PMID- 28424415 OWN - NLM STAT- MEDLINE DCOM- 20180410 LR - 20221207 IS - 1949-2553 (Electronic) IS - 1949-2553 (Linking) VI - 8 IP - 15 DP - 2017 Apr 11 TI - Clinicopathological features and outcome of chronic lymphocytic leukaemia in Chinese patients. PG - 25455-25468 LID - 10.18632/oncotarget.16037 [doi] AB - Chronic lymphocytic leukaemia (CLL) is uncommon in Chinese population and its biology, genetics and treatment outcome in Chinese patients have not been comprehensively investigated. In this study, we studied the clinicopathological features and outcome of 212 Chinese patients with newly diagnosed CLL in Hong Kong and Singapore. The median age at diagnosis was 64 years. The majority of patients presented with early-stage disease (Binet stage A, 56.1%). Del(13)(q14) was the most frequent abnormality (41.7%) detected by fluorescence in situ hybridization (FISH) analysis. Del(17p) and TP53 gene mutations were detected in 7.8% and 8.2% of patients, respectively. MYD88 mutations were found at a higher frequency (11.5%) than expected. CLL with unmutated variable region of the immunoglobulin heavy chain genes (IGHV) occurred in only 31.2% of cases, and was associated with advanced-stage disease (p <0.01) and adverse FISH abnormalities (p<0.01). With a median follow-up of 39 months, the median overall survival (OS) was 108 months. The presence of del(17p) or TP53 mutations was associated with a significantly shorter time to first treatment and an inferior OS (p <0.01). Unmutated IGHV was also associated with a significantly shorter time to treatment (p <0.01). Among patients who required treatment, the median OS and progression-free survival (PFS) were 107 and 23 months, respectively. The presence of del(17p) was associated with a significantly inferior OS and PFS (p <0.01). In summary, Chinese CLL patients had similar genetic aberrations at diagnosis compared with those of Western populations. FISH abnormalities are major factors affecting outcome. FAU - Chan, Thomas Sau-Yan AU - Chan TS AD - Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China. FAU - Lee, Yuh-Shan AU - Lee YS AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Del Giudice, Ilaria AU - Del Giudice I AD - Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy. FAU - Marinelli, Marilisa AU - Marinelli M AD - Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy. FAU - Ilari, Caterina AU - Ilari C AD - Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy. FAU - Cafforio, Luciana AU - Cafforio L AD - Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy. FAU - Guarini, Anna AU - Guarini A AD - Department of Molecular Medicine, Sapienza University, Rome, Italy. FAU - Tan, Daryl AU - Tan D AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Phipps, Colin AU - Phipps C AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Goh, Yeow-Tee AU - Goh YT AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Hwang, William AU - Hwang W AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Goh, Allan Zhi-Kai AU - Goh AZ AD - Department of Haematology, Singapore General Hospital, Outram, Singapore. FAU - Siu, Lisa Lai-Ping AU - Siu LL AD - Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China. FAU - Wu, Saliangi AU - Wu S AD - Department of Medicine, Queen Elizabeth Hospital, Hong Kong, China. FAU - Ha, Chun-Yin AU - Ha CY AD - Department of Medicine, Tuen Mun Hospital, Hong Kong, China. FAU - Lin, Shek-Ying AU - Lin SY AD - Department of Medicine, United Christian Hospital, Hong Kong, China. FAU - Kwok, Chi-Hang AU - Kwok CH AD - Department of Medicine, Princess Margaret Hospital, Hong Kong, China. FAU - Lau, Chi-Kuen AU - Lau CK AD - Department of Medicine, Tseung Kwan O Hospital, Hong Kong, China. FAU - Wong, Kit-Fai AU - Wong KF AD - Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China. FAU - Foa, Robin AU - Foa R AD - Department of Cellular Biotechnologies and Hematology, Sapienza University, Rome, Italy. FAU - Kwong, Yok-Lam AU - Kwong YL AD - Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China. FAU - Tse, Eric AU - Tse E AD - Department of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China. LA - eng PT - Journal Article PL - United States TA - Oncotarget JT - Oncotarget JID - 101532965 SB - IM MH - Adult MH - Aged MH - Aged, 80 and over MH - Asian People MH - Female MH - Humans MH - Leukemia, Lymphocytic, Chronic, B-Cell/*pathology/*therapy MH - Male MH - Middle Aged MH - Treatment Outcome PMC - PMC5421943 OTO - NOTNLM OT - Chinese OT - chronic lymphocytic leukaemia OT - clinical outcomes OT - pathological characteristics OT - prognostication COIS- CONFLICTS OF INTEREST The authors declare that they have no competing interests. EDAT- 2017/04/21 06:00 MHDA- 2018/04/11 06:00 PMCR- 2017/04/11 CRDT- 2017/04/21 06:00 PHST- 2016/11/14 00:00 [received] PHST- 2017/02/13 00:00 [accepted] PHST- 2017/04/21 06:00 [pubmed] PHST- 2018/04/11 06:00 [medline] PHST- 2017/04/21 06:00 [entrez] PHST- 2017/04/11 00:00 [pmc-release] AID - 16037 [pii] AID - 10.18632/oncotarget.16037 [doi] PST - ppublish SO - Oncotarget. 2017 Apr 11;8(15):25455-25468. doi: 10.18632/oncotarget.16037.