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Ann Dermatol Venereol 2002 May;129(5 Pt 2):831-6
Alopecia areata: update on therapy
The management of patients with alopecia areata is obviously not restricted to the prescription of a treatment inducing hair growth. It requires thorough exploration (history of hair loss, treatments and concomitant pathologies), detailed clinical examination of the integument and palpation of the thyroid. The patient must, systematically, be given a simple explanation of his/her pathology, thus avoiding any feelings of mystery, hopelessness and guilt and hence paradoxically turning alopecia into "just another disease", even if flares are unpredictable and cannot always be treated. Innovations over the past few years have not met dermatologist's expectations: in particular immunosuppressors administered locally have not shown efficacy in human, as opposed to animal models of alopecia areata. Moreover, we must remain critical and rigorous with regard to "false" innovations: several recent publications are, methodologically, open to criticism. Older products provide clear descriptions of their indications and use, and relatively standardize the therapeutic approach to alopecia. Some of them lead to hair growth on the treated area: localized immuno-therapy that in certain cases induces hair growth where other treatments have failed. PUVA-therapy, however, because of frequent relapses on withdrawal and the characteristic recurrence of alopecia, rapidly leads to the use of high cumulative doses; balneo-PUVA therapy is effective with lower doses (PUVA-turban). Recently, UVB TL01 has shown efficacy in anecdotal studies. Local corticosteroids; notably injectable and anthralin, an old treatment which remains a useful therapeutic approach in alopecia areata plaques and in the ophiasic forms in children and adults. Finally, among the available treatment arms, systemic corticosteroids still have a place in recent extended forms: although still under experimentation, the bolus appears efficient during the primary episodes of alopecia areata, when administered within the first three months
Clin Exp Dermatol 2002 Jul;27(5):358-65
Assessment of hair loss: clinical relevance of hair growth evaluation methods.
This review on hair growth measurement methods focuses on human scalp hair in the context of clinically relevant assessment of hair loss. This phenomenon is the end result of a complex combination of events closely associated with hair cycling followed by defective hair replacement. The methodological spectrum ranges from the most to the least invasive approach. All of the measurement methods referred to are critically reviewed, with their stronger and weaker aspects, in view of their potential application in the skin and hair clinic. The existence of recently developed highly resolutive noninvasive analytical methods capable of exploring almost every aspect of the dynamics of this growth and loss phenomenon allowed calibration of more global scoring method. From this review, the author concludes that a combination of a highly resolutive analytical approach with a global calibrated method seems advisable in the context of the monitoring of hair growth changes for better or worse, i.e. scalp hair growth or hair loss in the hair clinic.
J Invest Dermatol 2002 Jul;119(1):32-7
Defolliculated (dfl): a dominant mouse mutation leading to poor sebaceous gland differentiation and total elimination of pelage follicles.
Defolliculated is a novel spontaneous mouse mutation that maps to chromosome 11 close to the type I keratin locus. Histology shows abnormal differentiation of the sebaceous gland, with the sebocytes producing little or no sebum and undergoing abnormal cornification. The hair follicles fail to regress during catagen leading to abnormally long follicles. In contrast the hair shafts are shorter than normal, suggesting altered differentiation or proliferation of matrix cells during anagen. The shafts emerge from the follicle with cornified material still attached. The dermis contains increased numbers of immune cells, including T cells (CD4-positive), macrophages, and mast cells, at all time points examined. Complete elimination of all pelage and tail follicles occurs after two to three hair cycles, apparently by necrosis. Defolliculated may be a useful model for determining further functions of the sebaceous gland, and for understanding the regulation of catagen and hair follicle immunology.
Br J Dermatol 2002 Jun;146(6):992-9
Effects of minoxidil 2% vs. cyproterone acetate treatment on female androgenetic alopecia: a controlled, 12-month randomized trial.
BACKGROUND: Hormone studies have demonstrated the androgen-dependent character of female androgenetic alopecia, but there have been few controlled studies of therapies for alopecia in women. OBJECTIVES: To compare topical minoxidil 2% and cyproterone acetate in the treatment of female alopecia. METHODS: Sixty-six women with female-pattern alopecia were randomly assigned for 12 cycles into two groups, 33 received two local applications (2 mL day-1) of topical minoxidil 2% plus combined oral contraceptive and 33 received cyproterone acetate 52 mg day-1 plus ethinyl oestradiol 35 microg for 20 of every 28 days. RESULTS: A mean reduction of 2.4 +/- 6.2 per 0.36 cm2 in hairs of diameter > 40 microm was observed in the cyproterone acetate group (P = 0.05) and a mean increase of 6.5 +/- 9 per 0.36 cm2 in the minoxidil group (P < 0.001). Comparison of the total number of hairs at 12 months and the body mass index (BMI) revealed a borderline positive correlation in the cyproterone acetate group (r = 0.39, P = 0.06) and a negative correlation in the minoxidil group (r = -0.42, P < 0.05). No significant difference was observed in the total number of hairs among cyproterone acetate patients according to the presence or absence of other symptoms of hyperandrogenism, whereas in the minoxidil group, the total number of new hairs was higher in patients with isolated alopecia (Delta = 8.1; P < 0.05). Variations in scalp seborrhoea were significant in both groups, but the result was better (for acne and hirsutism as well) in the cyproterone acetate group than in the minoxidil group (P < 0.001). CONCLUSIONS: Minoxidil treatment was more effective in the absence of other signs of hyperandrogenism, hyperseborrhoea, and menstrual cycle modifications when the BMI was low, and when nothing argued in favour of biochemical hyperandrogenism. Cyproterone acetate treatment was more effective when other signs were present and when the BMI was elevated, factors that favoured a diagnosis of biochemical hyperandrogenism.
Being such a complex biological process, hair growth biology is still a work in progress. Noetheless, several therapeutic methods, including drugs, surgery, and suppelements have been in use to help those who attempt to restore their hair. None of these approaches are perfect due to the diversity in the causes underlying hair loss. Also, most of chemical drugs and hair transplantation surgeries are accompanied by undesirable side effects.
DreamPharm offers Hair Million to address hair loss problems. Numerous anecdotal cases have demonstrated that this herbal formula based on authentic Chinese herbs actually improves the age-related hair thinning and hair loss among a significant fraction of people who take it regularly. We still do not understand the mechanisms of action as to how Hair Million works to stop hair loss and promote hair growth, despite all the positive anecdotal observations. Neither scientific research nor placebo controlled clinical analysis has been conducted because it will cost dearly. Lack of scientific/clinical research is quite common in herbal arena. Just because science hasn't scrutinized we should not stop taking daily food and herbal supplements altogether: our life must go on until we have better understandings of food and herb. There are two merits in this hair restoration herbal formula: Firstly, Hair Million is relatively inexpensive, and secondly, it is made of edible herbs that are known to be safe when consumed in regular quantities.
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