TWI397411B - 光動力美容步驟及癒合方法 - Google Patents
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- TWI397411B TWI397411B TW96101717A TW96101717A TWI397411B TW I397411 B TWI397411 B TW I397411B TW 96101717 A TW96101717 A TW 96101717A TW 96101717 A TW96101717 A TW 96101717A TW I397411 B TWI397411 B TW I397411B
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Description
1.35 USC 119(e)下之優先權本專利申請案要求2006年1月18日所提交之第60/759,660號美國臨時專利申請案的利益,其係由Volker Albrecht,Danilo Castro及Wolfgang Neuberger命名為”光動力美容步驟及癒合方法”,其在此以參考方式納入本文中。
2.【發明所屬之技術領域】一般而言,本發明係關於用於傷口癒合及美容應用之光動力療法,特別係會加強損傷的表皮及結締組織傷口之癒合過程,因而促進組織重建與增大的方法及組成物。
3.資訊揭露聲明書傷口係皮膚組織完整性的瓦解,造成該區域功能喪失。傷口可以是簡單的,像是輕微的切口或擦傷,其牽涉到表皮及表面真皮層及被稱為部分-厚度傷口。此藉由上皮再形成而癒合較快速;而複雜/完全厚度傷口係較深層的損傷於骨骼系統、肌肉組織或甚至於內部器官。傷口可以是創傷性傷口,像是擦傷、挫傷、撕裂傷;或外科手術性傷口-皮膚移植、外科手術後刀口,其係最容易癒合;或它們可以是慢性/非癒合性傷口,像是褥瘡或糖尿病潰瘍,其係癒合較困難。損傷於結締組織,像是骨骼、軟骨也係非常常見。最後,燒傷性損傷,特別是第二及第三級,其中組織損失造成疤痕及毀容,且延遲癒合過程,也係主要關注事項。
傷口癒合係一種牽涉生理、生化及型態改變之動態過程。損傷後修復及重建的過程係對抗環境最基本的防禦機制之一。此癒合過程係由有次序之連續事件所組成,其重新建立受傷害組織之完整性。它包括單獨但重疊之階段,那就是-止血、發炎、增生、血管新生及重塑,其係藉由基質與必須細胞之累積用以癒合受損傷部分。所有健康活體具有天賦能力用以癒合傷口。但是在某些個案中,傷口可能不容易癒合或由於減弱的免疫力、虛弱的健康狀況,及/或營養缺乏而有所延緩;舉例而言,在糖尿病患者中,傷口癒合係減弱的及即使是簡單的切口會出現慢性傷口(假如沒有提供立即醫療照護)。新式技術正被建立用以在這些狀況中改善癒合。
傷口癒合係複雜之過程,其牽涉許多不同的細胞、蛋白質、趨化因子、蛋白酵素、發炎細胞、細胞介素及生長因子。癒合過程係藉由生長因子及細胞介素被調控,其影響細胞遷移、增生及蛋白質製造。就在受損傷之後,傷口會充滿血液及凝集被形成以止血。假如組織受到傷害,一連串細胞事件被啟動,用以使受損傷區域準備堆積膠原蛋白,其最終將取代受傷害之組織。在發炎階段期間,出血係受到控制及免疫系統係被活化用以控制細菌感染;及肉芽組織係在增生階段期間被形成,其覆蓋受損傷之區域。在此之後為血管新生及重塑。
瞭解細胞介素、生長因子及其他牽涉於傷口癒合過程之媒介者的功能,能幫助我們操縱這些成分,用以快速地治癒傷口,因而改善功能及美感。最廣泛地被實行之局部性傷口處理的傳統方法係由以下所組成:機械式洗淨、以殺菌溶液消毒、傷口清創、傷口閉合、抗生素處理,及藉由外科手術方法進行傷口閉合。
傷口癒合係由三種機制之組合被控制:孿縮、上皮細胞增生及結締組織堆積。傷口形式(即擦傷、撕裂傷等)將決定這三種機制之中哪一種會在癒合過程顯現成為主要機制。舉例而言,擦傷之癒合係藉由上皮細胞增生主導,然而對於縫合的撕裂傷,首要機制係結締組織堆積。藉由外科手術方法來閉合傷口仍舊係促進傷口癒合之最佳方式,然而,並非所有傷口均適合外科手術介入。解剖上之位置以及傷口之表面區域及/或深度可使傷口閉合之外科手術方法不可能或不可行。更進一步,組織移除及一些外科手術方法後之疤痕可以是高度毀容及令人衰弱的。皮膚孿縮的結果造成大規模的傷口(例如燒傷)限制肢體移動或功能,其係由於在傷口部位之皮膚或結締組織中,疤痕組織之皺縮。
最新處理方法係使用組織工程化之”皮膚替代物”。其中科學家已經建立使用包埋於生物可分解基質中之纖維母細胞片,培養之角質細胞片及雙層真皮/表皮工程化之皮膚的移植物。一種該例子係使用Integra人造皮膚(Burke及Yannas在1980年代所建立)。Yannas等人在他的美國專利號碼4,947,840中揭示使用此生物可分解之人造皮膚移植物,其用於在具有組織缺失之燒傷傷口中,延緩孿縮及促進組織再生。Integra DRT只能取代較深的真皮皮膚層,及仍需要皮膚移植物用以覆蓋它及防止感染。
很多該產品已經被FDA所核准(例子:Integra DRT、TransCyte)。Integra真皮再生模版(Integra Dermal Regeneration Template)係無細胞之基質,其包括鍍於薄矽膠片之多孔性膠原蛋白/chondritein-6硫酸鹽基質。此模版係作用當作骨架用於真皮再生,因而抑制疤痕及促進癒合。像無細胞基質一樣,含細胞基質係也被用於格柵;例子為Dermagraft、Apligraf,及Hyalograft-3D等。即使是由於疾病之骨骼及軟骨組織的破壞,及創傷損傷後無效率之骨骼癒合,也可能藉由組織工程技術而被對付。但是組織工程化之皮膚移植物在較大規模製造上係昂貴及有期限的。有時候此種皮膚移植物顯現差勁的接收速率,及在移植到患者上時常常失敗。
最近,在光線對於傷口癒合之效果上已經有顯著的興趣。某些雷射已經被證明係加速癒合過程之有效、非侵入性的方法。舉例而言,使用高功率980nm雷射用以加速傷口癒合係被Neuberger描述於美國專利號碼6,165,205中。因此,經雷射幫助傷口癒合對於外科手術方法而言會是一種吸引人的替代方案。光動力療法(”PDT”)係另一種雷射處理方法,其使用特定波長照射用以活化光敏藥物。藥物之光活化誘使區域性氧化傷害於生病組織(其中光敏物已經優先地累積)。PDT係被認為在傷口癒合過程上同樣具有正面效果。
由於在傷口癒合領域中持續的研究,已發現光療法可以改善組織癒合。低功率雷射能量已經被使用於傷口癒合,因為它可以明顯地引起細胞反應,因而促進癒合過程。Neuberger之美國專利號碼6,165,205中,討論使用高功率非剝離性雷射用以加速傷口癒合。980nm二極體雷射在此被利用以在傷口部位活化纖維母細胞及膠原蛋白合成,用以促進傷口癒合。而在同一發明人之美國專利號碼6,527,764中,一種裝置被描述用於雷射處理,其結合活化雷射功率與生物調節功率以在處理後加強組織癒合及再生。
在最近十年中低能量光源已經被用於處理許多組織中之傷口或損害。低能量雷射(特別是He-Ne雷射)已經被發現用以促進完全厚度傷口中之上皮化。事實上,NASA已經建立一種手握式LED,其大大地加強傷口癒合及骨骼肌肉損傷。LED及低能量雷射療法已經被發現在試管內用以增加纖維母細胞增生(Vinck等人)。使用來自可見、近紅外、近紫外(UVA)光之低功率光源已經顯示在促進細胞增生與生長係有效果的,而高能量光可以抑制細胞生長。
舉例而言,用於在未癒合或部分癒合之傷口中調控癒合過程的PDT方法已經被Trauner等人描述於美國專利號碼5,913,884中。Trauner等人揭示及請求一種高劑量PDT方法,其用於在癒合過程期間,抑制纖維化,膠原蛋白密集帶之快速製造。Trauner描述一種三步驟過程,其牽涉在給予與特異於巨噬細胞或肌纖維母細胞之標靶部分共軛鍵結之光敏物後,傷口部位之光照射。
Hasan等人在美國專利號碼6,107,466中揭示用於加速傷口癒合之低劑量PDT方法。Hasan之PDT方法需要三步驟過程,其牽涉在給予光敏物之後傷口部位的光照射,及係意欲用以刺激生長因子之分泌於傷口部位細胞中。此外,Hasan等人請求加速傷口癒合而無造成組織破壞之PDT方法。
PDT係使用於治療某些癌症形式之新式治療療法,然而PDT之使用於癒合及疤痕移除中係處於熱烈的研究下,但未完全地被探究。抗細菌生長於傷口部位中需要被控制以促進癒合。紫外光(UVA)已經被報導用以殺死此細菌細胞。而在PDT處理方法中,PS可以被連接以專一標靶細菌細胞,如此使得光活化反應將會破壞細菌細胞。
使用PDT於傷口癒合過程中已經分別被Hasan等人與Trauner等人報導於美國專利號碼6,107,466及5,913,884中。專利6,107,466描述在未癒合及部分癒合傷口中,用於加速癒合過程之PDT處理方法。在本專利中,有效之PDT劑量被選擇用以刺激生長因子之製造,而不傷害細胞,以在傷口部位促進癒合。Trauner等人在他們的專利(5,913,884)中描述三步驟PDT方法,用以處理未癒合及部分癒合傷口,其係藉由使用高劑量PDT抑制纖維化,抑或透過低劑量PDT加快癒合過程。
雖然這些參考文獻討論PDT與傷口癒合之關聯,但他們之中沒有任何一個描述或揭示如何或為何PDT方法(對於其中組織增大或置換係關鍵因子於所伴隨之傷口癒合的個案中)係有利的或能夠被使用。除那個之外,有很多例子,其中對於”無傷口”、健康的組織,有時候藉由組織增大或置換來加強”健康組織”係特別所欲的。
於是,對於可信賴及可行的組織修復與傷口閉合的方法(其係適合用於完全或部分厚度傷口,例如燒傷或慢性潰瘍)有迫切的需要。對於其中組織增大或置換為必須之傷口,促進或加速癒合過程而最低化疤痕及感染風險之非外科手術療法係高度所欲的。本發明滿足這個需要。
本發明目標在於克服以上所討論之目前使用於癒合複雜傷口處理程序的缺點。本發明提供基於最低限度地侵入性、非外科手術PDT之處理方法,其促進傷口癒合及最低化疤痕。此外,本發明係不僅用於所有部分及完全厚度傷口形式,而且也用以降低疤痕、皺紋及其他皮膚瑕疵或美容情況。
本發明之一個目的係提供用於傷口癒合之組成物及PDT方法,其係藉由組織置換或增大來降低癒合時間及最低化疤痕形成。
本發明之另一目的係提供用以啟動細胞增生及/或傷口重建之組織基質,其係膠原蛋白或在其他基於生物可分解之支撐組織。
本發明之另一目的係使用雷射/非雷射光源用於癒合傷口(在後PDT處理時程之期間)。
幫助經使用膠原蛋白基質PDT處理之癌症傷口的較快速癒合係本發明之目標。
使用膠原蛋白基質及PDT於美容用途也係本發明之另一目標,例如減少皺紋、細紋、疤痕(痤瘡或外傷性的)及其他皮膚瑕疵。
提供網羅於組織基質、裝載於微脂粒之PS(其共軛連結到生物分子以標靶特定細胞)也係本發明之目的。提供傷口癒合之非外科手術方法依然係本發明之另一目的。
提供組成物及方法用以在癒合及恢復期間防止細菌生長於傷口部位仍係本發明之另一目的。
灌注生長因子、細胞介素及其他對於組織癒合所需之細胞成分到組織基質係更進一步的目的。
簡短地描述,本發明提供創新、非外科手術方法及組成物,其用於給予PDT以促進組織再生或增大,而最低化疤痕及感染風險。在幾種應用領域之一係急性及慢性傷口(其已經侵犯到身體之上皮及結締組織層)之處理。另一應用領域係當作美容外科手術/處理,包括:降低皺紋、溝、疤痕(痤瘡或創傷所造成)、橘皮組織後遺症,以及用於其它皮膚異常,以給予較平滑的皮膚表面。本發明係由基於膠原蛋白或其他適合的生物可分解支撐基質(其係包埋有裝載於微脂粒之光敏物)所組成。在本發明之一個具體實例中,微脂粒調配之光敏物係首先被注射到該部位,接著膠原蛋白移植及PDT處理。在另一個具體實例中,微脂粒調配之光敏物係被納入膠原蛋白中。一般而言,在膠原蛋白與光敏物混合30分鐘後,完成光活化。基質也可以攜帶重要的生長因子及細胞介素,其促進纖維母細胞遷移及增生於傷口部位。在傷口部位的微生物感染也能夠透過抗菌PDT控制。
本發明之以上及其他的目的、特徵及優點將從以下描述,並與所伴隨之圖式共同被閱讀而變的顯而易見。
傷口係在身體任何部位之組織構造及其功能的破壞。而癒合係該等構造及功能之復原,且它是連續之複合有相互關係的過程,其牽涉不同形式的細胞、生長因子、細胞外基質等。在某些傷口癒合過程受損的個案中,造成未癒合傷口。對於延遲或未癒合傷口的理由可以是受損的傷口癒合過程、患者之健康及營養狀況、年齡、供應於傷口部位之氧氣等。
在過去的幾個十年中,很多不同種類的療法已經被建立,用以促進較快速的傷口癒合。最新係組織工程化”皮膚移植”、低水平光療法及光動力療法(PDT)。使用光源之光動力療法(PDT)已經顯示加強傷口修復。
本發明係提供適合的PDT方法及基於膠原蛋白或生物之支撐基質,其包埋有適合地調配之光敏物(微脂粒、聚乙二醇化(Pegylation)等),用以改善癒合過程。此方法可以被應用以有效地處理燒傷,用以修復在膝蓋中受傷害的軟骨表面及修復血管傷害、血管靜脈及動脈潰瘍、失效的縫合處或二次瘢痕增生之表面及用以降低皮膚瑕疵,像是疤痕、皺紋及其他美容情況。
所使用的術語膠原蛋白包括Auto、Allo、合成及半合成膠原蛋白的例子(其包括Chondro-Gide、Chondrocell、Bio-Gide、Gentacoll、Kollagen Resorb(Resorba GmbH)及Collagen Fibrils(Collagen Matrix公司)Kollagen Resorb)。此膠原蛋白係基於被處理之傷害的形式被使用。
名詞光敏物(如此中所使用)包括光敏劑、光敏傳遞系統,及光敏物衍生物(來自母結構或選自由以下所組成群組之前驅藥物:紫質、紫質元、血紫質、去鎂葉綠素酸、二氫卟酚、菌綠素、異-菌綠素及二氫-及四氫-四吡咯)。
在本發明之一個具體實例中,基於膠原蛋白或其他生物可分解之支撐組織基質係被置於傷口部位或被注射到皮膚之下。此支撐基質具有相似於自然人類皮膚的真皮成分。光敏物(PS)被裝載到微脂粒中,以確保在該部位受到控制的藥物傳遞,此裝載PS之微脂粒係被灌注到組織基質中。除此之外,組織基質也由重要的生長因子(像是表皮生長因子、血小板衍生的生長因子、組織血管新生生長因子及細胞介素)、角質細胞及纖維母細胞所組成,用以加速癒合過程。GF及細胞介素控制關鍵細胞活性,包括細胞分裂、分化及組織修復。
在本發明中,不同形式之膠原蛋白海綿(像是Gentacoll、Kollagen Resorb(Resorba GmbH)及Collagen Fibrils(Collagen Matrix公司))係與PDT被使用於癒合不同形式之傷口及用以改善皮膚表面之美容外觀。在臉及頸部區域上皺紋減少的個案中,需要可注射的膠原蛋白調配物以用於最佳的美容效果。透過細針,膠原蛋白被注射到正好在皮膚表面之下,以撫平皺紋。可注射膠原蛋白之例子係Zyplast及Zyderm(美國Inamed Aesthetics公司所製造)。Zyplast及Zyderm係衍生自牛皮之膠原蛋白。
此外,許多Hyaluronic acid(一種非動物性穩定型透明質酸)也可以被使用,如同以上膠原蛋白被使用以矯正皺紋、疤痕及其他皮膚畸形,以用於美學目的。透明質酸係天然發現於人體中的物質。它在自然界中係親水性,因此當其使用作填充物時,作用當作海綿以吸收水分及提供長時間、持續的結果,而具過敏反應低風險。
圖2及3給定在膠原蛋白及具有裝載於微脂粒之mTHPC的膠原蛋白中,當曝露於不同能量水平時,熱穩定性之巨觀及微觀圖片。
膠原蛋白穩定性係在一能量水平範圍(0到200J/cm2
)內被測試,圖2及3闡明在不同能量水平下,膠原蛋白穩定性之試管內實驗結果。在實驗中可注意膠原蛋白結構在高光線劑量係未改變。因此可證明即使在較高光線劑量,該膠原蛋白材料可以被使用而不會影響/傷害膠原蛋白結構。
Zyplast及Zyderm已經被使用以移除皺紋、疤痕、深紋及其他皮膚異常,但它們的效果只持續3-6個月期間。在本發明中,膠原蛋白基質係結合PDT被使用,以改善美容效果還有它們的耐久性。PDT刺激該區域天然的膠原蛋白製造細胞,及達成所移植之膠原蛋白納入皮膚之膠原蛋白的事實,它本身解釋了它的較大耐久性。
在一個具體實例中,本發明係使用於皮膚更新及用於美容理由,其包括矯正輪廓畸形、皺紋降低、痤瘡疤痕、凹洞、外科手術引起之異常及其他軟-組織缺損。因為老化,真皮會隨時間喪失膠原蛋白及彈性蛋白,因為此原因皮膚變的較薄及不平坦而造成皺紋。皺紋可以只是皮膚上的細紋或深紋。其他促進皺紋的原因係抽煙、陽光傷害(光老化)、乾燥及濕度缺乏、膚色(淺色皮膚係較易於發展出皺紋),及遺傳等。
在本發明之進一步具體實例中,雷射/非雷射光源係與PDT及膠原蛋白基質被使用。在給予PDT及膠原蛋白於傷口部位後,980nm雷射光被用於生物刺激該處理區域,以用於加快癒合及降低疤痕形成。當被直接應用在皮下細胞組織,使用200μ具低功率及高發射期之光纖時,雷射光980也被使用於首先填滿水腫及之後增加膠原蛋白基質,除此之外,980 nm與具微貸點(micro lent point)之纖維的外部使用也在它們的第一階段中降低每目鏡皺紋紋路。
18 Balb c小鼠被用於此研究。所選擇的小鼠被麻醉及一個小切口被施加於頸部區域。三個處理組被設定:在第一個處理組中,一塊5×5 mm、經mTHPC微脂粒調配物飽和之膠原蛋白被移植到皮膚之下。培育30分鐘之後,該區域以652nm、10J/cm2
的光線照射,在此之後,該區域以腸線及Hansaplast噴灑式熟石膏覆蓋。
在第二組中,50 μl mTHPC微脂粒調配物被皮下注射及培育30分鐘,接著以652nm、10J/cm2
的光線照射,接著在皮膚之下藉由小切口開啟,移植未處理之膠原蛋白材料。在此之後,該區域被覆蓋及保護。
第三組係控制組,其中在小鼠中,傷口使用膠原蛋白及雷射照射處理(無mTHPC微脂粒調配物)。
使用於此處理之膠原蛋白產品包括Gentacoll、Kollagen Resorbs及膠原蛋白原纖維。在所有處理組中,每一組2隻小鼠被處理以這些膠原蛋白產品的每一種。
經處理的小鼠係被保持觀察,以記錄傷口癒合中的進展。傷口癒合過程中的進展係在24小時、48小時、5及12天之後被紀錄。可注意在處理組2中,所有小鼠顯示非常好的反應且具輕微發炎及傷口係癒合良好;所有動物在該群組中皆存活的。而在處理組1中,小鼠在處理區域已經顯示強烈的紅色及發炎且毛髮缺失,但傷口癒合過程在12天期間係良好的,且在處理區域中具毛髮長回的情形。控制組3在開始處理的期間顯示非常強烈的發炎作用,具紅色及強烈腫脹。所有經膠原蛋白原纖維處理之小鼠顯示最佳的生物相容性(與其他所使用的膠原蛋白產品相比)。
圖1顯示對於三個群組以三種不同所使用之膠原蛋白產品,在14天之後,經處理小鼠之組織切片結果。當傷口以mTHPC微脂粒調配物被預處理時,加強的血管增生被觀察到。
“本發明之進一步變化係用以治療動脈粥樣硬化性血管病。動脈粥樣硬化性血管病代表世界上主要健康問題之一;動脈粥樣硬化係動脈之不正常增厚及變硬,其造成係藉由脂肪酸堆積在血管之內層,形成粥樣的斑。在本發明中,光敏物被標靶於粥樣的斑,接著以適合波長的光能量照射,以在不正常增生平滑肌細胞引發細胞毒性效應,及在病灶控制微生物生長”。
本發明係藉由以下例子被進一步闡明,但並不因此而受到限制。
傷口區域用滅菌或食鹽水清洗及沖洗,用以移除細胞碎片、壞死及受傷害的細胞,及細胞分泌液及用以降低細菌感染。慢性傷口之清創需要被完成通常是因為非存活細胞及死亡細胞需要被移除,以防止細菌感染及促進肉芽組織形成,因而加速癒合過程。在傷口層以無菌溶液初次清洗之後,基於膠原蛋白之支撐基質係被施加到傷口層。在某些時間間隔之後,該部位係用適合波長被照射,以光活化光敏物。傷口層係保持無微生物感染,因而加快癒合過程。
隨時間及曝露於環境因子下,皮膚開始老化,且皮膚中之膠原蛋白製造細胞(稱為纖維母細胞)逐漸降低數目。可見的效應係皮膚變薄及紋路與皺紋之出現。切適當的膠原蛋白海綿塊或取出所需數量之膠原蛋白原纖維,其以所需濃度(1.5ng/ml mTHPC)之mTHPC微脂粒調配物被飽和。該預處理之膠原蛋白材料係被置於一區域,其藉由外科手術刀的幫助在皮膚製造小切口被處理。培育30分鐘之後,該區域係以10J/cm2
(100mW/cm2
)光能量被照射。然後經PDT處理之區域係以外科敷料被覆蓋,膠原蛋白基質將促進細胞生長,因而矯正軟組織輪廓缺陷,例如皺紋及痤瘡疤痕。
在這個牙周病的個案中,被覆在牙齒的細菌(斑)攻擊支持牙齒於適當位置之物質:牙齒周圍之支撐組織已經被破壞,環繞根部的組織及環繞的骨骼已經被毀壞。此區域係以微脂粒調配之mTHPC及膠原蛋白基質處理;在培育時間之後,該區域以10J/cm2
光能量照射。新式膠原蛋白基質係被良好地接受及產生好的美容結果。在本發明中,PDT效果對於殺死該區域中齒齦下細菌也是有利的,因而加快該區域的癒合。
用於美容目的,用以移除疤痕、皺紋及其他皮膚瑕疵(特別在臉及頸部):在此種個案中,Foslip被皮下注射進處理區域中,接著以電磁輻射照射及最後在皮膚下注射Zyplast以撫平皺紋。Zyplast(Inamed Aesthetics公司)係一種可注射膠原蛋白的形式,其與化學戊二醛連接,或Foslip預先與Zyplast混合而被納入。
骨骼及軟骨傷害也可以使用本發明被處理,基於膠原蛋白的材料(像是Chondro-Gide 、Chondrocell)可以與微脂粒調配之mTHPC及PDT共同被使用,以幫助被磨損或被破壞的軟骨及骨骼生長。
在本發明之另一個具體實例中,980nm雷射光係在後PDT時期被使用在處理區域,用以光調節。細胞活性係使用光源被調整。
首先,脂肪組織從giber區域被吸取及在被附加到Foslip之後(最終組織濃度在1.5到3 ng/g脂肪移植組織之間),準備用以移植到溝或軟組織畸形,然後準備好填充該區域及最後在24小時中make tea光活化。它係自體脂肪注射法。一部份脂肪組織表現當作移植物及其餘的被破壞,及像膠原蛋白一樣被納入處理區域中。PDT作用幫助良好的膠原蛋白基質納入,其基本上係藉由維持額外的細胞基質平衡,因而增進新的膠原蛋白形成。
本發明並非只限制在其應用於特定於以上實施例中之例子,而且也包括牙科應用,心血管、傷口癒合及美容應用。一種牙科應用係牙周囊袋之處理。
已經描述本發明之較佳實施例(參見所附之圖式),要瞭解的是,本發明並不限制於精確的實施例,及許多改變及調整可以在此藉由那些熟於此技藝的人被實現,而無違反本發明如定義於所附申請專利範圍中之範圍或精神。
圖1顯示在小鼠處理14天後之組織切片結果。
圖2係在雷射照射期間,膠原蛋白熱穩定性之巨觀圖片。
圖3係在顯微鏡程度下,當曝露於不同能量水平時,膠原蛋白之熱穩定性。
Claims (7)
- 一種用於組織重新形成(reformation)、組織增大或二者之醫藥套組,其特徵在於該套組包括複數個容器,其中至少一個該容器包括至少一種包含mTHPC(替莫泊芬(temoporfin))的光敏物化合物,且其中至少一個其他的該複數個容器包括至少一種選自由水凝膠、聚合物、糖蛋白、膠原蛋白、脂肪、非動物性穩定型透明質酸、多醣、多胜肽、及這些材料之組合所組成之群組的生物可相容基質材料。
- 根據申請專利範圍第1項之醫藥套組,其進一步包括至少一個容器,其包括至少一種選自由上皮生長因子、血小板衍生的生長因子、組織血管新生生長因子、細胞介素、角質細胞、上皮細胞及纖維母細胞所組成群組之細胞成分。
- 一種用於組織再生及傷口癒合之生物可相容組成物,其包括至少一種生物可相容基質材料,其中該材料係選自由水凝膠、聚合物、糖蛋白、膠原蛋白、脂肪、非動物性穩定型透明質酸、多醣、多胜肽、及這些材料之組合所組成的群組;及包含mTHPC(替莫泊芬)的光敏物化合物。
- 根據申請專利範圍第3項之組成物,其特徵在於該組成物進一步包括至少一種選自由上皮生長因子、血小板衍生的生長因子、組織血管新生生長因子、細胞介素、角質細胞、上皮細胞及纖維母細胞所組成群組之細胞成分。
- 一種包括至少一種生物可相容基質材料與mTHPC (替莫泊芬)的生物可相容組成物的用途,其係用於製備用於治療組織重新形成及/或增大的醫藥品,該治療包括投予具有該光敏物及該生物可相容基質的醫藥品,以及以波長可被該光敏物吸收到該治療區域之電磁輻射活化該裝載光敏物之基質。
- 根據申請專利範圍第5項之用途,其特徵在於該生物可相容基質材料係包括選自由水凝膠、聚合物、糖蛋白、膠原蛋白、脂肪、非動物性穩定型透明質酸、多醣、多胜肽,及這些材料之組合所組成群組之生物可分解材料。
- 根據申請專利範圍第6項之用途,其特徵在於該光敏物進一步包括mTHPC(替莫泊芬)的微脂粒載體調配物。
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| US11/650,207 US8999933B2 (en) | 2006-01-18 | 2007-01-05 | Photodynamic cosmetic procedure and healing method |
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Also Published As
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|---|---|
| EP1983965B1 (en) | 2013-11-06 |
| WO2007084468A2 (en) | 2007-07-26 |
| EP1983965A4 (en) | 2009-06-24 |
| EP1983965A2 (en) | 2008-10-29 |
| US8999933B2 (en) | 2015-04-07 |
| WO2007084468A3 (en) | 2007-11-22 |
| US20070166369A1 (en) | 2007-07-19 |
| AR059079A1 (es) | 2008-03-12 |
| TW200803845A (en) | 2008-01-16 |
| ES2446490T3 (es) | 2014-03-07 |
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