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  1. DHT áëîêàòîðû è àíäðîãåíåòè÷åñêàÿ àëîïåöèÿ
    îò Hard â ðàçäåëå Çäîðîâüå êîæè, äåðìàòîëîã
    Îòâåòîâ: 34
    : 01.09.2004, 19:30
  2. Îòâåòîâ: 1
    : 30.08.2004, 16:56
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    : 12.08.2004, 14:53
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    : 31.07.2004, 19:49
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    : 13.07.2004, 04:13
  1. Dr. Vad
    #16
    ×èòàòåëü Íåäóã.Ðó
    Óâàæàåìûé Hard!

    Íàòêíóëñÿ ñëó÷àéíî íà Âàø íåìîëîäîé âîïðîñ. Ïî íåìó:



    Am Fam Physician. 2003 Mar 1;67(5):1007-14.

    Alopecia in women.

    Thiedke CC.

    Department of Family Medicine, Medical University of South Carolina, Charleston, South Carolina 29425, USA.

    ... Topically administered minoxidil is labeled for the treatment of androgenetic alopecia in women...



    Îòðûâîê èç íåì. èíñòðóêöèè:

    Alopexy® PIERRE FABRE



    Lösung für topische Anwendung:

    Behandlung des erblich-hormonell bedingten Haarausfalls (Alopecia androgenetica)

    1 ml Lösung enthält:

    Wirkstoff: Minoxidilum 20 mg.

    Hilfsstoffe: Ethanolum, Propylenglycolum, gereinigtes Wasser.



    Òî æå ñàìîå è äëÿ Regaine® 2%/5% PHARMACIA è íåêîòîðûõ äðóãèõ ìåíåå èçâåñòíûõ ôèðì.



    È êòî æå ýòè Kirkland ïîñëå âñåãî ýòîãî? Âî-âî, ïðàâèëüíî...

    Kirkland: The Firm has handled pharmaceutical and biotechnology development and marketing alliances for several major pharmaceutical companies.

    Âîò òàêîé âîò "èçÃÎòîÂèòåëü"-íî...

  2. Hard
    #17
    ×èòàòåëü Íåäóã.Ðó
    Çðÿ Âû òàê, óâàæàåìûé Dr. Vad.



    Âî-ïåðâûõ, Alopecia androgenetica ó ìóæ÷èí è Àndrogenetic alopecia ó æåíùèí - ýòî ðàçíûå ïîíÿòèÿ.

     àìåðèêàíñêîé ïðåññå è íà òåëåâèäåíèè ðåêëàìà íà ýòó òåìó - îäíà èç ñàìûõ íàâÿç÷èâûõ è êðóòèòñÿ ïîñòîÿííî (îáû÷íî - ýòî ðåêëàìà êëèíèê, çàíèìàþùèõñÿ àëîïåöèåé). Òàê âîò, êàæäûé ðàç, ãîâîðÿ îá Alopecia androgenetica, îáÿçàòåëüíî äîáàâëÿþò, ÷òî â ýòîì ñëó÷àå âìåñòå ñ Rogaine (èìåííî àïäæîíîâñêèì) îíè ïðèìåíÿþò è Propecia (ôèíàñòåðèä) (ò.å., äåéñòâèòåëüíî ïðåïàðàò, ëîãè÷åñêè ðàññ÷èòàííûé äëÿ ýòîé ôîðìû; êñòàòè, çàïðåùåííûé ê ïðèåìó æåíùèíàì).

    Íåñìîòðÿ íà òî, ÷òî ñòàòüè îá èñïûòàíèÿõ ìèíîêñèäèëà êàê ìîíîïðåïàðàòà ïðè Alopecia androgenetica ó ìóæ÷èí äåéñòâèòåëüíî ïóáëèêîâàëèñü (ñ ïîëîæèòåëüíûìè ðåçóëüòàòàìè, ïðàâäà, âåñüìà óñëîâíûìè, íà ìîé âçãëÿä), â ïîêàçàíèÿ ê ïðèìåíåíèþ îíà íå âêëþ÷åíà. Êñòàòè, íå áûëî â ýòèõ ñòàòüÿõ è óïîìèíàíèé î íåêèõ ôàíòàñòè÷åñêèõ ìåõàíèçìàõ äåéñòâèÿ ìèíîêñèäèëà, êàê òî "áëîêàäå äåéñòâèÿ òåñòîñòåðîíà íà âîëîñÿíîé ôîëëèêóë" è "èçìåíåíèÿ ñîîòíîøåíèÿ ôàç îò ðåãðåññèè îáðàòíî ê ðîñòó", êîòîðûå ëåãêî ìîæíî ïîâñòðå÷àòü â ðóññêîÿçû÷íîé ëèòåðàòóðå.

    Ïîëàãàþ, ÷òî ïîÿâëåíèå àíàëîãè÷íîé ðåêëàìû â íåìåöêîé ëèòåðàòóðå îáúÿñíÿåòñÿ òàêæå íåñêîëüêî ñíèñõîäèòåëüíûì îòíîøåíèåì òàìîøíèõ îðãàíèçàöèé ê äîñòîâåðíîñòè íàáëþäåíèé. Àíàëîãè÷íî òîìó, êàê â ýòîé ñòðàíå ïðîöâåòàþò è ðàçëè÷íûå íåôîðìàëüíûå ìåäèöèíñêèå íàïðàâëåíèÿ.

    PS. Íåñìîòðÿ íà òî, ÷òî Ôàðìàöèÿ òåïåðü îäíà êîìïàíèÿ ñ Àïäæîíîì, Regaine - ýòî òàêîé æå äæåíåðèê, êàê è Minoxydil îò Êèðêëàíä. È íå ôàêò åùå, êòî èç íèõ êà÷åñòâåííåå (êàê íåëüçÿ èñêëþ÷èòü äàæå òî, ÷òî îáà íàëèâàþòñÿ èç îäíîé áî÷êè).

  3. Dr. Vad
    #18
    ×èòàòåëü Íåäóã.Ðó
    óâàæàåìûé Hard!



    Áóäó÷è ñîâñåì íå ñïåöèàëèñòîì â îáë. àëëîïåöèè, ÿ òîëüêî ïðèâåë îòðûâêè èç "Kompendium" Øâåèöàðèè, àíàëîãè÷íîé "Rote Liste" Ãåðìàíèè èëè ïðèìåðíî "Âèäàëü" â Ðîññèè, ãäå èçëàãàþòñÿ èíñòðóêöèè äëÿ âðà÷åé ïî ïîëüçîâàíèþ òåìè èëè èíûìè ïðåïàðàòàìè, ðàçðåøåííûìè è çàðåãèñòðèðîâàííûìè â äàííîé ñòðàíå. Ïîýòîìó ñîìíåâàòüñÿ íå ïðèõîäèòñÿ â òîì, ÷òî òàì íàïèñàíî, è ýòî íå ðåêëàìà; íþàíñû íàçíà÷åíèÿ / êîìáèíàöèè ïðåïàðàòîâ äëÿ ëå÷åíèÿ ÷àñòíûõ ôîðì àëîïåöèé íå îáñóæäàëèñü.

    Ñ äðóãîé ñòîðîíû, êîíòîðà Kirkland âîîáùå íå çíà÷èòñÿ â äàííîì ñïðàâî÷íèêå, à â èíôî, íàéäåííîé ïî ïîâîäó íåå íà àì. ñåðâåðå Yahoo, îíà çàíèìàåòñÿ ôàðìàêîðàçâèòèåì è ìàðêåòèíãîì äëÿ íåêîòîðûõ ôàðìèíäóñòðèé, íàïð. Àááîò, ïîýòîìó ó ìåíÿ è çàêðàëèñü ïîäîçðåíèÿ â åå êîìïåòåíöèè êàê èñòèííîì ïðîèçâîäèòåëå, íî Âàì âèäíåå ïî òó ñòîðîíó îêåàíà.

    Öèòàòà:

    "....Íåñìîòðÿ íà òî, ÷òî ñòàòüè îá èñïûòàíèÿõ ìèíîêñèäèëà êàê ìîíîïðåïàðàòà ïðè Alopecia androgenetica ó ìóæ÷èí äåéñòâèòåëüíî ïóáëèêîâàëèñü (ñ ïîëîæèòåëüíûìè ðåçóëüòàòàìè, ïðàâäà, âåñüìà óñëîâíûìè, íà ìîé âçãëÿä), â ïîêàçàíèÿ ê ïðèìåíåíèþ îíà íå âêëþ÷åíà..."



    Ëè÷íî ìíå äîñòàòî÷íî ïîäòâåðæäåíèÿ FDA (ïðàâäà ê ýòîìó Âû òàì ìîæåò òàêæå ñêåïòè÷åñêè îòíîñèòåñü, äóìàÿ ÷òî ýòî âñå ðåêëàìà):



    Minoxidil Article - FDA approves 5% Rogaine for over-the-counter sales:



    ...Pharmacia & Upjohn presented results from clinical studies to the committees showing that Rogaine Extra Strength for Men will grow up to 46% more hair for men than regular strength Rogaine, with the onset of hair regrowth occurring at eight weeks compared to the current regular strength Rogaine which begins regrowing hair at 16 weeks...



    ...Outside the United States, Rogaine Extra Strength for Men is marketed to both men and women under the brand name Regaine in 14 countries, including two countries as a non-prescription product. The first country to receive approval was New Zealand in 1993. Pharmacia & Upjohn researchers are continuing work with the FDA on the Rogaine Extra Strength product for women, targeting it for over-the-counter clearance in the near future.

    Regular strength Rogaine was approved for men as a prescription product in August of 1988 and for women in August of 1991. Rogaine for Men and Rogaine for Women were cleared for over-the-counter sale in February of 1996. A New Drug Application (NDA) was submitted for Rogaine Extra Strength for Men as a prescription product in December of 1995 and reached approvable status in December of 1996. Pharmacia & Upjohn elected not to pursue final approval as a prescription drug, but instead filed a New Drug Application in February of 1997 seeking over-the-counter clearance...



    È î ïðîèçâîäèòåëÿõ äæåíåðèêîâ èëè èñòèííûõ ðàçðàáîò÷èêàõ:

    Minoxidil is the generic name for products originally developed by UpJohn and called Rogaine in the USA or Regaine in Europe and elsewhere.



    Original article:

    : J Am Acad Dermatol. 2002 Sep;47(3):377-85.



    A randomized clinical trial of 5% topical minoxidil versus 2% topical minoxidil and placebo in the treatment of androgenetic alopecia in men.



    Olsen EA, Dunlap FE, Funicella T, Koperski JA, Swinehart JM, Tschen EH, Trancik RJ.



    Duke Dermatopharmacology Study Center, Durham, North Carolina, USA.



    BACKGROUND: Topical minoxidil solution 2% stimulates new hair growth and helps stop the loss of hair in individuals with androgenetic alopecia (AGA). Results can be variable, and historical experience suggests that higher concentrations of topical minoxidil may enhance efficacy. OBJECTIVE: The purpose of this 48-week, double-blind, placebo-controlled, randomized, multicenter trial was to compare 5% topical minoxidil with 2% topical minoxidil and placebo in the treatment of men with AGA. METHODS: A total of 393 men (18-49 years old) with AGA applied 5% topical minoxidil solution (n = 157), 2% topical minoxidil solution (n = 158), or placebo (vehicle for 5% solution; n = 78) twice daily. Efficacy was evaluated by scalp target area hair counts and patient and investigator assessments of change in scalp coverage and benefit of treatment. RESULTS: After 48 weeks of therapy, 5% topical minoxidil was significantly superior to 2% topical minoxidil and placebo in terms of change from baseline in nonvellus hair count, patient rating of scalp coverage and treatment benefit, and investigator rating of scalp coverage. Hair count data indicate that response to treatment occurred earlier with 5% compared with 2% topical minoxidil. Additionally, data from a patient questionnaire on quality of life, global benefit, hair growth, and hair styling demonstrated that 5% topical minoxidil helped improve patients' psychosocial perceptions of hair loss. An increased occurrence of pruritus and local irritation was observed with 5% topical minoxidil compared with 2% topical minoxidil. CONCLUSION: In men with AGA, 5% topical minoxidil was clearly superior to 2% topical minoxidil and placebo in increasing hair regrowth, and the magnitude of its effect was marked (45% more hair regrowth than 2% topical minoxidil at week 48). Men who used 5% topical minoxidil also had an earlier response to treatment than those who used 2% topical minoxidil. Psychosocial perceptions of hair loss in men with AGA were also improved. Topical minoxidil (5% and 2%) was well tolerated by the men in this trial without evidence of systemic effects.

  4. Dr. Vad
    #19
    ×èòàòåëü Íåäóã.Ðó
    È âäîãîíêó ê öèòàòå:

    ...Propecia (ôèíàñòåðèä) (ò.å., äåéñòâèòåëüíî ïðåïàðàò, ëîãè÷åñêè ðàññ÷èòàííûé äëÿ ýòîé ôîðìû; êñòàòè, çàïðåùåííûé ê ïðèåìó æåíùèíàì)...

    Î÷åâèäíî, íå ñîâñåì âåðíî "çàïðåùåí", à íå ýôôåêòèâåí èëè íå ðàçðåøåí, íî èíîãäà ïîëüçóþò åãî â Åâðîïå, íàâåðíîå, "off-label":



    J Am Acad Dermatol. 2002 Nov;47(5):733-9.

    Hair loss in women with hyperandrogenism: four cases responding to finasteride.



    Shum KW, Cullen DR, Messenger AG.



    Department of Dermatology, Royal Hallamshire Hospital, Sheffield, UK.



    Oral finasteride, a type II 5 alpha-reductase inhibitor, has been shown to increase hair growth and slow progression of thinning in men with androgenetic or male pattern balding (Hamiliton type) but has no affect on hair growth in postmenopausal women with female pattern hair loss (Ludwig type). We describe 4 cases of hair loss with characteristics of both male and female patterns in women with hyperandrogenism in which finasteride has improved or stabilized the alopecia. Improved hair growth was seen after 6 months, 1 year, 2 years, and 2.5 years, respectively. The finding that finasteride treatment improves pattern hair loss in women with hyperandrogenism but does not affect those postmenopausal women with female pattern hair loss without hyperandrogenism supports the concept that not all types of female hair loss have the same pathophysiology.



    : J Dermatol. 2002 Oct;29(10):665-9.

    Depression circumstantially related to the administration of finasteride for androgenetic alopecia.

    Altomare G, Capella GL.



    Department of Dermatology, Ospedale Maggiore IRCCS, University of Milan, Italy.

    In this paper we report 19 patients (14 males, 5 females; mean age 28.16 years +/- 7.68 SD) out of a series of 23 (17 males, 5 females) who developed a mood disturbance (moderate to severe depression) during treatment with finasteride, 1 mg/day orally, for androgenetic alopecia (Hamilton subtypes III-V; Ludwig subtypes I-II). Depression, which significatively impaired sociofamilial relations, sleep and eating behaviour, was associated to marked anxiety in some cases, developed after 9-19 weeks of treatment with finasteride, and promptly resolved after suspension of the drug. Two patients accepted reintroduction of the drug, and depression relapsed within 2 weeks. Depression as an adverse effect of finasteride has been reported only once. Further studies are needed to confirm our circumstantial observations, which are based on a retrospective series of patients.



    Óâàæàåìûé Hard!

    âñïîìíèòå Âàøå íà÷àëî äèñêóññèè è äàëåå, åñëè äåéñòâèòåëüíî ýòà òåìà Âàì òàê èíòåðåñíà, áóäåì äèñêóòèðîâàòü ïðåäìåòíî, ëè÷íî ìíå óãëóáëÿòüñÿ â äàííóþ òåìàòèêó ïî òîíêîñòÿì íàçíà÷åíèÿ èëè âåäåíèÿ íå õîòåëîñü áû.

  5. Hard
    #20
    ×èòàòåëü Íåäóã.Ðó
    Óâàæàåìûé Dr. Vad.

    Èç ïðèâåäåííîé Âàìè ñòàòüè ñòàíîâèòñÿ ïîíÿòíî, ïî÷åìó ïîäîáíûå èñïûòàíèÿ íå áûëè ïðèíÿòû â ðàñ÷åò ïðè ñîñòàâëåíèè ïîêàçàíèé ê ïðèìåíåíèþ ìèíîêñèäèëà.

    1. "trial was to compare 5% topical minoxidil with 2% topical minoxidil and placebo"

    5% ðàñòâîð ñðàâíèâàåòñÿ ñ 2% è ïëàöåáî â îäíîé êó÷å.

    2. "Psychosocial perceptions of hair loss in men with AGA were also improved".

    Ïñèõîëîãè÷åñêàÿ ÷àñòü ïîÿâëÿåòñÿ òîëüêî â çàêëþ÷åíèè.

    Åñëè Âû çíàêîìû ñ ïðîòîêîëàìè èññëåäîâàíèé, òî ïîéìåòå, êàêîâ óðîâåíü äàííîãî.

    Ïîýòîìó ê FDA îíî îòíîøåíèÿ íå èìåëî. Ïðåïàðàò óæå ðàíåå áûë ðàçðåøåí ê ïðèìåíåíèþ, íî íå ïðè AGA.

    ×òî êàñàåòñÿ äæåíåðèêîâ, òî Àïäæîí äåéñòâèòåëüíî ðàçðàáîò÷èê. Ïðàâäà, Rogaine - ýòî òîëüêî ôîðìà ðàñôàñîâêè, à èçíà÷àëüíî áûë èìåííî ìèíîêñèäèë - êàðäèîëîãè÷åñêèé ïðåï-ò.

  6. Hard
    #21
    ×èòàòåëü Íåäóã.Ðó
    Ñîáñòâåííî, äèñêóññèÿ çàêëþ÷àëàñü â âîïðîñå, óêàçàë ëè ðàçðàáîò÷èê îðèãèíàëüíîãî ïðåïàðàòà ïîêàçàíèå: ãîðìîíàëüíî-çàâèñèìàÿ ôîðìà àëîïåöèè. ß ñ÷èòàþ, ÷òî íåò. Âû ñ÷èòàåòå, - äà.

    Ïóñòü FDA íàñ ðàññóäèò.

  7. Hard
    #22
    ×èòàòåëü Íåäóã.Ðó
    Êñòàòè, ïî ïîâîäó ôèíàñòåðèäà. Òîæå åñòü ðàçëè÷íûå ðåêîìåíäàöèè. Îäíàêî, ïîñìîòðèòå âîò ýòó:

    Finasteride (Oral) (http://www.genesishealth.com/micromedex/quickdrug/dnx0327.aspx)

    Æåíùèíàì è äåòÿì ïðèíèìàòü íå ñëåäóåò. À òåì, êòî ìîæåò çàáåðåìåíåòü (ò.å., áîëüøèíñòâó), òàê äàæå è íå äîòðàãèâàòüñÿ. !!!

  8. Dr. Vad
    #23
    ×èòàòåëü Íåäóã.Ðó
    Óâàæàåìûé Hard!



    Îðèãèíàëüíûé ðàçðàáîò÷èê PharmaciaUpjohn íàïèñàëà â êîìïåíäèóìå òàê:

    Der Wirkstoff von Regaine ist Minoxidil, der bei topischer Anwendung bei Männern und Frauen den übermässigen Haarausfall bei Alopecia androgenetica reduziert und das Wachstum neuer Haare anregt. Der genaue Wirkungsmechanismus ist nicht bekannt.

    Ïðèì. ïåðåâîä: äåèñòâ. â-âîì â ðåãàèíå ÿâë. ìèíîêñèäèë, êîò. ïóòåì ìåñòí. íàíåñåíèÿ ñíèæàåò âûïàäåíèå âîëîñ, îáóñë. Alopecia androgenetica ó ìóæ÷èí è æåíùèí ... òî÷íûé ìåõàíèçì íåèçâåñòåí (èþíü 2001).

    Êèðêëýíä íå ÿâëÿåòñÿ îðèã. ðàçðàáîò÷èêîì, ïîýòîìó, ÷òî îí ïèøåò â èíñòðóêöèè, îñòàåòñÿ íà åãî ñîâåñòè, ïðè ÷åì çäåñü ÔÄÀ?



    Òàì æå ïî ôèíàñòåðèäó: ïðîòèâîïîêàçàí äëÿ ïðèìåíåíèÿ äëÿ æåíùèí è äåòåé.



    Ïîýòîìó, â Åâðîïå îí èñïîëüçóåòñÿ îô-ëýéáë èëè îô-ëàéñåíñ, êîãäà äðóãèå ìåòîäèêè íå ðàáîòàþò.

    Êñòàòè, ïðåïàðàò ïðèìåíÿëñÿ ó æåíùèí â äîçå 1 ìã áåç ýôôåêòà, íî åñòü ìíåíèÿ, ÷òî ïðîñòî äîçà áûëà ìàëîâàòà. ×àùå ôèíàñòåðèä ó æåíùèí ïðèìåíÿåòñÿ â ïîñòìåíîïàóçå, ïîýòîìó êàêàÿ áåðåìåííîñòü?



    Ñàì æå áîëüøå ñòàëêèâàþñü ñ íóòðèòèâíûì âûïàäåíèåì âîëîñ, ïîýòîìó ÷àùå ðåêîìåíäóþ æåëåçî è Ë-ëèçèí.



    Î êëèí. èññëåäîâàíèÿõ: íè Âû íè ÿ íå çíàåì îðèãèíàëà ñòàòüè, òê, íàïð. íå èìåþ äîñòóïà; ñóäèòü ïî àáñòðàêòó ñ íåïîëíûìè äàííûìè çàòðóäíÿþñü, î÷åâèäíî ðàçíèöà ìåæäó 2% è ïëàöåáî áûëà íåçíà÷èòåëüíîé, à íå ñâàëåíà â "îäíó êó÷ó", äà è ðàçðàáîò÷èêàì áûëî âàæíåå ïîêàçàòü áîëüøóþ ýôô. 5%, âåäü 2% óæå äàâíî íà ðûíêå.

    Ïñèõî÷àñòü óæå â ðåçóëüòàòàõ, áóäüòå âíèìàòåëüíåå:

    ...Additionally, data from a patient questionnaire on quality of life, global benefit, hair growth, and hair styling demonstrated that 5% topical minoxidil helped improve patients' psychosocial perceptions of hair loss...

    Ýòîò òðàéë è ëåã â îñíîâó FDA approval, ìîæåò Êèðêëýíä ïðîñòî ïîñòåñíÿëñÿ óêàçûâàòü ýòî â ñâîåé èíñòðóêöèè, êàê íèêàê ïðåïàðàò-òî áûë Ðåãýéí è ñïîíñèðîâàëà åãî Ph&Up, äà è âîîáùå ó íèõ òî 5% ïðåïàðàò-òî åñòü?



    Áûëî ïðèÿòíî ïîîáùàòüñÿ

  9. Dr. Vad
    #24
    ×èòàòåëü Íåäóã.Ðó
    Ïðîñòî ïîìåùó ÷àñòü êîíñåíñóñà, çäåñü ó÷èòûâàëèñü íå òîëüêî ÔÄÀ è ðåêëàìà, äóìàþ, ñìîæåòå ïîëó÷èòü îòâåòû íà ìíîãèå âîïðîñû:



    Dermatol Surg. 2002 Oct;28(10):894-900.



    The potential role of minoxidil in the hair transplantation setting.



    Avram MR, Cole JP, Gandelman M, Haber R, Knudsen R, Leavitt MT, Leonard RT Jr, Puig CJ, Rose PT, Vogel JE, Ziering CL; Roundtable Consensus Meeting of The 9th Annual Meeting of The International Society of Hair Restoration Surgery.



    Department of Dermatology New York Presbyterian Hospital-Weill Cornell Medical College, New York, New York, USA.



    MINOXIDIL

    In 1979 oral minoxidil was approved for the treatment of patients with severe hypertension. 3 Reports of increased body hair growth in many of the patients using this antihypertensive preparation led to clinical development of a topical formulation of the drug. Minoxidil 2% topical solution via prescription was approved by the FDA for the treatment of androgenetic alopecia in men (1988) and women (1992). In 1996, minoxidil 2% solution was approved for over-the-counter use in men and women with androgenetic alopecia. Subsequently, in 1997, minoxidil 5% topical solution was approved for nonprescription use in men with androgenetic alopecia. 3



    Although its exact mechanism of action remains unknown, topical minoxidil may act as a nonspecific biologic response modifier. The vasorelaxant effect of minoxidil sulfate, the active metabolite of minoxidil, results primarily from opening potassium channels. 11,12 However, the mechanism of action of topical minoxidil with respect to the stimulation of hair growth appears to be independent of vasodilation. 3 Minoxidil topical solution acts directly to enlarge miniaturized follicles and the diameters of the hair shafts they produce. Telogen hair follicles are converted to anagen hair follicles, and the anagen phase of hair growth is prolonged, thus slowing the progression of hair loss. 3 Although the growth phase may be prolonged, the follicle will continue to cycle, thus several months' use (up to 1 year) may be necessary before optimum potential hair growth is achieved. An important factor that favors regrowth is the presence of a large number of partially miniaturized follicles that are still producing hair 3/8 inch or more in length.



    Studies of minoxidil topical solution in men and women have demonstrated significant increases in both hair count 13 and hair weight 8,14 compared with a vehicle placebo control, with the minoxidil 5% solution significantly more effective than the 2% solution in male subjects. 13 Recently Rundegren and Trancik 15 evaluated the effects of minoxidil 5% and 2% topical solution on stabilization of hair loss in men and women with androgenetic alopecia. Stabilization was defined as a combination of unchanged hair status and hair regrowth. This retrospective analysis was based on comparative data obtained from four randomized, double-blind, placebo-controlled trials (n = 1054) and from a major postmarketing surveillance study. The stabilization response (ie, the percentage of patients who had unchanged hair growth or regrowth) varied from 87 to 88% in female studies of minoxidil 2% (n = 438) and 75 to 96% in male studies of minoxidil 5% (n = 616) (Table 1). Both concentrations of minoxidil topical solution were significantly superior to placebo. The response rates noted in placebo patients is likely due to the excipient propylene glycol. Data from the postmarketing surveillance study found that 80% (n = 11,000) of patients being treated with minoxidil 2% topical solution reported a diminished rate or stopping of hair loss. 15 Studies focusing on other indications of hair loss, although not approved in the product labeling, have shown that minoxidil stimulates hair regrowth in patients with patchy and extensive alopecia areata and reduces the duration of alopecia caused by chemotherapy. 16,17



    Several studies have examined the use of minoxidil as an adjunct to hair transplantation surgery in men with androgenetic alopecia. 1820 In an uncontrolled study of 12 male patients with androgenetic alopecia, minoxidil 3% topical solution was administered twice a day to the transplant area starting 48-72 hours after hair transplant surgery. 18 Two patients demonstrated hair growth without the usual shedding 2-4 weeks after surgery and two additional patients had regrowth within 4 weeks after postsurgical telogen effluvium. This is far sooner than the typical 3-5 months.



    In another uncontrolled trial of 16 male hair transplant patients with androgenetic alopecia, 19 minoxidil 2% was administered for 4 weeks prior to surgery, interrupted for 3 weeks, then restarted and continued for 3 months after surgery. The study found that in 71% of grafts, partial or total hair was still growing without the usual shedding that occurs 2-4 weeks after surgery.



    The effectiveness of administering minoxidil prior to hair transplant surgery was also reported by Roenigk and Berman. 20 In this double-blind trial, 12 males with androgenetic alopecia were randomized to have either minoxidil 2% topical solution or placebo applied to the donor area for 6 weeks prior to transplantation and to recipient areas for 17 weeks after surgery. After 17 weeks, significantly less grafted hair was lost by minoxidil-treated patients compared with placebo-treated patients (22% versus 52%; P = .001).

  10. Hard
    #25
    ×èòàòåëü Íåäóã.Ðó
    Óâàæàåìûé Dr. Vad.

    Îðèãèíàëüíûé ðàçðàáîò÷èê ìèíîêñèäèëà - Upjohn, ðàçðàáîòàëà åãî åùå äî îáúåäèíåíèÿ ñ ôèðìîé Pharmacia.

    Ïîñêîëüêó, êàê çäåñü ïðàâèëüíî óêàçàíî, òî÷íûé ìåõàíèçì - íåèçâåñòåí, ïðåäïîëîæåíèå îá èçìåíåíèÿõ ôàç - âñåãî ëèøü äàíü êîíúþíêòóðå, êîòîðóþ íüþéîðêñêèé äåðìàòîëîã ïîçâîëèë ñåáå òîëüêî ïîòîìó, ÷òî âûñòóïàë â ñïåöèôè÷åñêîé ñðåäå (Meeting of The International Society of Hair Restoration Surgery). Íèêàêèõ ïîäòâåðæäåíèé ýòîé ãèïîòåçå íåò è â ñåðüåçíîé ëèòåðàòóðå òàêîå óòâåðæäåíèå áû íå ïîÿâèëîñü.

    Çàòî, çäåñü åñòü îòâåò ïî ïîâîäó ðàçíèöû ìåæäó 2% è ïëàöåáî (äà è çà÷åì èíà÷å Ph&Up ïðîäîëæàëà áû ïðîäàâàòü 2% ïðàêòè÷åñêè ïî òîé æå öåíå, ÷òî è 5% ?). Ïîëàãàþ, ïîñëå ýòîãî ãðàìîòíîñòü ïåðâîãî èññëåäîâàíèÿ ñî ñìåøàííûì êîíòðîëåì (2%+ïëàöåáî) ìîæíî óæå íå îáñóæäàòü.

    Êñòàòè, â ïîñëåäíåé ñòàòüå îïÿòü æå íå ðàçäåëåíû êîíêðåòíûå ôîðìû àëîïåöèè. Òàêàÿ ôîðìà ñìåøèâàíèÿ â êó÷ó Alopecia androgenetica ó ìóæ÷èí è androgenetical alopecia (ó ìóæ÷èí è æåíùèí) - ïîêàçàòåëü òîãî, ÷òî ñòðåìëåíèå ðåêëàìèðîâàòü ïðåïàðàò ïðåâûøàåò ñòðåìëåíèå ê åãî èçó÷åíèþ. Ê ñîæàëåíèþ, íåìåöêèì ÿ íå âëàäåþ (ïðèøëîñü ïðîêîíñóëüòèðîâàòüñÿ :-), íî ôðàçà "der bei topischer Anwendung bei Mannern und Frauen den ubermassigen Haarausfall bei Alopecia androgenetica" ãîâîðèò î íèçêîì óðîâíå òåõ êòî ïðåäñòàâëÿåò ýòó êîðïîðàöèþ â Åâðîïå (èëè îá èõ õèòðîñòè è ðàñ÷åòå íà åâðîïåéñêèå ïðàâèëà). Ò.å., âñå ñâîäèòñÿ èìåííî ê òîìó, ÷òî ïîïàäàÿ íà åâðîïåéñêèé ðûíîê äàííûå ïðåïàðàòû îñòàâëÿþò ïðè ñåáå òîëüêî êîììåð÷åñêóþ ñîñòàâëÿþùóþ âñåé èíôîðìàöèè.

    Ïî ïîâîäó ïñèõîëîãè÷åñêîé ñîñòàâëÿþùåé: "Additionally, data from a patient questionnaire on quality of life, global benefit, hair growth, and hair styling demonstrated that 5% topical minoxidil helped improve patients' psychosocial perceptions of hair loss". Ýòî, êîíå÷íî, çàìå÷àòåëüíî, íî íèãäå íå ñêàçàíî, ÷òî òî æå ñàìîå íå ïðîèñõîäèëî â ãðóïïå ïëàöåáî. :-)

    Ïî ïîâîäó ôèíàñòåðèäà: àáñîëþòíî òà æå ñèòóàöèÿ. Íàïðèìåð, â ìíå âñòðåòèëñÿ ðóññêèé âàðèàíò àííîòàöèè Ìåðêà, ãäå ôèíàñòåðèä êàê ðàç ðåêîìåíäîâàí è æåíùèíàì ñ àëîïåöèåé!!! (âîçìîæíî, ýòî êðàéíèé âàðèàíò, ñëó÷àéíî ïîïàâøèé â èíòåðíåò, ñåé÷àñ ïûòàþñü ñíîâà åãî îáíàðóæèòü...) Ïîïðîáîâàëè áû îíè íàïèñàòü ýòî â Àìåðèêå (íåçàâèñèìî îò âîçðàñòà, êñòàòè).

  11. Hard
    #26
    ×èòàòåëü Íåäóã.Ðó
    À íåêîòîðûå äàæå ãèðñóòèçì ïûòàëèñü ëå÷èòü ôèíàñòåðèäîì (http://www.rmj.ru/rmj/t5/n7/endo.htm)

  12. V. ZAITSEV
    #27
    ×èòàòåëü Íåäóã.Ðó
    Ïðîñòèòå, ÷òî âìåøèâàþñü, íè÷åãî íå ìîãó ñêàçàòü ïî DHT-áëîêàòîðàì ïðè àëîïåöèè, íî ïî ÌÄ ñòàòèíîâ âñå æå íå âñå òàê ïëîõî.

    Óâàæàåìûå ó÷àñòíèêè ýòîé äèñêóññèè, Âû ãðàìîòíûå ñïåöèàëèñòû è íåìíîãî îáèäíî, ÷òî ïðîäóêòèâíîñòè ýòîãî îáñóæäåíèÿ ìåøàåò ýìîöèîíàëüíûé ôàêòîð.

  13. Dr. Vad
    #28
    ×èòàòåëü Íåäóã.Ðó
    ß íå ïðîòèâ îöåíêè/óñòàíîâëåíèÿ ìåõàíèçìà äåéñòâèÿ ñòàòèíîâ, êðîìå õîëåñòåðèí-ñíèæàþùåãî, íî ÷òî êîíêðåòíî èëè æå âñå âìåñòå â èõ äåéñòâèè ïðèíîñèò íåîñïîðèìóþ ïîëüçó, âîò âîïðîñ?, íàïð. îäíà èç òàêèõ ñòàòåé: (âûäåëåíî ìíîé)



    Int J Clin Pract Suppl. 2003 Mar;(134):51-7.

    Role of statin pleiotropism in acute coronary syndromes and stroke.



    Liao JK.



    Brigham and Women's Hospital, Cambridge, Massachusetts, USA.



    Several landmark clinical trials have demonstrated the benefit of lipid-lowering with statins for the primary and secondary prevention of coronary heart disease. The clinical data in support of lowering cholesterol by statins are unequivocal. The established mechanism of action is via sterol regulatory element binding protein (SREBP) activation due to reduced hepatic cholesterol synthesis and secondary upregulation of the low-density lipoprotein (LDL)-receptor, leading to enhanced clearance of circulating cholesterol and lipids. Although it is widely accepted that most clinical benefit obtained with statins is a direct result of their lipid-lowering properties,

    ***there is still some debate as to whether the so-called 'pleiotropic effects' of statins contribute to the clinical outcome in vascular disease, or whether all the beneficial effects of statins are simply due to lipid-lowering.*** For example, these agents appear to display additional cholesterol-independent effects on various aspects of cardiovascular disease, including improving endothelial function, decreasing vascular inflammation and enhancing plaque stability. Thus,

    ***further studies are needed to understand the full impact of statin therapy on each of these processes and whether these effects contribute to the clinical benefits of statins in acute coronary syndromes and stroke.***



    Ñóùåñòâóþò ïðåïàðàòû, ïðèìåíÿåìûå â ìåäèöèíå, ó êîòîðûõ òî÷íûé ìåõàíèçì äåéñòâèÿ íå óñòàíîâëåí, íî â ýôôåêòèâíîñòè êîòîðûõ íèêòî íå ñîìíåâàåòñÿ. Òàêæå âîçíèêàþò ïåïàðàòû, êîòîðûå ðàçðàáàòûâàëèñü ñ îäíîé öåëüþ, à ñåé÷àñ ïðèìåíÿþòñÿ â äðóãèõ îáëàñòÿõ: íàïð. òàëèäîìèä, ñèëäåíàôèë. À ñåé÷àñ âèàãðó òàêæå èñïîëüçóþò äëÿ ëå÷åíèÿ ëåãî÷íîé ãèïåðòåíçèè. Èëè, åñëè ñëåäîâàòü ëîãèêå êîëëåãè, ðàç â èíñòðóêöèè ê ïðåïàðàòó óêàçàíî ëå÷èòü èìïîòåíöèþ, äàëüøå ïîëüçîâàòü - íè-íè. Ïî÷åìó ëàáîðàòîðèè ìèðà ïûòàþòñÿ óñòàíîâèòü êîíêðåòíûé ÌÄ ìèíîêñèäèëà ïðè àëîïåöèè, à ïî ëè÷íûì íàáëþäåíèÿì êîëëåãè ýòî áåíçèí-êåðîñèíîâàÿ òåðàïèÿ?

     ïðîöåññå äèñêóññèè çàäàâàë íåêîòîðûå âîïðîñû ïî ëè÷íûì óáåæäåíèÿì Harda, êàê âèäèòå èç äèñêóññèè, íè íà îäèí íå îòâå÷åí, ëèøü ãîëîñëîâíîå ïðîòèâîñòîÿíèå íà ëè÷íûõ íàáëþäåíèÿõ, êàê èç ìóëüòôèëüìà: À áàáà ßãà Ïðîòèâ!

    Ñ äðóãîé ñòîðîíû, ñâîå ìíåíèå âûñêàçûâàòü íå çàïðåùåíî, äëÿ ýòîãî ôîðóì è ñóùåñòâóåò, ïîýòîìó ïóñòü êàæäûé ïèøåò è îòñòàèâàåò òî, ÷òî ïîæåëàåò. Êàê ãîâàðèâàëè â ñòàðèíó: Áóìàãà âñå ñòåðïèò, òåïåðü ìîæíî ýòî ýêñòðàïîëèðèâàòü è íà èíòåðíåò.

  14. Hard
    #29
    ×èòàòåëü Íåäóã.Ðó
    Óâàæàåìûé Dr. Vad. Äåëî âåäü íå â ìîèõ íàáëþäåíèÿõ. Double blind ïðîâîäèòñÿ äëÿ êîíòðîëÿ êàêîãî-ëèáî ýôôåêòà. Ò.å., åãî åñòü ñìûñë ïðîâîäèòü, êîãäà åñòü ÷òî ñðàâíèâàòü (íàïðèìåð ñ ïëàöåáî èëè äðóãèì ïðåïàðàòîì ñ èçâåñòíûì ÌÄ).

    À ÷òî ñîáñòâåííî ñðàâíèâàòü â äàííîì ñëó÷àå? Ýòî âñå ðàâíî, ÷òî óñòðàèâàòü double blind íà òåìó "ó êîãî áûñòðåå îòðàñòåò îòðåçàííàÿ íîãà: ó òîãî, êòî ïüåò òàáëåòêè, èëè ó òîãî, êòî íå ïüåò."

    Âû æå çíàåòå, ÷òî ïðî ïåðâûå óäà÷íûå ýêïåðèìåíòû áîëüøîãî ìàñøòàáà ìèð óçíàåò ñðàçó. Íèêîìó íå òðåáîâàëîñü êîíòðîëèðîâàòü ïåðâóþ óäà÷íóþ ïåðåñàäêó ñåðäöà.

    Ïðîñòî çäåñü íå÷åãî ñðàâíèâàòü - ÿâëåíèå ñàìî ïî ñåáå îòñóòñòâóåò.

    Ïåðâîãî óäà÷íî ïðîëå÷åííîãî ïàöèåíòà ñ ìóæñêîé ãåíåòè÷åñêè îáóñëîâëåííîé àëîïåöèåé ìèð óçíàåò òîæå ñðàçó,.. íî íå èç ðåêëàìíûõ ðîëèêîâ.

    À óæ ïîòîì ìîæíî áóäåò ãîâîðèòü î òîì, ÷òîáû ïðîâåðÿòü (double blind, â ò.÷.) îò÷åãî ýòîò ýôôåêò âîçíèê (îò ëå÷åíèÿ, èëè åùå îò ÷åãî).



    È "ëàáîðàòîðèè ìèðà" âîâñå íå "ïûòàþòñÿ óñòàíîâèòü êîíêðåòíûé ÌÄ ìèíîêñèäèëà ïðè àëîïåöèè..." (òîé ôîðìû , î êîòîðîé ìû çäåñü ãîâîðèëè), îíè ïûòàþòñÿ åãî óâèäåòü, íî ïîêà áóçóñïåøíî.

    À ïîêà ÷òî, ó ïàöèåíòîâ êàê Âû ïðàâèëüíî ðàíåå çàìåòèëè, óëó÷øàåòñÿ òîëüêî ëè÷íîñòíàÿ ïåðöåïöèÿ. Íî ýòî åäèíñòâåííûé ïîëîæèòåëüíûé ýôôåêò îò äàííîé òåðàïèè. È äëèòñÿ ýòî óëó÷øåíèå âåñü ïåðèîä ëå÷åíèÿ - ìîæíî ïîæèçíåííî. Ïüþò îíè òàáëåòêè âîëîñàòîñòè è ðàäóþòñÿ.

  15. tino
    #30
    ×èòàòåëü Íåäóã.Ðó
    Çàìå÷àòåëüíî, óâàæàåìûé Hard, íà îñíîâàíèè Âàøèõ ñîáñòâåííûõ íàáëþäåíèé (à íå ðåçóëüòàòîâ double blind RCT), à òàêæå îòñóòñòâèè èçâåñòíîãî ÌÄ (èíòåðåñíî, ÷òî Âû ñêàæåòå î ñòàòèíàõ, êîòîðûå, íåñìîòðÿ íà íîðìàëüíûå ëèïèäû, òàêæå óâåëè÷èâàþò ïðîäîëæèòåëüíîñòü æèçíè ó áîëüíûõ ñ àòåðîñêëåðîçîì ïî ïîêà íåóñòàíîâëåííîìó ÌÄ, íåóæåëè òîæå "...îòíåñòè ê ãðóïïå ìåòîäîâ ëå÷åíèÿ, îòêðûòîé íà äàííîì ôîðóìå ïîä íàçâàíèåì "áåíçèí-êåðîñèí-òåðàïèÿ"?), íåâçèðàÿ íà ðåêîìåíäàöèè äåðìàòîëîãîâ ïî îáå ñòîðîíû îò îêåàíà, ìîæåòå îòíîñèòü, ÷òî êóäà õîòèòå, à òàêæå ïîëüçîâàòü áåíçèí èëè äð. ÃÑÌ äëÿ ëå÷åíèÿ ëþáîé ïàòîëîãèè, îïèðàÿñü íà ñîáñòâåííîå ïîíèìàíèå î EBM.

    Ê ñîæàëåíèþ, ýòîò ôîðóì òàêæå íå ìîäåðèðóåòñÿ, ïîýòîìó ìíåíèÿ ìîäåðàòîðà-ñïåöèàëèñòà, ìû òàêæå íå óñëûøèì, äà è Âàì ëó÷øå îñòàâàòüñÿ ïðè ñîáñòâåííîì ìíåíèè.



    Òîëüêî, íå ïîíÿòíî, çà÷åì çàäàâàòü ñàìîìó ñåáå âîïðîñû íà ôîðóìå, âåäü îòâåòû Âàì çàðàíåå âñå èçâåñòíû...





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