نتایج جستجو برای: dutasteride
تعداد نتایج: 380 فیلتر نتایج به سال:
INTRODUCTION Frontal fibrosing alopecia (FFA) is a scarring alopecia characterized by progressive recession of the frontotemporal hairline. Current treatment is aimed at stopping progression, and the combination of dutasteride and pimecrolimus is the most effective therapy. Side effects associated with dutasteride are erectile dysfunction as well as breast tenderness and enlargement, while pime...
Four simple and sensitive visible spectrophotometric methods have been developed for the assay of dutasteride. Method I describes the interaction of dutasteride, as an n-electron donor, with chloranil, as a pi-acceptor, in acetonitrile to give reddish orange colored chloranil radical anion with absorption maxima at 525 nm. Method II involves the oxidative coupling reaction of dutasteride with 3...
Dihydrotestosterone (DHT) is the primary metabolite of testosterone in the prostate and skin. Testosterone is converted to DHT by 5alpha-reductase, which exists in two isoenzyme forms (types 1 and 2). DHT is associated with development of benign prostatic hyperplasia (BPH), and reduction in its level with 5alpha-reductase inhibitors improves the symptoms associated with BPH and reduces the risk...
Testosterone is converted to dihyrotestosterone by two isoenzymes of 5alpha-reductase. Finasteride and dutasteride are 5alpha-reductase inhibitors commonly used in the treatment of benign prostatic hyperplasia. We compared indices of bone mineral density in 50 men treated with finasteride, 50 men treated with dutasteride and 50 men as control. Bone mineral density of spine and hip were measured...
PURPOSE Prostatic dihydrotestosterone (DHT) concentration is regulated by precursors from systemic circulation and prostatic enzymes of androgen metabolism, particularly 5alpha-reductases (i.e., SRD5A1 and SRD5A2). Therefore, the levels of expression SRD5A1 and SRD5A2 and the antiprostatic cancer growth response to finasteride, a selective SRD5A2 inhibitor, versus the dual SRD5A1 and SRD5A2 inh...
With the lifetime risk of being diagnosed with prostate cancer so great, an effective chemopreventive agent could have a profound impact on the lives of men. Despite decades of searching for such an agent, physicians still do not have an approved drug to offer their patients. In this article, we outline current strategies for preventing prostate cancer in general, with a focus on the 5-α-reduct...
PURPOSE The primary objective of the REDUCE (REduction by DUtasteride of prostate Cancer Events) Follow-Up Study was to collect data on the occurrence of newly diagnosed prostate cancers for 2 years beyond the 4-year REDUCE study. MATERIALS AND METHODS The 4-year REDUCE study evaluated prostate cancer risk reduction in men taking dutasteride. This 2-year observational study followed men from ...
Prostate cancer (PCa) is the second most prevalent cancer in men after lung cancer. Prostate cancer development and progression is associated with the dysregulation of a number of molecular pathways; hence, therapeutic strategies targeting such pathways bring great promise. Recently we have shown that metformin, the anti-diabetic drug, can inhibit tumor progression when combined with dutasterid...
CONTEXT Steroid 5α-reductase inhibitors are used to treat benign prostatic hyperplasia and androgenic alopecia, but the role of 5α-dihydrotestosterone (DHT) in mediating testosterone's effects on muscle, sexual function, erythropoiesis, and other androgen-dependent processes remains poorly understood. OBJECTIVE To determine whether testosterone's effects on muscle mass, strength, sexual funct...
Benign prostatic hyperplasia and prostate cancer can be treated with the 5α-reductase inhibitors, finasteride and dutasteride, when pharmacodynamic biomarkers are useful in assessing response. A novel method was developed to measure the substrates and products of 5α-reductases (testosterone, 5α-dihydrotestosterone (DHT), androstenedione) and finasteride and dutasteride simultaneously by liquid ...
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