Regulation of Multiple Myeloma by Homeostatic Control Mechanisms
Author Information
Author(s): J.A. Maitland, B.C. Millar, J.B.G. Bell, A. Montes, J. Treleaven, M.E. Gore, T.J. McElwain
Primary Institution: Institute of Cancer Research, Royal Marsden Hospital
Hypothesis
Can in vitro changes in clonogenic myeloma cells predict clinical response to treatment?
Conclusion
The study suggests that myeloma may be regulated by homeostatic control mechanisms, as indicated by the correlation between changes in clonogenic myeloma cells and clinical responses.
Supporting Evidence
- Myeloma colonies could be grown in vitro for 6 months after patients reached complete remission.
- In a second group of patients, myeloma cell counts increased after treatment with cyclophosphamide.
- The study found that lymphoplasmacytoid myeloma cells may be more drug resistant than plasmacytoid cells.
Takeaway
Doctors studied how myeloma cells grow in the lab to see if it helps predict how patients will respond to treatment.
Methodology
Patients' bone marrow samples were analyzed for myeloma colonies before and after treatment with VAMP and high dose melphalan.
Limitations
The study does not definitively establish causation between in vitro findings and clinical outcomes.
Participant Demographics
Patients with multiple myeloma undergoing treatment.
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