6-month follow-up of VIALE-C demonstrates improved and durable efficacy in patients with untreated AML ineligible for intensive chemotherapy (141/150)

Andrew H. Wei, Panayiotis Panayiotidis, Pau Montesinos, Kamel Laribi, Vladimir Ivanov, Inho Kim, Jan Novak, Don A. Stevens, Walter Fiedler, Maria Pagoni, Julie Bergeron, Stephen B. Ting, Jing Zhou Hou, Achilles Anagnostopoulos, Andrew McDonald, Vidhya Murthy, Takahiro Yamauchi, Jianxiang Wang, Brenda Chyla, Yan SunQi Jiang, Wellington Mendes, John Hayslip, Courtney D. DiNardo

Research output: Contribution to journalArticlepeer-review

Abstract

VIALE-C compared the safety and efficacy of venetoclax or placebo plus low-dose cytarabine (+LDAC) in patients with untreated AML ineligible for intensive chemotherapy. Overall, 211 patients were enrolled (n = 143, venetoclax; n = 68, placebo). At the primary analysis, the study did not meet its primary endpoint of a statistically significant improvement in overall survival (OS), however, ~60% of patients had been on study for ≤6-months. Here, we present an additional 6-months of follow-up of VIALE-C (median follow-up 17.5 months; range 0.1–23.5). Median OS was (venetoclax +LDAC vs. placebo +LDAC) 8.4 vs. 4.1 months (HR = 0.70, 95% CI 0.50,0.99; P = 0.040); a 30% reduction in the risk of death with venetoclax. Complete response (CR)/CR with incomplete hematologic recovery (CRi) rates were 48.3% vs. 13.2%. Transfusion independence rates (RBC) were 43% vs.19% and median event-free survival was 4.9 vs. 2.1 months (HR = 0.61; 95% CI 0.44,0.84; P = 0.002). These results represent improved efficacy over the primary analysis. Incidence of grade ≥3 adverse events were similar between study arms and overall safety profiles were comparable to the primary analysis. These data support venetoclax +LDAC as a frontline treatment option for patients with AML ineligible for intensive chemotherapy. This trial was registered at www.clinicaltrials.gov as #NCT03069352.

Original languageEnglish (US)
Article number163
JournalBlood cancer journal
Volume11
Issue number10
DOIs
StatePublished - Oct 2021

ASJC Scopus subject areas

  • Hematology
  • Oncology

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