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Guidelines for the Management of Haematological Malignancies

Guidelines for the Management of Haematological Malignancies

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explains <strong>the</strong> resistance to conventional chemo<strong>the</strong>rapeutic agents. The only licensed <strong>the</strong>rapy <strong>for</strong><br />

fludarabine-refractory CLL is alemtuzumab. The response rates to alemtuzumab are most influenced<br />

by <strong>the</strong> size <strong>of</strong> lymphadenopathy. The duration <strong>of</strong> remission and survival following alemtuzumab are<br />

related to <strong>the</strong> depth <strong>of</strong> remission including whe<strong>the</strong>r minimal residual disease is eradicated. It is<br />

recommended that <strong>the</strong>se patients are referred <strong>for</strong> consideration by <strong>the</strong> specialist CLL MDT. The<br />

following approaches are indicated <strong>for</strong> patients with refractory CLL who are considered suitable <strong>for</strong><br />

intensive treatment:<br />

CLL206(CamPred) trial: Phase II trial <strong>for</strong> Fludarabine refractory patients with p53 deletion analysing<br />

<strong>the</strong> efficacy <strong>of</strong> high dose steroids and alemtuzumab. (Level 1 or 2)<br />

Patients with predominantly blood and marrow disease with relatively small lymph nodes should be<br />

treated with alemtuzumab. (Moreton, Kennedy et al. 2005)The aim <strong>of</strong> <strong>the</strong>rapy should be to eradicate<br />

detectable minimal residual disease from <strong>the</strong> marrow.<br />

Patients with bulky lymphadenopathy should receive initial <strong>the</strong>rapy to reduce <strong>the</strong> bulk <strong>of</strong> lymph nodes<br />

prior to treatment with alemtuzumab in order to eradicate detectable minimal residual disease. Highdose<br />

methyl prednisolone (1g/m 2 /day <strong>for</strong> 5 days every 4 weeks) is effective in patients <strong>for</strong> whom high<br />

dose steroids are not contra-indicated. (Level 1)<br />

Allogeneic stem cell transplantation<br />

CLL is an incurable disease by conventional treatment approaches. The transplant related morbidity<br />

and mortality <strong>for</strong> allogeneic stem cell transplantation is very high. However <strong>the</strong>re is a significant graftversus-CLL<br />

effect and long-term disease free survival is achievable following allogeneic stem cell<br />

transplantation. Patients who are possible candidates <strong>for</strong> allogeneic stem cell transplantation should<br />

be considered by <strong>the</strong> MDT in Leeds on a case-by-case basis. Patients are generally only considered<br />

<strong>for</strong> allogeneic transplantation if <strong>the</strong>y have poor-risk disease ei<strong>the</strong>r according to biological<br />

characteristics <strong>of</strong> <strong>the</strong>ir CLL or because <strong>the</strong>y have fludarabine-refractory disease. (Level 4)<br />

<strong>Guidelines</strong> <strong>for</strong> <strong>the</strong> <strong>Management</strong> <strong>of</strong> <strong>Haematological</strong> <strong>Malignancies</strong><br />

8. CHRONIC LYMPHOCYTIC LEUKAEMIA<br />

20

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