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Post-finasteride syndrome

Jason M Hirshburg, Petra A Kelsey, Chelsea A Therrien, A Carlo Gavino, Jason S Reichenberg
Finasteride and dutasteride, both 5-alpha reductase inhibitors, are considered first-line treatment for androgenetic hair loss in men and used increasingly in women. In each case, patients are expected to take the medications indefinitely despite the lack of research regarding long-term adverse effects. Concerns regarding the adverse effects of these medications has led the United States National Institutes of Health to add a link for post-finasteride syndrome to its Genetic and Rare Disease Information Center...
July 2016: Journal of Clinical and Aesthetic Dermatology
Anita K Gupta, Neetu Sharma, Prashant Shukla
Finasteride and dutasteride are commonly used 5-alpha reductase inhibitors. While finasteride is a selective inhibitor of 5-alpha reductase Type II, dutasteride inhibits 5- alpha reductase Type I and II. The United States Food and Drug Administration approved the use of finasteride for benign prostatic hypertrophy (BPH) as well as androgenic alopecia (AGA) while dutasteride is approved only for BPH. Off-label use of dutasteride is not uncommon in AGA as well. Although the postfinasteride syndrome (PFS) is a well-established entity, its symptomatology is quite variable...
May 2016: Indian Journal of Pharmacology
Christine Anne Ganzer, Alan Roy Jacobs
Androgenetic alopecia, the gradual, progressive loss of hair frequently results in psychological despair, in part related to changes in self-image. Current androgenetic alopecia treatments are limited to hair transplantation and medications that inhibit dihydrotestosterone, a potent androgen associated with follicular micronization. Users of finasteride, which prevents dihydrotestosterone production, report serious physical and emotional adverse effects, collectively known as post-finasteride syndrome. Psychiatric illnesses and personality traits, specifically neuroticism influence emotional well-being...
February 11, 2016: American Journal of Men's Health
G Chiriacò, S Cauci, G Mazzon, C Trombetta
Concern regarding adverse effects of finasteride is increasing. We aimed to determine the type and frequency of symptoms in men having long-term sexual and non-sexual side effects after finasteride treatment (a condition recently called post-finasteride syndrome, PFS) against androgenetic alopecia (AGA). Subjects were recruited at the Urology Unit of the Trieste University-Hospital, and from a dedicated website. Out of 79 participants, 34% were white Italians, mean age was 33.4 ± 7.60 years, mean duration of finasteride use was 27...
March 2016: Andrology
Neil F Goodman, Rhoda H Cobin, Walter Futterweit, Jennifer S Glueck, Richard S Legro, Enrico Carmina
Polycystic Ovary Syndrome (PCOS) is recognized as the most common endocrine disorder of reproductive-aged women around the world. This document, produced by the collaboration of the American Association of Clinical Endocrinologists (AACE) and the Androgen Excess and PCOS Society (AES) aims to highlight the most important clinical issues confronting physicians and their patients with PCOS. It is a summary of current best practices in 2015. PCOS has been defined using various criteria, including menstrual irregularity, hyperandrogenism, and polycystic ovary morphology (PCOM)...
November 2015: Endocrine Practice
Christine Anne Ganzer, Alan Roy Jacobs, Farin Iqbal
Finasteride is a synthetic 5-α reductase inhibitor, which prevents the conversion of testosterone to dihydrotestosterone and has been used for more than 20 years in the treatment of male pattern hair loss. Randomized, controlled trials have associated finasteride with both reversible and persistent adverse effects. In this pilot study, we sought to characterize sexual and nonsexual adverse effects that men reported experiencing at least 3 months after stopping the medication. Based on previous research on persistent side effects of finasteride, we constructed an Internet survey targeting six domains: physical symptoms, sexual libido, ejaculatory disorders, disorders of the penis and testes, cognitive symptoms, and psychological symptoms and was e-mailed to patients who reported experiencing symptoms of side effects of finasteride...
May 2015: American Journal of Men's Health
Erika Cecchin, Elena De Mattia, Giorgio Mazzon, Sabina Cauci, Carlo Trombetta, Giuseppe Toffoli
Finasteride is a steroid 5-alpha-reductase inhibitor, approved for the treatment of androgenetic alopecia (AGA) and benign prostate hyperplasia. In some patients the treatment is associated with adverse side effects that could become persistent after therapy discontinuation, resulting in the so-called post-finasteride syndrome (PFS). A pharmacogenetic component in the response to finasteride treatment was previously demonstrated. Two polymorphisms (CAG) rs4045402 and (GGN) rs3138869 in the gene encoding for the androgen receptor (AR) have been hypothesized to play a role in finasteride sensitivity...
October 2014: International Journal of Biological Markers
Smrita Singh, Laxmi Moksha, Namrata Sharma, Jeevan Singh Titiyal, Nirhar Ranjan Biswas, Thirumurthy Velpandian
PURPOSE: The present study was conducted to develop animal models to mimic postmenopausal/androgen deficiency dry eye and to evaluate the expression of sex steroid receptors (NR3A1, NR3A2 and NR3C4) in the ocular tissues of the developed models. METHODS: The study was conducted in healthy Wistar rats of either sex weighing 180-250g. Bilateral ovariectomy was performed in female rats and oral finasteride (dose of 1.16mg/kg/day) challenge was given to both male and female rats...
July 2014: Journal of Pharmacological and Toxicological Methods
Ajaykumar N Sharma, Chandrabhan T Chopde, Khemraj Hirani, Dadasaheb M Kokare, Rajesh R Ugale
We have recently shown that the neurosteroid allopregnanolone modulates anxiolytic effect of ethanol. In the present report, we attempted to examine whether neurosteroids progesterone and dehydroepiandrosterone sulphate (DHEAS), which modulate gamma-aminobutyric acid (GABA(A)) receptor function, affects development of tolerance to ethanol anxiolysis and withdrawal anxiety. Rats on ethanol (6% v/v in nutritionally balanced liquid diet) for prolong period (10 days) were injected twice daily either with vehicle, progesterone (a precursor of allopregnanolone, positive GABA(A) receptor modulator), finasteride (5alpha-reductase inhibitor) or DHEAS (negative GABA(A) receptor modulator)...
July 19, 2007: European Journal of Pharmacology
R E Gorin-Meyer, K M Wiren, M A Tanchuck, S L Long, N Yoneyama, D A Finn
The neurosteroid allopregnanolone (ALLO) is a potent positive modulator of GABAA receptors that can modulate ethanol (EtOH) withdrawal. The 5alpha-reductase inhibitor finasteride can block the formation of ALLO and other GABAergic neurosteroids and also reduce certain effects of EtOH. Treatment with finasteride during chronic EtOH exposure decreased EtOH withdrawal severity and blood EtOH concentrations (BECs), suggesting an additional effect of finasteride on EtOH pharmacokinetics. Thus, the purpose of the present study was to determine the effect of finasteride on acute EtOH withdrawal severity, to minimize the effect of finasteride on EtOH metabolism...
May 25, 2007: Neuroscience
A Bennet
Hypertrichosis, characterized by increased hair growth located in non-androgen-dependent areas, does not justify the monitoring of hormone levels, conversely to hirsutism, with increased hair growth in androgen-dependent areas of the female genitals. Adult hypertrichosis is iatrogenic (minoxidil, ciclosporine, diazoxide or glucocorticosteroids), of metabolic origin (porphyria), nutritional (anorexia) or paraneoplastic (hypertrichosis lanuoginosa). Metabolic or general assessment can help clinical diagnosis...
May 2002: Annales de Dermatologie et de Vénéréologie
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