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Background: The goal was to detect the levels of immunoglobulin (Ig) and complements (C) in patients newly diagnosed as multiple myeloma (MM) and to analyze their value in evaluating the efficacy of bortezomib and the impact on survival time.
Methods: A total of 125 patients newly diagnosed as MM admitted to our hospital were included into the research group, while another 118 healthy volunteers were recruited into the control group. The effectiveness of Ig and C in efficacy evaluation after treatment with bortezomib and the influencing factors for the survival rate were analyzed. Moreover, survival analysis was conducted.
Results: The response rate was 78.51% in the research group. The sensitivity and area under the curve (AUC) of combination of serum IgG, κ light chain, λ light chain, C3 and C4 levels in efficacy evaluation were 97.89% and 0.791, respectively, which were superior to those of any single indicator (p < 0.05). The proportion of stage III cases and the levels of serum IgG, κ light chain, λ light chain, C3 and C4 among the dead patients were higher than those among the surviving patients (p < 0.05). Stage III, serum IgG, κ light chain, λ light chain, C3 and C4 were all the risk factors for death in the research group. The increase in the above indicators was associated with the death of patients (p < 0.05).
Conclusions: The combination of serum IgG, κ light chain, λ light chain, C3 and C4 levels can be more effective than any single indicator in efficacy evaluation of bortezomib.
DOI: 10.7754/Clin.Lab.2023.230210
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