雖然這個臨床試驗結果還沒有出來, 但是在臨床上有其重要性, 因此還是先來做個筆記, 等待是漫長的XD
在Targit-A 裡面(相關文章點此), 主要是希望用一次性的IORT去取代體外放射治療, 臨床上目前許多醫院已經這樣實行了一段時間, 然而Targit-A 有其適應症, 因此並不是每個病人都適用.
反過來講, 針對比較高風險的病人, 在做完IORT後, 仍然去做體外放療, 和傳統體外放療加上tumor bed boost 去比, 哪種的預後會比較好, 在臨床上是個有價值的題目. 因此, Targit 小組就開始了這個臨床試驗, 以下就來細讀吧!
Targit-B 收案條件都是局部復發風險比較高的, 共有以下幾個收案條件:
1. 45歲以下
2. 超過45歲, 再加上下面的一個危險因子
(1) lymphovascular invasion
(2) gross nodal involvement (not micrometastasis)
(3) more than one tumor in the breast but still suitable for breast conserving surgery through a single specimen
3. 超過45歲, 再加上下面的兩個危險因子
(1) ER and/or PgR negative
(2) Grade 3 histology
(3) Positive margins at first excision
4. Those patients with large tumors which have responded to neo-adjuvant chemo- or hormone therapy in an attempt to shrink the tumor and are suitable for breast conserving surgery as a result.
5. Lobular carcinoma or Extensive Intraductal Component (EIC)
6. A list (one to many) of high risk factors are present (as predefined in the policy document) that give a high risk of local recurrence.
2. 超過45歲, 再加上下面的一個危險因子
(1) lymphovascular invasion
(2) gross nodal involvement (not micrometastasis)
(3) more than one tumor in the breast but still suitable for breast conserving surgery through a single specimen
3. 超過45歲, 再加上下面的兩個危險因子
(1) ER and/or PgR negative
(2) Grade 3 histology
(3) Positive margins at first excision
4. Those patients with large tumors which have responded to neo-adjuvant chemo- or hormone therapy in an attempt to shrink the tumor and are suitable for breast conserving surgery as a result.
5. Lobular carcinoma or Extensive Intraductal Component (EIC)
6. A list (one to many) of high risk factors are present (as predefined in the policy document) that give a high risk of local recurrence.
就讓我們繼續期待結果吧!
Reference:
1. https://clinicaltrials.gov/ct2/show/NCT01792726
2. https://www.targit.org.uk/targit-b-trial
2. https://www.targit.org.uk/targit-b-trial
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