Friday, November 30, 2012

Clinical trial delivers good results in leukemia patients

Clinical trial delivers good results in leukemia patients [ Back to EurekAlert! ] Public release date: 29-Nov-2012
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Contact: Linda Aagard
linda.aagard@hsc.utah.edu
801-587-7639
University of Utah Health Sciences

SALT LAKE CITYHuntsman Cancer Institute (HCI) researchers Michael Deininger, M.D., Ph.D., and Thomas O'Hare, Ph.D., were part of a team that found a potent oral drug, ponatinib, effective in patients who have developed resistance to standard treatments for chronic myeloid leukemia (CML) and Philadelphia chromosome positive acute lymphoblastic lymphoma (Ph+ ALL). The New England Journal of Medicine released results of the trial today.

In the phase I clinical trial conducted at five cancer centers nationwide, ponatinib was highly active in patients with CML and Ph+ ALL who had developed resistance to currently approved tyrosine kinase inhibitors (TKIs), the standard treatment for CML and Ph+ ALL. Ponatinib is a rationally developed drug, designed in the labs of study sponsor ARIAD Pharmaceuticals, Inc. to address limitations of currently available treatments. Deininger, professor and chief of Hematology and Hematologic Malignancies at Huntsman Cancer Institute at the University of Utah, and O'Hare, a research associate professor, helped to develop ponatinib, and predicted its efficacy against all known mutant forms of BCR-ABL1, the abnormal protein tyrosine kinase that causes CML.

"Ponatinib is arguably the most potent and broadest BCR-ABL1 available thus far, covering even the T315I mutant, which is completely resistant against all approved TKIs", says Deininger, a senior author on the study who leads an ongoing ponatinib trial at Huntsman Cancer Institute. "The results of this study as well as preliminary data from a larger phase 2 trial show that ponatinib has remarkable activity in patients with resistant CML and Ph+ ALL, suggesting that this new TKI will expand our therapeutic armamentarium very significantly. It is a poster child for personalized cancer therapy."

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The study was supported by ARIAD Pharmaceuticals. Deininger and O'Hare receive support from the Huntsman Cancer Foundation and CA042014. Deininger is also a Scholar of Clinical Research of the Leukemia & Lymphoma Society.

The mission of Huntsman Cancer Institute (HCI) at the University of Utah is to understand cancer from its beginnings, to use that knowledge in the creation and improvement of cancer treatments, to relieve the suffering of cancer patients, and to provide education about cancer risk, prevention, and care. HCI is a National Cancer Institute-Designated cancer center, which means that it meets the highest national standards for cancer care and research and receives support for its scientific endeavors. HCI is also a member of the National Comprehensive Cancer Network (NCCN), a not-for-profit alliance of the world's leading cancer centers that is dedicated to improving the quality and effectiveness of care provided to patients with cancer. For more information about HCI, please visit www.huntsmancancer.org.


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Clinical trial delivers good results in leukemia patients [ Back to EurekAlert! ] Public release date: 29-Nov-2012
[ | E-mail | Share Share ]

Contact: Linda Aagard
linda.aagard@hsc.utah.edu
801-587-7639
University of Utah Health Sciences

SALT LAKE CITYHuntsman Cancer Institute (HCI) researchers Michael Deininger, M.D., Ph.D., and Thomas O'Hare, Ph.D., were part of a team that found a potent oral drug, ponatinib, effective in patients who have developed resistance to standard treatments for chronic myeloid leukemia (CML) and Philadelphia chromosome positive acute lymphoblastic lymphoma (Ph+ ALL). The New England Journal of Medicine released results of the trial today.

In the phase I clinical trial conducted at five cancer centers nationwide, ponatinib was highly active in patients with CML and Ph+ ALL who had developed resistance to currently approved tyrosine kinase inhibitors (TKIs), the standard treatment for CML and Ph+ ALL. Ponatinib is a rationally developed drug, designed in the labs of study sponsor ARIAD Pharmaceuticals, Inc. to address limitations of currently available treatments. Deininger, professor and chief of Hematology and Hematologic Malignancies at Huntsman Cancer Institute at the University of Utah, and O'Hare, a research associate professor, helped to develop ponatinib, and predicted its efficacy against all known mutant forms of BCR-ABL1, the abnormal protein tyrosine kinase that causes CML.

"Ponatinib is arguably the most potent and broadest BCR-ABL1 available thus far, covering even the T315I mutant, which is completely resistant against all approved TKIs", says Deininger, a senior author on the study who leads an ongoing ponatinib trial at Huntsman Cancer Institute. "The results of this study as well as preliminary data from a larger phase 2 trial show that ponatinib has remarkable activity in patients with resistant CML and Ph+ ALL, suggesting that this new TKI will expand our therapeutic armamentarium very significantly. It is a poster child for personalized cancer therapy."

###

The study was supported by ARIAD Pharmaceuticals. Deininger and O'Hare receive support from the Huntsman Cancer Foundation and CA042014. Deininger is also a Scholar of Clinical Research of the Leukemia & Lymphoma Society.

The mission of Huntsman Cancer Institute (HCI) at the University of Utah is to understand cancer from its beginnings, to use that knowledge in the creation and improvement of cancer treatments, to relieve the suffering of cancer patients, and to provide education about cancer risk, prevention, and care. HCI is a National Cancer Institute-Designated cancer center, which means that it meets the highest national standards for cancer care and research and receives support for its scientific endeavors. HCI is also a member of the National Comprehensive Cancer Network (NCCN), a not-for-profit alliance of the world's leading cancer centers that is dedicated to improving the quality and effectiveness of care provided to patients with cancer. For more information about HCI, please visit www.huntsmancancer.org.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2012-11/uouh-ctd112912.php

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