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Medical College of Wisconsin cancer researcher & key investigator on study of Pirtobrutinib, now FDA approved for patients previously treated for Mantle Cell Lymphoma

Results published in the Journal of Clinical Oncology highlight the drug’s impact and potential for B-cell lymphomas

2023-06-02
(Press-News.org) In a multicenter phase 1 and 2 trial (BRUIN, NCT03740529), researchers from leading cancer centers across the globe, including the Medical College of Wisconsin (MCW) in Milwaukee, tested Bruton tyrosine kinase inhibitor (BTKi), pirtobrutinib, in patients with pre-treated mantle cell lymphoma (MCL). Results of the study, which assessed the efficacy of the drug in a cohort of 90 patients with poor survival prognosis, demonstrated the reversible BTKi drug to be both safe and effective in achieving inhibition of defective B-cells. The results were published by the Journal of Clinical Oncology on May 16.

 

MCL is an aggressive, rare subtype of B-cell non-Hodgkin lymphoma. Patients with relapsed/refractory MCL have historically had a median survival rate of less than 10 months. Resistance or intolerance to covalent BTKi drugs is common. Pirtobrutinib is the first BTKi of any kind to demonstrate durable efficacy in patients with relapsed/ refractory MCL previously treated with a covalent BTKi therapy.

 

In the study of patients between 46 and 87 years of age, with a median of 3 prior lines of therapy, more than half (57.8%) responded to the drug with a median duration of response of 21.6 months.

 

“This trial builds on years of research to identify a safe and effective way to target b-cell signaling pathways and extend longevity for patients with MCL who have not responded to other forms of treatment,” said Nirav Shah, MD, associate professor of medicine at the Medical College of Wisconsin and the senior author on the study. “We now look forward to the results of future studies with pirtobrutinib, evaluating its role as a second line treatment option for patients with R/R MCL (NCT04662255, actively enrolling at the MCW Cancer Center).”

 

As the only academic medical center in southeast Wisconsin, and the largest cancer clinical trials program in the state, the MCW Cancer Center continues to offer a vast assortment of clinical trials and access to first-of-its-kind therapeutics for cancer patients in the region and beyond.

 

The study was sponsored by Loxo Oncology, Inc., a subsidiary of Eli Lilly and Company.

 

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About the Medical College of Wisconsin

With a history dating back to 1893, The Medical College of Wisconsin is dedicated to leadership and excellence in education, patient care, research, and community engagement. More than 1,400 students are enrolled in MCW’s medical school and graduate school programs in Milwaukee, Green Bay, and Central Wisconsin in. MCW’s School of Pharmacy opened in 2017. A major national research center, MCW is the largest research institution in the Milwaukee metro area and second largest in Wisconsin. In the last 10 years, faculty received more than $1.5 billion in external support for research, teaching, training, and related purposes. This total includes highly competitive research and training awards from the National Institutes of Health (NIH). Annually, MCW faculty direct or collaborate on more than 3,100 research studies, including clinical trials. Additionally, more than 1,600 physicians provide care in virtually every specialty of medicine for more than 2.8 million patients annually.

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[Press-News.org] Medical College of Wisconsin cancer researcher & key investigator on study of Pirtobrutinib, now FDA approved for patients previously treated for Mantle Cell Lymphoma
Results published in the Journal of Clinical Oncology highlight the drug’s impact and potential for B-cell lymphomas