์ด ์„ธ์…˜์— ๋Œ€ํ•œ ๊ธฐ๋ณธ ์„ค์ •์ด ์—…๋ฐ์ดํŠธ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ๊ณ ๊ฐ๋‹˜์˜ ๊ณ„์ • ์„ค์ •์„ ์˜๊ตฌ์ ์œผ๋กœ ๋ณ€๊ฒฝํ•˜๋ ค๋ฉด ๋‚ด ๊ณ„์ •์œผ๋กœ ์ด๋™ํ•˜์„ธ์š”.
์›ํ•˜๋Š” ์ˆ˜๋ น ๊ตญ๊ฐ€ ๋˜๋Š” ์‚ฌ์šฉ ์–ธ์–ด๋ฅผ ๋‚ด ๊ณ„์ •์—์„œ ์–ธ์ œ๋“ ์ง€ ์—…๋ฐ์ดํŠธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
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ํ˜„ํ–‰ ์น˜๋ฃŒ ๋ฐฉ๋ฒ•์˜ ํ•œ๊ณ„๋กœ ์ธํ•œ ํ—ˆ๋ธŒ ์—ฐ๊ตฌ์˜ ํ•„์š”

์น˜๋งค๋Š” ๊ธฐ์–ต๋ ฅ๊ณผ ํ•™์Šต ๋Šฅ๋ ฅ, ๊ทธ๋ฆฌ๊ณ  ์˜์‚ฌ ๊ฒฐ์ •๊ณผ ์ผ์ƒ์ƒํ™œ ํ™œ๋™์— ์ ์ง„์  ์†์ƒ์„ ์ผ์œผํ‚ค๋Š” ์‹ ๊ฒฝ ํ‡ดํ–‰์„ฑ ์งˆํ™˜์ž…๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„์ ์œผ๋กœ 4์–ต 7์ฒœ 5๋ฐฑ๋งŒ ๋ช…์˜ ์‚ฌ๋žŒ๋“ค์ด ์ด๋Ÿฌํ•œ ์น˜๋งค๋ฅผ ์•“๊ณ  ์žˆ์œผ๋ฉฐ ๋งค๋…„ 7๋ฐฑ 7์‹ญ๋งŒ ๋ช…์˜ ์‚ฌ๋žŒ๋“ค์ด ์ƒˆ๋กœ์ด ์น˜๋งค ์ง„๋‹จ์„ ๋ฐ›๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ํŠนํžˆ, ๋น„๋งŒ๊ณผ ๊ณ ํ˜ˆ์••, ์‹ฌ์žฅํ˜ˆ๊ด€ ์งˆํ™˜ ๋ฐ ๋‡Œํ˜ˆ๊ด€ ์žฅ์• (์˜ˆ: ‘๋‡Œ์กธ์ค‘’)๊ฐ€ ์žˆ๋Š” ๋ถ„๋“ค์€ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค(Vascular dementia, VaD)์— ๊ฑธ๋ฆด ์œ„ํ—˜์ด ๋”์šฑ ๋” ๋†’์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค(VaD)๋Š” ์„ ์ง„๊ตญ์˜ ๊ฒฝ์šฐ, ์ „์ฒด ์น˜๋งค ์ค‘ 10-15%๋ฅผ ์ฐจ์ง€ํ•˜๋ฉฐ ๊ฐœ๋ฐœ๋„์ƒ๊ตญ์—์„œ๋Š” ์ „์ฒด ์น˜๋งค ์‚ฌ๋ก€์˜ 30%๋ฅผ ์ฐจ์ง€ํ•  ์ •๋„๋กœ, ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜(AD) ๋‹ค์Œ์œผ๋กœ ํ”ํ•œ ํ˜•ํƒœ์˜ ์น˜๋งค์ž…๋‹ˆ๋‹ค. ๋˜ํ•œ, ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž(VaD)์˜ 40%๋Š” ์•Œ์ธ ํ•˜์ด๋จธ(AD) ์‹ ๊ฒฝ ํ‡ดํ–‰์„ฑ ๋ณ‘๋ฆฌํ•™์  ๋ณ‘๋ณ€๊นŒ์ง€ ๋ณด์ด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜ˆ๊ด€์„ฑ ์น˜๋งค์™€ ์•Œ์ธ ํ•˜์ด๋จธ ์ž˜ํ™˜์€ ๊ฐ€์žฅ ํ”ํ•œ ์œ ํ˜•์˜ ํ˜ผํ•ฉ ์น˜๋งค์ž…๋‹ˆ๋‹ค.

์ฝœ๋ฆฐ์—์Šคํ…Œ๋ผ์ œ ์–ต์ œ์ œ(Cholinesterase inhibitor)๋‚˜ ๊ธ€๋ฃจํƒ€๋ฉ”์ดํŠธ ์ˆ˜์šฉ์ฒด ๊ธธํ•ญ์ œ(Glutamate receptor antagonist) ๊ฐ™์€ ์•ฝ๋ฌผ์„ ์ด์šฉํ•œ ์น˜๋ฃŒ๋Š” ์ผ๋ถ€ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž์—๊ฒŒ๋Š” ์ƒ๋‹นํ•œ ํšจ๋Šฅ์„ ๋ณด์ด์ง€๋งŒ, ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž์—๊ฒŒ๋Š” ๊ทธ ํšจ๋Šฅ์ด ๊ทธ๋ฆฌ ๋†’์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ, ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž๋“ค์€ ์•ฝ๋ฌผ์น˜๋ฃŒ ์™ธ์—๋„ ์นจ์ˆ ์ด๋‚˜ ์˜์–‘ ์š”๋ฒ•, ์š”๊ฐ€๋‚˜ ํƒœ๊ทน๊ถŒ ๋˜๋Š” ์Œ์•… ์น˜๋ฃŒ์™€ ๊ฐ™์€ ๋ณด์™„ ๋Œ€์ฒด ์š”๋ฒ•(CAM)์— ๊ด€์‹ฌ์„ ๋ณด์ด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.  

์ด์— ๋”ฐ๋ผ ์ค‘๊ตญ ์ „ํ†ต ์˜ํ•™์—์„œ ์‚ฌ์šฉ๋˜๋Š” ๋‹ค์–‘ํ•œ ํ—ˆ๋ธŒ ์•ฝ์žฌ๋“ค์„ ๊ฐ๊ฐ ๋˜๋Š” ๋‹ค์–‘ํ•œ ์กฐํ•ฉ์œผ๋กœ ์—ฐ๊ตฌํ•˜์—ฌ ๋‹ค์–‘ํ•œ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜๊ณผ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค์˜ ์ฆ์ƒ์— ์œ ์šฉํ•œ ์•ฝํšจ๋ฅผ ๋ณด์ด๋Š” ํ—ˆ๋ธŒ ์•ฝ์žฌ๊ฐ€ ์žˆ๋Š”์ง€์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๊ฐ€ ์ด๋ฃจ์–ด์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์—ฐ๊ตฌ๊ฐ€ ํ™œ๋ฐœํ•˜๊ฒŒ ์ด๋ฃจ์–ด์ง€๊ณ  ์žˆ๋Š” ํ—ˆ๋ธŒ ์•ฝ์žฌ๋กœ๋Š” ์€ํ–‰(Ginkgo biloba)๊ณผ  ๋ฑ€ํ†ฑ (Huperzia serrata)๊ฐ•ํ™ฉ(Curcuma longa)(Panax ginseng), ์‚ผ์น ๊ทผ(Panax notoginseng), ๋ฐ”์ฝ”๋ฐ”(Bacopa monnieri), ๋‹จ์‚ผ(Salvia miltiorrhiza), ์‚ฌํ”„๋ž€(Crocus sativus), ๊ทธ๋ฆฌ๊ณ  ์ฐจ(Camellia sinensis)๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.  ๋‹ค์Œ์€ ๊ฑด๊ฐ•ํ•œ ์„ฑ์ธ๊ณผ ์น˜๋งค ํ™˜์ž์˜ ์ž ์žฌ์ ์ธ ์ธ์ง€ ๊ธฐ๋Šฅ ํ–ฅ์ƒ์„ ์œ„ํ•ด ์—ฐ๊ตฌ๊ฐ€ ์ด๋ฃจ์–ด์ง„ ๋‹จ์ผ ํ—ˆ๋ธŒ ์•ฝ์žฌ์™€ ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ์— ๋Œ€ํ•œ ๊ฐ„๋‹จํ•œ ์†Œ๊ฐœ์ž…๋‹ˆ๋‹ค.  

๋‹จ์ผ ํ—ˆ๋ธŒ์˜ ์•ฝ์žฌ์˜ ์žฅ๋‹จ์ 

์ตœ๊ทผ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด ์€ํ–‰(Ginkgo biloba) ์ถ”์ถœ๋ฌผ์€ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ์ฆ์ƒ์˜ ๋™๋ฌผ ์‹คํ—˜์—์„œ ํ•™์Šต ๋Šฅ๋ ฅ๊ณผ ๊ธฐ์–ต๋ ฅ์„ ์ฆ์ง„์‹œํ‚ค๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์—„๊ฒฉํ•œ ์—ฐ๊ตฌ ๊ธฐ์ค€์„ ์ถฉ์กฑํ•˜๋Š” ๋Œ€๊ทœ๋ชจ ์œ„์•ฝ ๋Œ€์กฐ ์—ฐ๊ตฌ์™€ ๋ฉ”ํƒ€ ๋ถ„์„์—์„œ๋„ ์€ํ–‰(G. biloba) ์ถ”์ถœ๋ฌผ์€ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜๊ณผ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค๋กœ ์ง„๋‹จ๋ฐ›์€ ํ™˜์ž์˜ ์ธ์ง€ ๊ธฐ๋Šฅ ๊ฐ์†Œ ์†๋„์™€ ์˜์‚ฌ ๊ฒฐ์ •, ๊ทธ๋ฆฌ๊ณ  ํ–‰๋™ ๊ธฐ๋Šฅ์˜ ๊ฐ์†Œ ์†๋„๋ฅผ ๋Šฆ์ถ”๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค. ์ด๋Š” ์€ํ–‰(G. biloba)์ด ๋‘๋‡Œ ๊ธฐ๋Šฅ์„ ์ฆ์ง„์‹œํ‚ด์œผ๋กœ ๊ธฐ์–ต๋ ฅ๊ณผ ์ธ์ง€ ๊ธฐ๋Šฅ์„ ๊ฐœ์„ ์‹œํ‚ค๊ณ , ์ „ ์—ผ์ฆ์„ฑ ๋Œ€์‹์„ธํฌ(Pro-inflammatory macrophages)์˜ ํ™œ๋™ ๊ฐ์†Œ, ํ˜ˆ๋ฅ˜ ๊ฐœ์„ , ํ˜ˆ์†ŒํŒ ํ™œ์„ฑํ™” ์ธ์ž์˜ ํ™œ๋™ ๊ฐ์†Œ(๋กœ ์ธํ•œ ๋‡Œ์กธ์ค‘ ์œ„ํ—˜ ๊ฐ์†Œ), ์ฝ”๋ฅดํ‹ฐ์ฝ”์Šคํ…Œ๋กœ์ด๋“œ(Corticosteroid production) ์ƒ์‚ฐ ๊ฐ์†Œ, ํฌ๋„๋‹น ํก์ˆ˜ ์ฆ๊ฐ€, ์‹ ๊ฒฝ ์ค„๊ธฐ์„ธํฌ์˜ ์ฆ์‹, ๋‡Œ ์†์ƒ ํ›„ ์‹œ๋ƒ…์Šค ์†Œ์„ฑ(Synaptic plasticity) ์ด‰์ง„, ์œ ๋ฆฌ ์ฝœ๋ ˆ์Šคํ…Œ๋กค ์ˆœํ™˜ ๊ฐ์†Œ ๋ฐ ๋‘๋‡Œ์˜  &๋ฒ ํƒ€ ์•„๋ฐ€๋กœ์ด๋“œ(Beta;-amyloid) ์ „๊ตฌ ๋‹จ๋ฐฑ์งˆ ์ƒ์‚ฐ ๊ฐ์†Œ๋ฅผ ์œ ๋ฐœ์‹œํ‚ค๋Š” ๋ฉ”์ปค๋‹ˆ์ฆ˜์ธ ๋•Œ๋ฌธ์ธ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

Curcuma longa (๊ฐ•ํ™ฉ)์€ ์ค‘๊ตญ๊ณผ ํžŒ๋‘, ๊ทธ๋ฆฌ๊ณ  ์•„์œ ๋ฅด๋ฒ ๋‹ค(Ayurvedic) ์˜ํ•™์„ ํ†ตํ•ด ์ˆ˜ ์„ธ๊ธฐ์— ๊ฑธ์ณ ์ทŒ์žฅ์—ผ๊ณผ ๊ด€์ ˆ์—ผ, ์•”๊ณผ ์—ผ์ฆ, ๊ทธ๋ฆฌ๊ณ  ์‹ ๊ฒฝ ๋ณ€์„ฑ๊ณผ ์†Œํ™” ์žฅ์• ๋ฅผ ๋น„๋กฏํ•œ ์ˆ˜๋งŽ์€ ์˜๋ฃŒ ์งˆํ™˜์— ์‚ฌ์šฉ๋˜์–ด ์™”์Šต๋‹ˆ๋‹ค. ๋™๋ฌผ ์—ฐ๊ตฌ์™€ ์ฒด์™ธ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด, ๊ฐ•ํ™ฉ์˜ ์•ฝํšจ์„ฑ๋ถ„์ธ ์ปคํ๋ฏผ(Curcumin)์˜ ์ธ์ง€ ๊ธฐ๋Šฅ ํ–ฅ์ƒ ํšจ๊ณผ๋Š” ์ง€์งˆ ๊ณผ์‚ฐํ™”(Lipid peroxidation)์˜ ์–ต์ œ ๋ฐ ๋ฐ˜์‘์„ฑ ์‚ฐ์†Œ์ข… (ROS)๊ณผ ๋ฐ˜์‘์„ฑ ์งˆ์†Œ์ข…(Reactive nitrogen species)์˜ ์ œ๊ฑฐ, ๊ทธ๋ฆฌ๊ณ  NF-kB ํ™œ์„ฑํ™”์˜ ์–ต์ œ ๋ฐ ํ•ญ์—ผ์ฆ์„ฑ ํ–‰์œ„์™€ ๊ฐ™์€ ๋‹ค์–‘ํ•œ ๋ฉ”์ปค๋‹ˆ์ฆ˜ ๋•Œ๋ฌธ์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ, ์ปคํ๋ฏผ์€ ์ž‘์€ ๋ฒ ํƒ€- ์•„๋ฐ€๋กœ์ด๋“œ์ข…์— ์ง์ ‘ ๊ฒฐํ•ฉํ•˜์—ฌ ์†Œ์„ฌ์œ (Fibrillary)์˜ ์‘์ง‘๊ณผ ํ˜•์„ฑ ์ž‘์šฉ์„ ์ €ํ•ดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฒฝ์ฆ ๋‚ด์ง€ ์ค‘์ฆ๋„์˜ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž 36๋ช…์„ ๋Œ€์ƒ์œผ๋กœ 24 ๊ฐœ์›” ๊ฐ„ ์‹ค์‹œ๋œ ๋ฌด์ž‘์œ„ ์ž„์ƒ ์‹œํ—˜์—์„œ ์ปคํ๋ฏผ(ํ•˜๋ฃจ 2-4๊ทธ๋žจ)์„ ํˆฌ์—ฌํ•œ ํ™˜์ž์™€ ์œ„์•ฝ์„ ํˆฌ์—ฌํ•œ ํ™˜์ž๋ฅผ ๋น„๊ตํ•˜์˜€์„ ๋•Œ, ์‹œํ—˜ ์ฐธ๊ฐ€์ž๋“ค์˜ ์ธ์ง€ ๊ธฐ๋Šฅ๊ณผ ๊ธฐ์–ต๋ ฅ์—๋Š” ์œ ์˜๋ฏธํ•˜์ง€ ์•Š์€ ๋ณ€ํ™”๊ฐ€ ๋‚˜ํƒ€๋‚ฌ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ๋Š” ํ•ด๋‹น ์—ฐ๊ตฌ์— ์‚ฌ์šฉ๋œ ๊ฐ•ํ™ฉ ์ œ์ œ์˜ ๋‚ฎ์€ ์ƒ์ฒด ์ด์šฉ๋ฅ  ๋•Œ๋ฌธ์œผ๋กœ ์ƒ๊ฐ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 

์ด๋Ÿฌํ•œ ๋™๋ฌผ ์‹คํ—˜์—์„œ ๋ฐํ˜€์ง„ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด (Panax ginseng)์˜ ์ƒ์ฒด ํ™œ์„ฑ ์„ฑ๋ถ„์€ ์น˜๋งค ํ™˜์ž์˜ ์ธ์ง€ ๊ธฐ๋Šฅ๊ณผ ๊ธฐ์–ต๋ ฅ์„ ์ฆ์ง„์‹œํ‚ฌ ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ํ™œ์„ฑ ์„ฑ๋ถ„์ธ ์ง„์„ธ๋…ธ์‚ฌ์ด๋“œ(Ginsenoside) Rg5 ์•„๋ฐ€๋กœ์ด๋“œ-β ์™€ ์ฝœ๋ฆฐ์—์Šคํ„ฐ๋ผ์ œ(Cholinesterase)์˜ ํ™œ์„ฑ์„ ์–ต์ œํ•œ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ, ์ง„์„ธ๋…ธ์‚ฌ์ด๋“œ Rg3๋Š” ์œ ์ „์ž ๋ฐœํ˜„์„ ํ†ตํ•ด  β-์•„๋ฐ€๋กœ์ด๋“œ ํŽฉํ‹ฐ๋“œ์˜ ๋ถ„ํ•ด๋ฅผ ์ด‰์ง„ํ•œ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ, ์ธ์‚ผ์€  ํ˜ˆ๊ด€ ํ™•์žฅ ๊ธฐ๋Šฅ์„ ํ†ตํ•ด ํ˜ˆ์••์„ ๋‚ฎ์ถ”๊ณ  ํ˜ˆ์•ก ์ˆœํ™˜์„ ์ฆ์ง„์‹œํ‚ต๋‹ˆ๋‹ค. 2 ๊ฑด์˜ ์—ด๋ฆฐ 12์ฃผ ์ž„์ƒ ์‹œํ—˜ ๊ฒฐ๊ณผ์—์„œ๋Š” ์ธ์‚ผ์ด ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž์˜ ์ธ์ง€ ๊ธฐ๋Šฅ์„ ์ฆ์ง„ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ, ์ตœ๊ทผ์— ์‹ค์‹œ๋œ 2๊ฑด์˜ ์—ด๋ฆฐ ์ž„์ƒ ์‹œํ—˜์—์„œ ์ธ์‚ผ์„ ํ•˜๋ฃจ์— 4.5๊ทธ๋žจ๊ณผ 9๊ทธ๋žจ ์„ญ์ทจํ•œ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž๋Š” ์ธ์ง€ ๊ธฐ๋Šฅ๊ณผ ๊ธฐ์–ต๋ ฅ์ด ํ–ฅ์ƒ๋˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค. ์†Œ๊ทœ๋ชจ๋กœ ์‹ค์‹œ๋œ 2๊ฑด์˜ ์œ„์•ฝ ๋Œ€์กฐ ์ž„์ƒ ์‹œํ—˜์˜ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด  ์‚ผ์น ๊ทผ(Panax notoginseng)์€ ๋‘๋‡Œ์˜ ํ˜ˆ๋ฅ˜๋ฅผ ๊ฐœ์„ ํ•˜์—ฌ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž์˜ ๊ธฐ์–ต๋ ฅ์„ ์ฆ์ง„์‹œํ‚จ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.  

๋ฐ”์ฝ”๋ฐ”(Bacopa monnieri) (๋ธŒ๋ผ๋ฏธ)๋Š” ์‹ ๊ฒฝ ๋ณดํ˜ธ์ œ์ด๋ฉด์„œ ๋™์‹œ์— ํ•ญ์‚ฐํ™”์ œ ํšจ๊ณผ๋ฅผ ๋ฐœํœ˜ํ•˜์—ฌ ์ž์œ  ์œ ๋ฆฌ๊ธฐ(Free radical) ์ œ๊ฑฐ์ œ๋กœ ์ž‘์šฉํ•˜๋ฏ€๋กœ ๋‘๋‡Œ์˜ ํ˜ˆ๋ฅ˜๋ฅผ ๊ฐœ์„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ํ—ˆ๋ธŒ ์•ฝ์žฌ๋Š” ๊ธฐ์–ต๋ ฅ ์ฆ์ง„์ œ๋กœ ์•„์œ ๋ฅด๋ฒ ๋‹ค ์˜ํ•™์—์„œ ๋„๋ฆฌ ์‚ฌ์šฉ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฑด๊ฐ•ํ•œ ์„ฑ์ธ๊ณผ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž์˜ ์ธ์ง€ ๊ธฐ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ํ—ˆ๋ธŒ ์•ฝ์žฌ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ๋Š” ์ง€๊ธˆ๋„ ํ™œ๋ฐœํžˆ ์ง„ํ–‰ ์ค‘์ž…๋‹ˆ๋‹ค. 

์‚ฌํ”„๋ž€(Saffron, Crocus sativus) ์€ ์ค‘๊ตญ ์˜ํ•™์—์„œ ํ•ญ์šฐ์šธ์ œ์™€ ํ•ญ๊ฒฝ๋ จ์ œ, ๊ทธ๋ฆฌ๊ณ  ์นดํƒ€๋ฅด(Catarrh) ์˜ˆ๋ฐฉ ์น˜๋ฃŒ์ œ๋กœ ์‚ฌ์šฉ๋˜์–ด ์˜ค๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์‚ฌํ”„๋ž€ ์ถ”์ถœ๋ฌผ์—๋Š” ํ™œ์„ฑ ์„ฑ๋ถ„์ธ ํฌ๋กœ์นœ(Crocin)์ด ํ•จ์œ ๋˜์–ด ์žˆ์–ด ํ•ญ์‚ฐํ™” ๋ฐ ํ•ญ ํ˜ˆ์†ŒํŒ ํŠน์„ฑ์„ ๋‚˜ํƒ€๋‚ด๋ฉฐ, ์น˜๋งค์˜ ๋™๋ฌผ ๋ชจ๋ธ ์‹œํ—˜์—์„œ ํ•™์Šต๊ณผ ๊ธฐ์–ต์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค. ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž๋ฅผ ๋Œ€์ƒ์œผ๋กœ 22์ฃผ ๋™์•ˆ ์‹œํ–‰๋œ ์ด์ค‘ ๋งน๊ฒ€ ๋ฌด์ž‘์œ„ ์ž„์ƒ ์‹œํ—˜์—์„œ ์‚ฌํ”„๋ž€์„ ํ•˜๋ฃจ์— 30 mg ํˆฌ์•ฝํ•œ ์‹œํ—˜ ์ฐธ๊ฐ€์ž์™€ ์ฝœ๋ฆฐ์—์Šคํ…Œ๋ผ์•„์ œ ์–ต์ œ์ œ(Cholinesterase inhibitor) ์ธ ๋„๋„คํŽ˜์งˆ(Donepezil)์„ ํ•˜๋ฃจ 10mg ํˆฌ์—ฌํ•œ ์‹œํ—˜ ์ฐธ๊ฐ€์ž์˜ ์ธ์ง€ ๊ธฐ๋Šฅ์ด ํ–ฅ์ƒ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ด ์ค‘ ์‚ฌํ”„๋ž€์„ ํˆฌ์•ฝํ•œ ํ™˜์ž์˜ ๊ฒฝ์šฐ, ๋„๋„คํŽ˜์งˆ ํˆฌ์—ฌ ํ™˜์ž๋ณด๋‹ค ๋‚ด์•ฝ์„ฑ์ด ๋”์šฑ ์šฐ์ˆ˜ํ–ˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ, ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜ ํ™˜์ž๋ฅผ ๋Œ€์ƒ์œผ๋กœ 16์ฃผ ๋™์•ˆ ์‹œํ–‰๋œ ๋‹ค๋ฅธ ์ด์ค‘ ๋งน๊ฒ€ ์ž„์ƒ ์‹œํ—˜์—์„œ ์‚ฌํ”„๋ž€์„ ํˆฌ์—ฌํ•œ ํ™˜์ž๋Š” ์œ„์•ฝ์„ ํˆฌ์—ฌํ•œ ํ™˜์ž์— ๋น„ํ•ด ์ฆ์„ธ๊ฐ€ ์œ ์˜๋ฏธํ•˜๊ฒŒ ํ˜ธ์ „๋จ์„ ๋ณด์ด๊ธฐ๋„ ํ–ˆ์Šต๋‹ˆ๋‹ค.

์ฐจ(Camellia sinensis)๋Š” ๊ฑด๊ฐ•์„ ์œ„ํ•ด ๋„๋ฆฌ ์„ญ์ทจ๋˜๋Š” ์Œ๋ฃŒ๋กœ์„œ, ์—ํ”ผ๊ฐˆ๋กœ์นดํ…Œํ‚จ-3-๊ฐˆ๋ ˆํŠธ (Epigallocatechin-3-gallate, EGCG)๋ผ๋Š” ํ™œ์„ฑ ์„ฑ๋ถ„์ด ํ•จ์œ ๋˜์–ด ์žˆ์–ด, ํ•ญ์—ผ์ฆ ์ž‘์šฉ์„ ๋น„๋กฏํ•œ ์ž์œ  ์œ ๋ฆฌ๊ธฐ ์ œ๊ฑฐ ๋ฐ ๊ธฐํƒ€ ์ž‘์šฉ์„ ํ†ตํ•˜์—ฌ ์‹ ๊ฒฝ์„ ๋ณดํ˜ธํ•ด ์ค๋‹ˆ๋‹ค. ์ผ์ƒ์ƒํ™œ์—์„œ ์ฐจ๋ฅผ ์ž์ฃผ ๋งˆ์‹œ๋Š” ์‚ฌ๋žŒ์€ ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜์œผ๋กœ ๋ฐœ์ „๋  ์œ„ํ—˜์ด ๊ฐ์†Œํ•ฉ๋‹ˆ๋‹ค. ๋‘ ๊ฑด์˜ ์ „ํ–ฅ์  ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด ๋…ธ๋…„์— ๋…น์ฐจ๋ฅผ ์ •๊ธฐ์ ์œผ๋กœ ์Œ์šฉํ•˜๋Š” ์Šต๊ด€์ด ์ธ์ง€ ๊ธฐ๋Šฅ ์†์ƒ ์ €ํ•˜ ๋ฐ ์น˜๋งค์˜ ์œ„ํ—˜ ์ €ํ•˜์™€ ์—ฐ๊ด€์„ฑ์„ ๋ณด์˜€๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. 

๋‹จ์ผ ํ—ˆ๋ธŒ ์•ฝ์žฌ๋ฅผ ์ด์šฉํ•œ ์น˜๋งค ์น˜๋ฃŒ ํšจ๊ณผ์— ๋Œ€ํ•œ ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์—๋Š” ๊ฐœ๋ณ„ ์ž„์ƒ ์‹œํ—˜์˜ ๊ทœ๋ชจ๊ฐ€ ์ž‘๊ณ , ์—ฐ๊ตฌ ๊ธฐ๊ฐ„๋„ ์งง์œผ๋ฉฐ, ๋ฐฉ๋ฒ•๋ก ์  ํ•œ๊ณ„๊ฐ€ ์žˆ๋‹ค๋Š” ๋‹จ์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ, ๋‹จ์ผ ํ—ˆ๋ธŒ ์•ฝ์žฌ์˜ ๊ฒฝ์šฐ, ์ƒ์ฒด ํ™œ์„ฑ ์„ฑ๋ถ„์˜ ํ˜ˆ์žฅ ๋†๋„๊ฐ€ ๋„ˆ๋ฌด ๋‚ฎ์•„ ํšจ๊ณผ๋ฅผ ๋ฐœํœ˜ํ•˜๊ธฐ๊ฐ€ ์–ด๋ ต๋‹ค๋Š” ๋‹จ์ ์€, ๋ณต์ˆ˜์˜ ์ƒ์ฒด ํ™œ์„ฑ ์„ฑ๋ถ„์„ ํ†ตํ•ด ์ƒ์Šนํšจ๊ณผ๋ฅผ ๋…ธ๋ฆฌ๋Š” ๊ฒƒ์ด ์œ ์ตํ•  ๊ฒƒ์ด๋ผ๋Š” ์ ์„ ์‹œ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ, ์ค‘๊ตญ ์˜ํ•™๊ณผ ๊ธฐํƒ€ ๋™์–‘ ์˜ํ•™์—์„œ๋Š” ๋‹ค์–‘ํ•œ ํ—ˆ๋ธŒ ์•ฝ์žฌ๋ฅผ ์กฐํ•ฉํ•˜์—ฌ ๊ฐ๊ฐ์˜ ์ƒ์ฒด ํ™œ์„ฑ ์„ฑ๋ถ„์ด ์ƒ์Šน ํšจ๊ณผ๋ฅผ ํ†ตํ•ด ์•Œ์ธ ํ•˜์ด๋จธ ์งˆํ™˜์ด๋‚˜ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค์™€ ๊ฐ™์€ ๋ณต์žกํ•œ ๋ณ‘์ธ์˜ ์งˆ๋ณ‘์—๋„ ๋”์šฑ ๋†’์€ ํšจ๊ณผ๋ฅผ ๋ฐœํœ˜ํ•˜๋„๋ก ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ตœ๊ทผ์—๋Š” ์‹œ์Šคํ…œ ๊ฐ„ ๋ถ„์„(System-to-system analysis)์ด๋ผ๋Š” ์ƒˆ๋กœ์šด ์—ฐ๊ตฌ ๊ธฐ๋ฒ•์„ ์ด๋Ÿฌํ•œ ํ—ˆ๋ธŒ ์•ฝ์ œ ๊ฐ„์˜ ๋ณต์žกํ•œ ์ƒ์Šนํšจ๊ณผ์— ์ ์šฉํ•˜๋Š” ์ถ”์„ธ์ž…๋‹ˆ๋‹ค. 

๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ์˜ ์ „๋ง

ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ์น˜๋ฃŒ์— ๋„์›€์ด ๋Š” ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ์— ๋Œ€ํ•ด ์ด๋ฃจ์–ด์ง„ ์—ฐ๊ตฌ๋Š” ๊ฑฐ์˜ ์—†์Šต๋‹ˆ๋‹ค. ์ผ๋ถ€ ๊ธ์ •์ ์ธ ๊ฒฐ๊ณผ๊ฐ€ ๋ณด๊ณ ๋˜์–ด ์žˆ๊ธฐ๋Š” ์ง€๋งŒ, ์—ฐ๊ตฌ ๊ทœ๋ชจ๊ฐ€ ๋„ˆ๋ฌด ์ž‘๊ณ  ๋ฐฉ๋ฒ•๋ก ์ ์ธ ๊ฒฐํ•จ์ด ์žˆ์–ด, ๋ณด๊ณ ๋œ ๊ฒฐ๊ณผ์˜ ์˜๋ฏธ๋Š” ์ถ•์†Œ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 2012๋…„์— ๋ฐœํ‘œ๋œ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค์— ๋Œ€ํ•œ ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ ์—ฐ๊ตฌ์— ๋Œ€ํ•œ ์ฒด๊ณ„์  ๊ณ ์ฐฐ์— ๋”ฐ๋ฅด๋ฉด, ๋Œ€๋ถ€๋ถ„์˜ ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ๋Š” ๊ธฐ์กด์˜ ์•ฝ๋ฌผ์ด๋‚˜ ์œ„์•ฝ๋ณด๋‹ค ์œ ์˜๋ฏธํ•œ ์น˜๋ฃŒ ํšจ๊ณผ๋ฅผ ๋ณด์ธ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ํ—ˆ๋ธŒ ์•ฝ์ฒด๋ฅผ ๊ธฐ์กด์˜ ์•ฝ๋ฌผ์น˜๋ฃŒ์™€ ๋ณ‘์šฉํ•œ 4๊ฑด์˜ ์—ฐ๊ตฌ์—์„œ๋Š” ๊ธฐ์กด์˜ ์•ฝ๋ฌผ๋งŒ์„ ๋‹จ๋…์œผ๋กœ ํˆฌ์—ฌํ•œ ๊ฒฝ์šฐ๋ณด๋‹ค ์ธ์ง€ ๊ธฐ๋Šฅ ํ–ฅ์ƒ ๋ฉด์—์„œ ์›”๋“ฑํžˆ ์šฐ์ˆ˜ํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋ณด์˜€์œผ๋‚˜, ๋ฐฉ๋ฒ•๋ก ์  ๊ฒฐํ•จ์œผ๋กœ ์ธํ•ด ์ด๋Ÿฌํ•œ ๊ฒฐ๊ณผ์˜ ์˜๋ฏธ๊ฐ€ ํฌ๊ฒŒ ํ‡ด์ƒ‰๋œ ๋ฐ” ์žˆ์Šต๋‹ˆ๋‹ค. ๋ณด๋‹ค ์ตœ๊ทผ์— ์‹ค์‹œ๋œ ๋ฉ”ํƒ€ ๋ถ„์„์—๋Š” (์ค‘๊ตญ์—์„œ ์‹œํ–‰๋˜์—ˆ๋˜) ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž์— ๋Œ€ํ•œ 24๊ฑด์˜ ๋ฌด์ž‘์œ„ ์ž„์ƒ ์‹œํ—˜ ๊ฒฐ๊ณผ๋„ ๊ฒ€ํ† ํ•˜์˜€์Šต๋‹ˆ๋‹ค. ์ด ์—ฐ๊ตฌ์—์„œ ์‹œํ–‰๋œ ํ•˜์œ„ ์ง‘๋‹จ ๋ถ„์„ ๊ฒฐ๊ณผ, ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ๊ฐ€ (10๊ฑด์˜ ์—ฐ๊ตฌ์—์„œ) ํ”ผ๋ผ์„ธํƒ(Piracetam)๋ณด๋‹ค ์œ ์˜๋ฏธํ•œ ์ธ์ง€ ๊ธฐ๋Šฅ์˜ ํ–ฅ์ƒ์„ ๋ณด์˜€๊ณ , (3๊ฑด์˜ ์—ฐ๊ตฌ์—์„œ) ์œ„์•ฝ๋ณด๋‹ค ์›”๋“ฑํ•œ ์ธ์ง€ ๊ธฐ๋Šฅ์˜ ํ–ฅ์ƒ์„ ๋ณด์˜€์Šต๋‹ˆ๋‹ค. ํ—ˆ๋ธŒ ์•ฝ์žฌ๋ฅผ ์ด์šฉํ•œ ์น˜๋ฃŒ๋ฅผ ๋ฐ›๋Š” ์‚ฌ๋žŒ๋“ค์€ ํ”ผ๋ผ์„ธํƒ ์น˜๋ฃŒ๋ฅผ ๋ฐ›๋Š” ์‚ฌ๋žŒ๋“ค์— ๋น„ํ•ด ์ผ์ƒ์ƒํ™œ ํ™œ๋™์ด ํฌ๊ฒŒ ํ–ฅ์ƒ๋˜๋Š” ๊ฒƒ์„ ๊ฒฝํ—˜ํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ์œ„์˜ ๋‹ค๋ฅธ ์—ฐ๊ตฌ์—์„œ์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ, ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์˜ ์ค‘์š”์„ฑ์€ ๋ฐฉ๋ฒ•๋ก ์  ๊ฒฐํ•จ์œผ๋กœ ์ธํ•ด ๊ทธ ์˜๋ฏธ๊ฐ€ ์ถ•์†Œ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.  

ํ˜ˆ๊ด€์„ฑ ์น˜๋งค์— ์ข‹์€ ๋ณตํ•ฉ ํ—ˆ๋ธŒ ๊ฐœ๋ฐœ์„ ์œ„ํ•œ ์ง€์†์ ์ธ ๋…ธ๋ ฅ

์œ„์™€ ๊ฐ™์€ 10๋…„ ์ด์ƒ์˜ ์—ฐ๊ตฌ์— ๋ถ€์‘ํ•˜์—ฌ ์ค‘๊ตญ ์˜๊ณผํ•™ ์•„์นด๋ฐ๋ฏธ(Academy of Chinese Medical Sciences)์™€ ์›จ์Šคํ„ด ์‹œ๋“œ๋‹ˆ ๋Œ€ํ•™ (Western Sydney University)์€ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ์น˜๋ฃŒ๋ฅผ ์œ„ํ•œ ํ‘œ์ค€ํ™”๋œ ๋ณตํ•ฉ ํ—ˆ๋ธŒ ์•ฝ์ œ ๊ฐœ๋ฐœ์„ ์œ„ํ•œ ๊ณต๋™ ์—ฐ๊ตฌ๋ฅผ ๊ณ„์†ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ด์— ๋”ฐ๋ผ ๊ฐœ๋ฐœ๋œ SLT๋ผ๋Š” ์ œํ˜•์—๋Š”  ์€ํ–‰(Ginkgo biloba)์ธ์‚ผ(Panax ginseng), and ์‚ฌํ”„๋ž€(Crocus sativus) ์ถ”์ถœ๋ฌผ์˜ ํ‘œ์ค€ํ™”๋œ ์ œ์ œ๊ฐ€ ํ•จ์œ ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.extracts. 

์ด๋Ÿฌํ•œ ์ƒ๋ฆฌ ํ™œ์„ฑ ์„ฑ๋ถ„์˜ ์ตœ์  ๋น„์œจ๊ณผ SLT์˜ ์ตœ์  ์šฉ๋Ÿ‰์€ ์ผ๋ จ์˜ ๋™๋ฌผ ์—ฐ๊ตฌ๋ฅผ ํ†ตํ•ด ๊ฒฐ์ •๋˜์—ˆ์Šต๋‹ˆ๋‹ค. SLT์˜ ์ „์ž„์ƒ ์‹œํ—˜์€ ์น˜๋งค ๋™๋ฌผ์˜ ํ•™์Šต ๋Šฅ๋ ฅ๊ณผ ๊ธฐ์–ต๋ ฅ, ์‹ ๊ฒฝ ๋ณ‘๋ฆฌํ•™ ์ง€ํ‘œ ๋ฐ ํ•ญ์‚ฐํ™”์ œ ์— ์žˆ์–ด ์ฆ์ƒ์ด ์œ ์˜๋ฏธํ•˜๊ฒŒ ๊ฐœ์„ ๋˜๋Š” ๊ฒฐ๊ณผ๋ฅผ ๋ณด์˜€์Šต๋‹ˆ๋‹ค. ํ•„์ž๊ฐ€ ์ด ๋ธ”๋กœ๊ทธ๋ฅผ ์ž‘์„ฑํ•˜๋Š” ์‹œ์ ์—์„œ๋Š” ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž์— ๋Œ€ํ•œ ํšจ๋ ฅ์„ ์ž…์ฆํ•˜๊ธฐ ์œ„ํ•œ ๋Œ€๊ทœ๋ชจ์˜ 3๋‹จ๊ณ„(Phase III) ์‹œํ—˜์ด ์ง„ํ–‰๋˜๊ณ  ์žˆ๋Š” ์ค‘์ž…๋‹ˆ๋‹ค. ์ „์ž„์ƒ ์‹œํ—˜ ๋‹จ๊ณ„๋ถ€ํ„ฐ ๋ˆ„์ ๋œ ๊ฒฐ๊ณผ์— ๋”ฐ๋ฅด๋ฉด STL์—๋Š” ๊ตญ์†Œ ๋‘๋‡Œ ํ—ˆํ˜ˆ/์žฌ๊ด€๋ฅ˜ ์†์ƒ, ํ˜ˆ์†ŒํŒ ์‘์ง‘ ๊ฐ์†Œ ๋ฐ ์ž์œ  ์œ ๋ฆฌ๊ธฐ(Free radical) ์ œ๊ฑฐ ๋Šฅ๋ ฅ ์ฆ์ง„ ๋“ฑ ๋‡Œํ˜ˆ๊ด€ ๊ณ„ํ†ต์— ๋‹ค์–‘ํ•œ ํšจ๋Šฅ์„ ๋ฐœํœ˜ํ•ฉ๋‹ˆ๋‹ค. 

SLT ์น˜๋ฃŒ๋‚˜ ์œ„์•ฝ ์น˜๋ฃŒ๋ฅผ ๋ฐ›๋Š” ์‚ฌ๋žŒ๋“ค์ด ๊ฒฝํ—˜ํ•˜๋Š” ๋ถ€์ž‘์šฉ์€ ๋™์ผํ•ฉ๋‹ˆ๋‹ค. ์†Œ๊ทœ๋ชจ๋กœ ์ง„ํ–‰๋˜๋Š” 1์ฃผ๊ฐ„์˜ RCT์—์„œ๋Š” ๋ฌด์ž‘์œ„์  ์„ ํƒ์— ๋”ฐ๋ผ SLT๋ฅผ ํˆฌ์•ฝํ•œ ๊ฑด๊ฐ•ํ•œ ์„ฑ์ธ๋„ ์ž‘์—… ๊ธฐ์–ต๋ ฅ์ด ํ–ฅ์ƒ๋˜๋Š” ๊ฒฐ๊ณผ๋ฅผ ๋ณด์˜€์Šต๋‹ˆ๋‹ค. ์†Œ๊ทœ๋ชจ๋กœ ์ด๋ฃจ์–ด์ง„ 2๋‹จ๊ณ„(Phase II) ์—ฐ๊ตฌ์—์„œ ๋ฌด์ž‘์œ„๋กœ SLT๋ฅผ ํˆฌ์—ฌ๋ฐ›๋Š” ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ํ™˜์ž๋“ค์€ ์ธ์ง€ ๊ธฐ๋Šฅ์ด ์œ ์˜๋ฏธํ•˜๊ฒŒ ์ฆ์ง„๋˜์—ˆ์œผ๋ฉฐ, ์ผ๋ถ€๋Š” ๊ธฐ์–ต๋ ฅ๊ณผ ์ฒญ๊ฐ ๋ฐ ์–ธ์–ด ์ฒ˜๋ฆฌ์™€ ๊ด€๋ จ๋œ ๋‡Œ ์˜์—ญ์—์„œ ํ˜ˆ๋ฅ˜ ์ฆ๊ฐ€๋ฅผ ๋ณด์—ฌ์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค. ํ˜ˆ๊ด€์„ฑ ์น˜๋งค ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ๋Š” 325๋ช…์˜ ํ™˜์ž๋ฅผ ๋Œ€์ƒ์œผ๋กœ ๋‘ ๋ฒˆ์งธ ์‹ค์‹œํ•œ 12 ๊ฐœ์›”๊ฐ„์˜ 2๋‹จ๊ณ„(Phase II) ์—ฐ๊ตฌ์—์„œ๋„ ์œ ์‚ฌํ•œ ์ธ์ง€ ๊ธฐ๋Šฅ ํ–ฅ์ƒ์ด ๋ฐœ๊ฒฌ๋˜์—ˆ์œผ๋‚˜, SLT์™€ ๊ด€๋ จ๋œ ์‹ฌ๊ฐํ•œ ๋ถ€์ž‘์šฉ์€ ๋ณด๊ณ ๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ํ•„์ž๊ฐ€ ์ด ๋ธ”๋กœ๊ทธ๋ฅผ ์ž‘์„ฑํ•˜๋Š” ์‹œ์ ์—์„œ๋Š” ์—ฌ๋Ÿฌ ๊ธฐ๊ด€์ด ๋™์‹œ์— ์ฐธ์—ฌํ•˜๋Š” 3๋‹จ๊ณ„(Phase III) ์ž„์ƒ ์‹œํ—˜์ด ์ง„ํ–‰ ์ค‘์ž…๋‹ˆ๋‹ค. 3๋‹จ๊ณ„ ์‹œํ—˜์„ ํ†ตํ•ด ํšจ๊ณผ๊ฐ€ ํ™•์ธ๋˜๊ณ  ์žˆ๋Š” ๊ฐ€์šด๋ฐ, SLT๋Š” ํšจ๊ณผ์ ์ธ ์น˜๋ฃŒ ๋ฐฉ๋ฒ•์ด ๋šœ๋ ทํ•˜์ง€ ์•Š์€ ์‹ ๊ฒฝ ํ‡ดํ–‰์„ฑ ์งˆํ™˜์ธ ํ˜ˆ๊ด€์„ฑ ์น˜๋งค(VsD)๋ฅผ ์น˜๋ฃŒํ•  ์ˆ˜ ์žˆ๋„๋ก ํšจ๊ณผ๊ฐ€ ์ž…์ฆ๋œ ์ƒˆ๋กœ์šด ์น˜๋ฃŒ์ œ๋กœ ๋– ์˜ค๋ฅด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. 

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