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폴록사머 및 프로필렌글리콜을 이용한 클로트리마졸 고형 좌제의 물리화학적 특성
현경희,오유경,김정애,공경환,김지현,양준호,배명수,김호동,이종달,장현욱,용철순,최한곤 한국약제학회 2005 Journal of Pharmaceutical Investigation Vol.35 No.2
To develop a clotrimazole-loaded solid suppository with poloxamer and propylene glycol, the melting points of various formulations composed of poloxamer 188 (P 188) and propylene glycol were investigated. The dissolution study of clotrimazole delivered by the suppository composed of P 188 and propylene glycol was performed. The mixtures composed of P 188 and propylene glycol were homogeneous. Propylene glycol affected the melting points of poloxamer mixtures. In particular, the mixture [P 188/propylene glycol (70/30%)] with the melting point of about 32°C was a solid form at room temperature and instantly melted at physiological temperature. Furthermore, propylene glycol affected greatly the dissolution rates of clotrimazole from the suppository. Dissolution mechanism analysis showed the dissolution of clotrimazole was proportional to the time. Our results indicated that the solid suppository with P 188 and propylene glycol would be a candidate of rectal dosage form for clotrimazole.
Han, Bao-Lin,Xu, Xiang-Ying,Zhang, Chun-Zhi,Wu, Jian-Juan,Han, Chun-Feng,Wang, Hui,Wang, Xuan,Wang, Guang-Shun,Yang, Shu-Juan,Xie, Yao Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.6
Objective: To conduct a meta-analysis to investigate the value of EBV DNA in diagnosis of nasopharyngeal cancer (NPC) in Asian populations, and provide important evidence for screening. Methods: Prospective or respective case-control or cohort studies regarding the detection role of EBV DNA for NPC were included in our study. We conducted a comprehensive literature search in PubMed, EMBASE, and the Chinese Biomedical Database (CBM database between January 1980 and March 2012. Results: A total of 18 studies with 1492 NPC cases and 2641 health controls were included. Almost of the included studies were conducted in China, and only one other conducted in Thailand. The overall results demonstrated that the pooled sensitivity, specificity, positive likelihood (+LR) and negative likelihood (-LR) were 0.73 (0.71-0.75), 0.89 (0.88-0.90), 8.84 (5.65-13.84) and 0.19(0.11-0.32), respectively. The overall EBV DNA detection showed the largest area of 0.932 under the summary receiver operator curve (SROC). The accuracy of detection by plasma for NPC (0.86) was higher than in serum (0.81), with largest areas under the SROC of 0.97 and 0.91, respectively. Conclusion: Our results demonstrated the EBV DNA detection in plasma or serum has high sensitivity and specificity in diagnosis of NPC, especially in Chinese populations with a high risk of cancer.
Xuan, Z.N.,Kim, J.D.,Lee, J.H.,Han, Y.K.,Park, K.M.,Han, In K. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.2
This study was conducted to investigate the effect of supplemented enzyme complex on growth performance and nutrient digestibility in pigs weaned at 14 days of age. Eighty pigs ($4.02{\pm}0.11kg$ of average body weight) were allotted in a completely randomized block design. Treatments were as follows: 1) control (negative), 2) control (positive, $Kemzyme^{(R)}$), 3) 0.1%, 4) 0.2% and 5) 0.3% of newly developed enzyme complex. Each treatment has 4 replicates with 4 pigs per replicate. During phase I period (d 0 to 14), ADG and ADFI were numerically higher in pigs fed diets supplemented enzyme complex regardless of their inclusion levels compared to pigs fed control (negative) diet. Feed/gain (F/G) was also better in pigs fed enzyme complex diet than that of pigs fed control (negative) diet. In addition, with increasing the inclusion level of enzyme complex, ADG and ADFI were improved. However, there was no significant difference between treatment in all growth parameters. During phase II period (d 15 to 28), ADG, ADFI and F/G showed the same tendency as in phase I period. For overall period (d 0 to 28) ADG was highest in pigs fed diet included 0.2% enzyme complex in all treatments but not significantly different. During phase I period, the digestibilities of all nutrients did not showed any significant difference between treatments. However, pigs fed diet contained enzyme complex and positive control diet (Kemzyme) showed numerically higher nutrient digestibilities in all nutrients than pigs fed negative control diet. During phase II period, data were consistent with those observed in phase I period. Especially, the digestibility of phosphorus was significantly higher in pigs fed diets contained enzyme complex including phytase than pigs fed control (negative and positive) diets (p<0.05). For overall experimental period, fecal or ileal amino acid digestibility were not affected by dietary treatment. Enzyme complex newly developed and used in this study can be possibly recommended as a growth promoter when supplemented in diet for early weaned piglets.
Study on the Development of a Probiotics Complex for Weaned Pigs
Xuan, Z.N.,Kim, J.D.,Heo, K.N.,Jung, H.J.,Lee, J.H.,Han, Y.K.,Kim, Y.Y.,Han, In K. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.10
This study was conducted to investigate the effects of supplementation of a probiotics complex on growth performance, nutrient digestibility, diarrhea score and microbial population in pigs weaned at 21 days of age. Treatments were 1) control A (0.2% antibiotics, Avilamycin), 2) control B (0.1 % $Ractocom^{(R)}$), 3) 0.1%, 4) 0.2% and 5) 0.3% probiotics complex; 80 pigs were used and each treatment had 4 replicates with 4 pigs per replicate (16 pigs per treatment). During phase I period (d 0 to 14), although there was no significant difference, pigs fed control B diet showed higher ADG (average daily gain) and better F/G (feed/gain) than any other treatments. During late experimental period (d 15 to 28), pigs fed diet supplemented with 0.2% probiotics complex showed slightly higher ADG. Overall (d 0 to 28) the diet that contained 0.2% probiotics complex gave slightly higher ADG and ADFI (average daily feed intake) than the other diets. In a metabolic trial using 20 piglets, nutrient digestibility showed the best results in pigs fed 0.2% probiotics complex diet, but not significantly different from other groups. Diarrhea score and microbial population status in intestine, colon and feces were not affected by dietary treatments. In conclusion, this study suggested that a newly developed probiotics complex can replace antibiotics in weaned pigs.
A Novel Clotrimazole-Ioaded Suppository with Effective Anti-tumor Activity
Xuan, Jing Ji,Kim, Jong-Tae,Oh, Dong-Hoon,Han, Hong-Hee,Lee, Won-Seok,Lee, Jong-Sook,Rhee, Jong-Dal,Yong, Chul-Soon,Woo, Jong-Soo,Kim, Jung-Ae,Choi, Han-Gon The Korean Society of Pharmaceutical Sciences and 2008 Journal of Pharmaceutical Investigation Vol.38 No.5
To develop a poloxamer-based solid suppository with poloxamer and polyethylene glycol mixtures, the melting point of various formulations composed of P 188 and propylene glycol were investigated. The dissolution and antitumor activity of clotrimazole delivered by the poloxamer-based suppository were performed. The poloxamer mixtures composed of P 188 and propylene glycol were homogeneous phases. P 188 greatly affected the melting point of poloxamer mixtures. In particular, the poloxamer mixture [P 188/propylene glycol(70/30%)] with the melting point of about $32^{\circ}C$ was a solid form at room temperature and instantly melted at physiological temperature. Furthermore, the ratio of P 188/propylene glycol greatly affected the dissolution rates of clotrimazole from poloxamer-based suppository. It gave the more effective anti-tumor activity than conventional PEG-based suppository due to fast dissolution. Thus, the clotrimazole-Ioaded poloxamer-based solid suppository was an effective rectal dosage form with anti-tumor activity.
Life Science : A Novel Clotrimazole-Loaded Suppository with Effective Anti-tumor Activity
( Jing Ji Xuan ),( Jong Tae Kim ),( Dong Hoon Oh ),( Hong Hee Han ),( Won Seok Lee ),( Jong Sook Lee ),( Jong Dal Rhee ),( Chul Soon Yong ),( Jong Soo Woo ),( Jung Ae Kim ),( Han Gon Choi ) 영남대학교 약품개발연구소 2009 영남대학교 약품개발연구소 연구업적집 Vol.19 No.-
A Novel Clotrimazole-Loaded Suppository with Effective Anti-tumor Activity
( Jing Ji Xuan ),( Jong Tae Kim ),( Dong Hoon Oh ),( Hong Hee Han ),( Won Seok Lee ),( Jong Sook Lee ),( Jong Dal Rhee ),( Chul Soon Yong ),( Jong Soo Woo ),( Jung Ae Kim ),( Han Gon Choi ) 한국약제학회 2008 Journal of Pharmaceutical Investigation Vol.38 No.5