FQPD, a novel immunomodulatory drug, has significant in vitro activity in multiple myeloma.

Abstract:

:Multiple myeloma (MM) is a plasma cell malignancy that claims thousands of lives each year and has considerable morbidity. The disease remains incurable despite recent advances in the understanding of the disease biology and the introduction of more effective drugs is needed. This study evaluated the anti-MM activity of 3-(7-fluoro-4H-quinazolin-3-yl)-piperidine-2,6-dione, hydrochloride (FQPD), a novel immunomodulatory drug. FQPD inhibited the proliferation of multiple MM cell lines, including those resistant to conventional treatments, such as dexamethasone. It induced apoptosis in MM cell lines, as well as freshly isolated patient MM cells, without cytotoxicity on normal human lymphocytes. Moreover, it induced apoptosis in MM cells adherent to bone marrow (BM) stromal cells or in the presence of cytokines, such as interleukin-6 and vascular endothelial growth factor, confirming its ability to overcome the protective effects of the BM milieu. Apoptosis in the MM cells was mediated via poly-ADP ribose polymerase cleavage as well as cleavage of caspase 8 and caspase 9. Our studies therefore demonstrated in vitro anti-MM activity of FQPD and provide the rationale for its in vivo evaluation in animal models and derived clinical trials.

journal_name

Br J Haematol

authors

Kumar S,Raje N,Hideshima T,Ishitsuka K,Podar K,Le Gouille S,Chauhan D,Richardson P,Munshi NC,Anderson K

doi

10.1111/j.1365-2141.2005.05946.x

subject

Has Abstract

pub_date

2006-03-01 00:00:00

pages

698-704

issue

6

eissn

0007-1048

issn

1365-2141

pii

BJH5946

journal_volume

132

pub_type

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