The effects of a modified Mediterranean diet on gut microbiota and clinical outcomes in patients with metastatic colorectal cancer undergoing first-line chemotherapy with either anti-EGFR or anti-VEGF agent: protocol for a randomized pilot study (Preprint)
Salvatore Artale,
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Francesca Filiali,
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Elena Beretta
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et al.
Published: Feb. 21, 2025
BACKGROUND
the
gut
microbiota
is
attracting
increasing
interest
as
an
initiator
of
colorectal
cancer.
It
has
been
observed
that
microbial
imbalance
in
and
cancer
tissue
facilitated
by
a
Western
type
diet,
rich
meat,
sugars,
refined
grains,
while
Mediterranean
low
saturated
fat
fibers,
promotes
eubiosis,
results
reduced
risk
developing
OBJECTIVE
to
analyze
compare
patients
with
metastatic
undergoing
first-line
chemotherapy
+/-
biological
agent
(anti-EGFR
or
anti-VEGF),
receiving
either
free
standard
modified
diet.
METHODS
this
pilot
non-drug,
interventional
prospective,
randomized,
controlled,
single-center,
open-label
trial.
Patients
(n=40)
will
be
randomized
1:1
diet
Blood
fecal
samples
collected
at
baseline
control
visits,
for
metagenomic
metabolomic
analysis.
The
primary
endpoint
Firmicutes/Bacteroidetes
ratio
after
completion
third
cycle
(time
T1).
Secondary
endpoints
are:
a)
percentage
experiencing
gastrointestinal
side
effects
T1;
b)
grade
3/4
c)
changes
ratio,
overall
microbiome
composition,
metabolome
T1,
sixth
(T2)
versus
baseline.
RESULTS
trial
received
ethics
approval
on
July
24th
2024.
By
January
2025,
7
participants
have
recruited.
study
conclude
visit
T2
last
enrolled
patient.
Results
are
expected
published
October
2028.
CONCLUSIONS
potential
provide
critical
insights
into
role
modifying
microbiota,
diminishing
chemotherapy-related
effects,
possibly
enhancing
therapeutic
efficacy
Additionally,
data
may
pave
way
future
research
immunotherapy,
potentially
influencing
both
clinical
practice
public
health
strategies.
CLINICALTRIAL
Clinicaltrial.gov
NCT06794931
(https://clinicaltrials.gov/search?term=NCT06794931)
Language: Английский