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The Relationship Between Risk Factors and Survival in Adult Acute Lymphoblastic Leukemia.
Abolghasem Allahyari1, Seyed-Mehdi Hashemi2, Fahimeh Nazemian3
1Department of Hematology and Medical Oncology, Mashhad University of Medical Sciences, Mashhad, IR Iran.
Adults with Acute Lymphoblastic Leukemia (ALL) have poor survival rates. Age over 35 is a significant prognostic factor, indicating a need for targeted treatment strategies for older ALL patients.
Area of Science:
- Hematology
- Oncology
- Cancer Research
Background:
- Acute Lymphoblastic Leukemia (ALL) is an aggressive cancer with limited cure rates in adults (20-40%).
- Current treatment regimens for adult ALL have suboptimal efficacy.
- Understanding prognostic factors is crucial for improving outcomes in ALL patients.
Purpose of the Study:
- To identify and evaluate prognostic factors influencing survival in adult ALL patients.
- To analyze the impact of various clinical and laboratory parameters on ALL patient survival.
- To provide region-specific data from Northeast Iran to inform clinical practice.
Main Methods:
- A retrospective descriptive study was conducted on 48 adult ALL patients from 2009-2015.
- Data collected included age, sex, fever, blood group, ALL type, cytogenetics, WBC, hemoglobin, platelet counts, and amphotericin B use.
- Overall survival (OS) was analyzed using Kaplan-Meier curves and the Log-rank test.
Main Results:
- The mean age of ALL patients at diagnosis was 32.3 years, with 81.3% males.
- Significant differences in survival were observed based on age (P=0.000), with older patients faring worse.
- Five-year OS rates declined to 22.2%, and factors like fever and amphotericin B use were noted.
Conclusions:
- Age greater than 35 years emerged as the most significant negative prognostic factor in adult ALL.
- Lower life expectancy in patients receiving amphotericin B suggests severe infections or treatment resistance.
- These findings highlight the critical role of age in ALL prognosis and underscore the need for advanced therapeutic strategies.
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