Abstract
Multiple myeloma (MM) has witnessed significant therapeutic advancements through the introduction of proteasome inhibitors and immunomodulators, leading to improved treatment outcomes. However, infections remain a formidable challenge for MM patients. The objective of our research is to investigate the factors that can forecast infection risk in MM patients. In pursuit of this, we conducted a thorough retrospective examination of medical records from Kidwai Memorial Institute of Oncology, Bangalore, involving 145 MM patients. Out of the 145 patients analyzed, almost half (47.5%; n = 69) encountered at least one infection during the course of their disease. Respiratory-related infections were the most prevalent (76.2%), followed by urinary tract infections (10%) and instances of diarrhea (8.8%). Notably, gram-positive bacteria constituted the majority of identified causative organisms, accounting for 48.2% of isolated pathogens, while gram-negative bacteria comprised 37.9% of the isolated organisms. Most infections were observed either at the time of presentation or during the first month (40.5%). Overall mortality during the study period was 4.8% (n = 7). Infections contributed to 57.1% (n = 4 out of 7 deaths) of the mortality. Moreover, patients in advanced stages exhibited an elevated risk of infection at presentation. Infections remain a major cause of morbidity and mortality in patients with MM. Nearly half of MM patients experience an episode of infection during treatment.Gram-positive bacteria are the most common pathogens, with respiratory infections being the most common foci. Prompt identification and treatment of infections is essential, but can be challenging due to atypical or absent symptoms. Antibacterial prophylaxis is an important preventive strategy, but further research is needed to develop innovative approaches to infection prevention and targeted therapeutic interventions. We must strive to develop innovative approaches to infection prevention in MM patients. Also we need to advance our understanding of the interplay between infections and MM to improve quality of care and outcomes for these individuals. By addressing these challenges, we can aspire to offer MM patients a brighter and healthier future.
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Data Availability
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Abbreviations
- MM:
-
Multiple myeloma
- LDH:
-
Lactate dehydrogenase
- ICU:
-
Intensive care unit
- NDDM:
-
Newly diagnosed multiple myeloma
- R ISS:
-
Revised international staging system
- AKI:
-
Acute kidney injury
- MRSA:
-
Methicillin resistent staphylococcus aureus
- IMid:
-
Immunomodulators
- PI:
-
Proteasome inhibitors
- ONJ:
-
Osteonecrosis jaw
- UTI:
-
Urinary tract infections
- IMWG:
-
International myeloma working group
- CART:
-
Chimeric antigen receptor therapy
- EHA ESMO:
-
European hematology association /European society of medical oncology
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Acknowledgements
Residents and Faculty of Department Medical Oncology, Department of Microbiology, Kidwai Memorial Institute of Oncology, Bengaluru for their various inputs toward writing the article.
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LAJ and SKC contributed to the conception of the study. LAJ, SB and SKC were responsible for the acquisition. SKC, LKN, RAH, RLK, SS drafted the work. AH, VBM performed the statistical analysis. LAJ and SBMC substantively revised it. All authors have read and approved the manuscript.
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Ethics approval and consent to participate obtained from Kidwai Memorial Institute of Oncology Medical Ethics Committee: No. KMIO/MEC/011/24.08.2021. Written informed consent was obtained from all the participants.
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Jacob, L.A., Choudhary, S.K., Babu, M.C.S. et al. Unmasking Infection Risks in Multiple Myeloma: Insights from a Retrospective Analysis. Indian J Hematol Blood Transfus (2024). https://doi.org/10.1007/s12288-024-01753-7
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DOI: https://doi.org/10.1007/s12288-024-01753-7