Quantitative PCR for Monitoring CML Patients 91 11. Olavarria, E., Kanfer, E., Szydlo, R., et al. (2001) Early detection of BCR-ABL transcripts by quantitative reverse transcriptase-polymerase chain reaction predicts outcome after allogeneic stem cell transplantation for chronic myeloid leukemia. Blood 97, 1560–1565. 12. Radich, J. P., Gooley, T., Bryant, E., et al. (2001) The significance of bcr-abl molecular detection in chronic myeloid leukemia patients “late,” 18 months or more after transplantation. Blood 98, 1701–1707. 13. Merx, K., Muller, M. C., Kreil, S., et al. (2002) Early reduction of BCR-ABL mRNA transcript levels predicts cytogenetic response in chronic phase CML patients treated with imatinib after failure of interferon alpha. <strong>Leukemia</strong> 16, 1579– 1583. 14. Hughes, T. and Branford, S. (2003) Molecular monitoring of chronic myeloid leukemia. Semin. Hematol. 40, 62–68. 15. Wang, L., Pearson, K., Ferguson, J. E., and Clark, R. E. (2003) The early molecular response to imatinib predicts cytogenetic and clinical outcome in chronic myeloid leukaemia. Br. J. Haematol. 120, 990–999. 16. Muller, M. C., Gattermann, N., Lahaye, T., et al. (2003) Dynamics of BCR-ABL mRNA expression in first-line therapy of chronic myelogenous leukemia patients with imatinib or interferon alpha/ara-C. <strong>Leukemia</strong> 17, 2392–2400. 17. Hughes, T. P., Kaeda, J., Branford, S., et al. (2003) Frequency of major molecular responses to imatinib or interferon alfa plus cytarabine in newly diagnosed chronic myeloid leukemia. N. Engl. J. Med. 349, 1423–1432. 18. Paschka, P., Muller, M. C., Merx, K., et al. (2003) Molecular monitoring of response to imatinib (Glivec) in CML patients pretreated with interferon alpha. Low levels of residual disease are associated with continuous remission. <strong>Leukemia</strong> 17, 1687–1694. 19. Branford, S., Rudzki, Z., Harper, A., et al. (2003) Imatinib produces significantly superior molecular responses compared to interferon alfa plus cytarabine in patients with newly diagnosed chronic myeloid leukemia in chronic phase. <strong>Leukemia</strong> 17, 2401–2409. 20. Melo, J. V. (1997) BCR-ABL gene variants. Baillieres Clin. Haematol. 10, 203–222. 21. Saglio, G., Guerrasio, A., Rosso, C., et al. (1990) New type of Bcr/Abl junction in Philadelphia chromosome-positive chronic myelogenous leukemia. Blood 76, 1819–1824. 22. Pane, F., Frigeri, F., Sindona, M., et al. (1996) Neutrophilic-chronic myeloid leukemia: a distinct disease with a specific molecular marker (BCR/ABL with C3/ A2 junction). Blood 88, 2410–2414. 23. Branford, S., Rudzki, Z., and Hughes, T. P. (2000) A novel BCR-ABL transcript (e8a2) with the insertion of an inverted sequence of ABL intron 1b in a patient with Philadelphia-positive chronic myeloid leukaemia. Br. J. Haematol. 109, 635–637. 24. Okamoto, K., Karasawa, M., Sakai, H., Ogura, H., Morita, K., and Naruse, T. (1997) A novel acute lymphoid leukaemia type BCR/ABL transcript in chronic myelogenous leukaemia. Br. J. Haematol. 96, 611–613.
92 Branford and Hughes 25. Rubinstein, R. and Purves, L. R. (1998) A novel BCR-ABL rearrangement in a Philadelphia chromosome-positive chronic myelogenous leukaemia variant with thrombocythaemia. <strong>Leukemia</strong> 12, 230–232. 26. How, G. F., Lim, L. C., Kulkarni, S., Tan, L. T., Tan, P., and Cross, N. C. (1999) Two patients with novel BCR/ABL fusion transcripts (e8/a2 and e13/a2) resulting from translocation breakpoints within BCR exons. Br. J. Haematol. 105, 434– 436. 27. Cross, N. C., Feng, L., Chase, A., Bungey, J., Hughes, T. P., and Goldman, J. M. (1993) Competitive polymerase chain reaction to estimate the number of BCR- ABL transcripts in chronic myeloid leukemia patients after bone marrow transplantation. Blood 82, 1929–1936. 28. Westgard, J. O., Barry, P. L., Hunt, M. R., and Groth, T. (1981) A multi-rule Shewhart chart for quality control in clinical chemistry. Clin. Chem. 27, 493–501. 29. Cross, N. C., Hughes, T. P., Feng, L., et al. (1993) Minimal residual disease after allogeneic bone marrow transplantation for chronic myeloid leukaemia in first chronic phase: correlations with acute graft-versus-host disease and relapse. Br. J. Haematol. 84, 67–74.