PMID- 31125272 OWN - NLM STAT- MEDLINE DCOM- 20200909 LR - 20200909 IS - 1029-2403 (Electronic) IS - 1026-8022 (Linking) VI - 60 IP - 13 DP - 2019 Dec TI - Outcomes of patients with chronic phase chronic myeloid leukemia (CML-CP) after discontinuation of frontline ponatinib therapy. PG - 3172-3180 LID - 10.1080/10428194.2019.1617862 [doi] AB - Considering the risk of arterio-thrombotic adverse events (AEs), ponatinib trials in previously untreated chronic myeloid leukemia chronic phase (CML-CP) were terminated. We conducted a retrospective CML-CP outcome study of patients who discontinued frontline-ponatinib. Among 51 patients who received frontline ponatinib, 38 discontinued because of FDA request and 13 due to AEs. At ponatinib discontinuation, all patients remained in CP with deepest response being CCyR, n = 7; PCyR, n = 4; MMR, n = 14; MR4.5, n = 26. Of the four patients in PCyR at ponatinib discontinuation, two improved response to CCyR on subsequent TKI. Of seven patients, in CCyR at discontinuation, five improved response to MMR or deeper, one was inevaluable, and another lost response due to treatment noncompliance. With a median follow-up of 39 months, 3-year EFS and OS were 92% and 96%, respectively, indicating favorable long-term outcomes. The cardiac/vascular system AEs with subsequent TKI occurred in patients with prior similar events on ponatinib. AEs occurred up to 9 months post-ponatinib. FAU - Boddu, Prajwal AU - Boddu P AUID- ORCID: 0000-0001-9408-5882 AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Jain, Preetesh AU - Jain P AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Borthakur, Gautam AU - Borthakur G AUID- ORCID: 0000-0001-7679-6453 AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Verstovsek, Srdan AU - Verstovsek S AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Garcia-Manero, Guillermo AU - Garcia-Manero G AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Daver, Naval AU - Daver N AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Kadia, Tapan AU - Kadia T AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Ravandi, Farhad AU - Ravandi F AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Jabbour, Elias AU - Jabbour E AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Cortes, Jorge AU - Cortes J AUID- ORCID: 0000-0002-8636-1071 AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. FAU - Kantarjian, Hagop AU - Kantarjian H AD - Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA. LA - eng GR - P01 CA049639/CA/NCI NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural DEP - 20190524 PL - United States TA - Leuk Lymphoma JT - Leukemia & lymphoma JID - 9007422 RN - 0 (Imidazoles) RN - 0 (Protein Kinase Inhibitors) RN - 0 (Pyridazines) RN - 4340891KFS (ponatinib) SB - IM MH - Adult MH - Aged MH - Disease-Free Survival MH - Female MH - Humans MH - Imidazoles/*administration & dosage/adverse effects MH - Kaplan-Meier Estimate MH - Leukemia, Myeloid, Chronic-Phase/*drug therapy/mortality MH - Male MH - Middle Aged MH - Protein Kinase Inhibitors/*administration & dosage/adverse effects MH - Pyridazines/*administration & dosage/adverse effects MH - Retrospective Studies MH - Thrombosis/chemically induced/*epidemiology/prevention & control MH - *Withholding Treatment MH - Young Adult OTO - NOTNLM OT - Ponatinib OT - chronic myeloid leukemia OT - chronic phase OT - frontline OT - outcomes EDAT- 2019/05/28 06:00 MHDA- 2020/09/10 06:00 CRDT- 2019/05/25 06:00 PHST- 2019/05/28 06:00 [pubmed] PHST- 2020/09/10 06:00 [medline] PHST- 2019/05/25 06:00 [entrez] AID - 10.1080/10428194.2019.1617862 [doi] PST - ppublish SO - Leuk Lymphoma. 2019 Dec;60(13):3172-3180. doi: 10.1080/10428194.2019.1617862. Epub 2019 May 24.