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instit.oncol.cluj-napoca- sectia hematologie - 2012

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. Raspuns molecular complet: transcript BCR-ABL nedetectabil la 2 determinari<br />

consecutive rqPCR<br />

3.3.2. Definitia esecului si a raspunsului suboptimal<br />

1. Esec:<br />

- La 3 luni fara raspuns hematologic (boala stabila sau progresie)<br />

- La 6 luni fara raspuns citogenetic (Ph1 >95%)<br />

- La 12 luni: mai putin decat RCP (Ph1 > 35%)<br />

- La 18 luni: mai putin decat RCC<br />

- Oricand: pierderea RCC, mutatie in domeniul kinazic al BCR-ABL<br />

2. Raspuns suboptim<br />

- La 3 luni mai putin decat RHC<br />

- La 6 luni mai putin decat RCM (Ph1 35%)<br />

- La 12 luni: mai putin decat RCC<br />

- La 18 luni: mai putin decat RMM sau anomalii citogenetice aditionale in celulele<br />

Ph1+<br />

- Oricand: pierderea RMM sau mutatie in domniul kinazic al BCR-ABL<br />

3. Atentionare<br />

- La diagnostic:<br />

- Categorie de risk (Sokal, Hasford) inalt<br />

- La 12 luni:<br />

- Mai putin decat RMM<br />

- Oricand:<br />

- Orice crestere a transcriptului BCR-ABL la rqPCR<br />

- Anomalii citogenetice aditionale in celulele Ph1 negative<br />

3.3. Mijloace terapeutice:<br />

3.3.1. Faza cronica.<br />

1. Hidroxiuree (HyU) – tratament in prima faza, imediat dupa diagnostic. Doza de HyU<br />

este de 1,5-3g/zi. Se adauga allopurinol 600 mg ziua 1 apoi 300mg/zi (+ hidratare si<br />

bicarbonat in special in caz de hiperleucocitoza, in primele 3-7 zile). Acest tratament se<br />

continua pana la obtinerea scaderii leucocitelor

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