These studies led to the approval of the first LAMA, tiotropium, as an add-on therapy in patients with poorly controlled asthma. Subsequently, a number of single-inhaler ICS/LABA/LAMA triple therapies have been approved or are in clinical development for the management of asthma. There is now substantial evidence of the efficacy and safety of LAMAs in asthma that is uncontrolled despite treatment with an ICS/LABA combination. This regimen is recommended by GINA as an optimisation step for patients with severe asthma before any biologic or systemic corticosteroid treatment is initiated. This narrative review summarises the potential mechanisms of action of LAMAs in asthma, together with the initial clinical evidence supporting this use. We also discuss the studies that led to the approval of tiotropium for asthma and the data evaluating the efficacy and safety of the various triple therapies, before considering other potential uses for triple therapy.
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Su S, Liang L, Lin J, Liu L, Chen Z, Gao Y. Systematic review and meta-analysis of the efficacy and safety of vibegron vs antimuscarinic monotherapy for overactive bladder. Medicine (Baltimore) 2021; 100:e23171. [PMID: 33592817 PMCID: PMC7870164 DOI: 10.1097/md.0000000000023171] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 10/08/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Vibegron is a new β3-adrenergic receptor agonist which has been demonstrated for the treatment of overactive bladder (OAB). We carried out meta-analysis to evaluate the efficiency of vibegron vs antimuscarinic monotherapy for treating OAB. METHODS Randomized controlled trials (RCTs) of Vibegron vs antimuscarinic monotherapy for OAB were searched systematically by using EMBASE, MEDLINE, and the Cochrane Controlled Trials Register. The RevMan version 5.3.0. was used to analysis the data. RESULTS Three RCTs involving a total of 1751 patients were studied in the Systematic review and Meta-analysis. Efficacy end points: the mean number of micturitions episodes/d (P = .16); the mean number of urgency episodes/d (P = .05); mean number of urgency incontinence episodes/d (P = .11) and mean number of incontinence episodes/d (P = .14) indicated that vibegron and antimuscarinic had no significant differences in terms of OAB treatment. Mean volume voided/micturition showed a distinct difference in the two groups (P = .009). With regard to dry mouth and drug related treatment-emergent adverse event (TEAE), vibegron showed better tolerance than antimuscarinic. Serious adverse event (SAE) and discontinuations due to adverse event (AE) did not show a significant difference between the two groups. CONCLUSIONS The therapeutic effect of vibegron is similar to that of antimuscarinic, but vibegron does not increase the risk of AE.
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Lipworth B, RuiWen Kuo C, Jabbal S, Chan R. Inhaled triple therapy and airway hyperresponsiveness in persistent asthma. Ann Allergy Asthma Immunol 2021; 126:597-598. [PMID: 33548471 DOI: 10.1016/j.anai.2021.01.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/11/2020] [Accepted: 01/25/2021] [Indexed: 11/19/2022]
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Selvi I. Comment on "A multicenter prospective study for overactive bladder patient treatment satisfaction with mirabegron after being unsatisfied with antimuscarinic therapy (FAVOR study)". Neurourol Urodyn 2021; 40:735-736. [PMID: 33508150 DOI: 10.1002/nau.24611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 01/09/2021] [Indexed: 11/07/2022]
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Abstract
Dystonia is by far the most intrusive and invalidating extrapyramidal side effect of potent classical antipsychotic drugs. Antipsychotic drug-induced dystonia is classified in both acute and tardive forms. The incidence of drug-induced dystonia is associated with the affinity to inhibitory dopamine D2 receptors. Particularly acute dystonia can be treated with anticholinergic drugs, but the tardive form may also respond to such antimuscarinic treatment, which contrasts their effects in tardive dyskinesia. Combining knowledge of the pathophysiology of primary focal dystonia with the anatomical and pharmacological organization of the extrapyramidal system may shed some light on the mechanism of antipsychotic drug-induced dystonia. A suitable hypothesis is derived from the understanding that focal dystonia may be due to a faulty processing of somatosensory input, so leading to inappropriate execution of well-trained motor programmes. Neuroplastic alterations of the sensitivity of extrapyramidal medium-sized spiny projection neurons to stimulation, which are induced by the training of specific complex movements, lead to the sophisticated execution of these motor plans. The sudden and non-selective disinhibition of indirect pathway medium-sized spiny projection neurons by blocking dopamine D2 receptors may distort this process. Shutting down the widespread influence of tonically active giant cholinergic interneurons on all medium-sized spiny projection neurons by blocking muscarinic receptors may result in a reduction of the influence of extrapyramidal cortical-striatal-thalamic-cortical regulation. Furthermore, striatal cholinergic interneurons have an important role to play in integrating cerebellar input with the output of cerebral cortex, and are also targeted by dopaminergic nigrostriatal fibres affecting dopamine D2 receptors.
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Habeš D, Leško D, Štěpán M, Špaček J, Kestřánek J. History and current trends in the treatment of idiopathic overactive bladder. CESKA GYNEKOLOGIE 2021; 86:284-290. [PMID: 34493055 DOI: 10.48095/cccg2021284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
OBJECTIVE Historical and current view on the therapy of overactive bladder. METHODS This review summarizes the historical approach and current therapy of overactive bladder. The articles were gathered from Pubmed and Scopus databases. Studies published before December 2020 were used for the review. RESULTS AND CONCLUSION Overactive bladder is a condition that quite a lot reduces the quality of life of our patients. Our therapeutic approach starts with non-pharmacological treatment, such as pelvic floor exercises. The next step is a pharmacological approach. The entry level drug is trospium. If the effect is not sufficient, propiverine, solifenacin, fesoterodine, darifenacin or mirabegron are used. Electrostimulation or botulinum toxin A application is an option only in cases that didnt respond to pharmacological treatment. It is safe to say, that in the end, there is a way of reducing the severity of overactive bladder symptoms for every patient.
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Oppenheimer J, Slade DJ, Hahn BA, Zografos L, Gilsenan A, Richardson D, McSorley D, Lima R, Molfino NA, Averell CM. Real-world evidence: Patient views on asthma in respiratory specialist clinics in America. Ann Allergy Asthma Immunol 2020; 126:385-393.e2. [PMID: 33387616 DOI: 10.1016/j.anai.2020.12.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/18/2020] [Accepted: 12/28/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Approximately 30% to 50% of patients with moderate/severe asthma have inadequately controlled disease despite adherence to inhaled corticosteroid (ICS)/long-acting β2-agonist (LABA) therapy. Data on prevalence and burden of uncontrolled asthma in specialty settings are lacking. OBJECTIVE To evaluate the prevalence and burden of uncontrolled asthma in respiratory specialist clinics in the United States. METHODS Adults with physician-diagnosed asthma attending pulmonary and allergy clinics with self-reported ICS use in the previous 4 weeks completed an electronic questionnaire including the Asthma Control Test and St George's Respiratory Questionnaire. Additional information was collected using an electronic case report form. RESULTS Of 774 patients attending 12 pulmonary and 12 allergy clinics, 53% were not well controlled (mean [SD] Asthma Control Test, 14.3 [3.6] vs 22.4 [1.6] in well-controlled patients). Among ICS/LABA users, 56% were not well controlled, which increased with increasing ICS dose (low-dose 45.7%; high-dose 59.7%). The not well-controlled group reported more respiratory illnesses, more comorbidities, and poorer health-related quality of life (mean [SD] St George's Respiratory Questionnaire, 46.1 [18.9] vs 19.8 [12.9] in the well-controlled group). These patients also had more asthma exacerbations (≥1 exacerbation, 68.9% vs 43.1%) and increased health care resource utilization (≥1 asthma-related hospitalization, 10.7% vs 2.7%); 27.3% were also receiving systemic corticosteroids. Approximately 40% of the population were eligible for step-up to ICS/LABA/long-acting muscarinic antagonist triple therapy, and 20% were eligible for biologic therapy. CONCLUSION Substantial unmet needs exist among patients with inadequately controlled asthma managed in United States specialist settings, which may be addressed by improved patient and physician education, better guideline implementation, and improved adherence.
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Yu TC, Wu TE, Wang YS, Cheng SF, Liou SW. A STROBE-compliant case-control study: Effects of cumulative doses of topical atropine on intraocular pressure and myopia progression. Medicine (Baltimore) 2020; 99:e22745. [PMID: 33235063 PMCID: PMC7710205 DOI: 10.1097/md.0000000000022745] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Topical atropine has become a mainstream treatment of myopia throughout East and Southeast Asia, but it is uncertain whether long-term topical atropine therapy induces intraocular pressure (IOP) elevation and subsequent development of glaucoma. We then prospectively examined the effects of long-term atropine treatment on IOP.Our case series collected 186 myopic children who were younger than 16 years of age. Complete ocular examination data, IOP and refractive status measurements beginning in 2008 were collected for all participants. Participants were divided into two groups: 121 children who received atropine therapy at various concentrations were classified as the treated group, whereas 65 children who did not receive atropine therapy were classified as the untreated (reference) group. In the treated group, clinicians prescribed different concentrations of atropine eye drops according to their discretion with regard to the severity of myopia on each visit of the patient. We then calculated the cumulative dose of atropine therapy from 2008 to the patients' last follow-up in 2009. Furthermore, the treated group was then further divided into low- and high-refractive-error groups of nearly equal size for further analysis.There were no significant differences for the baseline refractive errors and IOPs between the treated and untreated groups. Both the low- and high-cumulative atropine dosage subgroups showed significantly lower myopic progression than the untreated group, but there was no significant difference between the two subgroups in terms of different cumulative dosages. All groups, including the untreated group, showed an increase of mean IOP at the last follow-up, but both low- and high-cumulative atropine dosage subgroups experienced a smaller increase of IOP. The mean IOP of all atropine-treated groups showed no significant increase in either low- or high-refractive-error eyes.This study revealed that topical atropine eye drops do not induce ocular hypertension and are effective for slowing the progression of myopia. The treatment effects are not correlated with the cumulative atropine dosages.
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Cieślik P, Wierońska JM. Regulation of Glutamatergic Activity via Bidirectional Activation of Two Select Receptors as a Novel Approach in Antipsychotic Drug Discovery. Int J Mol Sci 2020; 21:ijms21228811. [PMID: 33233865 PMCID: PMC7699963 DOI: 10.3390/ijms21228811] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/10/2020] [Accepted: 11/16/2020] [Indexed: 12/14/2022] Open
Abstract
Schizophrenia is a mental disorder that affects approximately 1-2% of the population and develops in early adulthood. The disease is characterized by positive, negative, and cognitive symptoms. A large percentage of patients with schizophrenia have a treatment-resistant disease, and the risk of developing adverse effects is high. Many researchers have attempted to introduce new antipsychotic drugs to the clinic, but most of these treatments failed, and the diversity of schizophrenic symptoms is one of the causes of disappointing results. The present review summarizes the results of our latest papers, showing that the simultaneous activation of two receptors with sub-effective doses of their ligands induces similar effects as the highest dose of each compound alone. The treatments were focused on inhibiting the increased glutamate release responsible for schizophrenia arousal, without interacting with dopamine (D2) receptors. Ligands activating metabotropic receptors for glutamate, GABAB or muscarinic receptors were used, and the compounds were administered in several different combinations. Some combinations reversed all schizophrenia-related deficits in animal models, but others were active only in select models of schizophrenia symptoms (i.e., cognitive or negative symptoms).
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Kentrop J, Savransky V, Klaassen SD, van Groningen T, Bohnert S, Cornelissen AS, Cochrane L, Barry J, Joosen MJA. Pharmacokinetics and efficacy of atropine sulfate/obidoxime chloride co-formulation against VX in a guinea pig model. Regul Toxicol Pharmacol 2020; 119:104823. [PMID: 33212192 DOI: 10.1016/j.yrtph.2020.104823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 11/11/2020] [Indexed: 11/19/2022]
Abstract
Nerve agent exposure is generally treated by an antidote formulation composed of a muscarinic antagonist, atropine sulfate (ATR), and a reactivator of acetylcholinesterase (AChE) such as pralidoxime, obidoxime (OBI), methoxime, trimedoxime or HI-6 and an anticonvulsant. Organophosphates (OPs) irreversibly inhibit AChE, the enzyme responsible for termination of acetylcholine signal transduction. Inhibition of AChE leads to overstimulation of the central and peripheral nervous system with convulsive seizures, respiratory distress and death as result. The present study evaluated the efficacy and pharmacokinetics (PK) of ATR/OBI following exposure to two different VX dose levels. The PK of ATR and OBI administered either as a single drug, combined treatment but separately injected, or administered as the ATR/OBI co-formulation, was determined in plasma of naïve guinea pigs and found to be similar for all formulations. Following subcutaneous VX exposure, ATR/OBI-treated animals showed significant improvement in survival rate and progression of clinical signs compared to untreated animals. Moreover, AChE activity after VX exposure in both blood and brain tissue was significantly higher in ATR/OBI-treated animals compared to vehicle-treated control. In conclusion, ATR/OBI has been proven to be efficacious against exposure to VX and there were no PK interactions between ATR and OBI when administered as a co-formulation.
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Landeira M, Mora Blázquez AM, Martins de Almeida R, Covernton PJO, Medina‐Polo J, Montero AA. A retrospective analysis comparing persistence and adherence to treatment with free- vs fixed-dose combination of an alpha blocker and an antimuscarinic agent in men with LUTS in Spain. Int J Clin Pract 2020; 74:e13616. [PMID: 32681522 PMCID: PMC7685104 DOI: 10.1111/ijcp.13616] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 07/08/2020] [Indexed: 12/02/2022] Open
Abstract
INTRODUCTION Combination therapy with an alpha blocker (AB) plus an antimuscarinic (AM) is recommended for men with moderate-to-severe mixed lower urinary tract symptoms (LUTS) when monotherapy is not effective in relieving storage symptoms. This study compared treatment persistence and adherence with an AB plus AM fixed-dose combination (FDC) vs an AB plus AM free-dose combination in men with LUTS in Spain. METHODS Retrospective study using the Spanish IQVIA Cegedim Electronic Medical Records database. Men prescribed AB plus AM combination therapy were included in an FDC or free-dose combination cohort based on their index treatment. Treatment persistence was the time from index date to first discontinuation of ≥1 of the two index drugs over 12 months. Adherence was measured using the fixed medication possession ratio (MPR). RESULTS Of 3114 patients identified, 999 were included (FDC, n = 790; free-dose combination, n = 209). Median (95% CI) persistence was longer in the FDC (125 [109-151] days) than in the free-dose combination (31 [31-36] days) cohort (hazard ratio [HR], 2.9; 95% CI, 2.4-3.4; P < .0001). The 12-month persistence rates were 31.1% (FDC cohort) and 8.9% (free-dose cohort). The mean (SD) fixed MPR was higher in the FDC cohort (48.8 [37.2]) compared with the free-dose cohort (23.1 [28.4]); more patients in the FDC cohort (34.2%) than in the free-dose cohort (10.0%) were adherent (MPR ≥ 80%). The probability of treatment persistence and adherence increased with age (>80 vs <65 years, persistence HR, 0.7 [95% CI, 0.5-0.9]; MPR difference, 12.5), polypharmacy (persistence HR, 0.7 [95% CI, 0.6-0.9]; MPR difference, 10.7) and previous use of AB (persistence HR, 0.8 [95% CI, 0.7-1.0]; MPR difference, 5.7) or AB/AM combinations (persistence HR, 0.7 [95% CI, 0.5-0.9]; MPR difference, 11.1). CONCLUSIONS Treatment with an AB/AM FDC is associated with better persistence and adherence vs a free-dose combination in men with LUTS in Spain.
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Buhl R, de la Hoz A, Xue W, Singh D, Ferguson GT. Efficacy of Tiotropium/Olodaterol Compared with Tiotropium as a First-Line Maintenance Treatment in Patients with COPD Who Are Naïve to LAMA, LABA and ICS: Pooled Analysis of Four Clinical Trials. Adv Ther 2020; 37:4175-4189. [PMID: 32671684 DOI: 10.1007/s12325-020-01411-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Indexed: 02/06/2023]
Abstract
INTRODUCTION The efficacy of tiotropium/olodaterol compared with tiotropium in patients with chronic obstructive pulmonary disease (COPD) has been demonstrated in a large clinical programme. Currently, randomised controlled trial (RCT) data on dual bronchodilation as first-line maintenance therapy are limited. In this post hoc analysis of pooled data from four RCTs, we compared the efficacy of tiotropium/olodaterol versus tiotropium as maintenance therapy in patients with COPD who were not receiving maintenance treatment with long-acting muscarinic antagonists (LAMAs), long-acting β2-agonists (LABAs) or inhaled corticosteroids (ICS) ("maintenance naïve") at study entry. METHODS TONADO® 1/2 (52 weeks) and OTEMTO® 1/2 (12 weeks) were phase III RCTs in patients with COPD. TONADO 1/2 and OTEMTO 1/2 enrolled patients with post-bronchodilator forced expiratory volume in 1 s (FEV1) < 80% predicted (lower limit FEV1 ≥ 30% in OTEMTO 1/2 only). We examined the effect of tiotropium/olodaterol 5/5 µg versus tiotropium 5 µg on trough FEV1 response, St. George's Respiratory Questionnaire (SGRQ) total score and Transition Dyspnoea Index (TDI) focal score at 12 weeks in four pooled studies. RESULTS The pooled analysis included 1078 maintenance-naïve patients. There were significant improvements with tiotropium/olodaterol versus tiotropium in trough FEV1 [0.056 L; 95% confidence interval (CI) 0.033, 0.079; P < 0.0001], SGRQ score (- 1.780; 95% CI - 3.126 to - 0.434; P = 0.0096) and TDI score (0.409; 95% CI 0.077, 0.741; P = 0.0158) at week 12. For patients receiving tiotropium/olodaterol, the odds of achieving a minimal clinically important difference from baseline in any of the analysed outcomes (FEV1 ≥ 0.1 L, SGRQ ≥ 4.0 points or TDI ≥ 1.0 point) were higher versus tiotropium. CONCLUSIONS In patients who were maintenance naïve at baseline, treatment initiation with tiotropium/olodaterol resulted in greater improvements in lung function, health status and dyspnoea severity compared with tiotropium alone, without compromising patient safety. These results support the use of dual bronchodilation with tiotropium/olodaterol as first-line maintenance treatment in patients with COPD. TRIAL REGISTRATION ClinicalTrials.gov: TONADO® 1 and 2 (NCT01431274 and NCT01431287, registered 8 September 2011) and OTEMTO® 1 and 2 (NCT01964352 and NCT02006732, registered 14 October 2013).
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Axson EL, Lewis A, Potts J, Pang M, Dickinson S, Vioix H, Quint JK. Inhaled therapies for chronic obstructive pulmonary disease: a systematic review and meta-analysis. BMJ Open 2020; 10:e036455. [PMID: 32994234 PMCID: PMC7526304 DOI: 10.1136/bmjopen-2019-036455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 08/25/2020] [Accepted: 09/02/2020] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVES To integrate evidence from randomised controlled trials (RCTs) and observational studies on the efficacy of inhaled treatments for chronic obstructive pulmonary disease using network meta-analyses. METHODS Systematic searches MEDLINE and Embase based on predetermined criteria. Network meta-analyses of RCTs investigated efficacy on exacerbations (long-term: ≥20 weeks of treatment; short-term: <20 weeks), lung function (≥12 weeks), health-related quality of life, mortality and adverse events. Qualitative comparisons of efficacies between RCTs and observational studies. RESULTS 212 RCTs and 19 observational studies were included. Compared with combined long-acting beta-adrenoceptor agonists and long-acting muscarinic antagonists (LABA+LAMA), triple therapy (LABA+LAMA+inhaled corticosteroid) was significantly more effective at reducing exacerbations (long-term 0.85 (95% CI: 0.78 to 0.94; short-term 0.67 (95% CI: 0.49 to 0.92)) and mortality (0.72 (95% CI: 0.59 to 0.89)) but was also associated with increased pneumonia (1.35 (95% CI: 1.10 to 1.67)). No differences in lung function (0.02 (95% CI: -0.10 to 0.14)), health-related quality of life (-1.12 (95% CI: -3.83 to 1.59)) or other adverse events (1.02 (95% CI: 0.96 to 1.08)) were found. Most of the observational evidence trended in the same direction as pooled RCT data. CONCLUSION Further evidence, especially pragmatic trials, are needed to fully understand the characteristics of patient subgroups who may benefit from triple therapy and for those whom the extra risk of adverse events, such as pneumonia, may outweigh any benefits. PROSPERO REGISTRATION NUMBER CRD42018088013.
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Lozano-Ortega G, Walker DR, Johnston K, Mickle A, Harrigan S, Rogula B, Kristy RM, Hairston JC, Schermer CR. Comparative Safety and Efficacy of Treatments for Overactive Bladder Among Older Adults: A Network Meta-analysis. Drugs Aging 2020; 37:801-816. [PMID: 32960422 PMCID: PMC7595992 DOI: 10.1007/s40266-020-00792-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Cumulative exposure to one or more anticholinergic medications ("anticholinergic burden") is associated with an increased risk of adverse outcomes, particularly among older individuals. Mirabegron, an oral selective β3-adrenergic receptor agonist, has demonstrated efficacy in managing the symptoms of overactive bladder without contributing to anticholinergic burden. However, it is not known whether the favorable safety profile of mirabegron relative to antimuscarinics varies with increasing age among a patient population who may have a high anticholinergic burden. OBJECTIVE The primary objective of this study was to indirectly compare the safety and efficacy profile of mirabegron relative to antimuscarinics in older adults with overactive bladder. METHODS A systematic literature review was conducted to identify randomized controlled trials that reported safety and efficacy endpoints among patients aged ≥ 65 years. Identified randomized controlled trials were subsequently synthesized via a network meta-analysis. Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines in designing, performing, and reporting the literature review were followed. In line with current best practices, the network meta-analysis was conducted using a Bayesian approach and according to the overall general guidance for evidence synthesis developed by the National Institute for Health and Care Excellence decision support unit. Estimates of relative safety were assessed via the odds ratio and estimates of relative efficacy were assessed via means and credible intervals. RESULTS A total of 3078 abstracts, 300 of which underwent full-text screening, were identified using the search criteria. Twenty articles reporting on 21 randomized controlled trials were eligible for data extraction and synthesis. Following review, five safety and five efficacy endpoints were considered for inclusion in the network meta-analysis. Regarding findings typical of anticholinergic exposure in older adults, mirabegron was not associated with an increased odds of dry mouth (odds ratio 95% credible interval 0.76 [0.26-2.37]) or constipation (1.08 [0.39-3.02]) relative to placebo, whereas antimuscarinics were strongly associated with these events (odds ratio range 3.78-7.85 and 2.12-4.66, respectively). In this older population, mirabegron was associated with a similar odds of experiencing adverse event-related treatment discontinuations relative to placebo (0.99 [0.57-1.70]), while the odds of experiencing an adverse event-related treatment discontinuation for antimuscarinics had a range of 1.14-3.03 (in most cases, the association was mild). No increased odds of experiencing overall treatment-emergent adverse events was observed for mirabegron or antimuscarinics (odds ratio range 1.25-1.55), apart from fesoterodine (2.23 [1.37-3.37]). Finally, a similar treatment effect was observed across all efficacy endpoints between mirabegron and antimuscarinics in this older population. CONCLUSIONS This study indicates that the safety and efficacy profile of mirabegron remains favorable compared with antimuscarinics among older adults. This includes safety outcomes typically associated with anticholinergic burden, which were less frequently observed in patients treated with mirabegron.
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