摘要:目的 探討1 565 nm非剝脫點(diǎn)陣激光聯(lián)合外用米諾地爾及口服非那雄胺治療雄激素性禿發(fā)(AGA)患者的效果及安全性。方法 將75例Hamilton-Norwood分級(jí)Ⅱ—Ⅲ級(jí)男性AGA患者隨機(jī)分為對(duì)照組1、對(duì)照組2和試驗(yàn)組,各25例。對(duì)照組1給予外用5%米諾地爾酊治療,對(duì)照組2在對(duì)照組1基礎(chǔ)上同時(shí)口服非那雄胺片,試驗(yàn)組除上述口服及外用治療外,進(jìn)行1 565 nm非剝脫點(diǎn)陣激光治療。在治療前和治療第24周時(shí),采用7點(diǎn)總體評(píng)分量表評(píng)價(jià)毛發(fā)總體療效;皮膚毛發(fā)鏡測(cè)定毛發(fā)直徑和毛發(fā)密度。治療后調(diào)查患者滿意度,并記錄不良反應(yīng)的發(fā)生情況。結(jié)果 試驗(yàn)組毛發(fā)總體療效優(yōu)于對(duì)照組1和對(duì)照組2。治療前,3組患者毛發(fā)直徑和毛發(fā)密度差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);治療后,3組患者毛發(fā)直徑和毛發(fā)密度均升高,試驗(yàn)組治療后毛發(fā)直徑和毛發(fā)密度均高于對(duì)照組1和對(duì)照組2(P<0.05)。試驗(yàn)組患者滿意度優(yōu)于對(duì)照組1和對(duì)照組2。試驗(yàn)組患者行激光治療時(shí)出現(xiàn)可耐受的疼痛及灼燒感,癥狀均于數(shù)小時(shí)內(nèi)自行緩解,各組均無嚴(yán)重不良反應(yīng)發(fā)生。結(jié)論 1 565 nm非剝脫點(diǎn)陣激光、5%米諾地爾和非那雄胺聯(lián)合療法治療AGA的療效明顯優(yōu)于單純使用米諾地爾和非那雄胺藥物治療。
關(guān)鍵詞:禿發(fā);米諾地爾;非那雄胺;點(diǎn)陣激光;雄激素性禿發(fā);毛乳頭
中圖分類號(hào):R758.71 文獻(xiàn)標(biāo)志碼:A DOI:10.11958/20231979
Clinical efficacy of 1 565 nm non-ablative fractional laser in androgenetic alopecia
CHENG Yi, XU Yaping, LYU Lijing, CUI Yu, ZHANG Yan, HU Caixia△
Department of Dermatology, the Forth Hospital of Hebei Medical University, Shijiazhuang 050000, China
△Corresponding Author E-mail: 48201485@hebmu.edu.cn
Abstract: Objective To investigate the clinical efficacy and safety of 1 565 nm non-ablative fractional laser combined with topical minoxidil and oral finasteride in the treatment of patients with androgenetic alopecia (AGA). Methods Seventy-five male AGA patients with Norwood-Hamilton classification grade Ⅱ-Ⅲ, were randomly assigned into three groups: the control group 1, the control group 2 and the experimental group, with 25 cases in each group. Patients in the control group 1 received topical 5% minoxidil (1 mL, twice daily). Patients in the control group 2 were treated with both topical 5% minoxidil and oral finasteride (1 mg, once daily). Patients in the experimental group received a combined therapy of 1 565 nm non-ablative fractional laser in addition to topical 5% minoxidil and oral finasteride. Hair overall efficacy was evaluated using a 7-point rating scale after 24 weeks of treatment. Hair diameter and density were measured using a dermoscope. Patient satisfaction was assessed post-treatment, and adverse reactions were recorded. Results The overall efficacy of hair in the experimental group was superior to the control group 1 and the control group 2. There were no significant differences in hair density and hair diameter before treatment between the three groups (P>0.05). After treatment, hair diameter and density increased in all three groups compared to baseline values (P<0.05), and the hair diameter and hair density of the experimental group were higher than those of the control group 1 and the control group 2 (P<0.05). Patient satisfaction in the experimental group was higher than that in the control group 1 and the control group 2 (P<0.05). Patients in the experimental group experienced tolerable pain and burning sensations during laser treatment, and the symptoms were self-alleviated within a few hours. There were no serious adverse reactions reported in any group. Conclusion The combination therapy of 1 565 nm non-ablative fractional laser, 5% minoxidil, and finasteride demonstrates significantly better efficacy in the treatment of AGA than minoxidil and finasteride alone drug therapy.
Key words: alopecia; minoxidil; finasteride; fractional laser; androgenic alopecia; dermal papilla
雄激素性禿發(fā)(androgenetic alopecia,AGA)是一種常見的脫發(fā)性疾病,主要發(fā)生在成年患者中,男性患者通常表現(xiàn)為前額發(fā)際線的后移或從頭頂部開始逐漸稀疏的脫發(fā);女性患者則更多見于頭皮頂部的毛發(fā)稀疏,而不伴有前額發(fā)際線后移。治療男性AGA的傳統(tǒng)方法包括口服非那雄胺、外用米諾地爾和毛發(fā)移植[1]。米諾地爾和非那雄胺是美國食品和藥物管理局(FDA)批準(zhǔn)的治療AGA的唯一外用和口服藥物,已有臨床試驗(yàn)驗(yàn)證了其療效[2-3],但是它們需要長期使用,部分患者因無法堅(jiān)持治療或出現(xiàn)藥物不良反應(yīng)而停藥。此外,毛發(fā)移植費(fèi)用較高,因此目前AGA的治療尚未能滿足患者需求。1 565 nm非剝脫點(diǎn)陣激光是一種新興的治療方法,臨床主要用于瘢痕和面部年輕化的治療,對(duì)皮膚損傷小、作用溫和,已有初步研究發(fā)現(xiàn)其治療AGA的有效性[4],但其與米諾地爾、非那雄胺聯(lián)合的療效尚未明確。本研究探討1 565 nm非剝脫點(diǎn)陣激光聯(lián)合外用米諾地爾及口服非那雄胺治療AGA患者的效果及安全性,以期為AGA患者的治療提供更多選擇。
1 對(duì)象與方法
1.1 研究對(duì)象 選擇2021年3月—2023年3月于河北醫(yī)科大學(xué)第四醫(yī)院皮膚科門診就診的AGA男性患者75例,年齡25~43歲,平均(35.75±4.71)歲,病程1~10年,平均(4.93±2.62)年。納入標(biāo)準(zhǔn):(1)18~50歲的男性患者。(2)符合AGA臨床診斷標(biāo)準(zhǔn)[5],以前額發(fā)際后移和(或)頂部頭發(fā)進(jìn)行性變細(xì)和減少為主要表現(xiàn),且符合Hamilton-Norwood分級(jí)Ⅱ—Ⅲ級(jí)[6]。(3)血尿便常規(guī)、肝腎功能、自身抗體譜、甲狀腺功能正常。(4)可定期到醫(yī)院接受治療和評(píng)估。排除標(biāo)準(zhǔn):(1)嚴(yán)重的系統(tǒng)性疾病,如心腦血管疾病、惡性腫瘤等。(2)患有可能影響頭發(fā)生長的全身性或頭皮疾病,如甲狀腺功能紊亂、營養(yǎng)不良、缺鐵性貧血、梅毒、脂溢性皮炎等。(3)在試驗(yàn)開始前1年內(nèi)口服非那雄胺或度他雄胺,或外用米諾地爾酊或其他生發(fā)藥物,或進(jìn)行頭部的激光或光治療者。(4)已行毛發(fā)移植。(5)對(duì)1 565 nm非剝脫點(diǎn)陣激光治療和米諾地爾有過敏史或禁忌證。本研究經(jīng)醫(yī)院醫(yī)學(xué)倫理委員會(huì)批準(zhǔn)(批號(hào):2021KY036),獲得所有患者同意并簽署知情同意書。
1.2 治療方案 采用隨機(jī)數(shù)字表法將患者分為對(duì)照組1、對(duì)照組2和試驗(yàn)組,每組25例。其中對(duì)照組1給予外用5%米諾地爾酊(90 mL∶4.5 g,浙江萬晟藥業(yè)有限公司,國藥準(zhǔn)字H20010714)每日2次,每次1 mL,外用后局部按摩3 min促進(jìn)藥物吸收。對(duì)照組2在對(duì)照1組基礎(chǔ)上口服非那雄胺片(1 mg/片,浙江仙琚制藥股份制藥有限公司,國藥準(zhǔn)字H20070112),1 mg/次,每日1次。試驗(yàn)組除上述口服及外用治療外,同時(shí)進(jìn)行1 565 nm非剝脫點(diǎn)陣激光(ResurFX模式,美國科醫(yī)人醫(yī)療激光公司)治療,每4周1次,連續(xù)6次,每次治療后局部冰敷15 min,24 h不接觸水。激光治療采用波長1 565 nm,密度200點(diǎn)/cm2,能量30~40 J/cm2,光斑的形狀為正方形,尺寸為12 mm×12 mm,治療覆蓋脫發(fā)區(qū),光斑的重合度不高于10%,掃描1次。3組療程均為24周。
1.3 觀察指標(biāo) (1)毛發(fā)總體療效。在治療前和治療第24周時(shí),分別使用數(shù)碼相機(jī)(EOS200D,Canon公司,日本)對(duì)頭頂部區(qū)域進(jìn)行大體拍照,由2名皮膚科副主任醫(yī)師對(duì)治療前后的照片進(jìn)行整體評(píng)估,采用7點(diǎn)總體評(píng)分量表[7]評(píng)價(jià)毛發(fā)總體療效:癥狀明顯加重=-3,中度加重=-2,輕度加重=-1,無變化=0;輕度改善=1,中度改善=2,顯著改善=3??傇u(píng)分1、2、3為有效,其余為無效。(2)毛發(fā)直徑和毛發(fā)密度。皮膚毛發(fā)鏡(南京倍寧:BN-PFMF-8001)拍照位點(diǎn)固定在頭頂部矢狀面中線與兩側(cè)耳廓最頂端連線的交界處,將其放大30倍,在2 cm×2 cm的目標(biāo)區(qū)域收集患者的毛發(fā)圖像數(shù)據(jù),檢測(cè)毛發(fā)直徑,同時(shí)標(biāo)記1 cm2大小目標(biāo)區(qū)域內(nèi)的毛發(fā)數(shù)量,即為毛發(fā)密度(根/cm2)。(3)患者滿意度?;颊吒鶕?jù)自身感受,包括脫發(fā)改善、毛發(fā)增加、頭頂部毛發(fā)厚度等綜合結(jié)果做出滿意度評(píng)價(jià),分為非常滿意、比較滿意、不太滿意、不滿意4個(gè)等級(jí)。滿意度=(非常滿意+比較滿意)病例數(shù)/病例總數(shù)×100%。(4)不良反應(yīng)。包括局部疼痛、瘙癢、紅斑、干燥及脫屑、性欲降低、勃起功能障礙或睪丸疼痛等。對(duì)于癥狀輕微、可耐受的患者,建議繼續(xù)堅(jiān)持治療,而對(duì)于出現(xiàn)嚴(yán)重且無法耐受的不良反應(yīng)的患者,則可考慮退出臨床觀察。
1.4 統(tǒng)計(jì)學(xué)方法 采用SPSS 24.0軟件進(jìn)行數(shù)據(jù)分析。計(jì)量資料用均數(shù)±標(biāo)準(zhǔn)差[([x] ±s)]表示,多組間比較采用單因素方差分析,組間多重比較行LSD-t檢驗(yàn);治療前后比較采用配對(duì)樣本t檢驗(yàn)。計(jì)數(shù)資料用例或例(%)表示,組間比較采用χ2檢驗(yàn);等級(jí)資料組間比較采用Kruskal-Wallis H檢驗(yàn)。P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 患者一般情況 3組患者的年齡、病程和Hamilton-Norwood分級(jí)差異均無統(tǒng)計(jì)學(xué)意義(P>0.05),見表1。
2.2 3組毛發(fā)總體療效比較 3組患者治療后毛發(fā)總體療效差異有統(tǒng)計(jì)學(xué)意義(χ2=15.608,P<0.05),其中試驗(yàn)組毛發(fā)總體療效優(yōu)于對(duì)照組1和對(duì)照組2,見表2。
2.3 3組治療前后毛發(fā)直徑和毛發(fā)密度比較 治療前,3組患者毛發(fā)直徑和毛發(fā)密度差異均無統(tǒng)計(jì)學(xué)意義(P>0.05);治療后,3組患者毛發(fā)直徑和密度均升高(P<0.05)。試驗(yàn)組治療后毛發(fā)直徑和密度均高于對(duì)照組1和對(duì)照組2(P<0.05),見表3。
2.4 3組患者滿意度比較 治療24周后,3組患者滿意度差異有統(tǒng)計(jì)學(xué)意義(χ2=13.231,P<0.05),其中試驗(yàn)組患者滿意度(80%)優(yōu)于對(duì)照組1(36%)和對(duì)照組2(52%),見表4。
2.5 不良反應(yīng) 試驗(yàn)組患者出現(xiàn)的不良反應(yīng)包括激光治療時(shí)可耐受的疼痛及灼燒感,癥狀均于數(shù)小時(shí)內(nèi)自行緩解,9例患者出現(xiàn)頭皮紅斑,8例患者局部頭皮瘙癢,1例患者出現(xiàn)性欲降低;對(duì)照組1有1例患者局部頭皮出現(xiàn)紅斑,不伴瘙癢;對(duì)照組2有1例患者出現(xiàn)精液量減少。以上不良反應(yīng)均為輕度,不經(jīng)治療可自行緩解,各組均無嚴(yán)重不良反應(yīng)發(fā)生。
3 討論
AGA的總體發(fā)病率較高,在我國6個(gè)城市進(jìn)行的一項(xiàng)基于社區(qū)的面對(duì)面訪談和問卷調(diào)查研究顯示,男性AGA的總體患病率為21.3%,女性為6.0%[8]。AGA具有遺傳易感性,其病因包括遺傳因素、激素水平變化和環(huán)境因素。雄激素,特別是二氫睪酮,在AGA發(fā)病過程中發(fā)揮重要作用。毛囊中含有5α還原酶,可將睪酮轉(zhuǎn)化為更強(qiáng)效的二氫睪酮。毛囊生物學(xué)已證實(shí)間充質(zhì)來源的毛乳頭在維持毛發(fā)生長中的基礎(chǔ)作用。毛乳頭細(xì)胞(dermal papilla cells,DPC)在誘導(dǎo)和維持毛囊上皮細(xì)胞生長中起著重要作用,其能夠通過旁分泌的方式釋放生長因子,介導(dǎo)雄激素的生長刺激信號(hào)作用于毛囊上皮細(xì)胞[9]。研究表明, AGA患者頭皮頂部脫發(fā)區(qū)的毛乳頭細(xì)胞表面的雄激素受體高表達(dá),二氫睪酮作用于毛囊毛乳頭細(xì)胞后可誘導(dǎo)細(xì)胞產(chǎn)生轉(zhuǎn)化生長因子β1,后者可誘導(dǎo)毛囊進(jìn)入退行期,二氫睪酮還可通過β-catenin抑制Wnt信號(hào)通路[10-11],最終導(dǎo)致毛囊生長期逐漸縮短,休止期逐漸延長,毛囊上皮細(xì)胞增殖減少,毛囊進(jìn)行性微小化,頭發(fā)逐漸變細(xì)、變短,最終停止生長。
近年來,有關(guān)點(diǎn)陣激光治療AGA的臨床研究逐漸增多[12-13]。一項(xiàng)隨機(jī)對(duì)照研究顯示,AGA患者經(jīng)1 565 nm非剝脫點(diǎn)陣激光治療10周后其毛發(fā)密度、終毛直徑及患者滿意度均顯著高于5%米諾地爾組[4]。馬立文等[14]觀察CO2點(diǎn)陣激光聯(lián)合外用5%米諾地爾酊及口服非那雄胺治療24周的療效發(fā)現(xiàn),與單獨(dú)外用5%米諾地爾和米諾地爾聯(lián)合口服非那雄胺相比,激光聯(lián)合藥物治療組毛發(fā)密度和直徑均顯著增加。本研究結(jié)果顯示,采用1 565 nm非剝脫點(diǎn)陣激光聯(lián)合外用5%米諾地爾及口服非那雄胺、單獨(dú)外用5%米諾地爾、外用5%米諾地爾聯(lián)合口服非那雄胺治療AGA 24周后,患者毛發(fā)直徑和毛發(fā)密度均升高,其中激光聯(lián)合藥物治療組毛發(fā)直徑和毛發(fā)密度明顯優(yōu)于2個(gè)藥物對(duì)照組,且毛發(fā)總體療效和患者滿意度亦顯著優(yōu)于2個(gè)藥物對(duì)照組,提示1 565 nm非剝脫點(diǎn)陣激光聯(lián)合外用5%米諾地爾及口服非那雄胺在改善AGA患者的毛發(fā)生長方面優(yōu)于單用藥物治療。但CO2點(diǎn)陣激光作用后局部反應(yīng)較為明顯,部分患者出現(xiàn)了紅腫、滲液,需1周左右恢復(fù),而1 565 nm非剝脫點(diǎn)陣激光局部反應(yīng)輕微,患者僅有短暫、可耐受的疼痛或燒灼感,數(shù)小時(shí)可自行緩解,皮膚損傷小,恢復(fù)較快,無嚴(yán)重不良反應(yīng)發(fā)生,且治療前也無需剪發(fā),患者依從性較好。
非那雄胺是一種5α還原酶抑制劑,可防止睪酮轉(zhuǎn)化為二氫睪酮。外用米諾地爾的作用機(jī)制復(fù)雜,其能促進(jìn)真皮乳頭中前列腺素和血管內(nèi)皮生長因子的合成,并打開鉀離子通道,從而延長生長期[15]。點(diǎn)陣激光治療的機(jī)制源于局部光熱原理。激光器發(fā)出的光束直徑<500 μm,呈矩陣排列,導(dǎo)致表真皮內(nèi)產(chǎn)生柱狀微熱損傷。這種機(jī)制會(huì)觸發(fā)皮膚的修復(fù)過程,隨后促進(jìn)皮膚組織的重建和新膠原蛋白的合成[16]。有研究表明,剝脫性2 940 nm點(diǎn)陣鉺YAG激光和CO2點(diǎn)陣激光可通過激活C57BL/6小鼠Wnt/β-catenin通路刺激毛囊由休止期重新進(jìn)入生長期,從而延長毛發(fā)生長階段的持續(xù)時(shí)間,促進(jìn)毛發(fā)生長[17-18]。1 565 nm非剝脫點(diǎn)陣激光是美容醫(yī)學(xué)中常用的一種激光治療技術(shù),波長屬近紅外光譜范圍,此波長的激光能夠穿透皮膚表面直接作用于真皮層,而不會(huì)引起表皮損傷。1 565 nm非剝脫點(diǎn)陣激光治療AGA具有較好的效果,其作用機(jī)制可能包括以下幾個(gè)方面:(1)激光治療有助于擴(kuò)張微血管,改善頭皮的血液循環(huán)。(2)激光治療同樣有助于刺激毛囊內(nèi)膠原蛋白的生成,從而加強(qiáng)毛囊的支撐結(jié)構(gòu),改善毛發(fā)的生長環(huán)境。(3)激光治療可能減緩毛囊衰老過程,通過刺激毛乳頭細(xì)胞和毛囊上皮細(xì)胞促使細(xì)胞代謝活躍,從而促進(jìn)健康的頭發(fā)生長。(4)點(diǎn)陣激光對(duì)皮膚的微小損傷可增強(qiáng)對(duì)外用米諾地爾的輸送,即激光輔助藥物輸送,這大大提高了外用藥物的利用率。(5)毛囊在光熱損傷的愈合過程中,多種細(xì)胞因子可通過促進(jìn)毛囊干細(xì)胞及毛乳頭細(xì)胞的生長和分化促進(jìn)毛發(fā)生長。
綜上,1 565 nm非剝脫點(diǎn)陣激光聯(lián)合外用5%米諾地爾及口服非那雄胺治療AGA較傳統(tǒng)單純藥物治療更具優(yōu)勢(shì),可增加毛發(fā)直徑和密度,安全有效。
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(2024-01-02收稿 2024-04-10修回)
(本文編輯 陳麗潔)