The Role of Autologous Hematopoietic Stem Cell Transplantation in the Therapy of Systemic AL Amyloidosis
ISSN (print) 1997-6933     ISSN (online) 2500-2139
2023-2
PDF_2023-16-2_128-136 (Russian)

Keywords

systemic AL Amyloidosis
autologous hematopoietic stem cell transplantation
melphalan
bortezomib

How to Cite

Pirogova O.V., Kudyasheva O.V., Smirnova A.G., Porunova V.V., Tolstova S.V., Kalimulina K.R., Chernous M.V., Vlasova Y.Y., Moiseev I.S., Dobronravov V.A., Kulagin A.D. The Role of Autologous Hematopoietic Stem Cell Transplantation in the Therapy of Systemic AL Amyloidosis. Clinical Oncohematology. 2024;(2):128–136. doi:10.21320/2500-2139-2023-16-2-128-136.

Keywords

Abstract

Aim. To assess the outcomes of autologous hematopoietic stem cell transplantation (auto-HSCT) in systemic AL Amyloidosis patients treated at the R.M. Gorbacheva Scientific Research Institute of Pediatric Oncology, Hematology and Transplantation.

Materials & MethodsIn the period from 2005 to 2022, auto-HSCT was performed in 33 patients with systemic AL Amyloidosis. In 7 of them, auto-HSCT was not preceded by the induction therapy “upfront”. From 2012 all patients received induction therapy prior to transplantation. The median age of patients was 54 years (range 38–68 years); among them there were 17 women and 16 men.

Results. The 3-year follow-up period showed hematological response rate of 76 % (95% confidence interval [95% CI] 50–90 %), heart response rate of 27 % (95% CI 6–55 %), renal response rate of 76 % (95% CI 41–93 %), and hepatic response rate of 26 % (95% CI 8–50 %). The 5-year overall (OS) and progression-free (PFS) survivals were 71 % (95% CI 49–85 %) and 53 % (95% CI 32–71 %), respectively. The OS parameters in the group with delayed auto-HSCT, i.e., after induction therapy, were better than in the “upfront” group: 82 % (95% CI 60–93 %) vs. 43 % (95% CI 10–73 %) (= 0.03). The OS parameters were affected by health status (= 0.03), reduced left ventricular ejection fraction < 60 % (= 0.006), stage of heart disease (= 0.016), and stage III kidney disease (= 0.007). The PFS parameters depended on ECOG performance status (= 0.004) and stage of heart disease (= 0.041).

Conclusion. The presented data confirm the results of the studies emphasizing the importance of induction therapy prior to auto-HSCT in the treatment of systemic AL Amyloidosis. More stringent parameters of renal function, left ventricular ejection fraction, and ECOG performance status can be used as criteria for auto-HSCT eligibility. Reduced melphalan doses, as conditioning regimen, can be administered to patients with pronounced comorbidity.

PDF_2023-16-2_128-136 (Russian)

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