Trial reportInternational journal of hematology2025
Asciminib in patients with newly diagnosed chronic myeloid leukemia: results from the Japanese subgroup of ASC4FIRST.
Trial report in International journal of hematology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04971226 (A Phase III, Multi-center, Open-label, Randomized Study of Oral Asciminib Versus Investigator Selected TKI in Patients With Newly Diagnosed Philadelphia Chromosome Positive Chronic Myelogenous Leukemia in Chronic Phase), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase III, Multi-center, Open-label, Randomized Study of Oral Asciminib Versus Investigator Selected TKI in Patients With Newly Diagnosed Philadelphia Chromosome Positive Chronic Myelogenous Leukemia in Chronic Phase
Who cites it
2 citing papers in PubMed.
- Postmarketing surveillance study of asciminib in patients with resistant/intolerant chronic myeloid leukemia in Japan.International journal of hematology · 2026Article
- Asciminib as first-line therapy in chronic myeloid leukemia: a systematic review.Blood research · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
17 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe phase III ASC4FIRST study (NCT04971226) demonstrated superior efficacy and favorable safety and tolerability for asciminib against investigator-selected tyrosine kinase inhibitors (IS-TKI) in newly diagnosed chronic myeloid leukemia (CML). Results of a subgroup analysis in Japanese patients are presented here.
methodsAdult patients were randomized 1:1 to asciminib or IS-TKI following stratification by European Treatment and Outcome Study long-term survival risk score and prerandomization-selected TKI (imatinib and second-generation [2G] TKI strata). At week 48, major molecular response (MMR) rate in all patients and imatinib stratum (primary endpoints) were assessed along with MR4.0, MR4.5, and safety (cutoff: November 28, 2023).
resultsIn Japanese patients (asciminib, n = 21; IS-TKI, n = 17 [imatinib/2G TKI, n = 8/9]), the MMR rate was higher with asciminib (81.0%) than IS-TKI (47.1%), and versus imatinib (asciminib: 100%; imatinib: 25.0% [imatinib stratum]). More patients on asciminib than IS-TKI achieved MR4.0 (57.1% vs. 11.8%) and MR4.5 (28.6% vs. 5.9%). Fewer grade ≥ 3 adverse events (AEs; 42.9%, 50.0%, and 55.6%) and AEs leading to treatment discontinuation (0%, 37.5%, and 11.1%) occurred with asciminib than imatinib or 2G TKI.
conclusionOutcomes in Japanese patients were consistent with the ASC4FIRST overall population. Asciminib may be a therapy of choice for Japanese patients with CML.
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