Second Ohio State Cancer Drug Begins Clinical Trials Testing  

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Posted: 6/17/2010

COLUMBUS, Ohio – For the second time within a year, an experimental drug invented by cancer researchers at The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC-James) is being tested on patients in a clinical trial.

This week, adult patients began receiving doses of the potentially groundbreaking drug, which is designed to treat relapsed or treatment-resistant multiple myeloma, chronic lymphocytic leukemia or lymphoma, said Dr. John Byrd, associate director of clinical translational research at OSUCCC-James and a leukemia specialist who initiated the drug’s development with Ching-Shih Chen, an Ohio State cancer researcher and medicinal chemist.

The new phase I/IIa clinical trial will assess the safety and initial evidence of activity of the oral drug AR-42, which belongs to a new class of drugs called histone deacetylase (HDAC) inhibitors – compounds designed to reactivate genes that normally protect against cancer but are turned off by the cancer process. Ohio State is the only site worldwide accepting patients to the clinical trial, said Byrd.

“Early tests in cancer cell models showed that AR-42 is 10,000 fold more potent than the starting/parent agent,” said Chen, a professor of pharmacy, urology and internal medicine who holds the Lucius A. Wing chair of cancer research.

In 2003, Byrd asked Chen to try to improve the potency of a short-chain fatty acid known to have a weak inhibitory effect against cancer growth. Chen worked with cancer center and pharmacy colleagues at Ohio State to develop the drug originally called OSU-HDAC42, a broad spectrum histone and non-histone deacetylation inhibitor (pan-DAC).

The agent has been licensed to the biopharmaceutical company Arno Therapeutics, Inc., for clinical development.

“It is exciting to see this very potent broad class I/II HDAC inhibitor enter the clinic for treatment of blood cancers and we look forward to generating meaningful clinical results from in this Phase I/IIa study,” said Byrd. “We are incredibly grateful to organizations that have supported this effort to bring this drug forward to our blood cancer patients.

Dr. Michael Caligiuri, director of Ohio State’s Comprehensive Cancer Center and chief executive officer of the James Cancer Hospital and Solove Research Institute, praised the collaborative efforts of Ohio State researchers who worked more than 7 years to develop this drug.

“We are encouraged by its preclinical activity, and feel that this molecule could have meaningful clinical implications in a variety of cancers,” said Caligiuri.

Dr. Michael Grever, chairman of the department of internal medicine at Ohio State and co-leader of the Experimental Therapeutics program at OSUCCC-James, was instrumental in moving this experimental agent from bench to bedside.

The research was supported by funding from the National Cancer Institute, U.S. Department of Defense Prostate Cancer Program, Ohio State’s Comprehensive Cancer Center, Ohio State’s College of Pharmacy, Hearst Foundation, Prostate Cancer Foundation, Lucius A. Wing Chair, Stefanie Spielman Fund for Breast Cancer Research at OSUCCC-James, Susan G. Komen for the Cure, Leukemia & Lymphoma Society, MMORE, Harry T. Mangurian Foundation, Inc., and the D. Warren Brown Family Foundation.

Ohio State researchers involved in developing the novel agent include Sam Kulp, David Lucas, Dasheng Wang, Aaron Sargeant, Qiang Lu, Yen-Shen Lu and Po-Hsien Huang. OSUCCC-James hematologist and oncologist Dr. Craig Hofmeister is the principal investigator on the clinical trial.

Last August, Ohio State’s Comprehensive Cancer Center began enrolling patients in a clinical trial for AR-12, another anticancer agent designed by Chen and his team that also is being developed by Arno Therapeutics. AR-12 inhibits solid-tumor growth by triggering cancer cells to self-destruct.

The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (cancer.osu.edu) is one of only 40 Comprehensive Cancer Centers in the United States designated by the National Cancer Institute. Ranked by U.S. News & World Report among the top 20 cancer hospitals in the nation, The James is the 180-bed adult patient-care component of the cancer program at The Ohio State University. The OSUCCC-James is one of only seven funded programs in the country approved by the NCI to conduct both Phase I and Phase II clinical trials.

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Eileen Scahill
Medical Center Communications
614-293-3737
Eileen.Scahill@osumc.edu



Tags: Blood Disorders; Cancer; Clinical/Translational Research; James Cancer Hospital; Leukemia; Lymphoma; Multiple Myeloma; OSU Medical Center; Researchers

The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC – James) 300 W. 10th Ave. Columbus, OH 43210 Phone: 1-800-293-5066 | Email: jamesline@osumc.edu