Physiology and Medical Treatments for Alopecia
May 2020
in “Facial Plastic Surgery Clinics of North America”

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research Systematic review of low-level laser therapy for adult androgenic alopecia
Low-level laser therapy can stimulate hair growth more effectively than fake devices, but patient satisfaction is similar for both. Results should be taken with caution due to small study sizes and differences between studies. More research is needed.
research Understanding and Addressing Hair Disorders in Transgender Individuals

research Evidence-based (S3) guideline for the treatment of androgenetic alopecia in women and in men – short version
Use minoxidil for hair loss treatment; assess results after 6 months.
research Platelet-Rich Plasma for the Aesthetic Surgeon

research The effectiveness of treatments for androgenetic alopecia: A systematic review and meta-analysis
Minoxidil, finasteride, and low-level laser light therapy effectively treat hair loss.

research Genetics and other factors in the aetiology of female pattern hair loss
Female pattern hair loss has unclear causes, possibly involving genetics, hormones, and environment, and needs better treatments.

research Androgenetic alopecia: a review
Male pattern baldness involves genetics, hormones, and needs better treatments.

research Oxidative Stress–Associated Senescence in Dermal Papilla Cells of Men with Androgenetic Alopecia
Oxidative stress affects hair loss in men with androgenetic alopecia.

research Study of platelet-rich plasma injections in the treatment of androgenetic alopecia through an one-year period
PRP injections increase hair density and satisfaction in androgenetic alopecia patients.

research Platelet-Rich Plasma for Androgenetic Alopecia
PRP injections improve hair thickness for baldness.

research Investigation of six novel susceptibility loci for male androgenetic alopecia in women with female pattern hair loss
Six new hair loss factors in men not linked to female hair loss.

research No genetic support for a contribution of prostaglandins to the aetiology of androgenetic alopecia
No genetic link between prostaglandins and hair loss found.

research Pattern Hair Loss in Men
Male pattern hair loss caused by follicular miniaturization; early diagnosis and treatment can reduce psychological burden.

research Six Novel Susceptibility Loci for Early-Onset Androgenetic Alopecia and Their Unexpected Association with Common Diseases
Six new genetic regions linked to early hair loss also connect to Parkinson's disease and prostate cancer, possibly leading to new treatments.

research Hair follicle stem cell differentiation is inhibited through cross‐talk between Wnt/β‐catenin and androgen signalling in dermal papilla cells from patients with androgenetic alopecia
Androgens block hair growth by disrupting cell signals; targeting GSK-3 may help treat hair loss.

research A randomized double-blind placebo-controlled pilot study to assess the efficacy of a 24-week topical treatment by latanoprost 0.1% on hair growth and pigmentation in healthy volunteers with androgenetic alopecia
Latanoprost 0.1% may effectively treat hair loss.

research Prostaglandin D 2 Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia
PGD2 stops hair growth and is higher in bald men with AGA.

research Evidence of increased DNA methylation of the androgen receptor gene in occipital hair follicles from men with androgenetic alopecia
Men with hair loss have more DNA changes in back-of-head hair follicles, possibly protecting them from thinning.

research 5 mg/day finasteride treatment for normoandrogenic Asian women with female pattern hair loss
Finasteride improves hair density and thickness in women with hair loss.

research Molecular basis of androgenetic alopecia: From androgen to paracrine mediators through dermal papilla
Male pattern baldness involves hormones and cell signals affecting hair growth.

research Female pattern hair loss in complete androgen insensitivity syndrome
Hair loss in women may have causes other than hormones.
research Male-pattern baldness susceptibility locus at 20p11

research Medical treatments for male and female pattern hair loss
Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

research Genome-wide Scan and Fine-Mapping Linkage Study of Androgenetic Alopecia Reveals a Locus on Chromosome 3q26
Hair loss gene found on chromosome 3q26.

research Dutasteride improves male pattern hair loss in a randomized study in identical twins
Dutasteride helps slow hair loss and boosts hair growth.

research Baldness and the androgen receptor: the AR polyglycine repeat polymorphism does not confer susceptibility to androgenetic alopecia
AR polyglycine repeat doesn't cause baldness.

research The importance of dual 5α-reductase inhibition in the treatment of male pattern hair loss: Results of a randomized placebo-controlled study of dutasteride versus finasteride
Dutasteride more effective for hair growth, but has more side effects than finasteride.

research Finasteride Treatment of Female Pattern Hair Loss
Finasteride with oral contraceptive helps improve hair loss in premenopausal women.

research Treatment of female pattern hair loss with oral antiandrogens
Oral antiandrogens effectively treat female hair loss, with better results in higher hair loss grades.

research Androgenetic alopecia in men aged 40-69 years: prevalence and risk factors
Hair loss increases with age; alcohol raises risk, more female partners lowers it.

research Androgenetic alopecia: pathogenesis and potential for therapy
Hair loss needs more research for better treatments.

research A randomized clinical trial of 5% topical minoxidil versus 2% topical minoxidil and placebo in the treatment of androgenetic alopecia in men
5% minoxidil works better for hair growth and density, with minor irritation.

research Comparative Efficacy of Various Treatment Regimens for Androgenetic Alopecia in Men
Best hair growth results from combining finasteride and minoxidil.

research Effects of minoxidil 2% vs. cyproterone acetate treatment on female androgenetic alopecia: a controlled, 12-month randomized trial
Minoxidil works better for female hair loss, but cyproterone reduces scalp oiliness and causes menstrual issues.

research A Randomized, Double-Blind, Placebo-Controlled Trial to Determine the Effectiveness of Botanically Derived Inhibitors of 5-α-Reductase in the Treatment of Androgenetic Alopecia
Natural 5AR inhibitors effectively improve mild to moderate hair loss in men.

research Minoxidil-Induced Hair Growth is Mediated by Adenosine in Cultured Dermal Papilla Cells: Possible Involvement of Sulfonylurea Receptor 2B as a Target of Minoxidil
Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.

research The prevalence and types of androgenetic alopecia in Korean men and women
AGA more common in men, Koreans have lower rates and unique patterns.

research Measuring Reversal of Hair Miniaturization in Androgenetic Alopecia by Follicular Counts in Horizontal Sections of Serial Scalp Biopsies: Results of Finasteride 1mg Treatment of Men and Postmenopausal Women
Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.

research Different Levels of 5α-Reductase Type I and II, Aromatase, and Androgen Receptor in Hair Follicles of Women and Men with Androgenetic Alopecia
People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.

research Finasteride
Finasteride treats enlarged prostate and may help with baldness, but effects on sexual function and male fetuses are unclear.

research Psychological effects of androgenetic alopecia on women: Comparisons with balding men and with female control subjects
Hair loss affects women's mental health more than men's, causing anxiety, low self-esteem, and social insecurity.

research The psychological effects of androgenetic alopecia in men
Hair loss can cause low self-esteem, anxiety, and depression in men.

research Use of topical minoxidil as a possible adjunct to hair transplant surgery
Minoxidil may help hair growth after transplant surgery.

research Classification of the types of androgenetic alopecia (common baldness) occurring in the female sex
Common baldness, also known as Androgenetic Alopecia, is caused by a combination of genetic factors and hormones called androgens.
Related
research Pediatric androgenetic alopecia: an updated review
research Pharmacological therapeutics in androgenetic alopecia

research A randomized, double-blind controlled study of the efficacy and safety of topical solution of 0.25% finasteride admixed with 3% minoxidil vs. 3% minoxidil solution in the treatment of male androgenetic alopecia
Finasteride and minoxidil mix works better for hair growth than minoxidil alone, with similar safety.

research Types of Hair Loss and Treatment Options, Including the Novel Low-Level Light Therapy and Its Proposed Mechanism
Hair loss treatments include medications and new methods like low-level light therapy, which may work by boosting cell activity and blood flow.

research Surgical hair restoration
Surgical hair restoration involves moving hair from a non-balding area to a balding area, with the transplanted hair not subject to male pattern baldness. Medications can slow hair loss and regrow some hair, but successful treatment needs careful planning, skill, and ethical responsibility due to progressive hair loss and limited donor hair.
research Finasteride in the treatment of Japanese men with male pattern hair loss.
Finasteride, especially in a 1mg dose, effectively slows hair loss and improves hair growth in Japanese men with male pattern hair loss.
research Current management of androgenetic alopecia in men.
Minoxidil and finasteride are promising drugs that can prevent hair loss and promote new growth in people with common hair loss condition.

research The effect of finasteride, a 5 alpha-reductase inhibitor, on scalp skin testosterone and dihydrotestosterone concentrations in patients with male pattern baldness.
Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.

research Effect of finasteride, a 5 alpha-reductase inhibitor, on serum gonadotropins in normal men.
Finasteride doesn't affect hormone levels in normal men.