22 citations
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June 2002 in “Journal of Medicinal Chemistry” Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
36 citations
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November 2020 in “Journal of The European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may reduce COVID-19 symptoms in bald males.
September 2025 in “Journal of the American Academy of Dermatology” Using 5α-reductase inhibitors for hair loss in women doesn't increase cancer risk.
Finasteride reduces prostate cancer risk but may increase high-grade tumors; new drugs and better diagnosis are in development, but funding and industry commitment are challenges.
2-Hydroxy-1,4-naphthoquinone is a strong 5α-reductase inhibitor.
9 citations
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August 2019 in “Clinical genitourinary cancer” Taking 5-Alpha Reductase Inhibitors before bladder removal surgery might make high-grade bladder tumors less aggressive.
October 2023 in “The Open Dermatology Journal” Baricitinib is effective for severe alopecia areata with manageable side effects, mainly upper respiratory infections.
6 citations
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June 2009 in “Journal of Clinical Oncology” 5-α-reductase inhibitors don't prevent prostate cancer but may reduce unnecessary biopsies.
October 2010 in “Journal of Men's Health” Some patients may experience lasting sexual dysfunction, depression, and other side effects from 5α-reductase inhibitor therapy.
23 citations
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October 2008 in “Journal of medicinal chemistry” PF-998425 is a new, effective, and non-phototoxic treatment for skin conditions related to androgens.
71 citations
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November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
4 citations
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September 2010 in “Medical Hypotheses” 8 citations
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July 2024 in “Journal of Advanced Research” CDK inhibitors may help treat ARDS and psoriasis but need more testing for safety and effectiveness.
December 2025 in “The Journal of Dermatology” Ritlecitinib effectively reduces hair loss in JAK inhibitor-naïve alopecia areata patients.
December 2022 in “JAMA network open” 5α-Reductase inhibitors may increase depression risk but not dementia or suicide.
January 2026 in “Nature Reviews Urology” June 2026 in “The Journal of Steroid Biochemistry and Molecular Biology” 47 citations
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January 2003 in “Current opinion in urology” A new drug, dutasteride, is at least as effective as the older drug, finasteride, for treating enlarged prostate and may have additional uses.
February 2024 in “Cancers” New treatments targeting androgen receptors show promise for drug-resistant prostate cancer.
13 citations
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August 2007 in “Bioorganic & medicinal chemistry letters” A new compound effectively inhibits human 5α-reductase 1.
March 2026 in “The Journal of Dermatology” Ritlecitinib is cost-effective for severe alopecia areata in Japan.
January 2024 in “Pharmaceutical journal/The pharmaceutical journal” Ritlecitinib can help about 14,000 people with severe hair loss.
June 2026 in “British Journal of Dermatology” JAK inhibitors can cause severe acne, limiting their use for hair regrowth.
June 2026 in “Journal of health economics and outcomes research” Ritlecitinib is more effective and cost-efficient than baricitinib for severe alopecia areata.
June 2026 in “Frontiers in Medicine” 5α-reductase inhibitors for hair loss can cause mild, reversible sexual side effects in some men.
September 2024 in “Annals of Medicine and Surgery” Ritlecitinib is the first FDA-approved pill for treating significant hair loss in alopecia areata patients aged 12 and up.
12 citations
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June 2001 in “Bioorganic & Medicinal Chemistry” Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
45 citations
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July 2025 in “Journal of Medicinal Chemistry” Vepdegestrant may become the first FDA-approved PROTAC degrader, marking a new era in drug development.
1 citations
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July 2026 in “Dermatology and Therapy” JAK inhibitors are generally safe for alopecia areata and atopic dermatitis, with mostly mild side effects.