¾àÇ°¸í |
Topamax¨Þ
C |
¼ººÐ¸í |
Topiramate 25mg
|
¾à¸®ÀÛ¿ë |
a. prolonged inactivation
of Na+ channels
b. potentiation of the effect of GABA on Cl-channels
(GABAA receptors)
; üÁß°¨¼Ò¿äÀÎ
c. reduction of the influence of excitatory
amino acid neurotransmitters
(AMPA/KA)
d. inhibition of carbonic anhydrase (CA-¥±and
CA-¥³)
e. ´ë»çÀ² ³·¾Æ ´Ù¸¥ ¾à¹° ƯÈ÷ ADES¿Í »óÈ£ÀÛ¿ë °¡´É¼º
¡é |
|
|
¾à
µ¿
ÇÐ |
Tmax
|
2hrs |
PB |
13~17% |
T1/2
|
21hrs |
°£´ë»ç |
minimal(20%, enzyme
inducing Ç×Àü°£Á¦ º´¿ë½Ã 50%) |
¹è¼³ |
urinary recovery
of unchanged drug ¡Ö70% |
BA |
¡Ã80%(À½½Ä¹°ÀÇ ¿µÇâÀ» ¹ÞÁö
¾ÊÀ½) |
ÀûÀÀÁõ |
a. °£Áú -
6¼¼ ÀÌ»óÀÇ ¼Ò¾Æ ¹× ¼ºÀο¡¼ÀÇ 2Â÷¼º Àü½Å ¹ßÀÛÀ» µ¿¹ÝÇϰųª µ¿¹ÝÇÏÁö ¾Ê´Â ºÎºÐ¹ßÀÛ
Ä¡·á - ºÎ°¡¿ä¹ý : ±âÁ¸ 1Â÷ Àü°£Á¦ Åõ¿©·Î ÀûÀýÇÏ°Ô Á¶ÀýµÇÁö ¾Ê´Â
2¼¼ ÀÌ»óÀÇ ¼Ò¾Æ ¹× ¼ºÀο¡°Ô¼ ´ÙÀ½ Áúȯ¿¡ »ç¿ë ¡¤
2Â÷¼º Àü½Å¹ßÀÛÀ» µ¿¹ÝÇϰųª µ¿¹ÝÇÏÁö ¾Ê´Â ºÎºÐ ¹ßÀÛ ¡¤
·¹³ì½º-°¡½ºÅä ÁõÈıº°ú °ü·ÃµÈ ¹ßÀÛ ¡¤
1Â÷¼º °Á÷¼º/°£´ë¼º Àü½Å¹ßÀÛ
b . ÆíµÎÅë ¿¹¹æ |
¿ë¹ý |
³ªÀÌ |
°£Áú |
ÆíµÎÅë
¿¹¹æ |
´Üµ¶¿ä¹ý
(6¼¼ ÀÌ»ó) |
ºÎ°¡¿ä¹ý |
¼ºÀÎ (17¼¼ ÀÌ»ó) |
ID : 25mg qd evening
MD : 100~200mg/day (#2)
max : 500mg/d (Àç¹ß½Ã 1000/d) |
ÃÖ¼ÒÀ¯È¿·® :
200mg/day
200~400m # 2
800mg/day |
25mg qd evening
100mg # 2
200mg/day |
¼Ò¾Æ (2~7¼¼) |
ID : 0.5~1mg/kg qd evening
MD : 3~6mg/kg/day (ºÎºÐ¹ßÀÛÀΰæ¿ì)
max : 500mg/day |
1~3mg/kg/day qd evening
5~9mg/kg # 2
30mg/kg/day |
|
ºÎÀÛ¿ë |
ÇÇ·Î, ÈäÅë, Á¹À½, ¾îÁö·¯¿ò
(dizziness), ¿îµ¿½ÇÁ¶, ¸»¼Ò¸® Àå¾Ö (speech), ÀνÄÀå¾Ö, ½Å°á¼®, ÁÖÀǷ°áÇÌ
µî
ÁÖÀÇ : ½Å°á¼® ¼ÒÀÎȯÀÚ´Â ½Å°á¼® Çü¼º À§Ç輺 Áõ°¡¡æ¹°Òýëæ
½ÅÀå¼Õ»óȯÀÚ´Â Css µµ´Þ¿¡ ¸¹Àº ½Ã°£ÀÌ ¼Ò¿ä °¡´É¼º |
¾à¹°
»óÈ£
ÀÛ¿ë |
concomitant
AED |
AED Conc. |
TPM Conc. |
Phenytoin
Carbamazepine(CBZ)
CBZ epoxide
Valproate
Phenobarbital
Primidine
Digoxin |
0~25%¡è
¡è¡é(10%¹Ì¸¸ º¯È)
¡è¡é
11%¡é
¡è¡é
¡è¡é
DGX AUC 12%¡é |
48%¡é
40%¡é
?
14%¡é
?
? |
±Ý±â |
º»Á¦¿¡ °ú¹ÎÀÚ |
º¸Çè°¡ |
675¿ø/Á¤ (Çѱ¹¾á¼¾) |