06/9/2019| by Will Maddox
Around
a year ago, a cancer break through arrived in Dallas in the form of CAR-T
therapy, where cells are modified and the immune system is used to fight
cancer. Since then, immunotherapy has expanded in the region to include two
different CAR-T therapies.
Over
the past year, the partnership between Texas Oncology and and Baylor University
Medical Center has treated 16 patients with commercially available CAR-T, which
is for lymphoma and acute leukemia. Meanwhile, 30 more patients were enrolled
in clinical trials for a number of different cancers. Currently an inpatient
procedure, trials are looking at moving the cancer treatment to outpatient,
further decreasing the invasiveness of the disease.
Dr.
Houston Holmes, medical director and principal investigator for CAR-T clinical
trials at Texas Oncology–Baylor Charles A. Sammons Cancer Center says that the
field is moving rapidly, with increased patients on existing trials and more
trials. There are more than 100 different CAR-T trials right now.
As
immunotherapy has developed, physicians are better able to manage the side
effects, which were already infrequent and not as severe as other cancer
treatments. Currently, CAR-T is only available to patients who have already
been through two prior courses of treatment with surgery, radiation, and
chemotherapy, but CAR-T has proven to be effective in 40-45 percent of
patients, and Holmes thinks it may be used earlier in the treatment process.
“The
hope is that we can harness that kind of efficacy,” Holmes says fo CAR-T. “We
can avoid other toxic agents and bring it in earlier in the course of therapy.”
Last
fall, D CEO hosted a cancer panel with Texas Oncology President Dr. R Steven Paulson as well as Dr. Ted Laetsch, who was lead on a CAR-T study
at Children’s Health. Learn more from the panel here.
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