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https://www.readbyqxmd.com/read/28789947/impact-of-5%C3%AE-reductase-inhibitors-on-disease-reclassification-among-men-on-active-surveillance-for-localized-prostate-cancer-with-favorable-features
#1
Charles Dai, Vishnu Ganesan, Joseph Zabell, Yaw A Nyame, Nima Almassi, Daniel J Greene, Daniel Hettel, Chad Reichard, Samuel C Haywood, Hans Arora, Anna Zampini, Alice Crane, Jianbo Li, Ahmed Elshafei, Cristina Magi-Galluzzi, Robert J Stein, Khaled Fareed, Michael Gong, J Stephen Jones, Eric A Klein, Andrew J Stephenson
PURPOSE: To determine the effect of 5α-reductase inhibitors (5-ARI) on disease reclassification in men with prostate cancer optimally selected for active surveillance (AS). MATERIALS AND METHODS: A retrospective review identified 635 patients on AS between 2002-2015. Patients with favorable cancer features on repeat biopsy, defined as absence of Gleason upgrading, were included in the cohort. Patients were stratified by those who did or did not receive finasteride/dutasteride within 1 year of diagnosis...
August 5, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28768695/%C3%A2-strontium-ranelate-discontinued
#2
(no author information available yet)
▼ Strontium ranelate discontinued ● Limited treatment options for molluscum contagiosum ● Finasteride drug safety alert ● Does doxycycline delay the next COPD exacerbation? ● Support for WHO standards on reporting clinical trial results ● Delayed antibiotic prescription for lower respiratory tract infections ● Nystatin dose change - much ado about nothing?
August 2, 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28768691/finasteride-drug-safety-alert
#3
(no author information available yet)
No abstract text is available yet for this article.
August 2, 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28765837/the-impact-of-finasteride-and-dutasteride-treatments-on-proliferation-apoptosis-androgen-receptor-5%C3%AE-reductase-1-and-5%C3%AE-reductase-2-in-tramp-mouse-prostates
#4
Alexander B Opoku-Acheampong, Jamie N Henningson, Brian L Lindshield
BACKGROUND: Previously, we studied the effect of finasteride- or dutasteride-containing diets in male C57BL/6 TRAMP x FVB mice. Pre (6 weeks of age) and post (12 weeks of age) groups received finasteride or dutasteride to determine the efficacy of these pharmaceuticals on prostate cancer (PCa) development in male C57BL/6 TRAMP x FVB mice. Post-Dutasteride treatment was more effective than Pre-Dutasteride treatment, and dutasteride treatments were more effective than finasteride treatments in decreasing prostatic intraepithelial neoplasia (PIN) progression and PCa development...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28765080/activation-of-extrasynaptic-%C3%AE-gabaa-receptors-globally-or-within-the-posterior-vta-has-estrous-dependent-effects-on-consumption-of-alcohol-and-estrous-independent-effects-on-locomotion
#5
Laverne C Melón, Zachary T Nolan, Delphine Colar, Eileen M Moore, Stephen L Boehm
Recent reports support higher than expected rates of binge alcohol consumption among women and girls. Unfortunately, few studies have assessed the mechanisms underlying this pattern of intake in females. Studies in males suggest that alcohol concentrations relevant to the beginning stages of binge intoxication may selectively target tonic GABAergic inhibition mediated by GABAA receptor subtypes expressing the δ-subunit protein (δ-GABAARs). Indeed, administration of agonists that interact with these δ-GABAARs prior to alcohol access can abolish binge drinking behavior in male mice...
August 15, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28757062/design-synthesis-and-biological-evaluation-of-novel-3-oxo-4-oxa-5%C3%AE-androst-17%C3%AE-amide-derivatives-as-dual-5%C3%AE-reductase-inhibitors-and-androgen-receptor-antagonists
#6
Kejing Lao, Jie Sun, Chong Wang, Ying Wang, Qidong You, Hong Xiao, Hua Xiang
Prostate cancer (PCa) is the second leading cause of death in men. Recently, some researches have showed that 5α-reductase inhibitors were beneficial in PCa treatment as well. In this study, a series of novel 3-oxo-4-oxa-5α-androst-17β-amide derivatives have been designed and synthesized in a more simple and convenient method. Most of the synthesized compounds displayed good 5α-reductase inhibitory activities and androgen receptor binding affinities. Their anti-proliferation activities in PC-3 and LNCaP cell lines were also evaluated and the results indicated that most of the synthesized compounds exhibited potent anti-proliferative activities...
May 27, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28754796/a-prospective-study-of-chronic-inflammation-in-benign-prostate-tissue-and-risk-of-prostate-cancer-linked-pcpt-and-select-cohorts
#7
Elizabeth A Platz, Ibrahim Kulac, John R Barber, Charles G Drake, Corinne E Joshu, William G Nelson, M Scott Lucia, Eric A Klein, Scott M Lippman, Howard L Parnes, Ian M Thompson, Phyllis J Goodman, Catherine M Tangen, Angelo M De Marzo
BACKGROUND: We leveraged two trials to test the hypothesis of an inflammation-prostate cancer link prospectively in men without indication for biopsy. METHODS: Prostate Cancer Prevention Trial (PCPT) participants who had an end-of-study biopsy performed per protocol that was negative for cancer and who subsequently enrolled in the Selenium and Vitamin E Cancer Prevention Trial (SELECT) were eligible. We selected all 100 cases and sampled 200 frequency-matched controls and used PCPT end-of-study biopsies as "baseline"...
July 28, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28748570/lichen-planopilaris-in-a-latin-american-chilean-population-demographics-clinical-profile-and-treatment-experience
#8
F Mardones, J Shapiro
BACKGROUND: Lichen planopilaris (LPP) is characterized by lymphocytic infiltrate, fibrosis and potential destruction of the hair follicle. Demographic and clinical studies in LPP are limited, and racial differences have not been thoroughly investigated. AIM: To analyse epidemiological data and clinical profiles of Chilean adults with LPP, and report on the treatments used. METHODS: This was a retrospective review of medical records and clinical follow-up of Chilean adults with a clinical and histopathological diagnosis of LPP...
July 27, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28743551/solubilizing-steroidal-drugs-by-%C3%AE-cyclodextrin-derivatives
#9
Dennis H Schwarz, Annegret Engelke, Gerhard Wenz
Administration of steroidal drugs is hampered by their very low solubilities in water. β-Cyclodextrin and β-cyclodextrin derivatives can solubilize steroids and improve bio-availability of these hydrophobic APIs. A systematic overview of the achievable solubility enhancements of various steroids, testosterone, estradiol, progesterone, hydrocortisone, prednisone, dexamethasone, and finasteride, is provided. Beside the spatial fit of the steroid within the cyclodextrin cavity also hydrophilic substituents at the cyclodextrin framework play an important role in the extent of solubilization observed...
July 22, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28743526/change-in-psa-concentration-in-men-with-psa-2-5-ng-ml-taking-low-dose-finasteride-or-dutasteride-for-male-androgenetic-alopecia
#10
Ho Won Kang, Myeong Heon Chae, Su Hyun Park, Sung Pil Seo, Won Tae Kim, Yong-June Kim, Seok-Joong Yun, Sang-Cheol Lee, Tae Young Yoon, Wun-Jae Kim
PURPOSE: This retrospective cohort study aimed to assess the effect on PSA concentrations of low-dose finasteride or dutasteride treatment for male androgenetic alopecia whose baseline serum PSA < 2.5 ng/mL. PATIENTS AND METHODS: The cohort consisted of 1,379 consecutive male patients who were treated for androgenetic alopecia with finateride 1.25 mg daily or dutasteride 0.5 mg every 3 days in 2002-2012 and underwent PSA measurements at baseline and at least once thereafter...
July 22, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28739284/-%C3%A2-%C3%A2-%C3%A2-role-of-5%C3%AE-dihydrotestosterone-in-testicular-development-of-gilthead-seabream-following-finasteride-administration
#11
M García-García, M Sánchez-Hernández, M P García-Hernández, A García-Ayala, E Chaves-Pozo
In teleosts, spermatogenesis is regulated by pituitary gonadotropins and sex steroids. 5α-dihydrotestosterone (DHT), derived from testosterone (T) through the action of 5α-reductase, has recently been suggested to play a physiologically important role in some fish species. In this study, gilthead seabream, Sparus aurata L., males received an implant of 1μgT/g body mass (bm) or vehicle alone and, 7days later, 1mg finasteride (FIN, an inhibitor of 5α-reductase)/kg bm or vehicle. Serum levels of T, 11-ketotestosterone (11KT), DHT and 17β-estradiol (E2), and the mRNA levels of the main enzymes involved in their synthesis, were analysed...
July 21, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28730603/hidradenitis-suppurativa-in-children-treated-with-finasteride-a-case-series
#12
Fernando Mota, Susana Machado, Manuela Selores
BACKGROUND: Hidradenitis suppurativa (HS) is rare in childhood, with only 2% of cases in patients younger than 11 years. It is a chronic, recurrent, debilitating condition for which no universally effective treatment has been developed. We present five cases of children with HS diagnosed between the ages of 6 and 11 years. METHODS: Patients were treated with oral finasteride 1 to 5 mg/day. All had entered puberty at the time of treatment initiation. All had normal laboratory results before starting treatment...
July 20, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28723522/efficacy-and-safety-of-hexanic-lipidosterolic-extract-of-serenoa-repens-permixon-in-the-treatment-of-lower-urinary-tract-symptoms-due-to-benign-prostatic-hyperplasia-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#13
REVIEW
Giacomo Novara, Gianluca Giannarini, Antonio Alcaraz, José-M Cózar-Olmo, Aurelien Descazeaud, Francesco Montorsi, Vincenzo Ficarra
CONTEXT: A recent Cochrane Collaboration meta-analysis of randomized controlled trials (RCTs) evaluating the efficacy of different extracts of Serenoa repens in relieving lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) concluded that these extracts were no more effective than placebo. However, among all Serenoa repens extracts, Permixon (Pierre Fabre Medicament, Paris, France) has the highest activity and the most accurate standards of drug preparation and extraction...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28721283/stereological-comparison-of-intraprostatic-injection-of-alcohol-and-bleomycin-with-finasteride-gavages-in-rats
#14
Ali Eslahi, Ali Noorafshan, Ali-Reza Safarpour, Masood Sepehrimanesh, Ali Ariafara, Elham Nadimi
INTRODUCTION: Resection of the prostate is one of the standard surgical treatments for symptomatic Benign Prostatic Hyperplasia (BPH). To evaluate minimally invasive treatments, intraprostatic injections of ethanol and bleomycin were compared with oral finasteride administration in rats with BPH. MATERIAL AND METHODS: The rats were divided into six groups. The control rats received no BPH/no treatment. BPH was induced using injections of testosterone (2 mg/day/rat for 4 weeks) in groups II-VI...
June 30, 2017: Central European Journal of Urology
https://www.readbyqxmd.com/read/28691187/therapeutic-experience-with-oral-finasteride-for-androgenetic-alopecia-in-female-to-male-transgender-patients
#15
O M Moreno-Arrones, A Becerra, S Vano-Galvan
BACKGROUND: Androgenic treatment of female-to-male transgender patients may result in androgenetic alopecia (AGA). Use of 5-alpha-reductase inhibitors are useful as oral treatment of AA in men. There are no previous studies of the use of finasteride in transgender men as treatment of AGA. AIM: To evaluate the effectiveness and safety of an oral 5α-reductase inhibitor (finasteride) for AA developed in transgender men. METHODS: This single-centre retrospective study enrolled female-to-male transgender patients with a clinical diagnosis of AGA to receive 1 mg of an oral type II 5α-reductase inhibitor for at least 12 months...
July 10, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28689207/design-of-finasteride-loaded-nanoparticles-for-potential-treatment-of-alopecia
#16
Luís V Roque, Inês S Dias, Nuno Cruz, Ana Rebelo, Amílcar Roberto, Patrícia Rijo, Catarina P Reis
BACKGROUND/AIMS: Androgenetic alopecia is an extremely common dermatological disorder affecting both men and women. Oral finasteride (FNS), a synthetic 4-aza-3-oxosteroid compound with poor aqueous solubility, blocks the peripheral conversion of testosterone to dihydrotestosterone (DHT) in a significant reduction in DHT concentration, achieving satisfactory results in alopecia treatment. However, its oral intake generally causes severe side effects. Considering that there is currently no scientifically proven treatment, new drug delivery systems able to improve alopecia therapy are urgently required...
2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28655607/overexpression-of-the-18%C3%A2-kda-translocator-protein-tspo-in-the-hippocampal-dentate-gyrus-produced-anxiolytic-and-antidepressant-like-behavioural-effects
#17
Lei Li, Wei Wang, Li-Ming Zhang, Xiang-Yun Jiang, Shu-Zheng Sun, Li-Jun Sun, Ying Guo, Jie Gong, You-Zhi Zhang, Heng-Lin Wang, Yun-Feng Li
The 18 kDa translocator protein (TSPO) is a five transmembrane domain protein that plays a crucial role in neurosteroid (e.g., allopregnanolone) synthesis by promoting the transport of cholesterol to the inner mitochondrial membrane. This protein is predominantly expressed in steroid-synthesizing tissues, including the central and peripheral nervous system, affecting stress-related disorders such as anxiety and depression. Recent studies have focused on the hippocampal dentate gyrus, which is very important for involvement of anxiety and depression...
June 24, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28652706/experimental-molecular-docking-investigations-and-bioavailability-study-on-the-inclusion-complexes-of-finasteride-and-cyclodextrins
#18
Fatma M Mady, Usama Farghaly Aly
Finasteride (FIN) is a Class II candidate of the Biopharmaceutics Classification System (BCS). The lipophilic cavity of cyclodextrins (CyDs) enables it to construct a non-covalent inclusion complex with different insoluble drugs. Only β-cyclodextrin (β-CyD) and hydroxypropyl-β-CyD (HP-β-CyD) have been previously examined with FIN. This study aimed to investigate the consistence of FIN with different kinds of β-CyDs, including dimethyl-β-cyclodextrin (DM-β-CyD), carboxymethyl-β-cyclodextrin (CM-β-CyD), HP-β-CyD, sulfobutyl ether-β-cyclodextrin (SBE-β-CyD), and β-CyD, by the coprecipitation method...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28650680/transurethral-resection-of-prostate-and-bleeding-a-prospective-randomized-double-blind-placebo-controlled-trial-to-see-the-efficacy-of-short-term-use-of-finasteride-and-dutasteride-on-operative-blood-loss-and-prostatic-microvessel-density
#19
Ankur Bansal, Aditi Arora
OBJECTIVE: The aim of this study was to determine the efficacy of short-duration use of finasteride and dutasteride before transurethral resection of the prostate (TURP) on intraoperative blood loss and microvessel density (MVD) of prostate stroma and suburethral tissues in benign prostatic hyperplasia (BPH). METHODS: This study includes 450 patients who were planned for TURP. They were prospectively randomized into three groups (150 patients each). Group 1 received placebo, group 2 received finasteride, 5 mg per day, and group 3 patients received dutasteride, 0...
June 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28635053/protective-effects-of-lepidium-meyenii-maca-aqueous-extract-and-lycopene-on-testosterone-propionate-induced-prostatic-hyperplasia-in-mice
#20
Ying Zou, Waleed Aboshora, Jing Li, Tiancun Xiao, Lianfu Zhang
The inhibitory effect of maca extractant, lycopene, and their combination was evaluated in benign prostatic hyperplasia (BPH) mice induced by testosterone propionate. Mice were divided into a saline group, solvent control group and testosterone propionate-induced BPH mice [BPH model group, solvent BPH model group, benzyl glucosinolate group (1.44 mg/kg), maca group (60 mg/kg), lycopene treated (15, 5, and 2.5 mg/kg), maca (30 mg/kg) combine lycopene treated (7.5, 2.5, and 1.25 mg/kg), and finasteride treated]...
August 2017: Phytotherapy Research: PTR
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