ArticleFrontiers in oncology2023
The prognostic significance of circulating plasma cells in newly diagnosed multiple myeloma patients.
Article in Frontiers in oncology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.
- Circulating plasma cells as a predictive biomarker in Multiple myeloma: an updated systematic review and meta-analysis.Annals of medicine · 2024Pooled it
- Clinical outcome of ≥2% circulating tumor cells in newly diagnosed multiple myeloma: insights from a multicenter study.Annals of medicine · 2025Article
- Applications of Multiparameter Flow Cytometry in the Diagnosis, Prognosis, and Monitoring of Multiple Myeloma Patients.Diseases (Basel, Switzerland) · 2025Review
- Comparative Diagnostic Performance of Flow Cytometry, Aspiration, and Biopsy with Immunohistochemistry in Plasma Cell Neoplasms.International journal of hematology-oncology and stem cell research · 2025Article
- Poor prognosis of newly diagnosed multiple myeloma patients with 1p32.3 deletion in single monoallelic deletion and/or in main clone.British journal of haematology · 2025Article
- Immunophenotypic characteristics and prognostic value of peripheral blood circulating plasma cells in patients with newly diagnosed multiple myeloma.Journal of medical biochemistry · 2025Article
- Circulating plasma cells: from basic mechanisms to clinical applications.Frontiers in immunology · 2025Review
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Authors and funding
16 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: Multiple myeloma (MM) is a highly characteristic tumor that is influenced by numerous factors that determine its prognosis. Studies indicate that the presence of circulating plasma cells (cPCs) is a detrimental factor that significantly impacts the prognosis of patients with MM. Methods: This study retrospectively analyzed the prognostic value of cPCs quantified by 10-color flow cytometry in 145 newly diagnosed MM (NDMM) cases in the First Affiliated Hospital of Soochow University from November 2018 to February 2021. The study was approved by the Ethics Committee of the hospital (2021 No. 93). Results: Of the 145 patients, 99 (68.2%) were detected cPCs. Through receiver operating characteristics (ROC) analysis, an optimal threshold of 0.165% was identified as a predictor for overall survival (OS). The median progression-free survival (PFS) was 33 months in patients with cPCs ≥0.165%, whereas those with cPCs <0.165% had a PFS of <33 months (p=0.001). The median OS was not reached for two groups; the 3-year OS for patients with cPCs ≥0.165% was 71% compared with 87% for those with cPCs <0.165% (p=0.003). In transplant patients, cPCs ≥0.165% also predicted worse prognosis. Similarly, when considering cytogenetic risk factors in conjunction with cPC levels, comparable results were obtained. To evaluate whether the Revised International Staging System (R-ISS) groups could be further stratified based on different prognostic factors related to cPCs, our study revealed similar median PFS and OS rates in R-ISS II stage patients with cPCs ≥0.165% compared to those in the III stage (p=0.659 and 0.249, respectively). Conclusion: This study demonstrates that a high ratio of cPCs serves as a reliable indicator for predicting a poorer prognosis in MM cases. Furthermore, incorporating the R-ISS system and cytogenetic risk factors alongside the level of cPCs enhances the accuracy of prognostic predictions for patients with MM.
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