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?1-Blockers and 5?-Reductase Inhibitors Are the Most Recommended Drugs in Treating Benign Prostatic Hyperplasia: An Evidence-Based Evaluation of Clinical Practice Guidelines.

ABSTRACT: Objective:To systematically evaluate the quality of clinical practice guidelines (CPG) for medically treating benign prostatic hyperplasia (BPH), and to compare the context of recommendations in order to provide references for clinical application. Methods:We searched databases of National Guideline Clearinghouse (NGC), Guidelines International Network (GIN), National Institute for Health and Clinical Excellence (NICE), Scottish Intercollegiate Guidelines Network (SIGN) and World Health Organization (WHO), PubMed, Embase, CNKI, VIP, WanFang Data, CBM, and Medlive from their establishment to October 13, 2019, to collect evidence-based guidelines and/or consensus on BPH. Method quality of included guidelines was assessed according to the Appraisal of Guidelines for Research and Evaluation II (AGREE II) instrument, and differences and similarities among recommendations were compared. Results:A total of 22 guidelines were included, of which eight were updated versions. According to the AGREE II instrument, the median score of scope and purpose, stakeholder involvement, rigor of formulate, clarity of presentation, applicability, and editorial independence was 71.5%, 41%, 25%, 64%, 18%, and 28%, respectively. Based on recommendations for medical treatment, almost all guidelines recommended ?1-blockers and 5?-reductase inhibitors, and most guidelines also recommended muscarinic receptor antagonists. In terms of drug combination therapy, most guidelines recommended "?1 blockers and 5?-reductase inhibitors", and some guidelines also recommended "?1 blockers and muscarinic receptor antagonists". Conclusion:The recommendations from different guidelines were basically similar, only showing conflicts in some areas. The quality of included guidelines remains to be unified, and their context can provide valuable implications for development or improvement.

SUBMITTER: Xu XF

PROVIDER: S-EPMC7109311 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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α1-Blockers and 5α-Reductase Inhibitors Are the Most Recommended Drugs in Treating Benign Prostatic Hyperplasia: An Evidence-Based Evaluation of Clinical Practice Guidelines.

Xu Xiao-Feng XF Liu Guo-Xiong GX Zhu Cong C Qiao Xi-Min XM Yu Shao-Fu SF Deng Tong T Jin Ying-Hui YH

Frontiers in pharmacology 20200325

<h4>Objective</h4>To systematically evaluate the quality of clinical practice guidelines (CPG) for medically treating benign prostatic hyperplasia (BPH), and to compare the context of recommendations in order to provide references for clinical application.<h4>Methods</h4>We searched databases of National Guideline Clearinghouse (NGC), Guidelines International Network (GIN), National Institute for Health and Clinical Excellence (NICE), Scottish Intercollegiate Guidelines Network (SIGN) and World ...[more]

PMID: 32269526

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Project description:ImportanceThe most prescribed class of medications for benign prostatic hyperplasia (BPH) is α-blockers (ABs). However, the cardiovascular safety profile of these medications among patients with BPH is not well understood.ObjectiveTo compare the safety of ABs vs 5-α reductase inhibitors (5-ARIs) for risk of adverse cardiovascular outcomes.Design, setting, and participantsThis active comparator, new-user cohort study was conducted using insurance claims data from a 20% random sample of Medicare beneficiaries from 2007 to 2019 to evaluate the 1-year risk of adverse cardiovascular outcomes. Males aged 66 to 90 years were indexed into the cohort at new use of an AB or 5-ARI. Twelve months of continuous enrollment and at least 1 diagnosis code for BPH within 12 months prior to initiation were required. Data were analyzed from January 2007 through December 2019.ExposuresExposure was defined by a qualifying prescription fill for an AB or 5-ARI after at least 12 months without a prescription for these drug classes.Main outcomes and measuresFollow-up began at a qualified refill for the study drug. Primary study outcomes were hospitalization for heart failure (HF), composite major adverse cardiovascular events (MACE; hospitalization for stroke, myocardial infarction, or death), composite MACE or hospitalization for HF, and death. Inverse probability of treatment and censoring-weighted 1-year risks, risk ratios (RRs), and risk differences (RDs) were estimated for each outcome.ResultsAmong 189 868 older adult males, there were 163 829 patients initiating ABs (mean [SD] age, 74.6 [6.2] years; 579 American Indian or Alaska Native [0.4%], 5890 Asian or Pacific Islander [3.6%], 9179 Black [5.6%], 10 610 Hispanic [6.5%], and 133 510 non-Hispanic White [81.5%]) and 26 039 patients initiating 5-ARIs (mean [SD] age, 75.3 [6.4] years; 76 American Indian or Alaska Native [0.3%], 827 Asian or Pacific Islander [3.2%], 1339 Black [5.1%], 1656 Hispanic [6.4%], and 21 605 non-Hispanic White [83.0%]). ABs compared with 5-ARIs were associated with an increased 1-year risk of MACE (8.95% [95% CI, 8.81%-9.09%] vs 8.32% [95% CI, 7.92%-8.72%]; RR = 1.08 [95% CI, 1.02-1.13]; RD per 1000 individuals = 6.26 [95% CI, 2.15-10.37]), composite MACE and HF (RR = 1.07; [95% CI, 1.03-1.12]; RD per 1000 individuals = 7.40 [95% CI, 2.88-11.93 ]), and death (RR = 1.07; [95% CI, 1.01-1.14]; RD per 1000 individuals = 3.85 [95% CI, 0.40-7.29]). There was no difference in risk for HF hospitalization alone.Conclusions and relevanceThese results suggest that ABs may be associated with an increased risk of adverse cardiovascular outcomes compared with 5-ARIs. If replicated with more detailed confounder data, these results may have important public health implications given these medications' widespread use.

Project description:PurposeIn men with symptomatic benign prostatic hyperplasia 5α-reductase inhibitors are a main modality of treatment. More than 30% of men do not respond to the therapeutic effects of 5α-reductase inhibitors. We have found that a third of adult prostate samples do not express 5α-reductase type 2 secondary to epigenetic modifications. We evaluated whether 5α-reductase type 2 expression in benign prostatic hyperplasia specimens from symptomatic men was linked to methylation of the 5α-reductase type 2 gene promoter. We also identified associations with age, obesity, cardiac risk factors and prostate specific antigen.Materials and methodsProstate samples from men undergoing transurethral prostate resection were used. We determined 5α-reductase type 2 protein expression and gene promoter methylation status by common assays. Clinical variables included age, body mass index, hypertension, hyperlipidemia, diabetes, prostate specific antigen and prostate volume. Univariate and multivariate statistical analyses were performed followed by stepwise logistic regression modeling.ResultsBody mass index and age significantly correlated with methylation of the 5α-reductase type 2 gene promoter (p <0.05) whereas prostate volume, prostate specific antigen or benign prostatic hyperplasia medication did not correlate. Methylation highly correlated with 5α-reductase protein expression (p <0.0001). In a predictive model increasing age and body mass index significantly predicted methylation status and protein expression (p <0.01).ConclusionsIncreasing age and body mass index correlate with increased 5α-reductase type 2 gene promoter methylation and decreased protein expression in men with symptomatic benign prostatic hyperplasia. These results highlight the interplay among age, obesity and gene regulation. Our findings suggest an individualized epigenetic signature for symptomatic benign prostatic hyperplasia, which may be important to choose appropriate personalized treatment options.

Project description:ObjectivesOveractive bladder (OAB) symptoms are often encountered in patients after transurethral resection of the prostate (TUR-P) or transurethral incision of the prostate (TUI-P) for benign prostatic obstruction (BPO). Either antimuscarinics or β-3 agonist has been found effective in relieving OAB symptoms. However, urologists usually do not prescribe such medication immediately after TUR-P or TUI-P to avoid an increase in postvoid residual and risk of urinary tract infection. If OAB medication can be used and adverse events (AEs) can be reduced to minimum, patients' quality of life after bladder outlet obstruction surgery could be improved. This study compared the safety and efficacy between solifenacin and mirabegron in men undergoing TUR-P or TUI-P.Materials and methodsThis prospective, randomized trial compared the safety and efficacy of OAB medication on the reduction in Urgency Severity Score (USS), OAB Symptoms Score (OABSS), International Prostate Symptom Score, and urgency urinary incontinence episodes in men with BPO undergoing surgical intervention. All patients could void smoothly after catheter removal and were randomly received daily solifenacin 5 mg, mirabegron 50 mg, or no interventions for 4 weeks. At 2 and 4 weeks postoperatively, participants' OAB symptoms and AEs were evaluated.ResultsA total of 57 men were enrolled in this study with a mean age of 70.8 ± 6.1 years. At 2 weeks postoperatively, USS (1.56 ± 1.72 vs. 2.39 ± 1.72 vs. 2.26 ± 1.73, P < 0.011) and OABSS (5.33 ± 3.65 vs. 7.67 ± 4.19 vs. 8.58 ± 4.31, P < 0.000) were significantly reduced in patients taking solifenacin, mirabegron, or control, respectively. Two patients in the solifenacin group developed urinary retention. However, the changes of variables at 4 weeks postoperatively were insignificant among the three groups.ConclusionSolifenacin and mirabegron are two different drug classes both equally effective in treating immediate OAB symptoms after TUR-P or TUI-P. However, OAB symptoms could be relieved at 4 weeks without any medication. Considering AEs, β-3 agonist has a more favorable safety profile than antimuscarinics.

Dataset Information

?1-Blockers and 5?-Reductase Inhibitors Are the Most Recommended Drugs in Treating Benign Prostatic Hyperplasia: An Evidence-Based Evaluation of Clinical Practice Guidelines.

Publications

α1-Blockers and 5α-Reductase Inhibitors Are the Most Recommended Drugs in Treating Benign Prostatic Hyperplasia: An Evidence-Based Evaluation of Clinical Practice Guidelines.

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