65 citations
,
October 2008 in “Journal of Neuroendocrinology” 
34 citations
,
April 2007 in “Neuroscience” In this study, finasteride altered acute ethanol withdrawal severity differently in male and female mice, highlighting sex differences in sensitivity to changes in neurosteroid levels.
54 citations
,
August 2005 in “Alcohol” This study found that acute finasteride treatment decreased ethanol intake in male C57BL/6J mice, whereas chronic treatment showed diminished effects, implying compensatory changes in neurosteroid modulation.
21 citations
,
June 2005 in “Alcoholism: Clinical and Experimental Research” This study found that finasteride affected ethanol withdrawal severity differently in WSP and WSR lines, with more modulation seen in the WSP line.
55 citations
,
March 2005 in “Neuropharmacology” A neurosteroid can reduce caffeine-induced anxiety in rats.
134 citations
,
February 2005 in “Neuropsychopharmacology” GABRA2 gene variations impact alcohol response, and hair loss medication finasteride reduces some effects.
21 citations
,
February 2005 in “Epilepsy & Behavior” The researchers reported that metabolism of progesterone to 3α,5α-THP in the hippocampus is important for its antiseizure effects in ovariectomized rats.
151 citations
,
December 2004 in “Neuropharmacology” Progesterone reduces anxiety without needing progesterone receptors.
203 citations
,
December 2004 in “Journal of The American Academy of Dermatology” This article reviews the historical developments in understanding and treating male pattern hair loss, emphasizing the role of dihydrotestosterone and 5α-reductase inhibitors, but reports no new clinical findings.
235 citations
,
September 2004 in “The Journal of urology/The journal of urology” This review discusses the role of dihydrotestosterone in benign prostatic hyperplasia and reports no new results; the authors highlight 5alpha-reductase inhibitors as a well-established treatment option.
29 citations
,
September 2004 in “Fertility and Sterility” This study found that an intermittent low-dose regimen of finasteride (2.5 mg every 3 days) effectively reduced hirsutism scores in women with idiopathic hirsutism or polycystic ovary syndrome, with fewer side effects than continuous daily administration.
26 citations
,
August 2004 in “Alcoholism Clinical and Experimental Research” This study found that ethanol-induced deficits in motor coordination in rats are not mediated by elevated neuroactive steroid biosynthesis.
83 citations
,
July 2004 in “Pharmacology Biochemistry and Behavior” Higher 3α,5α-THP levels in the brain may reduce depression in pregnant rats.
29 citations
,
June 2004 in “Pharmacology, Biochemistry and Behavior” Finasteride reduces alcohol withdrawal effects, especially in female mice.
180 citations
,
June 2004 in “Journal of Pharmacology and Experimental Therapeutics” This study found that progesterone's antiseizure effects in mice occurred primarily through conversion to allopregnanolone, rather than through the progesterone receptor, as evidenced by results in PR knockout mice.
29 citations
,
April 2004 in “Annals of Pharmacotherapy” This review concluded that finasteride may reduce hirsutism scores and hair diameter in women with hyperandrogenism, but concerns about teratogenicity and long-term safety make it a secondary treatment option.
62 citations
,
April 2004 in “Expert Opinion on Pharmacotherapy” This article reviews the use of finasteride for treating male pattern hair loss, highlighting its mechanism of action in reducing DHT and noting its safety profile with some common adverse effects.
83 citations
,
January 2004 in “Pharmacology & Therapeutics” This review explores the potential role of pregnane neurosteroids in modulating alcohol withdrawal symptoms, suggesting a therapeutic target for treating alcohol dependence, but reports no new clinical results.
136 citations
,
January 2004 in “Neuroscience” This study found that testosterone increased seizure severity in mice and rats, with its neurosteroid metabolites playing a role in modulating seizure susceptibility.
72 citations
,
January 2004 in “Dermatology” This study found that oral finasteride, at a dosage of 2.5 mg/day or more, may improve hair growth and appearance in postmenopausal women with pattern hair loss, without adverse effects.
23 citations
,
July 2003 in “Pharmacology, Biochemistry and Behavior” Finasteride blocks progesterone's effect on absence seizures in rats.
56 citations
,
April 2003 in “Fertility and Sterility” This study found that while cyproterone acetate, finasteride, and spironolactone had similar short-term effects in treating idiopathic hirsutism, spironolactone provided more lasting benefits one year after treatment.
18 citations
,
January 2003 in “Gynecological Endocrinology” In this study, low-dose finasteride (2.5 mg/day) significantly reduced hirsutism scores in women over 12 months without significant hormonal changes or serious side effects.
47 citations
,
November 2002 in “Journal of Neurochemistry” This study found that progesterone pretreatment in rats potentiated the effect of ethanol on mesocortical dopamine levels, suggesting an influence of neuroactive steroids on ethanol's action.
88 citations
,
October 2002 in “Journal of Dermatology” In this study, 19 patients treated with finasteride for androgenetic alopecia developed moderate to severe depression, which resolved after stopping the medication, suggesting an association between finasteride and mood disturbances.
74 citations
,
August 2002 in “Clinical Endocrinology” In this study, low doses of cyproterone acetate with ethinylestradiol were as effective as low-dose flutamide in reducing acne severity in hyperandrogenic women, while finasteride was less effective.
269 citations
,
May 2002 in “Hormones and Behavior” Lowering 3α,5α-THP in the hippocampus increases anxiety and depression in proestrous rats.
269 citations
,
May 2002 in “Journal of Neuroscience” This study observed that acute stress in rats increased neurosteroid levels linked to enhanced GABA(A) receptor function, raising seizure thresholds, while similar effects were seen in mice with deoxycorticosterone administration.
22 citations
,
October 2001 in “Biochemical Pharmacology” This study found that GI198745 acts as a time-dependent inhibitor of rat 5α-reductase type 2 but a rapid-equilibrium inhibitor of type 1, potentially making it more effective than finasteride in preventing rat prostate growth.
63 citations
,
March 2001 in “Fertility and Sterility” This study found that Diane 35 combined with finasteride led to a greater reduction in hirsutism scores over 12 months compared to Diane 35 alone.
50 citations
,
May 2000 in “Fertility and Sterility” This study found that flutamide was more effective than finasteride in reducing hair growth in women with hirsutism over a one-year period.
32 citations
,
April 1999 in “Expert Opinion on Investigational Drugs” Clinical studies reported that finasteride reduces scalp dihydrotestosterone levels and improves hair growth in men with androgenetic alopecia, supporting its role as a treatment option.
48 citations
,
February 1999 in “PubMed” This study found that the anticonvulsant effects of progesterone against PTZ-induced seizures in mice require conversion to allopregnanolone, as shown by the reversal of these effects with a 5alpha-reductase inhibitor.
60 citations
,
December 1998 in “Clinical Pharmacology & Therapeutics” Both drugs lower DHT levels, with GI198745 being more effective.
17 citations
,
May 1998 in “Steroids” This study constructed a model to predict finasteride's inhibitory activity on 5α-reductase type 2 and calculated that a 1 μM plasma concentration, after 50 mg administration, matches prostate inhibition levels.
98 citations
,
April 1997 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively blocks rat enzymes, but with varying methods and strength.
93 citations
,
January 1996 in “Clinical Pharmacokinectics” Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/assets/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
20 citations
,
December 1995 in “Journal of Chromatography B: Biomedical Sciences and Applications” Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
70 citations
,
August 1995 in “Fertility and Sterility” In this study, women with idiopathic hirsutism who took finasteride for 9 months experienced a significant reduction in hirsutism scores compared to those receiving a placebo, with minimal side effects.
26 citations
,
July 1995 in “Neurobiology of Aging” Finasteride affects prostate weights and pituitary activity differently with age.
59 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” This study found that 4 weeks of finasteride treatment significantly decreased DHT levels in bald scalp to levels similar to hair-containing scalp in men with male pattern baldness.
83 citations
,
April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
17 citations
,
March 1992 in “PubMed” This study reports that finasteride administered orally in humans is mainly metabolized through oxidative pathways, with most of the dose excreted as metabolites, primarily in the feces.
211 citations
,
November 1990 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively treats BPH, but needs more trials to understand potential.
147 citations
,
April 1990 in “The Journal of Clinical Endocrinology and Metabolism” This study found that finasteride significantly suppresses serum dihydrotestosterone levels at all tested doses in normal male volunteers without significant adverse effects.
