KR20230039172A - 만성창상 치료용 양막 함유 창상피복재 조성물 - Google Patents
만성창상 치료용 양막 함유 창상피복재 조성물 Download PDFInfo
- Publication number
- KR20230039172A KR20230039172A KR1020210122145A KR20210122145A KR20230039172A KR 20230039172 A KR20230039172 A KR 20230039172A KR 1020210122145 A KR1020210122145 A KR 1020210122145A KR 20210122145 A KR20210122145 A KR 20210122145A KR 20230039172 A KR20230039172 A KR 20230039172A
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- KR
- South Korea
- Prior art keywords
- amnion
- wound dressing
- amniotic membrane
- cross
- linked
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 claims abstract description 13
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Images
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
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Abstract
Description
도 2는 당뇨병 모델을 제조하는 과정을 통해 혈당이 올라간 상태를 나타내는 사진이다.
도 3은 만성창상을 유발한 당뇨병 모델 동물의 혈당과 몸무게 변화를 나타내는 그래프이다.
도 4는 당뇨병 모델 동물의 창상 유발, 창상 피복재 제품 부착, 거즈 처치 과정을 나타내는 사진이다.
도 5는 당뇨병 모델 동물의 창상 유발 후 각 제조 조건별 창상 피복재 제품을 부착한 날짜별 상처의 사진을 나타낸다.
도 6은 당뇨병 모델 동물의 창상 유발 후 각 제조 조건별 창상 피복재 제품을 부착한 날짜별 상처의 면적을 나타낸다.
동결 전 창상 피복재 조성물 | 중량% | ||||
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | |
가교처리된 양막 | 0.5 | 0.5 | 0.5 | 0.4 | 0.6 |
글리세린 | 0.18 | 0.21 | 0.17 | 0.18 | 0.18 |
HA(hyaluronic acid) | 0.09 | 0.07 | 0.08 | 0.09 | 0.09 |
CMC (carboxymethyl cellulose) | 0.02 | 0.01 | 0.04 | 0.02 | 0.02 |
정제수 | 잔량 | 잔량 | 잔량 | 잔량 | 잔량 |
총 중량 | 100 | 100 | 100 | 100 | 100 |
창상피복재 조성물 동결 후 | 중량부 | ||||
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | |
가교처리 양막 | 100 | 100 | 100 | 100 | 100 |
글리세린 | 36 | 42 | 34 | 45 | 30 |
HA | 18 | 14 | 16 | 22.5 | 15 |
CMC | 4 | 2 | 8 | 5 | 3.33 |
총 중량 | 158 | 158 | 158 | 172.5 | 148.33 |
동결 전 창상피복재 조성물 |
중량% | ||||||
비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 | 비교예 7 | |
가교처리 양막 | 0.7 | 1 | 0 | 0 | 0 | 0.3 | 0.5 |
비가교처리 양막 | 0 | 0 | 0.5 | 0.7 | 1 | 0 | 0 |
글리세린 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 | 0.23 |
HA | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.05 |
CMC | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 |
정제수 | 잔량 | 잔량 | 잔량 | 잔량 | 잔량 | 잔량 | 잔량 |
총 중량 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
창상피복재 조성물 동결 후 |
중량부 | ||||||
비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 | 비교예 7 | |
가교처리 양막 | 100 | 100 | 0 | 0 | 0 | 100 | 100 |
비가교처리 양막 |
0 | 0 | 100 | 100 | 100 | 0 | 0 |
글리세린 | 25.71 | 18 | 36 | 25.71 | 18 | 60 | 46 |
HA | 12.86 | 9 | 18 | 12.86 | 9 | 30 | 10 |
CMC | 2.86 | 2 | 4 | 2.86 | 2 | 6.67 | 2 |
총 중량 | 141.43 | 129 | 158 | 141.43 | 129 | 196.67 | 158 |
Proportion of initial wound size (%) | ||||||
Day 4 | Day 7 | Day 10 | ||||
개체수 | Mean±SD | 개체수 | Mean±SD | 개체수 | Mean±SD | |
대조군 | 3 | 56.6±31.4 | 3 | 39.8±1.7 | 3 | 27.5±1.4 |
실시예 1 (Sample 1) |
3 | 47.6±16.5 | 3 | 27.1±6.9 | 3 | 18.5±5.7 |
실시예 2 | 3 | 45.5±5.2 | 3 | 25.2±4.5 | 3 | 17.3±3.5 |
실시예 3 | 3 | 44.2±8.3 | 3 | 27.3±5.9 | 3 | 16.8±6.3 |
실시예 4 | 3 | 43.3±4.1 | 3 | 26.6±3.2 | 3 | 15.2±8.4 |
실시예 5 | 3 | 42.4±4.0 | 3 | 27.0±4.2 | 3 | 18.0±5.3 |
비교예 1 (Sample 2) |
3 | 49.7±12.9 | 3 | 41.6±16.0 | 3 | 27.2±7.5 |
비교예 2 (Sample 3) |
3 | 52.2±9.2 | 3 | 30.7±1.4 | 3 | 19.5±0.7 |
비교예 3 (Sample 4) |
3 | 52.0±3.7 | 3 | 35.3±2.6 | 3 | 23.0±0.2 |
비교예 4 (Sample 5) |
3 | 52.0±8.9 | 3 | 37.9±5.1 | 3 | 23.7±7.5 |
비교예 5 (Sample 6) |
3 | 53.8±7.2 | 3 | 32.9±1.1 | 3 | 23.4±8.2 |
비교예 6 | 3 | 53.2±2.3 | 3 | 35.3±3.2 | 3 | 24.3±2.4 |
비교예 7 | 3 | 55.3±6.0 | 3 | 34.2±5.2 | 3 | 22.3±3.1 |
Proportion of initial wound size (%) | ||||||
Day 4 | Day 7 | Day 10 | ||||
개체수 | Mean±SD | 개체수 | Mean±SD | 개체수 | Mean±SD | |
대조군 | 6 | 87.4±18.8 | 6 | 66.6±18.8 | 6 | 47.6±9.6 |
실시예 1 | 6 | 84.1±11.5 | 6 | 59.4±23.6 | 6 | 39.7±3.8 |
SDS 처리 | EDTA 처리 | 아프로티닌 처리 | |
비교제조예 1 | x | x | x |
비교제조예 2 | o | o | x |
비교제조예 3 | x | o | o |
비교제조예 4 | o | x | o |
비교제조예 5 | o | x | x |
비교제조예 6 | x | o | x |
비교제조예 7 | x | x | o |
창상피복재 중의 양막 원료 | 10일 후 창상 면적 (%) |
대조군 | 86.3 |
제조예 1 | 19.8 |
비교제조예 1 | 54.4 |
비교제조예 2 | 53.2 |
비교제조예 3 | 45.5 |
비교제조예 4 | 49.6 |
비교제조예 5 | 44.3 |
비교제조예 6 | 45.4 |
비교제조예 7 | 43.5 |
비교제조예 8 | 39.2 |
비교제조예 9 | 53.5 |
비교제조예 10 | 56.2 |
비교제조예 11 | 62.0 |
Claims (5)
- 가교처리된 양막, 글리세린, 히알루론산 및 카르복시메틸 셀룰로오즈를 포함하는 것을 특징으로 하는 만성창상 치료용 양막 함유 창상피복재 조성물.
- 제1항에 있어서,
상기 가교처리된 양막은 SDS(Sodium Dodecyl Sulfate), EDTA(ethylene-diamine-tetraacetic acid) 및 아프로티닌(Aprotinin)이 순차적으로 처리되고 1,3 카보디이미드(carbodiimide)로 가교처리된 것을 특징으로 하는 만성창상 치료용 양막 함유 창상피복재 조성물. - 제1항에 있어서,
상기 조성물은 메티실린 내성 스트렙스코커스 아우레우스 감염에 대한 저항성이 있는 것을 특징으로 하는 만성창상 치료용 양막 함유 창상피복재 조성물. - 가교처리된 양막, 글리세린, 히알루론산, 카르복시메틸 셀룰로오즈에 정제수를 혼합하여 혼합 조성물을 제조하는 단계; 겔 형태로 경화된 혼합 조성물을 3중 레이어 상태가 되도록 적층하는 단계; 3중 레이어 겔을 동결건조하는 단계;를 통해 제조되는 것을 특징으로 하는 제1항의 창상피복재 조성물의 제조방법.
- 제4항에 있어서,
상기 가교처리된 양막은, (A단계) 태반으로부터 양막을 분리하는 단계;
(B단계) 양막을 멸균된 PBS(Phosphate-buffered saline)에 세척하고, PBS에 10~15시간 동안 양막을 침지한 후 정제수로 세척하는 단계;
(C단계) 세척한 양막을 SDS(Sodium Dodecyl Sulfate) 수용액에 처리하는 단계;
(D단계) SDS 처리된 양막을 EDTA(ethylene-diamine-tetraacetic acid) 수용액에 처리하는 단계; 및
(E단계) EDTA 처리된 양막을 아프로티닌(Aprotinin) 수용액에 반응하고, PBS로 세척하는 단계; 및
(F단계) 아프로티닌 처리후 세척한 양막을 동결건조하고, 동결건조한 양막을 1,3 카보디이미드(carbodiimide) 수용액에 반응하여 가교처리하고, Na2HPO4(pH 9.0~9.2)로 세척하는 단계;
를 포함하여 제조되는 것을 특징으로 하는 창상피복재 조성물의 제조방법.
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US20140052247A1 (en) * | 2012-08-15 | 2014-02-20 | Mimedx Group, Inc. | Placental tissue grafts modified with a cross-linking agent and methods of making and using the same |
KR20170075747A (ko) | 2014-10-02 | 2017-07-03 | 웨이크 포리스트 유니버시티 헬스 사이언시즈 | 양막 분말 및 상처 치유 및 조직 공학 구축물에서의 그의 용도 |
KR101979286B1 (ko) | 2018-05-17 | 2019-05-15 | 경북대학교병원 | 부분 경화된 콘택트렌즈형 양막 드레싱 및 이의 제조방법 |
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US20140052247A1 (en) * | 2012-08-15 | 2014-02-20 | Mimedx Group, Inc. | Placental tissue grafts modified with a cross-linking agent and methods of making and using the same |
KR20170075747A (ko) | 2014-10-02 | 2017-07-03 | 웨이크 포리스트 유니버시티 헬스 사이언시즈 | 양막 분말 및 상처 치유 및 조직 공학 구축물에서의 그의 용도 |
KR101979286B1 (ko) | 2018-05-17 | 2019-05-15 | 경북대학교병원 | 부분 경화된 콘택트렌즈형 양막 드레싱 및 이의 제조방법 |
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