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Increased in Vivo Efficacy of Lenalidomide by Addition of Piroctone Olamine

Increased in Vivo Efficacy of Lenalidomide by Addition of Piroctone Olamine

Young Kim, Petra Alpmann, Sabine Blaum-Feder, Simon Krämer, Tomoyuki Endo, Desheng Lu, Dennis Carson, Ingo G H Schmidt-Wolf

In Vivo. Jan-Feb 2011;25(1):99-103.

PMID: 21282741

Abstract:

Background:
It was recently confirmed that the antifungal agent ciclopirox olamine inhibits Wnt/beta catenin signaling in myeloma. Piroctone olamine (PO) has very similar chemical features to ciclopirox olamine.
Materials and methods:
This study investigated the antitumor effect of PO in vitro and in vivo in a murine myeloma model.
Results:
PO demonstrated a major apoptotic activity in various human and murine myeloma and lymphoma cell lines, as well as in human primary cells. In vivo, tumor growth, as well as overall survival, was significantly reduced in mice treated with PO as compared to untreated mice. Interestingly, concerning tumor growth and survival of the animals, a significant additive effect was seen by the combination of lenalidomide plus PO as compared to single application.
Conclusion:
These results reveal a significant selective induction of apoptosis by PO and suggest a significant in vivo effect against myeloma.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP68890664-A	Piroctone olamine		68890-66-4	Price

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