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 À̼º¿í ( 2017-07-14 19:10:42 , Hit : 874
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 [¹ÙÀÌ¿ÀÅäÇÈ] FDA ÀÚ¹®À§¿øÈ¸, CAR-T(chimeric antigen receptor T cell) ½ÂÀÎ ¸¸ÀåÀÏÄ¡·Î ±Ç°í


http://www.ibric.org/myboard/read.php?Board=news&id=284988&BackLink=L3RyZW5kL25ld3MvaW5kZXgucGhwP3RvZGF5PTIwMTctMDctMTQ=&rtpath=dmail

ÀÇÇоàÇР ¾çº´Âù (2017-07-14 09:31)

¾Ï Àü¹®°¡µé·Î ±¸¼ºµÈ ¡¸¹Ì ½ÄǰÀǾ౹(FDA) ¿ÜºÎ ÀÚ¹®À§¿øÈ¸¡¹´Â 'ȯÀÚ ÀÚ½ÅÀÇ ¸é¿ª¼¼Æ÷¸¦ À¯ÀüÀûÀ¸·Î Á¶ÀÛÇÏ¿© ¾ÏÀ» °Ü³É¡¤ÆÄ±«ÇÏ´Â Ä¡·á¹ý(CAR-T ¿ä¹ý)'ÀÇ ½ÂÀÎÀ» ¸¸ÀåÀÏÄ¡·Î ±Ç°íÇß´Ù.

7¿ù 12ÀÏ ½Ç½ÃµÈ ÅõÇ¥¿¡¼­, µ¿(ÔÒ)À§¿øÈ¸´Â "CAR-T ¿ä¹ýÀÇ ÇýÅÃÀÌ À§ÇèÀ» »óȸÇÑ´Ù"°í °áÁ¤Çß´Ù. À̹ø ÅõÇ¥´Â FDA°¡ ÃÖÃÊÀÇ CAR-T Ä¡·áÁ¦ÀÎ ³ë¹ÙƼ½ºÀÇ Æ¼»çÁ¨·º·ù¼¿(CTL019: tisagenlecleucel)ÀÇ ½ÂÀÎ ¿©ºÎ¸¦ Àú¿ïÁúÇÏ´Â °¡¿îµ¥ ½Ç½ÃµÇ¾ú´Ù.

À̹ø ÅõÇ¥°á°ú¿¡´Â ¹ýÀû °­Á¦·ÂÀÌ ¾øÁö¸¸, FDA´Â Ưº°ÇÑ ¹®Á¦°¡ ¾ø´Â ÇÑ À§¿øÈ¸ÀÇ ±Ç°í¸¦ µû¸£´Â °Ô »ó·Ê´Ù.

³ë¹ÙƼ½º´Â Ƽ»çÁ¨·º·ù¼¿À» ÀÌ¿ëÇÏ¿© ¾î¸°ÀÌ¿Í ÀþÀº ¼ºÀÎÀÇ ±Þ¼º¸²ÇÁ¸ð±¸¹éÇ÷º´(B-ALL: acute B-cell lymphoblastic leukaemia)À» Ä¡·áÇϱâ À§ÇØ FDAÀÇ ½ÂÀÎÀ» ÃßÁøÇϰí ÀÖ´Ù. ȯÀÚµéÀº ±âÁ¸ÀÇ Ä¡·á¹ý¿¡ ÃæºÐÈ÷ ¹ÝÀÀÇÏÁö ¾Ê°Å³ª Àç¹ßÇß´Ù´Â °øÅëÁ¡ÀÌ ÀÖ´Ù. ¹Ì±¹¿¡¼­´Â ¾à 15%ÀÇ B-ALL ȯÀÚµéÀÌ Àç¹ßÀ» °æÇèÇÑ´Ù.

Áö±Ý±îÁö ½Ç½ÃµÈ ÀÓ»ó½ÃÇè¿¡¼­, CAR-T ¿ä¹ýÀº ³­Ä¡¼º/Àç¹ß¼º B-ALL ȯÀڵ鿡°Ô Áö¼ÓÀûÀÎ ¿ÏÈ­(lasting remission)¸¦ Á¦°øÇÏ´Â °ÍÀ¸·Î ¹àÇôÁ³´Ù. 2015³â ½Ç½ÃµÈ ÇÙ½É ÀÓ»ó½ÃÇè(¹Ì¹ßÇ¥)¿¡¼­, Ƽ»çÁ¨·º·ù¼¿À» Åõ¿© ¹ÞÀº 63¸íÀÇ Âü°¡ÀÚ Áß 52¸í(82.5%)ÀÌ Àü¹ÝÀûÀÎ ¿ÏÈ­¸¦ °æÇèÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù(Âü°í 1). ±× ÀÓ»ó½ÃÇè¿¡´Â ´ëÁ¶±ºÀÌ ¾ø¾î¼­, ¿¬±¸ÀÚµéÀº Ƽ»çÁ¨·º·ù¼¿ÀÇ È¿´ÉÀ» Á¤È®È÷ ÆÇ´ÜÇÒ ¼ö ¾ø´Ù. ±×·¯³ª ±× ÀÓ»ó½ÃÇè¿¡ Âü°¡Çß´ø ȯÀÚµé Áß »ó´ç¼ö´Â ¼ö°³¿ù ~ ¼ö³â µ¿¾È '¾Ï ¾ø´Â »óÅÂ'¸¦ À¯ÁöÇϰí ÀÖ´Ù.

»ó´ç¼öÀÇ FDA ÀÚ¹®À§¿øµéÀº CAR-T¸¦ ±ØÂùÇϰí ÀÖ´Ù. "À̰ÍÀº Ä¿´Ù¶õ Áøº¸À̸ç, ¾Ï Ä¡·áÀÇ »õ ½Ã´ë¸¦ ¿­°í ÀÖ´Ù"¶ó°í ¹Ì ±¹¸³º¸°Ç¿ø(NIH)ÀÇ ¼Ò¾Æ¾Ï Àü¹®°¡ÀÎ ¸»ÄÞ ½º¹Ì½º ¹Ú»ç´Â ¸»Çß´Ù. ¿ÀÇÏÀÌ¿À ÁÖ Ä÷³¹ö½º ¼ÒÀç Àü±¹¾î¸°À̺´¿ø(Nationwide Children¡¯s Hospital)ÀÇ Æ¼¸ð½Ã Å©¶óÀÌÇÁ ¹Ú»ç(Á¾¾çÇÐ)´Â CAR-T Ä¡·á¹ýÀ» ÀÏÄþî "³» Æò»ý¿¡ º» °Í Áß¿¡¼­, ³ª¸¦ °¡Àå ÈïºÐ½ÃŰ´Â »ç°Ç"À̶ó°í Çß´Ù.

±×·¯³ª CAR-T¿¡´Â ½É°¢ÇÑ À§ÇèÀÌ ¼ö¹ÝµÈ´Ù(Âü°í 2). 2015³âÀÇ Æ¼»çÁ¨·º·ù¼¿ ÀÓ»ó½ÃÇè¿¡¼­, 47%ÀÇ Âü°¡ÀÚµéÀÌ »çÀÌÅäÄ«ÀιæÃâÁõÈıº(CRS: cytokine release syndrome)À̶ó´Â ±Ø´ÜÀû ¿°Áõ¹ÝÀÀÀ» °æÇèÇß´Ù. CRS´Â °í¿­°ú Àå±âºÎÀü(organ failure) µîÀÇ Æ¯Â¡Àû Áõ»óÀ» µ¿¹ÝÇϴµ¥, ½É°¢ÇÑ CRS »ç·Ê´Â '»çÀÌÅäÄ«ÀÎ ÆøÇ³(cytokine storm)'À̶ó°í ºÒ¸®¸ç »ý¸íÀ» À§ÇùÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª ³ë¹ÙƼ½º¿¡ ÀÇÇϸé, ÀÓ»ó½ÃÇè¿¡ Âü¿©ÇÑ ÀÇ·áÁøÀÌ È¯ÀÚµéÀÇ CRS¸¦ ¸ðµÎ ¼º°øÀûÀ¸·Î °ü¸®ÇÒ ¼ö ÀÖ¾ú´Ù°í ÇÑ´Ù.

³ë¹ÙƼ½ºÀÇ º¸°í¼­¿¡´Â ´ÙÀ½°ú °°ÀÌ ÀûÇô ÀÖ´Ù. "°æ·ÃÀ̳ª ȯ°¢°ú °°Àº ½Å°æÇÐÀû ¹®Á¦µµ ºñ±³Àû ÈçÇßÁö¸¸, ÀϽÃÀûÀ̾ú´Ù. ¿ì¸®ÀÇ ÀÓ»ó½ÃÇèÀº ±âÁ¸ÀÇ CAR-T ÀÓ»ó½ÃÇèµé°ú ±ØÀûÀÎ ´ëÁ¶¸¦ ÀÌ·é´Ù. Áö³­ ¸î ³â µ¿¾È ½Ç½ÃµÈ ÀÓ»ó½ÃÇè¿¡¼­´Â ¸¹Àº ȯÀÚµéÀÌ ½É°¢ÇÑ ³úºÎÁ¾(brain swelling)À¸·Î »ç¸ÁÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. Ƽ»çÁ¨·º·ù¼¿Àº ±âÁ¸ÀÇ CAR-T ¼¼Æ÷µé°ú ´Ù¸£Áö¸¸, ȯÀÚµéÀÌ ½É°¢ÇÑ ºÎÀÛ¿ëÀ¸·Î »ç¸ÁÇß´Ù´Â ¼Ò½ÄÀº CAR-T Àüü¿¡ ¾Ï¿ïÇÑ ±×¸²ÀÚ¸¦ µå¸®¿ü´Ù."

±î´Ù·Î¿î À̽´µé

CAR-T ¿ä¹ýÀº ÀǾàǰ ±ÔÁ¦¸¦ ´ã´çÇÏ´Â FDA¿¡°Ô ±î´Ù·Î¿î À̽´¸¦ Á¦±âÇÑ´Ù: "°¢°¢ÀÇ È¯ÀÚ¿¡°Ô ½Å¼±ÇÏ°Ô Á¦°øµÇ¾î¾ß ÇÏ´Â '»ì¾ÆÀÖ´Â º¹ÀâÇÑ ¾à¹°'ÀÇ È¿´É(potency)°ú ¼øµµ(purity)¸¦ ¾î¶»°Ô È®½ÅÇÒ ¼ö Àִ°¡?"

FDAÀÇ ÀÚ¹®À§¿øµéÀº 7¿ù 12ÀÏÀÇ ¸ðÀÓ¿¡¼­, "³ë¹ÙƼ½º´Â '°³º° ȯÀڵ鿡°Ô¼­ äÃëÇÑ ¼¼Æ÷¸¦ ±â¹ÝÀ¸·Î ÇÑ Ä¡·á¹ý(a treatment based on cells taken from individual people)'À» °¡´ÉÇÑ ÇÑ Ç¥ÁØÈ­Çϱâ À§ÇØ ¾î¶² ³ë·ÂÀ» ±â¿ï¿´´Â°¡?"¶ó´Â ¹®Á¦¸¦ ³íÀÇÇÏ´Â µ¥ Àý¹ÝÀÇ ½Ã°£À» ÇÒ¾ÖÇß´Ù.

³ë¹ÙƼ½º°¡ Ƽ»çÁ¨·º·ù¼¿ 1ȸºÐÀ» ¸¸µå´Â °úÁ¤Àº ´ÙÀ½°ú °°´Ù. ¨ç ȯÀÚÀÇ Ç÷¾×»ùÇÿ¡¼­ ¹éÇ÷±¸¸¦ ÃßÃâÇÏ¿© Á¤Á¦ÇÑ´Ù. ¨è Áß¾Ó󸮼¾ÅÍ·Î º¸³½´Ù. ¨é ½ºÅÂÇÁµéÀÌ ¹ÙÀÌ·¯½º¸¦ ÀÌ¿ëÇÏ¿©, Ű¸Þ¶óÇ׿ø¼ö¿ëü(CAR: chimaeric antigen receptor)¸¦ ÄÚµùÇÏ´Â À¯ÀüÀÚ¸¦ T¼¼Æ÷¿¡ »ðÀÔÇÑ´Ù. CAR´Â ¹éÇ÷º´ ¼¼Æ÷¸¦ ÀνÄÇÑ´Ù. ¨ê °³º° ȯÀÚ¿¡°Ô »ç¿ëÇÒ T¼¼Æ÷¸¦ ¸¸µå´Â µ¥ °É¸®´Â ½Ã°£Àº ¾à 22ÀÏÀÌ´Ù. ÀÌ·¸°Ô ¸¸µé¾îÁø T¼¼Æ÷µéÀº ȯÀÚ¿¡°Ô ÀçÁÖÀ﵃ ¶§±îÁö ½ÇÇè½Ç¿¡¼­ ¹è¾çµÈ´Ù.

¸¹Àº ÀÚ¹®À§¿øµéÀº CAR-T Ä¡·á¹ýÀ» µÑ·¯½Ñ ºÒÈ®½Ç¼º ¹®Á¦¿¡ ´ëÇØ ¿ì·Á¸¦ Ç¥¸íÇß´Ù. ù°, T¼¼Æ÷ÀÇ À¯ÀüÀÚ¸¦ Á¶ÀÛÇÏ´Â µ¥ »ç¿ëµÇ´Â ¹ÙÀÌ·¯½º°¡ º¹Á¦´É·ÂÀ» ȹµæÇÒ ¼ö ÀÖ´Ù. µÑ°, ¿ÜºÎ À¯ÀüÀÚ°¡ ºÎÀûÀýÇÏ°Ô »ðÀÔµÈ T¼¼Æ÷°¡ ¾ÏÈ­(äßûù)µÉ ¼ö ÀÖ´Ù. ¼Â°, »óÀÌÇÑ Á¾·ùÀÇ T¼¼Æ÷¿Í ±âŸ ¸é¿ª¼¼Æ÷µéÀÇ È¥ÇÕ¹°À» À¯ÀüÀûÀ¸·Î Á¶ÀÛÇϰí ÀçÁÖÀÔÇÒ °æ¿ì ºÒÈ®½ÇÇÑ °á°ú°¡ ÃÊ·¡µÉ ¼ö ÀÖ´Ù.

"CAR-T Ä¡·á¹ý¿¡´Â À§ÇèÀÌ ¸¹ÀÌ ¼ö¹ÝµÇ´Â µ¥´Ù, Àå±âÀûÀÎ µ¶¼ºÈ¿°ú¿¡ ´ëÇØ ¾Ë·ÁÁø °Ô º°·Î ¾ø´Ù. CAR-T¸¦ Åõ¿©¹ÞÀº ȯÀÚµéÀº ´ë¾È(ÓÛäÐ)ÀÌ °ÅÀÇ ¾øÀ¸¸ç, ¼³»ç ÀÖ´Ù°í ÇØµµ ³ª¸§ À§ÇèÀ» ¾È°í ÀÖ´Ù"¶ó°í ÀÚ¹®À§¿øÀåÀ» ¸Ã°í ÀÖ´Â ¿ö½ÌÅÏ ÀÇ´ëÀÇ ºê·ç½º ·Î½º ¹Ú»ç(Á¾¾çÇÐ)´Â ¸»Çß´Ù. ±×·³¿¡µµ ºÒ±¸Çϰí Àü¹®°¡µéÀÌ CAR-T¿¡ Æø¹ßÀûÀÎ ¹ÝÀÀÀ» º¸ÀÌ´Â ÀÌÀ¯°¡ ¹»±î? "¼³»ç Àå±âÀûÀÎ µ¶¼ºÀÌ ¿ì·ÁµÇ´õ¶óµµ, ±×°É °ÆÁ¤ÇÑ´Ù´Â °Ç ±×¸¸Å­ ¿À·¡ »ì ¼ö ÀÖ´Ù´Â ¶æÀÌ µÈ´Ù. Àü¹®°¡µéÀÌ CAR-T¿¡ Å« °ü½ÉÀ» º¸ÀÌ´Â °Ç ¹Ù·Î ±× ¶§¹®À̶ó°í »ý°¢µÈ´Ù"¶ó°í ±×´Â µ¡ºÙ¿´´Ù.



¡Ø Âü°í¹®Çå
1. https://www.fda.gov/downloads/AdvisoryCommittees/CommitteesMeetingMaterials/Drugs/OncologicDrugsAdvisoryCommittee/UCM566166.pdf
2. http://www.nature.com/news/safety-concerns-blight-promising-cancer-therapy-1.20763

¡Ø Ãâó: Nature http://www.nature.com/news/engineered-cell-therapy-for-cancer-gets-thumbs-up-from-fda-advisers-1.22304







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