ArticleClinical pharmacology : advances and applications2026
Superior Efficacy and Deep Molecular Remission with Venetoclax Plus Hypomethylating Agent in Elderly Acute Myeloid Leukemia: A Real-World Comparative Cohort Study.
Article in Clinical pharmacology : advances and applications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Treatment of elderly acute myeloid leukemia (AML) remains challenging, and intensive chemotherapy is often poorly tolerated in elderly patients due to comorbidities and frailty, thereby necessitating low‑intensity alternatives. This study compared the efficacy and safety of venetoclax combined with a hypomethylating agent (VEN-HMA) against HMA plus low-intensity induction chemotherapy (HMA-LIIC) and low-intensity induction chemotherapy alone (LIIC) in a real-world elderly AML cohort. Methods: In this retrospective study, 136 newly diagnosed elderly AML patients (≥60 years) were categorized into three groups: VEN-HMA (n=45), HMA-LIIC (n=38), and LIIC (n=53). LIIC was defined as low‑dose cytarabine ‑based regimens given without a concomitant VEN or HMA. Key endpoints included morphologic response, measurable residual disease (MRD) negativity, early mortality, and overall survival (OS). Results: The VEN-HMA group demonstrated a significantly higher overall response rate (82.2%) than the HMA-LIIC (39.4%) and LIIC (54.7%) groups (p=0.010). While the complete remission (CR) rate was comparable across groups, the VEN-HMA group had a notably higher CR with incomplete hematologic recovery (CRi) rate (33.3% vs 10.5% vs 11.3%) (p=0.007). The MRD negativity rate was significantly superior in the VEN-HMA group (65.5%) compared to HMA-LIIC (18.8%) and LIIC (41.7%) (p=0.010), an advantage particularly pronounced in intermediate-risk patients (68.8% vs 12.5% vs 30.8%, p=0.021). The VEN-HMA group also had a numerically lowest 30-day early mortality (4.44% vs 7.97% vs 17.0%). With a median follow-up, the median OS was 11.0 months in the VEN-HMA group, 7.2 months in the HMA-LIIC group, and 10.1 months in the LIIC group. The VEN-HMA group showed a numerically higher 1-year OS rate (55.0%) than the HMA-LIIC group (35.0%) and comparable to the LIIC group (47.9%) (p=0.153). Conclusion: In this real-world analysis, VEN-HMA demonstrated superior response rates and deeper molecular remissions (MRD) compared to HMA-LIIC and LIIC in elderly AML patients, further supporting its use as an effective and feasible frontline option for this population, especially in the intermediate-risk group.
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