»óÇ°¸í |
Allegra¨Þ
tab C |
Xyzal¨Þ tab |
Talion¨Þ
tab |
¼ººÐ |
Fexofenadine HCI 30mg,
120mg |
Levocetirizine 2HCl
5mg |
Bepotastine besilate 10mg |
TerfenadineÀÇ È°¼º´ë»çü |
hydroxyzineÀÇ human meta |
BepotastineÀÌ
È°¼ºÃ¼ |
ºÐ·ù |
¡ØThird-Generation
¥¡. nonsedation
¥¢. Ç÷Á߹ݰ¨±â°¡ ±æ¾î 1ÀÏ 1ȸ¿ä¹ý
¥£. È°¼º´ë»çü·Î parent drugº¸´Ù ´õ °·Â,
H1 Rc¿¡ ´ëÇÑ Ä£È¼º Áõ°¡ histamineÀ¯µµµÈ
¹ßÁø ¹× flare¿¡ ´õ °ÇÑ ¾ïÁ¦ÀÛ¿ë,
ÀûÀº ºÎÀÛ¿ë(¾ÈÀü) |
¡Ø Second-Generation(Nonsedating antihistamines,
lipophobic & ºÐÀÚ·® ÓÞ ¢¡ CNS ½±°Ô Åë°ú ¸øÇÔ)
¥¡. selective peripheral H1 Rc antagonists¡æfewer
anticholinergic & sedating side effects
¥¢. more convenient dosing schedule(qd~bid)
¥£. prodrug·Î õõÈ÷ active metabolite(*)·Î Àüȯ |
cf. ±³°ú¼ÀûÀ¸·Î´Â ÇöÀç
1, 2¼¼´ë Ç×È÷½ºÅ¸¹ÎÁ¦·Î ºÐ·ùµÇ¸ç, º» Ç¥ÀÇ ¸ðµç ¾àÁ¦´Â 2¼¼´ë Ç×È÷½ºÅ¸¹ÎÁ¦¿¡ °ü·ÃµÈ´Ù. |
Ư¡ |
¤ýSelective
peripheral H1 Rc blocking agent·Î anticholinergic
effect ȤÀº a1-adrenergic
Rc blockage Áõ¼¼°¡ ¶Ñ·ÇÇÏÁö ¾Ê´Ù
¤ýterfenadine´Â loratadine°ú´Â ´Þ¸® QT-prolongation
ÀÛ¿ë ¾ø´Ù. |
mild sedative effect |
sedation °ÅÀÇ ¾øÀ½ |
cetirizine°ú
ºñ±³½Ã H1-Rc¿¡ 2¹è ÀÌ»óÀÇ Ä£È¼º °¡Áö¸ç ºÐ¸®µÇ´Â ¼Óµµµµ ´õ
´À¸² (R-enantiomer) |
selective H1
antagonist :
È£»ê±¸ ±â´É ¹× Interleukin-5 »ý¼º ¾ïÁ¦ ¡æ ÄÚ¸·Èû °³¼± ÀÚü°¡ È°¼ºÃ¼·Î ¾àÈ¿¹ßÇö
ºü¸§ (¹Ìº¯ÈüÀÇ ³ú AUC 0.069) |
ÀûÀÀÁõ |
¾Ë·¯Áö¼º ºñ¿° ¹× ÇǺÎÁúȯ(CIU)
(FDA) seasonal allergic rhinitis(SAR),
chronic idiopathic urticaria(CIU) |
°èÀý¼º ¾Ë·¹¸£±â ºñ¿°
´Ù³â¼º ¾Ë·¹¸£±â ºñ¿°
¸¸¼º Ư¹ß¼º µÎµå·¯±â |
´Ù³â¼º ¾Ë·¹¸£±â¼º ºñ¿°
¸¸¼º µÎµå·¯±â
ÇǺÎÁúȯ¿¡ ¼ö¹ÝµÈ ¼Ò¾çÁõ |
¿ë¹ý |
ºñ¿° : 120mg qd, ÇǺÎÁúȯ
: 180mg qd
6~11¼¼ ¼Ò¾Æ : 30mg bid
(FDA)
SAR
CIU
¡â½Å±â´É ¼Õ»ó |
12¼¼ ÀÌ»ó
60mg bid/180mg qd
60mg bid
60mg qd |
6~11¼¼
30mg bid
30mg bid
30mg qd |
|
¼ºÀÎ ¹× 6¼¼ ÀÌ»óÀÇ ¼Ò¾Æ: 5mg
qd |
¼ºÀÎ : 10mg bid
¼Ò¾Æ : 8¼¼ (25~30kg)ÀÌ»ó : 10mg bid
8¼¼ (25~30kg)¹Ì¸¸ : 5mg bid |
H1
Rcģȼº
(nmol/L) |
175¡¾68 |
- |
- |
ģȷ desloratadine> chlorpheniramine
> mizolastine > terfenadine > bepotastine
> cetirizine > ebastine > loratadine >
fexofenadine |
¾à µ¿ ÇÐ |
Onset(h) |
1~2h, Rapid |
30ºÐ~1hr |
15min |
À½½Ä |
Al¡¤MgÁ¦»êÁ¦
: ½Ã°£ °£°Ý
°íÁö¹æ½Ä : Cmax 46%¡é, AUC42% ¡é |
À½½Ä ¿µÇâ X |
À½½Ä ¿µÇâ X |
Tmax(h) |
2.6 |
0.8 |
1.0 |
T1/2(h) |
14-18 (14.4h) |
7¡¾1.9 |
3.0 |
Dura.(h) |
12-24 |
- |
- |
PB(%) |
60-70% |
96 |
60~65 |
´ë»ç |
very low °£ ¹Ì·®(5%, ºÒÈ°¼º)´ë»ç |
- |
very low |
¹è¼³(%) |
´¢(11), º¯(80) |
¼Òº¯(86%) |
´¢(37.7), º¯(61.6) |
ºÎ ÀÛ ¿ë |
Plac
ebo
´ëºñ
¹ßÇöÀ² |
Á¹À½ |
- |
v |
5.7% |
ÇÇ·Î |
1.3% |
v |
- |
µÎÅë |
1.31% > |
v |
- |
±¸°¥ |
> 1% |
v |
1.1% |
¿À½É¡¤±¸Åä |
1.3~1.6% |
v |
0.3~0.8% |
¿ù°æ°ï¶õ |
1.5% |
- |
- |
±ÙÀ°Åë |
- |
- |
- |
±âŸ |
¡â ³ëÀÎ, ½Å±â´ÉÀå¾ÖÀÎ, °£±â´ÉÀå¾ÖÀÎ
: T1/2 ¡è, Ç÷Áß³óµµ ¡è |
- |
- |
¾à¹°»óÈ£ÀÛ¿ë |
MAO inhibitor : antihistamineÀÇ
anticholinergic effect ¹× ÁøÁ¤ÀÛ¿ëÀ» °ÇÏ°í ¿À·¡ Áö¼Ó½ÃŲ´Ù. |
EM, ketoconazole
: fexofenadine ³óµµ 82~135%¡è
Al¡¤MgÁ¦»êÁ¦ : 15ºÐ³» fexofenadineÀÇ Cmax 43%¡é
|
theophylline : CL¡é |
¾à¹°»óÈ£ÀÛ¿ë Ùí
(¡ñ °£´ë»çÇÏÁö ¾Ê´Â´Ù) |
º¸Çè¾à°¡ |
171¿ø/30mg/T
(Çѵ¶) |
422¿ø/120mg/T (Çѵ¶) |
356¿ø/Tab (Çѱ¹À¯¾¾ºñ) |
279¿ø/Tab (µ¿¾ÆÁ¦¾à) |