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CATEGORIES:Lectures & Presentations
DESCRIPTION:MCB Seminar | Benefits and Drawbacks of Drug Combinations in Ca
ncer Treatment\, March 30\n\nThe Molecular and Cellular Biology Seminar ser
ies features Emily Davis discussing "The Benefits and Drawbacks of Drug Com
binations in Cancer Treatment" on March 30 from 4:35 to 5:55 p.m.\n\nContac
t Dr. Sarah Wyatt\, MCB director\, for Teams information.Davis is a graduat
e student in Biological Sciences at Ohio University and a member of the Mol
ecular and Cellular Biology program.\n\nAbstract: Combinations of individua
lly active therapeutic agents\, referred to as drug cocktails\, are frequen
tly used in clinical settings to amplify the patient’s response to therapy
and diminish the likelihood of acquiring resistance to therapy.1 Drug cock
tails can increase the efficacy of cancer treatment while allowing lower do
ses of each individual drug to be used\, thereby reducing toxicity.1\,2 How
ever\, in approximately 66% of drug cocktails\, the therapeutic benefit to
the patient is only equivalent to that of the single most effective drug in
the cocktail. In the remaining 33% of cases\, the drugs in the cocktail wo
rk synergistically to significantly increase the therapeutic benefit to the
patient and improve their prognosis.1 Gao\, et. al\, have identified one s
uch drug cocktail\, consisting of a chemotherapy drug\, an anti-cerebral va
sospasm drug\, and an anti-allergy drug. They designed this cocktail to tre
at glioblastoma multiforme (GBM)\, which is the most common and most aggres
sive brain tumor in adults. To ensure that all three drugs were necessary t
o exhibit the cocktail’s synergistic effects\, Gao\, et. al tested each dru
g individually\, as well as all possible combinations of two drugs\, and fo
und that nothing produced as significant of a beneficial effect as the full
cocktail. In both in vitro and patient-derived xenograft mouse models\, th
eir cocktail effectively reprogrammed GBM cells into neuronal cells.3 Syne
rgistic drug cocktails\, such as the one developed by Gao\, et. al\, will l
ikely play a significant role in the immediate future of cancer treatments\
, as the development of new drugs is both time-consuming and costly.\n\nKey
References\n\nPalmer\, A.C.\, Sorger\, P.K. (2017). Combination Cancer The
rapy Can Confer Benefit via Patient-to-Patient Variability Without Drug Add
itivity or Synergy. Cell 171\, 1678-1691. Wang\, H.\, et. al (2020). Bioma
terial-based scaffold for in situ chemo-immunotherapy to treat poorly-immun
ogenic tumors. Nature Communications 11\, 5696. Gao\, L.\, et. al (2019). S
uppression of glioblastoma by a drug cocktail reprogramming tumor cells int
o neuronal-like cells. Scientific Reports 9\, 3462.
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DTSTAMP:20241124T075844Z
DTSTART:20210330T203500Z
LOCATION:
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SUMMARY:MCB Seminar | Benefits and Drawbacks of Drug Combinations in Cancer
Treatment\, March 30
UID:tag:localist.com\,2008:EventInstance_36209680655845
URL:https://calendar.ohio.edu/event/mcb_seminar_emily_davis_on_march_30
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