{"id":467,"date":"2023-09-18T23:09:18","date_gmt":"2023-09-18T14:09:18","guid":{"rendered":"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/?p=467"},"modified":"2023-09-18T23:18:19","modified_gmt":"2023-09-18T14:18:19","slug":"her2%e9%99%bd%e6%80%a7%e6%97%a9%e6%9c%9f%e4%b9%b3%e3%81%8c%e3%82%93%ef%bc%88%e5%91%a8%e8%a1%93%e6%9c%9f%e4%b9%b3%e3%81%8c%e3%82%93%ef%bc%89%e3%81%ae%e8%96%ac%e7%89%a9%e7%99%82%e6%b3%95%e3%81%ab","status":"publish","type":"post","link":"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/approach\/her2%e9%99%bd%e6%80%a7%e6%97%a9%e6%9c%9f%e4%b9%b3%e3%81%8c%e3%82%93%ef%bc%88%e5%91%a8%e8%a1%93%e6%9c%9f%e4%b9%b3%e3%81%8c%e3%82%93%ef%bc%89%e3%81%ae%e8%96%ac%e7%89%a9%e7%99%82%e6%b3%95%e3%81%ab\/","title":{"rendered":"HER2\u967d\u6027\u65e9\u671f\u4e73\u304c\u3093\uff08\u5468\u8853\u671f\u4e73\u304c\u3093\uff09\u306e\u85ac\u7269\u7642\u6cd5\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h4>HER2\u967d\u6027\u65e9\u671f\u4e73\u304c\u3093\u306e\u85ac\u7269\u7642\u6cd5\u306b\u3064\u3044\u3066<\/h4>\n<p><span style=\"font-size: 10pt\"><strong>\u864e\u306e\u9580\u75c5\u9662\u4e73\u817a\u5185\u5206\u6ccc\u5916\u79d1\u3000\u5ddd\u7aef\u82f1\u5b5d<\/strong><\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\uff11\uff0e\u306f\u3058\u3081\u306b<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">\u6d78\u6f64\u6027\u4e73\u764c\u306e15\uff5e20\uff05\u3067HER2\u306e\u907a\u4f1d\u5b50\u5897\u5e45\u307e\u305f\u306f\u86cb\u767d\u904e\u5270\u767a\u73fe\u304c\u8a8d\u3081\u3089\u308c\u3001\u5c40\u6240\u6cbb\u7642\u306e\u307f\u3067\u306f\u3053\u308c\u3089\u306e\u4e73\u764c\u60a3\u8005\u306e\u4e88\u5f8c\u306f\u4e0d\u826f\u3067\u3042\u308b\u3002\u3057\u304b\u3057HER2\u6a19\u7684\u7642\u6cd5\u306e\u958b\u767a\u306b\u3088\u308a\u3001HER2\u967d\u6027\u60a3\u8005\u306e\u4e88\u5f8c\u306f\u5287\u7684\u306b\u6539\u5584\u3057\u305f\u3002Trastuzumab\u306f\u6700\u521d\u306b\u627f\u8a8d\u3055\u308c\u305f\u6297HER2\u6cbb\u7642\u85ac\u3067\u3042\u308a\u3001Trastuzumab\u3092\u5316\u5b66\u7642\u6cd5\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306e\u4e88\u5f8c\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u30012006\u5e74\u306bTrastuzumab\u306e\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u304cFDA\u306b\u627f\u8a8d\u3055\u308c\u30011\u5e74\u9593\u306eTrastuzumab\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u6a19\u6e96\u6cbb\u7642\u3068\u3057\u3066\u78ba\u7acb\u3055\u308c\u305f\u3002\u73fe\u5728\u5468\u8853\u671f\u306e\u6a19\u6e96\u6cbb\u7642\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305d\u306e\u4ed6\u306e\u6297HER2\u7642\u6cd5\u85ac\u306b\u306f\u3001\u6297\u4f53Pertuzumab\u3001\u6297\u4f53\u85ac\u7269\u8907\u5408\u4f53T-DM1\u3001\u6d77\u5916\u3067\u306f\u30c1\u30ed\u30b7\u30f3\u30ad\u30ca\u30fc\u30bc\u963b\u5bb3\u5264Neratinib\u304c\u3042\u308b\u3002\u591a\u304f\u306eHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306b\u5bfe\u3057\u3066\u3001\u8853\u5f8c\u7642\u6cd5\u304b\u3089\u8853\u524d\u7642\u6cd5\u3078\u306e\u30d1\u30e9\u30c0\u30a4\u30e0\u30b7\u30d5\u30c8\u304c\u8d77\u3053\u308a\u3001\u816b\u760d\u306e\u30c0\u30a6\u30f3\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3001\u85ac\u7269\u7642\u6cd5\u306e\u816b\u760d\u611f\u53d7\u6027\u306e\u8a55\u4fa1\u304c\u5bb9\u6613\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u8853\u524d\u7642\u6cd5\u306b\u5bfe\u3059\u308b\u75c5\u7406\u5b66\u7684\u594f\u52b9\u306e\u7a0b\u5ea6\u306f\u3001HER2\u967d\u6027\u65e9\u671f\u60a3\u8005\u306e\u9577\u671f\u4e88\u5f8c\u306e\u5f37\u529b\u306a\u4ee3\u66ff\u6307\u6a19\u3067\u3042\u308a\u3001\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u306e\u500b\u5225\u5316\u306b\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u306e\u6cbb\u7642\u306b\u304a\u3051\u308b\u5927\u304d\u306a\u9032\u6b69\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u307e\u3060\u6539\u5584\u3059\u3079\u304d\u70b9\u306f\u591a\u304f\u5b9f\u969b\u306b\u518d\u767a\u3092\u7d4c\u9a13\u3059\u308b\u3053\u3068\u3082\u5c11\u306a\u304f\u306a\u3044\u3002\u3053\u306e\u30ea\u30b9\u30af\u306fpCR\uff08\u6d78\u6f64\u75c5\u5909\u306e\u6d88\u5931\uff09\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u60a3\u8005\u3067\u5927\u304d\u3044\u3002\u3057\u304b\u3057pCR\u304c\u5f97\u3089\u308c\u305f\u60a3\u8005\u306b\u3082\u518d\u767a\u30ea\u30b9\u30af\u306f\u5b58\u5728\u3057\u3001\u4e3b\u306b\u521d\u56de\u8a3a\u65ad\u6642\u306e\u816b\u760d\u91cf\u304c\u591a\u304b\u3063\u305f\u5834\u5408\u306b\u518d\u767a\u304c\u8d77\u304d\u3084\u3059\u3044\u3002HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306b\u304a\u3051\u308b\u4e2d\u67a2\u795e\u7d4c\u7cfb\u518d\u767a\u306e\u53ef\u80fd\u6027\u306f\u3001\u3082\u3046\u4e00\u3064\u306e\u554f\u984c\u3067\u3042\u308a\u3001\u6297HER2\u6cbb\u7642\u306e\u5927\u90e8\u5206\u306f\u4e2d\u67a2\u795e\u7d4c\u7cfb\u8ee2\u79fb\u4e88\u9632\u306b\u306f\u5f79\u7acb\u3063\u3066\u3044\u306a\u3044\u3002\u4e00\u65b9\u3067\u521d\u56de\u8a3a\u65ad\u6642\u306e\u816b\u760d\u91cf\u306e\u5c11\u306a\u3044HER2\u967d\u6027\u60a3\u8005\u306e\u591a\u304f\u306f\u3001\u73fe\u5728\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u5341\u5206\u6cbb\u7652\u3059\u308b\u3068\u601d\u308f\u308c\u3001\u591a\u5264\u4f75\u7528\u5316\u5b66\u7642\u6cd5\u30ec\u30b8\u30e1\u30f3\u3092\u4f7f\u7528\u3057\u306a\u304f\u3066\u3082\u305d\u306e\u591a\u304f\u304c\u6cbb\u7652\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u63a8\u6e2c\u3055\u308c\u3066\u304a\u308a\u3001\u4e0d\u5fc5\u8981\u306a\u30b3\u30b9\u30c8\u3084\u6bd2\u6027\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u6cbb\u7642\u3092\u8efd\u6e1b\u3059\u308b\u9069\u5207\u306a\u6226\u7565\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b<sup>1),2),3)<\/sup>\u3002<\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\uff12\uff0eHER2\u691c\u67fb\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u3064\u3044\u3066<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">\u524d\u8ff0\u306e\u3088\u3046\u306b\u6297HER2\u7642\u6cd5\u306f\u3001HER2\u967d\u6027\u4e73\u764c\u306e\u6cbb\u7642\u306e\u9aa8\u683c\u3067\u3042\u308a\u3001\u8853\u524d\u7642\u6cd5\u3068\u3057\u3066\u305d\u306e\u591a\u304f\u304c\u7528\u3044\u3089\u308c\u308b\u3002\u3053\u306e\u305f\u3081\u521d\u56de\u8a3a\u65ad\u6642\u306e\u30d0\u30a4\u30aa\u30de\u30fc\u30ab\u30fc\u691c\u67fb\u3068\u3057\u3066\u3059\u3079\u3066\u306e\u6d78\u6f64\u764c\u60a3\u8005\u306bHER2\u691c\u67fb\u3092\u884c\u3046\u3053\u3068\u304c\u5fc5\u9808\u3067\u3042\u308b\u3002\u816b\u760d\u5185\u306eheterogeneity \u3084\u691c\u67fb\u81ea\u4f53\u306e\u4f55\u3089\u304b\u306e\u30a8\u30e9\u30fc\u3082\u751f\u3058\u3046\u308b\u305f\u3081\u3001\u624b\u8853\u691c\u4f53\u306b\u304a\u3044\u3066\u3082\u518d\u5ea6\u691c\u67fb\u3092\u884c\u3046\u3053\u3068\u304c\u671b\u307e\u3057\u3044\u3002\u8853\u524d\u7642\u6cd5\u3092\u884c\u3063\u305f\u5834\u5408\u3082\u4e00\u5b9a\u306e\u5272\u5408\u3067\u30d0\u30a4\u30aa\u30de\u30fc\u30ab\u30fc\u306e\u5909\u5316\u304c\u4e88\u60f3\u3055\u308c\u308b\u306e\u3067HER2\u691c\u67fb\u3092\u518d\u5ea6\u884c\u3046\u3002\u5730\u57df\u306b\u3088\u3063\u3066\u306f\u4fdd\u967a\u8a3a\u7642\u4e0a\u4e8c\u5ea6\u306eHER2\u691c\u67fb\u304c\u8a8d\u3081\u3089\u308c\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u5f97\u308b\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u521d\u56de\u8a3a\u65ad\u6642\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3053\u306e\u691c\u67fb\u3092\u5b9f\u65bd\u3059\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">HER2\u691c\u67fb\u306f\u9069\u5207\u306a\u65b9\u6cd5\uff08ASCO\/CAP HER2 testing \u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3001\u4e73\u764c\u5b66\u4f1a\u53d6\u6271\u3044\u898f\u7d04\u306a\u3069\u306b\u6dfb\u3063\u305f\u65b9\u6cd5\uff09\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u3002\u306a\u304a\u660e\u3089\u304b\u306b\u4e88\u5f8c\u304c\u826f\u597d\u306a\u7d44\u7e54\u578b\uff08\u7d44\u7e54\u5b66\u7684\u30b0\u30ec\u30fc\u30c9\uff11, pure mucinous, pure tubular, pure cribriform carcinoma)\u3067HER2\u691c\u67fb\u304c\u967d\u6027\u306b\u306a\u3063\u305f\u5834\u5408\u306f\u518d\u691c\u67fb\u3001\u30b3\u30f3\u30b5\u30eb\u30c6\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3092\u542b\u3081\u3001\u518d\u691c\u8a0e\u3092\u884c\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u308b\u3002\u6700\u7d42\u7684\u306a\u5224\u65ad\u3067\u3082HER2\u691c\u67fb\u7d50\u679c\u306b\u78ba\u4fe1\u304c\u6301\u3066\u306a\u3044\u5834\u5408\u306f\u967d\u6027\u3068\u8003\u3048\u3066\u5bfe\u5fdc\u3057\u305f\u65b9\u304c\u3001\u60a3\u8005\u306e\u4e0d\u5229\u76ca\u306f\u5c11\u306a\u3044\u3068\u601d\u308f\u308c\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u5c40\u6240\u518d\u767a\u306e\u5834\u5408\u3082\u305d\u306e\u90fd\u5ea6HER2\u691c\u67fb\u3092\u5b9f\u65bd\u3057\u3066\u85ac\u7269\u7642\u6cd5\u306e\u9078\u629e\u306b\u751f\u304b\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3042\u308b\u3002\u7d50\u679c\u304c\u967d\u6027\u306b\u8ee2\u3058\u305f\u5834\u5408\u3001\u4ee5\u524d\u306e\u691c\u67fb\u306b\u30a8\u30e9\u30fc\u304c\u3042\u3063\u305f\u53ef\u80fd\u6027\u3082\u8003\u3048\u3089\u308c\u308b\u304c\u3001\u771f\u306e\u610f\u5473\u3067\u967d\u6027\u8ee2\u5316\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u3002\u521d\u56de\u6cbb\u7642\u6642\u306eHER2\u691c\u67fb\u7d50\u679c\u304c\u967d\u6027\u3067\u3001\u9060\u9694\u8ee2\u79fb\u3092\u4f34\u308f\u306a\u3044\u5c40\u6240\u518d\u767a\u691c\u4f53\u3067HER2\u9670\u6027\u3068\u8a3a\u65ad\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u9670\u6027\u3068\u8003\u3048\u3066\u305d\u306e\u5f8c\u306e\u85ac\u7269\u6cbb\u7642\u304c\u884c\u308f\u308c\u308b\u3002<\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\uff13\uff0e\u8853\u524d\u85ac\u7269\u7642\u6cd5\u304b\u3001\u624b\u8853\u5148\u884c\u304b\u306e\u9078\u629e<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">\u5927\u307e\u304b\u306a\u539f\u5247\u3068\u3057\u3066\u3001\u30b9\u30c6\u30fc\u30b8\u2161\u671f\u307e\u305f\u306f\u2162\u671f\u306eHER2\u967d\u6027\u60a3\u8005\u306f\u8853\u524d\u85ac\u7269\u7642\u6cd5\u3092\u884c\u3044\u3001\u624b\u8853\u75c5\u7406\u7d50\u679c\u3067pCR\uff08\u6d78\u6f64\u75c5\u5909\u306e\u6d88\u5931\uff09\u304c\u5f97\u3089\u308c\u305f\u304b\u3069\u3046\u304b\u3092\u57fa\u6e96\u306b\u3057\u3066\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u3092\u884c\u3046\u3002\u30b9\u30c6\u30fc\u30b8 I \u306e cT1a\/b N0 \u306e\u60a3\u8005\u306f\u624b\u8853\u3092\u5148\u884c\u3055\u305b\u3001\u624b\u8853\u75c5\u7406\u7d50\u679c\u306b\u57fa\u3065\u304d\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u306e\u5185\u5bb9\u3092\u5224\u65ad\u3059\u308b\u3002\u30ea\u30f3\u30d1\u7bc0\u8ee2\u79fb\u304c\u9670\u6027\u3067\u3042\u308c\u3070APT\u8a66\u9a13\uff08Paclitaxel\uff0bTrastuzumab\u4f75\u7528\u306e\u5358\u7fa4\u7b2c2\u76f8\u8a66\u9a13\uff09\u306e\u7d50\u679c\u306b\u5f93\u3044\u3001\u305d\u306e\u5f8c\u306fPaclitaxel\u3068Trastuzumab\u306b\u3088\u308b\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u3092\u884c\u3046\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u30b9\u30c6\u30fc\u30b8I\u671f\u306ecT1cN0\u306e\u60a3\u8005\u306b\u306f\u3001\u624b\u8853\u5148\u884c\u3068\u8853\u524d\u85ac\u7269\u7642\u6cd5\u306e\u4e21\u65b9\u304c\u6709\u52b9\u306a\u9078\u629e\u80a2\u3067\u3042\u308b\u3002\u81e8\u5e8a\u7684\u816b\u760d\u5f84\u304c1\uff5e2cm\u306e\u5834\u5408\u3001\u8853\u524d\u85ac\u7269\u7642\u6cd5\u3068\u8853\u5f8c\u85ac\u7269\u7642\u6cd5\u306e\u3069\u3061\u3089\u304c\u6700\u9069\u304b\u306b\u3064\u3044\u3066\u306f\u660e\u78ba\u306a\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u306f\u5f97\u3089\u308c\u3066\u3044\u306a\u3044\u3002\u624b\u8853\u3092\u5148\u884c\u3055\u305b\u308c\u3070\u3001\u75c5\u72b6\u306e\u5168\u4f53\u50cf\u3092\u3088\u308a\u6b63\u78ba\u306b\u8a55\u4fa1\u3057\u3066\u85ac\u7269\u7642\u6cd5\u3092\u9078\u629e\u3067\u304d\u308b\u304c\u3001\u4e00\u65b9\u3067\u85ac\u7269\u7642\u6cd5\u306b\u3088\u308b\u52b9\u679c\u304c\u3069\u3046\u3060\u3063\u305f\u304b\u3068\u3044\u3046\u60c5\u5831\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002\u4e00\u65b9\u3067\u3001\u8853\u524d\u85ac\u7269\u7642\u6cd5\u3092\u884c\u3046\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306a\u30ec\u30b8\u30e1\u30f3\u3092\u884c\u3046\u304b\u3068\u3044\u3046\u9078\u629e\u304c\u96e3\u3057\u304f\u306a\u308a\u3001\u6cbb\u7642\u5f37\u5ea6\u3092\u4e0a\u3052\u3066pCR\u304c\u5f97\u3089\u308c\u305f\u5834\u5408\u306f\u904e\u5270\u6cbb\u7642\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u6cbb\u7642\u5f37\u5ea6\u3092\u4e0b\u3052\u3066pCR\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u305d\u306e\u5f8c\u306e\u85ac\u7269\u9078\u629e\u304c\u96e3\u3057\u304f\u306a\u308b\u3002\u3053\u306e\u305f\u3081\u305d\u308c\u305e\u308c\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u4e00\u9577\u4e00\u77ed\u304c\u3042\u308b\u304c\u30012\u339d\u306b\u8fd1\u3044\u75c5\u5909\u3067\u3001\u3088\u308a\u5b8c\u6cbb\u3055\u305b\u308b\u3053\u3068\u306b\u91cd\u70b9\u3092\u7f6e\u304f\u5834\u5408\u306f\u3001\u8853\u524d\u85ac\u7269\u7642\u6cd5\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u308f\u308c\u308b\u3002<\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\uff14\uff0e\u5468\u8853\u671f\u85ac\u7269\u7642\u6cd5\u306e\u30ec\u30b8\u30e1\u30f3<\/span><\/h4>\n<h5><span style=\"font-size: 10pt\">\uff11\uff09\u8853\u524d\u85ac\u7269\u7642\u6cd5\u306b\u3064\u3044\u3066<\/span><\/h5>\n<p><span style=\"font-size: 10pt\">\u30ec\u30b8\u30e1\u30f3\u306b\u95a2\u3057\u3066\u306fAC or Dose-Dense AC followed by Paclitaxel + Trastuzumab\uff08+ Pertuzumab\uff09\u304c\u73fe\u6642\u70b9\u3067\u6700\u3082\u9078\u629e\u3055\u308c\u308b\u30ec\u30b8\u30e1\u30f3\u3068\u601d\u308f\u308c\u308b\u304c\u3001NCCN\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3067\u306f\u65e2\u306b\u30a2\u30f3\u30c8\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3059\u308bDocetaxel+Carboplatin+Trastuzumab\uff08+ Pertuzumab\uff09\u304c\u671b\u307e\u3057\u3044\u6cbb\u7642\u6cd5\u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002\u30ec\u30b8\u30e1\u30f3\u9078\u629e\u306b\u304a\u3044\u3066\u306f\u30a2\u30f3\u30c8\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3059\u308b\u304b\u3069\u3046\u304b\u3001Pertuzumab\u3092\u8ffd\u52a0\u3059\u308b\u304b\u3069\u3046\u304b\u304c\u73fe\u6642\u70b9\u306e\u8ad6\u70b9\u3068\u601d\u308f\u308c\u308b\u3002\u5fc3\u81d3\u306e\u5408\u4f75\u75c7\u304c\u3042\u308b\u5834\u5408\u3084\u6bd4\u8f03\u7684\u9ad8\u9f62\u8005\u306b\u306f\u30a2\u30f3\u30c8\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3059\u308b\u3053\u3068\u306b\u7570\u8ad6\u306f\u306a\u3044\u3068\u601d\u308f\u308c\u308b\u304c\u3001\u305d\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u306a\u3044\u5834\u5408\u306b\u30a2\u30f3\u30c8\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3059\u308b\u304b\u3069\u3046\u304b\u306f\u5fc5\u305a\u3057\u3082\u30b3\u30f3\u30bb\u30f3\u30b5\u30b9\u306f\u5f97\u3089\u308c\u3066\u3044\u306a\u3044\u3002\u307e\u305fAC\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u306edose-dense\u30ec\u30b8\u30e1\u30f3\u306e\u6709\u52b9\u6027\u3082\u5fc5\u305a\u3057\u3082\u660e\u3089\u304b\u3067\u306f\u306a\u3044\u3002\u30b9\u30c6\u30fc\u30b8\u2161B\u4ee5\u4e0a\u3067\u3042\u308c\u3070Pertuzumab\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u304c\u6a19\u6e96\u7684\u3068\u601d\u308f\u308c\u308b\u304c\u3001\u81e8\u5e8a\u7684\u306b\u30ea\u30f3\u30d1\u7bc0\u8ee2\u79fb\u3092\u8a8d\u3081\u306a\u3044\u5834\u5408\u306bPertuzumab\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u306e\u6709\u7528\u6027\u306f\u5fc5\u305a\u3057\u3082\u660e\u3089\u304b\u3067\u306f\u306a\u3044\u3002\u3057\u304b\u3057\u306a\u304c\u3089Pertuzumab\u3092\u4f75\u7528\u305b\u305a\u306bpCR\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u8853\u5f8c\u7642\u6cd5\u3068\u3057\u3066T-DM1\u306b\u79fb\u884c\u3059\u308b\u3068Pertuzumab\u306e\u4f7f\u3044\u3069\u3053\u308d\u304c\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u554f\u984c\u304c\u51fa\u3066\u304f\u308b\u3068\u3053\u308d\u304c\u60a9\u307e\u3057\u3044\u3002\u4ee5\u4e0a\u306e\u3088\u3046\u306a\u554f\u984c\u70b9\u3092\u627f\u77e5\u3057\u305f\u4e0a\u3067\u3001\u6211\u3005\u306e\u65bd\u8a2d\u3067\u306fDose-Dense AC followed by Paclitaxel + Trastuzumab+ Pertuzumab\u3092\u6a19\u6e96\u7684\u306a\u30ec\u30b8\u30e1\u30f3\u3068\u3057\u3066\u8003\u3048\u3001\u75c7\u4f8b\u6bce\u306b\u30a2\u30ec\u30f3\u30b8\u3092\u52a0\u3048\u3066\u3044\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u9ad8\u9f62\u8005\u3084\u5408\u4f75\u75c7\u3092\u6301\u3063\u305f\u60a3\u8005\u306e\u5834\u5408\u306f\u624b\u8853\u5148\u884c\u306e\u65b9\u304c\u7ba1\u7406\u3057\u3084\u3059\u3044\u3068\u601d\u308f\u308c\u308b\u304c\u3001\u5c40\u6240\u9032\u884c\u4e73\u764c\u3067\u8853\u524d\u85ac\u7269\u7642\u6cd5\u304c\u671b\u307e\u308c\u308b\u5834\u5408\u3082\u3042\u308b\u3002\u305d\u306e\u3088\u3046\u306a\u5834\u5408\u306fPaclitaxel + Trastuzumab + Pertuzumab\u3092\u8853\u524d\u7642\u6cd5\u3068\u3057\u3066\u884c\u3046\u3053\u3068\u304c\u73fe\u5b9f\u7684\u306a\u5bfe\u51e6\u65b9\u6cd5\u3068\u601d\u308f\u308c\u308b\u3002<\/span><\/p>\n<h5><span style=\"font-size: 10pt\">\uff12\uff09\u8853\u524d\u85ac\u7269\u7642\u6cd5\u5f8c\u306e\u8853\u5f8c\u7642\u6cd5\u306b\u3064\u3044\u3066<\/span><\/h5>\n<p><span style=\"font-size: 10pt\">pCR\u304c\u5f97\u3089\u308c\u305f\u60a3\u8005\u306e\u8853\u5f8c\u7642\u6cd5\u306b\u3064\u3044\u3066<\/span><\/p>\n<p><span style=\"font-size: 10pt\">HERA\u8a66\u9a13\u306e\u7d50\u679c\u306b\u57fa\u3065\u304d\u3001\u6297HER2\u7642\u6cd5\u306f\u5408\u8a081\u5e74\u9593\u6295\u4e0e\u3055\u308c\u308b\u3002\u8853\u524d\u306b3\u304b\u6708\u6295\u4e0e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u591a\u3044\u306e\u3067\u3001\u8853\u5f8c\u306f9\u304b\u6708\u9593\uff0814\u30b5\u30a4\u30af\u30eb\uff09\u8ffd\u52a0\u3055\u308c\u308b\u3002\u8853\u5f8c\u306f\u8853\u524d\u306b\u7528\u3044\u305f\u6297HER2\u7642\u6cd5\u3068\u540c\u3058\u85ac\u5264\u3092\u7528\u3044\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">pCR\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u60a3\u8005\u306e\u8853\u5f8c\u7642\u6cd5\u306b\u3064\u3044\u3066<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u8853\u524d\u7642\u6cd5\u306b\u3066\u6d78\u6f64\u75c5\u5909\u306e\u907a\u6b8b\u304c\u3042\u308b\u5834\u5408\uff08\u4e73\u623f\u3001\u53c8\u306f\u30ea\u30f3\u30d1\u7bc0\uff09\u306fKATHERINE\u8a66\u9a13\u306e\u7d50\u679c\u306b\u57fa\u3065\u304d\u3001\u8853\u5f8c\u306bT-DM1 \u3092\u6295\u4e0e\u3059\u308b\u3002T-DM1\u306f9\u304b\u6708\u9593\u300114\u30b5\u30a4\u30af\u30eb\u6295\u4e0e\u3055\u308c\u308b\u3002pCR\u306b\u306f\u81f3\u3089\u306a\u304b\u3063\u305f\u304c\u3001\u308f\u305a\u304b\u306a\u6d78\u6f64\u75c5\u5909\u306e\u907a\u6b8b\u3057\u304b\u306a\u304b\u3063\u305f\u5834\u5408\uff08\u4f8b\u3048\u3070ypTmic,ypN0\uff09\u306b\u3069\u3046\u3059\u308b\u304b\u306f\u8b70\u8ad6\u306e\u3042\u308b\u3068\u3053\u308d\u3067\u3042\u308b\u3002KATHERINE\u8a66\u9a13\u306e\u30b5\u30d6\u30b0\u30eb\u30fc\u30d7\u89e3\u6790\u3067\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u7fa4\u306b\u3082T-DM1\u306e\u52b9\u679c\u304c\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u306a\u304aT-DM1\u3068\u653e\u5c04\u7dda\u6cbb\u7642\u306e\u4f75\u7528\u306b\u3064\u3044\u3066\u3067\u3042\u308b\u304c\u3001KATHERINE\u8a66\u9a13\u3067\u306fT-DM1\u306f\u653e\u5c04\u7dda\u6cbb\u7642\u3068\u4f75\u7528\u3059\u308b\u3053\u3068\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u305f\u3002\u4f75\u7528\u306b\u3088\u308b\u6709\u5bb3\u4e8b\u8c61\u306e\u5897\u52a0\u306f\u793a\u5506\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u4f75\u7528\u306f\u8a31\u5bb9\u3055\u308c\u308b\u3068\u3044\u3046\u306e\u304c\u73fe\u5728\u306e\u6a19\u6e96\u7684\u306a\u6271\u3044\u3068\u601d\u308f\u308c\u308b\u3002\u30db\u30eb\u30e2\u30f3\u53d7\u5bb9\u4f53\u304c\u967d\u6027\u306e\u75c7\u4f8b\u3067\u306f\u30db\u30eb\u30e2\u30f3\u7642\u6cd5\u3082\u8853\u5f8c\u306b\u4f75\u7528\u3055\u308c\u308b\u3002\u6d77\u5916\u3067\u306f\u9ad8\u30ea\u30b9\u30af\u306eHER2\u967d\u6027\u3001\u30db\u30eb\u30e2\u30f3\u53d7\u5bb9\u4f53\u967d\u6027\u60a3\u8005\u306b\u306f\u3001Neratinib\u306b\u3088\u308b\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u30921\u5e74\u9593\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u9078\u629e\u80a2\u3068\u3057\u3066\u3042\u308b\u304c\u3001\u65e5\u672c\u3067\u306f\u4fdd\u967a\u9069\u5fdc\u5916\u3067\u3042\u308b\u3002<\/span><\/p>\n<h5><span style=\"font-size: 10pt\">\uff13\uff09\u624b\u8853\u5148\u884c\u306e\u5834\u5408\u306e\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u306b\u3064\u3044\u3066<\/span><\/h5>\n<p><span style=\"font-size: 10pt\">Stage\u2161B\u4ee5\u4e0a\u306e\u5834\u5408\u3000<\/span><\/p>\n<p><span style=\"font-size: 10pt\">AC or Dose-dense AC followed by Paclitaxel + Trastuzumab + Pertuzumab<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Docetaxel+Carboplatin+Trastuzumab + Pertuzumab<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Stage\u2161A\u306e\u5834\u5408\u3000<\/span><\/p>\n<p><span style=\"font-size: 10pt\">AC or Dose-dense AC followed by Paclitaxel + Trastuzumab<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Docetaxel+Carboplatin+Trastuzumab<\/span><\/p>\n<p><span style=\"font-size: 10pt\">Stage\u2160\u306e\u5834\u5408\u3000Paclitaxel + Trastuzumab<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u4ee5\u4e0a\u304c\u3001\u4e3b\u306a\u30ec\u30b8\u30e1\u30f3\u306b\u306a\u308aT-DM1\u306e\u4f7f\u3044\u51e6\u304c\u306a\u3044\u3068\u3044\u3046\u554f\u984c\u3092\u751f\u3058\u308b\u3002\u3053\u306e\u305f\u3081\u624b\u8853\u8a3a\u65ad\u306b\u3066Stage\u2161A\u4ee5\u4e0a\u306a\u308b\u3088\u3046\u306a\u75c7\u4f8b\u3092\u8853\u524d\u8a3a\u65ad\u306e\u6bb5\u968e\u3067\u7684\u78ba\u306b\u898b\u3044\u51fa\u3057\u3001\u8853\u524d\u85ac\u7269\u7642\u6cd5\u306b\u3082\u3063\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3068\u8a00\u3048\u308b\u3002<\/span><\/p>\n<div id=\"attachment_180\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-180\" class=\"size-medium wp-image-180\" src=\"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2-300x258.jpg\" alt=\"HER2 \u967d\u6027\u4e73\u304c\u3093\" width=\"300\" height=\"258\" srcset=\"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2-300x258.jpg 300w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2-768x659.jpg 768w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2-560x481.jpg 560w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2-408x350.jpg 408w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/01\/HER2_2.jpg 806w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-180\" class=\"wp-caption-text\">HER2 \u967d\u6027\u4e73\u304c\u3093<\/p><\/div>\n<h4><span style=\"font-size: 10pt\">\uff15\uff0e\u6cbb\u7642\u3092\u3088\u308a\u5f37\u5316\u3059\u308b\u6226\u7565\u306b\u3064\u3044\u3066<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">\u73fe\u5728\u3001\u8853\u524d\u85ac\u7269\u7642\u6cd5\u5f8c\u306bpCR\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u60a3\u8005\u306f\u8853\u5f8c\u306bT-DM1\u7642\u6cd5\u3092\u53d7\u3051\u308b\u3002KATHERINE\u8a66\u9a13\u3067\u306f\u3001T-DM1\u306f\u30c8\u30e9\u30b9\u30c4\u30ba\u30de\u30d6\u306b\u5bfe\u3057\u30663\u5e74iDFS\uff08invasive disease free survival\uff09\u30920.5\u306e\u30cf\u30b6\u30fc\u30c9\u6bd4\u306811\uff05\u306e\u7d76\u5bfe\u5024\u3067\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u3066\u3044\u308b<sup>4)<\/sup>\u3002\u9006\u306b\u3053\u306e\u6cbb\u7642\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u300110\uff05\u4ee5\u4e0a\u304c3\u5e74\u5f8c\u307e\u3067\u306biDFS\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u7d4c\u9a13\u3059\u308b\u3002\u5f93\u3063\u3066\u8853\u524d\u7642\u6cd5\u5f8c\u306b\u6b8b\u5b58\u75c5\u5909\u3092\u6709\u3059\u308b\u60a3\u8005\u306b\u5bfe\u3057\u3066\u306f\u3001\u4ed6\u306e\u5f37\u5316\u6226\u7565\u304c\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u3002Trastuzumab deruxtecan\u306e\u8853\u5f8c\u7642\u6cd5\u306f\u3001Destiny-Breast05\u8a66\u9a13\u3067T-DM1\u3068\u6bd4\u8f03\u691c\u8a0e\u3055\u308c\u3066\u304a\u308a\u3001T-DM1\u7642\u6cd5\u306bTucatinib\u3092\u8ffd\u52a0\u3059\u308b\u8a66\u307f\u306fCompassHER2-RD\u8a66\u9a13\u3067\u3001\u307e\u305fT-DM1\u306bAtezolizumab\u3092\u8ffd\u52a0\u3059\u308b\u8a66\u307f\u306fASTEFANIA\u8a66\u9a13\u3067\u691c\u8a0e\u3055\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u306b\u5bfe\u3059\u308b\u3082\u3046\u4e00\u3064\u306e\u6cbb\u7642\u5f37\u5316\u6226\u7565\u306f\u3001Trastuzumab\u6295\u4e0e\u5f8c\u306eNeratinib\u306e\u8ffd\u52a0\u3067\u3042\u308b\u3002ExteNET\u8a66\u9a13\u3067\u306fTrastuzumab\u3092\u30d9\u30fc\u30b9\u3068\u3057\u305f\u7642\u6cd5\u5f8c\u306bNeratinib\u30921\u5e74\u9593\u8ffd\u52a0\u6295\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30e9\u30bb\u30dc\u3068\u6bd4\u8f03\u3057\u30665\u5e74DFS\uff08disease free survival\uff09\u304c\u6709\u610f\u306b\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u7279\u306b\u30db\u30eb\u30e2\u30f3\u53d7\u5bb9\u4f53\u967d\u6027\u60a3\u8005\u3067\u793a\u3055\u308c\u305f<sup>5)<\/sup>\u3002CNS\uff08\u4e2d\u67a2\u795e\u7d4c\u7cfb\uff09\u518d\u767a\u306f\u3001Trastuzumab\u7d42\u4e86\u5f8c1\u5e74\u4ee5\u5185\u306bNeratinib\u3092\u6295\u4e0e\u3055\u308c\u305f\u30db\u30eb\u30e2\u30f3\u53d7\u5bb9\u4f53\u967d\u6027\u60a3\u8005\u3067\u306f\u3001\u30d7\u30e9\u30bb\u30dc\u3068\u6bd4\u8f03\u3057\u3066\u6539\u5584\u3057\u305f \u3002\u3053\u306e\u3053\u3068\u306fpCR\u3092\u9054\u6210\u3057\u305f\u60a3\u8005\u3067\u3042\u3063\u3066\u3082HER2\u967d\u6027\u4e73\u764c\u60a3\u8005\u3067\u306fCNS\u518d\u767a\u306e\u983b\u5ea6\u304c\u9ad8\u3044\u3053\u3068\u304b\u3089\u7279\u306b\u91cd\u8981\u3067\u3042\u308b\u3002ExteNET\u8a66\u9a13\u306e\u7d50\u679c\u306e\u9650\u754c\u306f\u3001Pertuzumab\u307e\u305f\u306fT-DM1\u306e\u6295\u4e0e\u3092\u53d7\u3051\u305f\u3053\u3068\u306e\u3042\u308b\u8a66\u9a13\u53c2\u52a0\u8005\u304c\u3044\u306a\u304b\u3063\u305f\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u306e\u3053\u3068\u306fHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306e\u6700\u8fd1\u306e\u96c6\u56e3\u306b\u304a\u3051\u308bNeratinib\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u306e\u6709\u52b9\u6027\u3092\u63a8\u5b9a\u3059\u308b\u3053\u3068\u3092\u56f0\u96e3\u306b\u3057\u3066\u3044\u308b\u3002<\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\uff16\uff0e\u6cbb\u7642\u3092\u3088\u308a\u8efd\u6e1b\u3059\u308b\u6226\u7565\u306b\u3064\u3044\u3066<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">\u5316\u5b66\u7642\u6cd5\u3068\u6297HER2\u7642\u6cd5\u3092\u53d7\u3051\u305fHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306e\u591a\u304f\u304c\u4e88\u5f8c\u826f\u597d\u3067\u3042\u308b\u3053\u3068\u3082\u4e8b\u5b9f\u3067\u3042\u308b\u3002\u3053\u306e\u305f\u3081\u6bd2\u6027\u3068\u30b3\u30b9\u30c8\u3092\u4f4e\u6e1b\u3059\u308b\u76ee\u7684\u3067\u3001\u6cbb\u7642\u5f37\u5ea6\u3092\u8efd\u6e1b\u3059\u308b\u69d8\u3005\u306a\u8a66\u307f\u304c\u306a\u3055\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<h5><span style=\"font-size: 10pt\">\uff11\uff09\u30a2\u30f3\u30c8\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u306e\u7701\u7565\u306b\u3064\u3044\u3066<\/span><\/h5>\n<p><span style=\"font-size: 10pt\">\u30a2\u30f3\u30b9\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u306fHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u6cbb\u7642\u306e\u591a\u5264\u4f75\u7528\u5316\u5b66\u7642\u6cd5\u306e\u9aa8\u683c\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u3066\u304d\u305f\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3053\u308c\u3089\u306e\u60a3\u8005\u306e\u4e88\u5f8c\u304c\u6539\u5584\u3059\u308b\u306b\u3064\u308c\u3001\u305d\u306e\u6709\u5bb3\u4e8b\u8c61\u3067\u3042\u308b\u5fc3\u4e0d\u5168\u306e\u5897\u52a0\u3084\u767d\u8840\u75c5\u306a\u3069\u306e\u4e8c\u6b21\u764c\u306e\u767a\u751f\u306a\u3069\u304c\u554f\u984c\u8996\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\uff0c\u8fd1\u5e74\u30a2\u30f3\u30b9\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3057\u305f\u5316\u5b66\u7642\u6cd5\u306e\u958b\u767a\u304c\u9032\u3081\u3089\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u307e\u3067\u306b\u3001Carboplatin +Docetaxel+Trastuzumab\uff08BCIRG 006\u8a66\u9a13<sup>6<\/sup><sup>\uff09<\/sup>\uff09\uff0cPaclitaxel + Trastuzumab\uff08APT\u8a66\u9a13<sup>7<\/sup><sup>\uff09<\/sup>\uff09\uff0cDocetaxel+Cyclophosphamide + Trastuzumab\uff08US Oncology NCT00493649\u8a66\u9a13<sup>8<\/sup><sup>\uff09<\/sup>\uff09\u306e3\u30ec\u30b8\u30e1\u30f3\u306b\u3064\u3044\u3066\u5831\u544a\u304c\u3042\u308b\u3002<\/span><\/p>\n<p><span style=\"font-size: 10pt\">\u3053\u308c\u3089\u306f\u30a2\u30f3\u30b9\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u542b\u3080\u30ec\u30b8\u30e1\u30f3\u306b\u5bfe\u3057\u3066\uff0c\u30a2\u30f3\u30b9\u30e9\u30b5\u30a4\u30af\u30ea\u30f3\u3092\u7701\u7565\u3057\u305f\u30bf\u30ad\u30b5\u30f3\u3068Trastuzumab\u306e\u4f75\u7528\u7642\u6cd5\u306e\u512a\u8d8a\u6027\u3084\u975e\u52a3\u6027\u3092\u691c\u8a3c\u3057\u305f\u81e8\u5e8a\u8a66\u9a13\u3067\u306f\u306a\u3044\u304c\uff0c\u3044\u305a\u308c\u3082\u4e88\u5f8c\u3092\u60aa\u5316\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u5fc3\u75be\u60a3\u3084\u4e8c\u6b21\u764c\u306a\u3069\u306e\u6709\u5bb3\u4e8b\u8c61\u3092\u6e1b\u5c11\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u793a\u5506\u3055\u308c\u3066\u304a\u308a\u3001\u4e00\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306f\u4f7f\u7528\u53ef\u80fd\u3067\u3042\u308b\u304c\u3001\u7d50\u8ad6\u306f\u307e\u3060\u5f97\u3089\u308c\u3066\u3044\u306a\u3044\u3002<\/span><\/p>\n<h5><span style=\"font-size: 10pt\">\uff12\uff09\u6297HER2\u7642\u6cd5\u306e\u6295\u4e0e\u671f\u9593\u306e\u77ed\u7e2e\u306b\u3064\u3044\u3066<\/span><\/h5>\n<p><span style=\"font-size: 10pt\">\u6297HER2\u7642\u6cd5\u306e\u671f\u9593\u306b\u3064\u3044\u30661\u5e74\u9593\u3068\u3044\u3046\u671f\u9593\u304c\u5143\u3005\u8a2d\u5b9a\u3055\u308c\u305f\u304c\u3001\u3053\u306e\u671f\u9593\u306b\u306f\u660e\u78ba\u306a\u79d1\u5b66\u7684\u6839\u62e0\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u304b\u3063\u305f\u3002\u305d\u306e\u5f8cHERA\u8a66\u9a13\u30672\u5e74\u9593\u30681\u5e74\u9593\u306b\u52b9\u679c\u306e\u5dee\u304c\u306a\u304b\u3063\u305f\u3053\u3068\u304b\u3089\u30011\u5e74\u9593\u6295\u4e0e\u304c\u6a19\u6e96\u3068\u306a\u308a<sup>9)<\/sup>\u3001\u305d\u306e\u5f8c\u306f\u671f\u9593\u3092\u77ed\u7e2e\u3059\u308b\u7b2c3\u76f8\u81e8\u5e8a\u8a66\u9a13\u304c\u3044\u304f\u3064\u304b\u5b9f\u65bd\u3055\u308c\u305f\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3053\u308c\u3089\uff15\u8a66\u9a13\u306e\u8907\u5408\u89e3\u6790\u3067\u306f\u3001\u671f\u9593\u77ed\u7e2e\u306b\u3088\u308b\u6709\u5bb3\u4e8b\u8c61\u306f\u6709\u610f\u306b\u6e1b\u5c11\u3057\u305f\u3082\u306e\u306e\u306f\u8a3c\u660e\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u6297HER2\u7642\u6cd5\u306e\u81f3\u9069\u671f\u9593\u304c1\u5e74\u9593\u3068\u3044\u3046\u8a8d\u8b58\u306b\u73fe\u5728\u307e\u3067\u5909\u5316\u306f\u306a\u3044\u3002\u518d\u767a\u306e\u4f4e\u30ea\u30b9\u30af\u304c\u4e88\u60f3\u3055\u308c\u308b\u75c7\u4f8b\u3084\u3001\u9ad8\u9f62\u30fb\u5408\u4f75\u75c7\u306b\u3088\u308a\u6297HER2\u7642\u6cd5\u306e\u5fcd\u5bb9\u6027\u304c\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u75c7\u4f8b\u306b\u306f\u77ed\u7e2e\u304c\u53ef\u80fd\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<h4><span style=\"font-size: 10pt\">\u7d50\u8a9e<\/span><\/h4>\n<p><span style=\"font-size: 10pt\">HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u306fHER2\u6a19\u7684\u7642\u6cd5\u306e\u958b\u767a\u306b\u3088\u308a\u305d\u306e\u4e88\u5f8c\u304c\u5927\u304d\u304f\u6539\u5584\u3057\u305f\u304c\u305d\u308c\u3067\u3082\u518d\u767a\u3059\u308b\u60a3\u8005\u306f\u5b58\u5728\u3057\u3001\u4e00\u65b9\u3067\u6cbb\u7652\u304c\u5f97\u3089\u308c\u305f\u591a\u304f\u306e\u60a3\u8005\u306b\u306f\u904e\u5270\u6cbb\u7642\u306e\u61f8\u5ff5\u304c\u3042\u308b\u3002\u73fe\u5728\u306eHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u306e\u85ac\u7269\u7642\u6cd5\u306e\u8af8\u554f\u984c\u306b\u3064\u3044\u3066\u8a00\u53ca\u3057\u305f\u3002<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">1)\u00a0 Mart\u00ednez-S\u00e1ez O. Adrienne G.W. Individualizing Curative-Intent Therapy in HER2-Positive Early-Stage Breast Cancer\u00a0 Curr Treat Options Oncol \u00a024(5):479-495. 2023<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">2) Garutti M. Cucciniello L. et al: Risk-Based Therapeutic Strategies for HER2-Positive Early Breast Cancer: A Consensus Paper Clin Breast Cancer \u00a0S1526-8209(23) 2023<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">3) Dowling G.P. Keelan S. et al: Review of the status of neoadjuvant therapy in HER2-positive breast cancer\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Front Oncol. PMID: 36793602 2023<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">4) Hurvitz SA, Martin M et al; Neoadjuvant trastuzumab, pertuzumab, and chemotherapy versus trastuzumab emtansine plus pertuzumab in patients with HER2-positive breast cancer (KRISTINE): a randomised, open-label, multicentre, phase 3 trial.\u00a0\u00a0<\/span><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">Lancet Oncol. 19(1):115-126. 2018<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">5)\u00a0 Martin M. Holmes F.A. et al: Neratinib after trastuzumab-based adjuvant therapy in HER2-positive breast cancer (ExteNET): 5-year analysis of a randomised, double-blind, placebo-controlled, phase 3 trial\u00a0\u00a0<\/span><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">Lancet Oncol. 18(12):1688-1700 ,2017<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">6) Slamon D, Eiermann W et al: Adjuvant trastuzumab in HER2-positive breast cancer. N Engl J Med. 365\uff1a1273-83. 2011<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">7) Tolaney SM, Barry WT et al: Adjuvant paclitaxel and trastuzumab for node-negative, HER2-positive breast cancer. N Engl J Med. 372\uff082\uff09\uff1a134-41. 2015<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">8) Jones SE, Collea R. et al: \u00a0Adjuvant docetaxel and cyclophosphamide plus trastuzumab in patients with HER2-amplified early stage breast cancer\uff1aa single-group, open-label, phase 2 study. Lancet Oncol. 14\uff0811\uff09\uff1a1121-8.\u30002013<\/span><\/p>\n<p><span style=\"font-size: 8pt;font-family: arial, helvetica, sans-serif\">9)\u00a0 Goldhirsch A, Gelber RD. et al: 2 years versus 1 year of adjuvant trastuzumab for HER2-positive breast cancer (HERA): an open-label, randomised controlled trial. Lancet 382: 1021\u20131028, 2013<\/span><\/p>\n<div id=\"attachment_194\" style=\"width: 310px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-194\" class=\"size-medium wp-image-194\" src=\"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966-300x225.jpg 300w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966-768x576.jpg 768w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966-560x420.jpg 560w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966-467x350.jpg 467w, http:\/\/www.tokyo-breast-clinic.jp\/seminar\/wp-content\/uploads\/sites\/5\/2020\/06\/IMG-4966.jpg 1533w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-194\" class=\"wp-caption-text\">\u864e\u306e\u9580\u75c5\u9662<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>HER2\u967d\u6027\u65e9\u671f\u4e73\u304c\u3093\u306e\u85ac\u7269\u7642\u6cd5\u306b\u3064\u3044\u3066 \u864e\u306e\u9580\u75c5\u9662\u4e73\u817a\u5185\u5206\u6ccc\u5916\u79d1\u3000\u5ddd\u7aef\u82f1\u5b5d \uff11\uff0e\u306f\u3058\u3081\u306b \u6d78\u6f64\u6027\u4e73\u764c\u306e15\uff5e20\uff05\u3067HER2\u306e\u907a\u4f1d\u5b50\u5897\u5e45\u307e\u305f\u306f\u86cb\u767d\u904e\u5270\u767a\u73fe\u304c\u8a8d\u3081\u3089\u308c\u3001\u5c40\u6240\u6cbb\u7642\u306e\u307f\u3067\u306f\u3053\u308c\u3089\u306e\u4e73\u764c\u60a3\u8005\u306e\u4e88\u5f8c\u306f\u4e0d\u826f\u3067\u3042\u308b\u3002\u3057\u304b\u3057HER2\u6a19\u7684\u7642\u6cd5\u306e\u958b\u767a\u306b\u3088\u308a\u3001HER2\u967d\u6027\u60a3\u8005\u306e\u4e88\u5f8c\u306f\u5287\u7684\u306b\u6539\u5584\u3057\u305f\u3002Trastuzumab\u306f\u6700\u521d\u306b\u627f\u8a8d\u3055\u308c\u305f\u6297HER2\u6cbb\u7642\u85ac\u3067\u3042\u308a\u3001Trastuzumab\u3092\u5316\u5b66\u7642\u6cd5\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306e\u4e88\u5f8c\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u30012006\u5e74\u306bTrastuzumab\u306e\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u304cFDA\u306b\u627f\u8a8d\u3055\u308c\u30011\u5e74\u9593\u306eTrastuzumab\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u6a19\u6e96\u6cbb\u7642\u3068\u3057\u3066\u78ba\u7acb\u3055\u308c\u305f\u3002\u73fe\u5728\u5468\u8853\u671f\u306e\u6a19\u6e96\u6cbb\u7642\u306b\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305d\u306e\u4ed6\u306e\u6297HER2\u7642\u6cd5\u85ac\u306b\u306f\u3001\u6297\u4f53Pertuzumab\u3001\u6297\u4f53\u85ac\u7269\u8907\u5408\u4f53T-DM1\u3001\u6d77\u5916\u3067\u306f\u30c1\u30ed\u30b7\u30f3\u30ad\u30ca\u30fc\u30bc\u963b\u5bb3\u5264Neratinib\u304c\u3042\u308b\u3002\u591a\u304f\u306eHER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306b\u5bfe\u3057\u3066\u3001\u8853\u5f8c\u7642\u6cd5\u304b\u3089\u8853\u524d\u7642\u6cd5\u3078\u306e\u30d1\u30e9\u30c0\u30a4\u30e0\u30b7\u30d5\u30c8\u304c\u8d77\u3053\u308a\u3001\u816b\u760d\u306e\u30c0\u30a6\u30f3\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0\u3001\u85ac\u7269\u7642\u6cd5\u306e\u816b\u760d\u611f\u53d7\u6027\u306e\u8a55\u4fa1\u304c\u5bb9\u6613\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u8853\u524d\u7642\u6cd5\u306b\u5bfe\u3059\u308b\u75c5\u7406\u5b66\u7684\u594f\u52b9\u306e\u7a0b\u5ea6\u306f\u3001HER2\u967d\u6027\u65e9\u671f\u60a3\u8005\u306e\u9577\u671f\u4e88\u5f8c\u306e\u5f37\u529b\u306a\u4ee3\u66ff\u6307\u6a19\u3067\u3042\u308a\u3001\u8853\u5f8c\u88dc\u52a9\u7642\u6cd5\u306e\u500b\u5225\u5316\u306b\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u3002 HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u306e\u6cbb\u7642\u306b\u304a\u3051\u308b\u5927\u304d\u306a\u9032\u6b69\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u307e\u3060\u6539\u5584\u3059\u3079\u304d\u70b9\u306f\u591a\u304f\u5b9f\u969b\u306b\u518d\u767a\u3092\u7d4c\u9a13\u3059\u308b\u3053\u3068\u3082\u5c11\u306a\u304f\u306a\u3044\u3002\u3053\u306e\u30ea\u30b9\u30af\u306fpCR\uff08\u6d78\u6f64\u75c5\u5909\u306e\u6d88\u5931\uff09\u304c\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u60a3\u8005\u3067\u5927\u304d\u3044\u3002\u3057\u304b\u3057pCR\u304c\u5f97\u3089\u308c\u305f\u60a3\u8005\u306b\u3082\u518d\u767a\u30ea\u30b9\u30af\u306f\u5b58\u5728\u3057\u3001\u4e3b\u306b\u521d\u56de\u8a3a\u65ad\u6642\u306e\u816b\u760d\u91cf\u304c\u591a\u304b\u3063\u305f\u5834\u5408\u306b\u518d\u767a\u304c\u8d77\u304d\u3084\u3059\u3044\u3002HER2\u967d\u6027\u65e9\u671f\u4e73\u764c\u60a3\u8005\u306b\u304a\u3051\u308b\u4e2d\u67a2\u795e\u7d4c\u7cfb\u518d\u767a\u306e\u53ef\u80fd\u6027\u306f\u3001\u3082\u3046\u4e00\u3064\u306e\u554f\u984c\u3067\u3042\u308a\u3001\u6297HER2\u6cbb\u7642\u306e\u5927\u90e8\u5206\u306f\u4e2d\u67a2\u795e\u7d4c\u7cfb\u8ee2\u79fb\u4e88\u9632\u306b\u306f\u5f79\u7acb\u3063\u3066\u3044\u306a\u3044\u3002\u4e00\u65b9\u3067\u521d\u56de\u8a3a\u65ad\u6642\u306e\u816b\u760d\u91cf\u306e\u5c11\u306a\u3044HER2\u967d\u6027\u60a3\u8005\u306e\u591a\u304f\u306f\u3001\u73fe\u5728\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u5341\u5206\u6cbb\u7652\u3059\u308b\u3068\u601d\u308f\u308c\u3001\u591a\u5264\u4f75\u7528\u5316\u5b66\u7642\u6cd5\u30ec\u30b8\u30e1\u30f3\u3092\u4f7f\u7528\u3057\u306a\u304f\u3066\u3082\u305d\u306e\u591a\u304f\u304c\u6cbb\u7652\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u63a8\u6e2c\u3055\u308c\u3066\u304a\u308a\u3001\u4e0d\u5fc5\u8981\u306a\u30b3\u30b9\u30c8\u3084\u6bd2\u6027\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u6cbb\u7642\u3092\u8efd\u6e1b\u3059\u308b\u9069\u5207\u306a\u6226\u7565\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b1),2),3)\u3002 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