October 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this hospital-based cross-sectional study, researchers observed that trichoscopy effectively differentiates between severe and mild male pattern hair loss by identifying specific features such as yellow and white dots, vellus hair, and hair shaft diversity.
January 2017 in “Indian journal of health sciences and biomedical research KLEU” This study found no association between androgenetic alopecia and increased prostate volume or serum PSA levels in male patients aged 25–45.
40 citations
,
December 1980 in “The Journal of Dermatologic Surgery and Oncology” This review describes an improved scalp reduction technique that removes two to three times more bald skin than previous methods, utilizing wide undermining, serial relaxing incisions, and adrenocorticosteroids.
28 citations
,
March 2007 in “Journal of The European Academy of Dermatology and Venereology” In this study, researchers found that the existing Norwood and Hamilton classifications for androgenetic alopecia in Indian males had significant limitations, with 18% of cases not fitting into existing pattern categories.
5 citations
,
January 2012 in “Dermatology” This study found that an adapted version of the Hamilton-Norwood classification improves reliability in assessing pattern hair loss and could aid population studies examining its association with cardiovascular disease.
March 2023 in “Civil Medical Journal” This observational study found that 37% of male patients with androgenetic alopecia had a history of preceding COVID-19 infection, suggesting a potential link between the two.
2 citations
,
November 1998 in “Journal of The European Academy of Dermatology and Venereology” This article reports on a partial regrowth of scalp hair in a patient treated with extracorporeal photochemotherapy and interferon α 2a, but provides no new clinical outcomes.
35 citations
,
January 2000 in “Dermatology” In this study, Norwegian men aged 20-50 who perceived themselves as having more hair loss reported greater dissatisfaction and concern about aging compared to those without hair loss.
48 citations
,
May 2015 in “PLOS ONE” This study found that a genetic test using 5 to 20 SNPs can predict male pattern baldness with variable accuracy in European men, especially those aged 50 and older.
In this study conducted at Saveetha Dental College, researchers found that the severity of male androgenetic alopecia, as graded by Norwood's classification, increased with age, although other factors such as genetic or hormonal influences were not assessed.
January 2020 in “International journal of scientific research” Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
July 2016 in “Journal of Cutaneous Medicine and Surgery” This study found that a quantitative system detected subtle asymmetries in frontotemporal hairline regression among male androgenetic alopecia patients, which were not captured by the traditional Norwood classification.
50 citations
,
November 2010 in “Plastic and Reconstructive Surgery” This study suggests that Botox injections may increase hair count and reduce hair loss in men with androgenetic alopecia, potentially through increased blood flow and oxygen to the scalp.
30 citations
,
January 2008 in “The Aging Male” This study found no difference in male pattern baldness between patients with benign prostate hyperplasia and prostate cancer, and no correlation with serum androgen levels.
26 citations
,
September 2002 in “Dermatologic Surgery” This study reports that the prevalence of male pattern baldness in Asians is higher than previously believed, with potential links to socioeconomic factors and westernized diets, though the exact cause remains unclear.
1 citations
,
April 2020 in “Magnetic Resonance in Medical Sciences” This study aimed to determine if MRI can assess anatomical changes in the scalp caused by androgenetic alopecia, but it reports no new clinical results.
3 citations
,
December 2008 in “The American Journal of Cosmetic Surgery” This article discusses the historical search for the cause of hair loss and its treatments, highlighting the popularity of hair restoration surgery for addressing androgenic alopecia, but reports no new clinical results.
October 2020 in “Journal of Pakistan Association of Dermatology” This study found that platelet-rich plasma therapy was more effective in increasing hair count than topical 5% minoxidil lotion in men with androgenetic alopecia.
May 2023 in “Bali Medical Journal” This study found a very strong positive correlation between sebum levels and the severity of androgenetic alopecia in men.
19 citations
,
December 2008 in “Medical Journal of Australia” This study found no significant association between the degree of male-pattern baldness and serum 25-hydroxyvitamin D levels in healthy middle-aged and older men.
5 citations
,
July 2000 in “Southern Medical Journal” This review discusses available treatments for androgenetic alopecia in men, like finasteride and 5% minoxidil, and notes that hair growth results are unpredictable and often driven by industry-sponsored studies.
2 citations
,
August 2020 in “Journal of The American Academy of Dermatology” This letter discusses existing research and encourages further studies on the relationship between androgenetic alopecia and COVID-19 severity, reporting no new clinical results.
3 citations
,
December 2016 in “Canadian Urological Association journal” This study suggests that male pattern baldness—especially moderate to severe—is an independent risk factor for prostate cancer and high-grade disease in men undergoing prostate biopsy.
57 citations
,
August 2003 in “British Journal of Dermatology” This study found that daily use of 1% pyrithione zinc shampoo modestly improved hair growth over 26 weeks, although these effects were less than those of 5% minoxidil.
73 citations
,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” This article reviews various diagnostic tools for hair disorders, describing methods ranging from invasive to noninvasive, but reports no new research findings or clinical results.
32 citations
,
July 2020 in “Journal of The American Academy of Dermatology” This study noted that among hospitalized COVID-19 patients, androgenetic alopecia was prevalent, and severe cases were associated with adverse outcomes such as respiratory failure, highlighting a possible link with androgen sensitivity.
29 citations
,
July 2020 in “Journal of The American Academy of Dermatology” In this study, researchers found that severe androgenic alopecia in hospitalized men was associated with a higher likelihood of testing positive for COVID-19.
1 citations
,
December 2018 in “Journal of Cosmetic Dermatology” In this study, androgenetic alopecia patients with thin hair were found to have a higher likelihood of experiencing prostatic enlargement and related urinary symptoms compared to those with thicker hair.
January 2024 in “International Ayurvedic medical journal” This study explores how Ayurveda concepts, specifically Prakruti, relate to male pattern baldness, suggesting that individual constitutional types may predict susceptibility to earlier hair loss when influenced by modern lifestyle factors.
August 2019 in “Journal of The American Academy of Dermatology” No link found between hair loss severity and PSA levels in men.