August 2023 in “Journal of the American Academy of Dermatology” A scalp biopsy is essential for accurately diagnosing alopecia, with a 4-mm punch biopsy sectioned horizontally being the recommended technique according to this study.
Ultrasound alone isn't enough to diagnose PCOS.
May 2008 in “10th European Congress of Endocrinology” Flutamide alone is as effective as the combination with finasteride for treating hirsutism.
20 citations
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March 1985 in “Journal of The American Academy of Dermatology” Genetic factors alone might not cause pemphigus vulgaris; other factors like birth complications and puberty may trigger it.
March 2026 in “Journal of Pain” Preoperative stress markers alone don't predict chronic post-surgical pain.
January 2025 in “Journal of the American Academy of Dermatology” Low-dose oral minoxidil alone is effective for treating hair loss, but combining it with dutasteride or finasteride may offer better results.
37 citations
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November 2011 in “Photodermatology Photoimmunology & Photomedicine” This study found that narrowband UVB phototherapy alone is not very effective for severe alopecia areata, with improved responses noted primarily in patients also receiving corticosteroid injections.
21 citations
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July 2014 in “Antimicrobial Agents and Chemotherapy” This study found that finasteride alone is highly effective in preventing Candida albicans urinary biofilms and shows synergistic activity with fluconazole in vitro, suggesting potential for further clinical investigation.
18 citations
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January 2009 in “Journal of Endocrinological Investigation” This study concluded that flutamide alone is more effective than finasteride for reducing hirsutism in women, and the combination of both drugs is not superior to flutamide alone.
14 citations
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January 1980 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” This study found that both cyproterone acetate alone and combined with ethinyl oestradiol reduced androgen levels and slightly increased SHBG binding in women with hirsutism, but showed no difference in hair regrowth rate between the treatments.
12 citations
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December 2002 in “Fertility and Sterility” In this study, a combination of spironolactone and finasteride was found to significantly improve hirsutism scores without increasing side effects compared to spironolactone alone.
5 citations
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August 2019 in “Journal of The American Academy of Dermatology” This paper reviews the use of microneedling alone and in combination with platelet-rich plasma for various skin conditions, but it reports no new clinical findings.
4 citations
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July 2020 in “Journal of Dermatological Treatment” This study found that intralesional minoxidil alone has limited efficacy for non-severe patchy alopecia areata, though it may accelerate hair regrowth compared to spontaneous recovery.
3 citations
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January 2018 in “Reproduction, Fertility and Development” This study concluded that cyproterone acetate alone produced antiandrogenic effects on the female gerbil prostate, while ethinyloestradiol alone stimulated estrogenic activity, and their combination led to prostatic lesions.
2 citations
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May 2019 in “운동과학” This study found that while finasteride alone disturbed protein homeostasis in rat skeletal muscle, resistance exercise appeared to mitigate these effects.
March 2026 in “Journal of Multidisciplinary Applied Natural Science” This study reported that Cosmos caudatus extract alone may therapeutically modulate the AR–FGF-2 axis in a BPH rat model, comparable to finasteride, but combining them disrupted pathway regulation, increasing TGF-β levels.
December 2025 in “Annals of the College of Medicine Mosul/Annals of the College of Medecine” The study found that metformin alone most effectively reduced insulin resistance in Iraqi women with PCOS, but combining metformin with finasteride produced greater improvements in insulin sensitivity markers.
June 2023 in “Journal of cosmetic dermatology” This study concluded that both DPCP alone and combined with PRP are effective and safe for treating severe alopecia areata, with no significant difference between the two treatment methods.
April 2011 in “Global journal of health science” This study found that spironolactone alone or with oral contraceptive pills significantly reduced hair shaft diameter in women with hirsutism, with the greatest reduction observed for the combination treatment.
October 2021 in “QJM: An International Journal of Medicine” This study found that N-acetyl-cysteine alone or combined with minoxidil improved hair parameters in men with early-onset androgenetic alopecia, with tolerable side effects.
63 citations
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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
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April 2000 in “Fertility and Sterility” This study found that a combination therapy of Diane 35 with finasteride was more effective at reducing hirsutism scores in women with idiopathic hirsutism or polycystic ovary syndrome after 3 months compared to Diane 35 alone.
47 citations
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March 2004 in “European journal of endocrinology” This study found that the combination of spironolactone and finasteride significantly improved hirsutism scores more than spironolactone alone in women, with similar side-effect profiles between treatments.
41 citations
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June 1999 in “The Prostate” In this study, finasteride alone or combined with terazosin significantly reduced PSA levels in men with BPH, while terazosin alone did not affect PSA levels.
24 citations
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February 2007 in “Hormone and metabolic research” This study suggests that inhibiting 5α-reductase activity alone, particularly with the type 1 inhibitor MK386, may not effectively reduce sebocyte activity or improve acne.
20 citations
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August 1997 in “PubMed” This study indicates that activating K+ channels in dermal papilla cells alone may not promote hair growth, despite some openers being effective on certain channels.
14 citations
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January 2014 in “International Journal of Dermatology” Minoxidil with Korean red ginseng improves hair density and thickness more than minoxidil alone.
10 citations
,
September 2015 in “Gynecological Endocrinology” In this study, spironolactone and spironolactone plus metformin both significantly reduced hirsutism scores in women with PCOS, but the combination therapy was not more effective than spironolactone alone regarding BMI, hormone levels, or insulin resistance.
9 citations
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November 2022 in “Journal of Cosmetic Dermatology” Among patients treated at Thomas Jefferson University, this study found that adding cryotherapy to intralesional triamcinolone acetonide (IL TAC) was more effective at reducing keloid size compared to IL TAC alone, although both treatments similarly eased pruritus and pain.
8 citations
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June 2021 in “Frontiers in Medicine” This study reported that the combination of a 308-nm excimer lamp and 10% liquor carbonis detergens significantly improved scalp psoriasis symptoms compared to the excimer lamp alone, with more patients achieving 75% reduction in their Psoriasis Scalp Severity Index.