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https://www.readbyqxmd.com/read/29452017/fractional-non-ablative-laser-assisted-drug-delivery-leads-to-improvement-in-male-and-female-pattern-hair-loss
#1
Ana Carina Junqueira Bertin, Adriana Vilarinho, Ana Lúcia Ariano Junqueira
Androgenetic alopecia, also known as male and female pattern hair loss, is a very prevalent condition; however, approved therapeutic options are limited. Fractionated laser has been proposed to assist in penetration of topical medications to the cutaneous tissue. We present four cases of androgenetic alopecia that underwent treatment with a non-ablative erbium glass fractional laser followed by the application of topical finasteride 0,05% and growth factors including basic fibroblast growth factor, insulin-like growth factor, vascular endothelial growth factor, and copper peptide 1%...
February 16, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29451038/effect-of-finasteride-particle-size-reduction-on-its-pharmacokinetic-tissue-distribution-and-cellular-permeation
#2
Tarek A Ahmed, Ahmed M Al-Abd
Finasteride (FSD), a specific competitive inhibitor of the steroid type-II 5α-reductase enzyme, is used in treatment of benign prostate hyperplasia (BPH) and male pattern baldness. The drug is of limited solubility that affect its dissolution and bioavailability. The aim was to study the effect of FSD particle size reduction on the pharmacokinetic, tissue distribution and cellular permeation. An optimized drug micro- and nano-particles were developed, characterized, administered to group of rats, and systemic pharmacokinetic and tissue distribution within target and not-target organs were determined using near-infrared (NIR) spectroscopy technique...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29447628/sexual-side-effects-of-5-%C3%AE-reductase-inhibitors-finasteride-and-dutasteride-a-comprehensive-review
#3
Raymond M Fertig, A Caresse Gamret, Evan Darwin, Sudeep Gaudi
The 5-α-reductase inhibitors finasteride and dutasteride are frequently used in the treatment of androgenetic alopecia and benign prostatichyperplasia. These drugs are effective at reducing levels of dihydrotestosterone, the primary androgen responsible for the pathogenesis of both these conditions. However, finasteride and dutasteride have also been shown to produce an increase in the incidence of sexual dysfunction, namely, impotence, decreased libido, and ejaculation disorder. The purpose of this study is to review the existing medical literature with regard to the sexual side effects of 5-α-reductase inhibitor therapy...
November 11, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29440863/adverse-effects-with-finasteride-5-mg-day-for-patterned-hair-loss-in-premenopausal-women
#4
Rui Oliveira-Soares, Marisa C André, Miguel Peres-Correia
No abstract text is available yet for this article.
January 2018: International Journal of Trichology
https://www.readbyqxmd.com/read/29428960/sesquiterpene-enriched-extract-of-curcuma-aeruginosa-roxb-retards-axillary-hair-growth-a-randomised-placebo-controlled-double-blind-study
#5
Jukkarin Srivilai, Kanjana Nontakhot, Thanawan Nutuan, Neti Waranuch, Nantaka Khorana, Wudtichai Wisuthiprot, C Norman Scholfield, Katechan Champachaisri, Kornkanok Ingkaninan
BACKGROUND: Sesquiterpenes in Curcuma aeruginosa Roxb. inhibit steroid 5α-reductase and dihydrotestosterone production, and reverse androgenic alopecia. This study sought to show that a high sesquiterpene C. aeruginosa extract (CA-ext) retards axillary hair growth in women. METHODS: Thirty women (age 20-52 years) were recruited into a 12-week, double-blind, placebo-controlled intervention for CA-ext treatment, where they were randomly allocated to a left or right armpit group...
February 9, 2018: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/29428445/-depression-and-suicidal-thoughts-associated-with-finasteride
#6
J-L Schmutz
No abstract text is available yet for this article.
February 7, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29427880/selective-and-rapid-determination-of-tadalafil-and-finasteride-using-solid-phase-extraction-by-high-performance-liquid-chromatography-and-tandem-mass-spectrometry
#7
Nagaraju Pappula, Balaji Kodali, Peda Varma Datla
Highly selective and fast liquid chromatography-tandem mass spectrometric (LC-MS/MS) method was developed and validated for simultaneous determination of tadalafil (TDL) and finasteride (FNS) in human plasma. The method was successfully applied for analysis of TDL and FNS samples in clinical study. The method was validated as per USFDA (United States Food and Drug Administration), EMA (European Medicines Agency), and ANVISA (Agência Nacional de Vigilância Sanitária-Brazil) bio analytical method validation guidelines...
February 7, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29425345/recurrent-central-serous-retinopathy-with-permanent-visual-loss-in-a-u-s-naval-fighter-pilot
#8
Ryan R Richmond, Matthew Rings
Central serous retinopathy (CSR) is a disease process that involves accumulation of serous fluid within the macular retina. This fluid accumulation can temporarily or permanently disrupt vision and in many patients is often a recurrent problem. This case describes recurrent CSR in an experienced U.S. Naval F/A-18 fighter pilot. The patient had been troubled by recurrent CSR for several years which required him to be removed from a flying status. After several episodes and treatment with laser photocoagulation and finasteride, the patient's vision and disease process stabilized, but with permanent defective visual acuity in the right eye...
February 7, 2018: Military Medicine
https://www.readbyqxmd.com/read/29408720/development-and-validation-of-rapid-and-simultaneous-method-for-determination-of-12-hair-growth-compounds-in-adulterated-products-by-uhplc-ms-ms
#9
Han Na Park, Ji Hyun Lee, Sung-Kwan Park, Sun Young Baek, Yong-Moon Lee, Hoil Kang
Synthetic hair-growth compounds have been illegally used in diverse products to enhance the short-term efficacy of these products. In this study, a rapid and simultaneous method for the determination of hair-growth compounds in adulterated products based on ultra high pressure liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was developed and validated. The limit of detection (LOD) and limit of quantitation (LOQs) of the method were 0.08-43.6ng/mL and 0.27-145ng/mL for the solid-, liquid-, and cream-type samples, respectively...
January 8, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29403190/a-pilot-study-to-evaluate-effectiveness-of-botulinum-toxin-in-treatment-of-androgenetic-alopecia-in-males
#10
Sehdev Singh, Shekhar Neema, Biju Vasudevan
Introduction: Androgenetic alopecia is a common form of alopecia with multifactorial etiology. Finasteride and minoxidil are approved by the FDA for the treatment of androgenetic alopecia. Balding scalp is believed to have relative microvascular insufficiency. Blood vessels in the scalp travel through the intramuscular plane. Intramuscular injection of botulinum toxin relaxes muscles and thereby increases blood flow in balding scalp. We conducted a pilot study to evaluate the efficacy of botulinum toxin in androgenetic alopecia management...
July 2017: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/29397551/finasteride-inhibits-melanogenesis-through-regulation-of-the-adenylate-cyclase-in-melanocytes-and-melanoma-cells
#11
Jae Ok Seo, Silvia Yumnam, Kwang Won Jeong, Sun Yeou Kim
Finasteride is a well-known 5α-reductase inhibitor used for treatment of alopecia and prostate cancer. But the effect of finasteride in regulating melanogenesis is still unclear. In the present study the role of finasteride on melanogenesis was investigated. Finasteride decrease melanin level in melanocyte melan-a cells and B16F10 melanoma cells without inducing cytotoxicity. MC1R (melanocortin 1 receptor) protein expression was also inhibited by finasteride thereby decreasing the expression of adenylate cyclase, MITF (Melanogenesis associated transcription factor), tyrosinases, TRP (tyrosinase-related protein) -1 and -2...
February 3, 2018: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29379733/the-use-of-5-alpha-reductase-inhibitors-in-the-treatment-of-benign-prostatic-hyperplasia
#12
REVIEW
Eric H Kim, John A Brockman, Gerald L Andriole
Benign prostatic hyperplasia (BPH) is characterized by an enlarged prostate, lower urinary tract symptoms (LUTS), and a decreased urinary flow rate. Common in older men, BPH is a progressive disease that can eventually lead to complications including acute urinary retention (AUR) and the need for BPH-related surgery. Both normal and abnormal prostate growth is driven by the androgen dihydrotestosterone (DHT), which is formed from testosterone under the influence of 5-alpha reductase. Thus, 5-alpha reductase inhibitors (5-ARIs) effectively reduce the serum and intraprostatic concentration of DHT, causing an involution of prostate tissue...
January 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29379359/effects-of-panax-ginseng-on-the-nerve-growth-factor-expression-in-testosterone-induced-benign-prostatic-hyperplasia
#13
Su Kang Kim, Il GyuKo, Hae Jeong Park, Joo-Ho Chung, Kyu Bong Cho, Oh Young Kwon, Kyeong Hun Park, Young Sub Ahn, Chun Geon Park, Young Ock Kim
The prostatic hyperplasia in benign prostatic hyperplasia (BPH) leads to obstructive micturition symptoms. Previous studies showed that pontine micturition center (PMC), ventrolateral periaqueductal gray (vlPAG), and medial preopticnucleus (MPA) regions in the brain have been known to regulate the urinary bladder function. The present study shows the influences of Panax ginseng on nerve growth factor (NGF) expressions in PMC, vlPAG, and MPA regions in the brain. Wistar rats were used for the present study. The rats split into four groups; 4 groups (n = 6) in control group, BPH-induced group, BPH-induced and P...
January 2018: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29368380/risk-of-rhabdomyolysis-from-5-%C3%AE-reductase-inhibitors
#14
Blayne Welk, Eric McArthur, Michael Ordon, Jade Dirk, Stephanie Dixon, Amit X Garg
PURPOSE: A recent regulatory warning and case reports have described the development of muscle complications with the use of 5-α reductase inhibitors (5ARIs). We wished to determine if there was a link between rhabdomyolysis and 5ARI usage. METHODS: We used a matched cohort design and linked administrative data from the province of Ontario, Canada, to investigate the risk of rhabdomyolysis in men using either finasteride or dutasteride. A total of 99 covariates were measured...
January 25, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29366416/finasteride-topical-delivery-systems-for-androgenetic-alopecia
#15
Muhammad Zia Ullah Khan, Shujaat Ali Khan, Muhammad Ubaid, Aamna Shah, Rozina Kousar, Ghulam Murtaza
Androgenetic alopecia, generally recognized as male pattern baldness, is a gradually developing medical and physiological change, which is manifested by continuous hair-loss from scalp. Finasteride (4-aza-3-oxosteroid) is a potent anti-baldness compound that selectively and competitively inhibits the 5α-reductase isoenzymes. Prolonged oral use of finasteride leads to the emergence of sexual disorders including decrease in libido, gynecomastia, erectile dysfunction, ejaculation disorder, orgasm disorders and mood disturbances...
January 23, 2018: Current Drug Delivery
https://www.readbyqxmd.com/read/29363345/androgenetic-alopecia-drug-safety-and-therapeutic-strategies
#16
Ion G Motofei, David L Rowland, Daniela L Baconi, Mircea Tampa, Maria-Isabela Sârbu, Stana Păunică, Vlad D Constantin, Cristian Bălălău, Ioana Păunică, Simona Roxana Georgescu
Androgenetic alopecia (AGA) is a benign condition with variable psychosocial impact, with some individuals adapting well while others needing therapeutic support. Although 5α-reductase inhibitors like finasteride and dutasteride have proven effective in ameliorating AGA, their use/selection is currently a subject of debate. Areas covered: Treatment of AGA with 5α-reductase inhibitors lead to variable adverse effects and relatively unstable results (therapeutic efficacy ending with treatment cessation), so the choice of optimal therapy is not straightforward...
January 24, 2018: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29318957/research-brief-self-reports-of-a-constellation-of-persistent-antiandrogenic-estrogenic-physical-and-psychological-effects-of-finasteride-usage-among-men
#17
Alicia A Walf, Shan Kaurejo, Cheryl A Frye
Our research objective is to understand more, through subjective, self-reports on discussion boards/forums, persons' experiences associated with the use of drugs that alter androgen metabolism, such as finasteride. Finasteride is an orally active, specific inhibitor of 5α-reductase, which is localized to many androgen-dependent tissues. Finasteride inhibits the conversion of testosterone (T) to dihydrotestosterone (DHT), and is commonly used to treat benign prostatic hypertrophy (BPH) and male pattern baldness (MPB), both disorders associated with elevated DHT levels and 5α-reductase activity in the prostate and hair follicles, respectively...
January 1, 2018: American Journal of Men's Health
https://www.readbyqxmd.com/read/29318656/circadian-genes-and-risk-of-prostate-cancer-in-the-prostate-cancer-prevention-trial
#18
Lisa W Chu, Cathee Till, Baiyu Yang, Catherine M Tangen, Phyllis J Goodman, Kai Yu, Yong Zhu, Summer Han, Ashraful M Hoque, Christine Ambrosone, Ian Thompson, Robin Leach, Ann W Hsing
Circadian genes have been considered as a possible biological mechanism for the observed relationship between circadian rhythm disruptions and increased risk of hormone-related cancers. In the current study, we investigated the relationship between circadian gene variants and prostate cancer risk and whether reducing bioavailable testosterone modifies the circadian genes-prostate cancer relationship. We conducted a nested case-control study among Caucasian men in the Prostate Cancer Prevention Trial (PCPT), a randomized placebo-controlled clinical trial to assess if finasteride (an androgen bioactivation inhibitor) could prevent prostate cancer...
January 10, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29316005/tamsulosin-and-the-risk-of-dementia-in-older-men-with-benign-prostatic-hyperplasia
#19
Yinghui Duan, James J Grady, Peter C Albertsen, Z Helen Wu
PURPOSE: Clinicians use tamsulosin, an α1-adrenoceptor antagonist, to manage symptomatic benign prostatic hyperplasia (BPH). Because α1-adrenoceptors are also present in the brain, the potential exists for adverse effects on cognitive functions. We explored the association between tamsulosin use and dementia risk. METHODS: We used Medicare data (2006-2012) to conduct a cohort study among patients aged ≥65 years and diagnosed with BPH. Men taking tamsulosin (n = 253 136) were matched at a 1:1 ratio using propensity-scores to each of 6 comparison cohorts: patients who used no BPH-medication (n = 180 926), and patients who used the following alternative-BPH-medications: doxazosin (n = 28 581), terazosin (n = 23 858), alfuzosin (n = 17 934), dutasteride (n = 34 027), and finasteride (n = 38 767)...
January 9, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29310201/re-long-term-consequences-of-finasteride-vs-placebo-in-the-prostate-cancer-prevention-trial
#20
Steven A Kaplan
No abstract text is available yet for this article.
January 2018: Journal of Urology
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