5 citations
,
January 1989 This study found that testosterone and dihydrotestosterone inhibit the growth rates of hair bulb papilla cells and root sheath fibroblasts, especially at higher doses, while estradiol was ineffective.
5 citations
,
August 1987 in “Andrology” This study found that salivary testosterone levels were significantly lower in oligospermic and azoospermic men compared to normal men, suggesting its potential use in assessing male androgen status.
5 citations
,
July 2024 in “Minerva Endocrinology” In this systematic review, an increase in hemoglobin and hematocrit was associated with testosterone therapy, especially within the first year, and factors like serum testosterone levels and therapy specifics were linked to erythrocytosis development, highlighting the need for further research to guide clinical practice.
5 citations
,
June 2004 in “The Journal of The British Menopause Society” This study found that testosterone therapy can enhance sexual satisfaction and mood in surgically menopausal women on oestrogen, though ongoing monitoring and research are needed to assess long-term safety and effects in other groups.
4 citations
,
November 2024 in “International Journal of Dermatology” This study examines the link between testosterone use and hair health in males, stressing the importance of developing guidelines for safe usage due to associated health risks like liver toxicity, gynecomastia, and hair loss.
4 citations
,
August 2024 in “PLoS ONE” In this study, researchers reported that both progestin-only injectable contraceptives, DMPA-IM and NET-EN, significantly decreased serum testosterone and SHBG levels among HIV-negative women in South Africa, yet this did not explain prior findings of no reduction in risky sexual behavior or sexual function.
4 citations
,
August 2024 in “International Journal of Impotence Research” In this study using the TriNetX Research Network, men with low serum testosterone levels were found to have an increased risk of developing an initial kidney stone, particularly in those aged 33-44, compared to men with normal testosterone levels.
4 citations
,
May 2019 in “Biology open” This study found that while testosterone administration reduced myocardial damage in gonadectomized rats after ischemia/reperfusion injury, Finasteride led to greater improvements, whereas 4-hydroxyandrostenedione worsened outcomes.
4 citations
,
January 2015 in “Endocrinology & metabolic syndrome” This article discusses the role of testosterone in the formation of male characteristics, muscle and bone development, and its impact on skin and hair, but provides no new clinical results.
4 citations
,
January 2013 in “PubMed” In this study, testosterone and finasteride were found to increase insulin and zinc levels while decreasing chromium levels in male adult rats, suggesting potential effects on the glucose cycle.
4 citations
,
February 2009 in “Obstetrical & Gynecological Survey” In this study, a 300 mcg daily testosterone patch significantly increased satisfying sexual episodes and sexual desire in postmenopausal women with hypoactive sexual desire disorder not receiving estrogen, compared to placebo.
4 citations
,
December 2018 in “Case reports in endocrinology” This case study reported a postmenopausal woman with a testosterone-secreting ovarian tumor that was not detected through standard clinical or radiological examination but was found via biopsy.
4 citations
,
October 2000 in “Contraception” This study found that a regimen combining cyproterone acetate and testosterone buciclate induced reversible azoospermia in bonnet monkeys, highlighting its potential as an effective male contraceptive.
4 citations
,
September 1993 in “Steroids” This paper details a method for measuring testosterone metabolism into seven androgens using digital autoradiography, which offers high sensitivity and reduces the need for radioactive materials.
3 citations
,
March 2025 in “Endocrine Connections” This study found that acne prevalence in late pubertal boys was 85%, compared to 15% in girls, with higher DHT levels noted in acne-affected adolescents compared to those without.
3 citations
,
February 2025 in “Endocrine” This study emphasizes the necessity of confirming elevated testosterone levels detected by immunoassay with liquid chromatography-tandem mass spectroscopy before pursuing more complex diagnostic evaluations.
3 citations
,
December 2024 in “Biomolecules & Therapeutics” This study found that Tanshinone I and Tanshinone IIA from Salviae Miltiorrhizae Radix inhibited Nox activity heightened by testosterone in a mouse model, reducing H₂O₂ production and cell apoptosis, and reversing testosterone-induced hair growth suppression, suggesting their potential as treatments for androgenetic alopecia.
3 citations
,
February 2023 in “Journal of Experimental Pharmacology” This study found that LHE may prevent and reverse testosterone-induced prostatic hyperplasia, supporting the traditional use of Kigelia africana for some reproductive system disorders.
3 citations
,
January 2018 in “Frontiers in bioscience” This retrospective analysis reported significant increases in testosterone levels in men with testosterone deficiency using the Daily Subcutaneous Testosterone method combined with hCG and anastrozole, indicating its potential as a treatment option.
3 citations
,
November 2015 in “Journal of Investigative Dermatology” This study examines the interaction between androgen receptor signaling and the β-catenin/Wnt signaling pathway in mouse hair follicles, but reports no clinical results.
3 citations
,
December 2000 in “International Journal of Cosmetic Science” This study established that a human epidermal model can be utilized to assess 5alpha-reductase activity and evaluate enzyme modulators, such as finasteride, for dermatological applications.
3 citations
,
October 2022 in “International Journal of Impotence Research” This article reviews the role of testosterone in sexual health, supporting Testosterone Replacement Therapy as an effective treatment for Hypoactive Sexual Desire Disorder in postmenopausal women, though more research is needed on its long-term effects and applicability to premenopausal women.
3 citations
,
March 2019 in “Post Reproductive Health” Testosterone replacement can help menopausal women with various symptoms, but should be used carefully and is not yet officially licensed in the UK for women.
2 citations
,
March 2025 in “Lynchburg Journal of Medical Science” This literature review highlights varying recommendations for testosterone use in peri- and postmenopausal women, noting its accepted role in treating hypoactive sexual desire disorder but stressing controversy and lack of FDA-approved options for broader use.
2 citations
,
January 2025 in “Frontiers in Pharmacology” In a rat model of benign prostatic hyperplasia, this study found that purple corn extract may improve symptoms by inhibiting prostate enlargement, reducing androgen receptor signaling, and exerting anti-inflammatory effects.
2 citations
,
April 2023 in “Pharmaceuticals” This review discusses the controversial cardiovascular safety and efficacy of subcutaneous testosterone therapy in postmenopausal women, noting that its long-term use appears safe, but CV risk assessments remain disputed.
2 citations
,
September 2020 This Mendelian randomization study reports that lifelong increased free testosterone in males was associated with improved bone mineral density and body composition but increased risks of prostate cancer, hypertension, and several other conditions.
2 citations
,
November 2019 in “Case reports in women's health” In this study, two women with hyperandrogenic symptoms were found to have ovarian Leydig cell tumors after selective ovarian venous sampling and salpingo-oophorectomy, leading to a decline in testosterone levels post-surgery.
2 citations
,
January 2018 in “Biology and medicine” In this study, researchers observed that a significant number of women in Eket, Nigeria, have low testosterone levels, while a subset with high free testosterone may have polycystic ovary syndrome.
2 citations
,
December 2017 in “Theriogenology” This study found that V-ATPase plays a role in the acidification of vas deferens fluid under the influence of testosterone in orchidectomized rats.