- 41,000
women in the U.S. are expected to die of breast cancer in 2018
- BriaCell
is developing a breast cancer drug that can be quickly prepared for
individualized treatment
- Clinical
trials demonstrate tumor shrinkage with no serious side effects
- BriaCell
is now in clinical trials with its lead immunotherapy treatment, tested in
combination with other already-approved cancer fighting drugs
- Immunotherapy
drugs are expected to be a $100 billion business by 2021
Breast cancer is the second-leading cause of cancer death
for U.S. women. Although death rates from this disease have been falling since
1989, still in 2018 nearly 41,000 Americans are expected to die of breast
cancer. BriaCell Therapeutics Corp. (OTCQB: BCTXF) (TSX.V: BCT), a biotechnology
company developing targeted, safe treatments for cancer, is working on the
first personalized off-the-shelf immunotherapy drug for advanced breast cancer.
Immunotherapy drugs, which use a patient’s own immune system
to target and destroy cancer cells, are expected to become a $100 billion
annual business by 2021. Previous research has produced personalized
immunotherapies that allow physicians to tailor treatment to the individual
cancer patient for more effective response against the disease and fewer side
effects. However, each dose of these immunotherapies must be individually
manufactured – a long and expensive process.
BriaCell seeks to avoid the time, cost and complex
manufacturing process of other personalized immunotherapy by developing an
off-the-shelf treatment that can be quickly prepared for each individual
patient to safely and effectively kill tumor cells. Development of the
company’s technology is based on positive results from recent proof of concept
studies of the company’s lead clinical candidate, Bria-IMT, in heavily
pretreated advanced breast cancer patients (http://ibn.fm/99jSV).
BriaCell’s research is aimed at producing a personalized
breast cancer treatment that can be identified by a simple diagnostic test.
Clinical trials of Bria-IMT demonstrated evidence that treatments cause tumors
to shrink with no serious side effects – including tumors in other parts of the
body in patients whose cancer has migrated. Safety and efficacy data for Bria-IMT
appear superior to that of other approved drugs for treating breast cancer when
they were at a similar stage of development. BriaCell, based on these results,
is developing a diagnostic test, BriaDX, that will help the company select
patients best suited for these treatments.
Based on the latest findings, BriaCell researchers expect
Bria-IMT to work even better when used by advanced breast cancer patients in
combination with certain cancer treatment drugs known as immune checkpoint
inhibitors. The company is currently in clinical trials with Bria-IMT in
combination with pembrolizumab, marketed by Merck & Co., Inc. (NYSE: MRK),
under the name Keytruda, and with ipilimumab, marketed by Bristol-Meyers Squibb
Company (NYSE: BMY), under the trade name Yervoy (http://ibn.fm/GSehx).
Immune checkpoint inhibitors have become a focus in cancer
research because of their significant results for some patients and with the
Nobel committee awarding the 2018 Nobel Prize for Physiology or Medicine to
Drs. James Allison and Tasuku Honjo for their separate research into specific
immune checkpoints (http://ibn.fm/226A3).
“We believe that combination studies with immune checkpoint inhibitors
should create even more potent anti-cancer immune responses, leading to our
strategy of combination studies of Bria-IMT with Keytruda or Yervoy,” Dr.
William Williams, BriaCell CEO, stated in a press release (http://ibn.fm/xpq1V). “In our
view, the combination of Bria-IMT with Keytruda or Yervoy has the potential to
provide a new therapeutic option and substantial clinical benefit in heavily
pre-treated advanced breast cancer patients where there remains a significant
unmet need.”
Based on its research results, the company is developing a
second immunotherapy drug, Bria-OTS, an off-the-shelf personalized treatment
that’s expected to be effective for 90 percent of the advanced breast cancer
patient population. Bria-OTS is expected to go to clinical trials in 2019.
BriaCell Therapeutics Corp., based in Berkeley, California,
and headquartered in Vancouver, British Columbia, is an immuno-oncology focused
biotechnology company developing targeted and safe approaches for the
management of cancer.
For more information, visit the company’s website at www.BriaCell.com
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