Journal of Cancer Metastasis and Treatment,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 21, 2025
Gastric
cancer
remains
a
significant
global
health
burden,
and
while
immunotherapy
offers
promising
therapeutic
avenues,
its
efficacy
varies
greatly
among
patients.
The
key
challenge
is
accurately
identifying
treatment
responders,
alternative
strategies
are
necessary
for
non-responders.
Biomarkers
such
as
PD-L1
expression,
tumor
mutational
mismatch
repair
status,
Epstein-Barr
virus
infection
have
shown
predictive
potential,
yet
the
quest
more
reliable
markers
continues
to
be
challenging.
Emerging
technologies,
including
liquid
biopsy,
single-cell
sequencing,
artificial
intelligence,
present
novel
approaches
enhancing
individualized
research
improving
capabilities.
This
review
provides
comprehensive
analysis
of
current
biomarkers
introduces
emerging
candidates
from
recent
studies,
thereby
contributing
ongoing
efforts
refine
patient
stratification
strategies.
Cancer Communications,
Journal Year:
2023,
Volume and Issue:
44(1), P. 127 - 172
Published: Dec. 31, 2023
Abstract
The
2023
update
of
the
Chinese
Society
Clinical
Oncology
(CSCO)
Guidelines
for
Gastric
Cancer
focuses
on
standardizing
cancer
diagnosis
and
treatment
in
China,
reflecting
latest
advancements
evidence‐based
medicine,
healthcare
resource
availability,
precision
medicine.
These
updates
address
differences
epidemiological
characteristics,
clinicopathological
features,
tumor
biology,
patterns,
drug
selections
between
Eastern
Western
gastric
patients.
Key
revisions
include
a
structured
template
imaging
reports,
updated
standards
molecular
marker
testing
pathological
diagnosis,
an
elevated
recommendation
neoadjuvant
chemotherapy
stage
III
cancer.
For
advanced
metastatic
cancer,
guidelines
introduce
new
recommendations
immunotherapy,
anti‐angiogenic
therapy
targeted
drugs,
along
with
management
strategies
human
epidermal
growth
factor
receptor
2
(HER2)‐positive
deficient
DNA
mismatch
repair
(dMMR)/microsatellite
instability‐high
(MSI‐H)
Additionally,
offer
detailed
screening
hereditary
appendix
listing
regimens
various
stages
CSCO
are
based
both
international
clinical
research
expert
consensus
to
enhance
their
applicability
relevance
practice,
particularly
heterogeneous
landscape
while
maintaining
commitment
scientific
rigor,
impartiality,
timely
revisions.
Nature Medicine,
Journal Year:
2023,
Volume and Issue:
30(1), P. 218 - 228
Published: Oct. 30, 2023
Abstract
Neoadjuvant
immunotherapy
plus
chemotherapy
improves
event-free
survival
(EFS)
and
pathologic
complete
response
(0%
residual
viable
tumor
(RVT)
in
primary
(PT)
lymph
nodes
(LNs)),
is
approved
for
treatment
of
resectable
lung
cancer.
Pathologic
assessment
after
neoadjuvant
therapy
the
potential
analog
to
radiographic
advanced
disease.
However,
%RVT
thresholds
beyond
major
(≤10%
RVT)
have
not
been
explored.
was
prospectively
assessed
randomized,
phase
3
CheckMate
816
trial
(NCT02998528),
which
evaluated
nivolumab
(anti-programmed
death
protein
1)
patients
with
RVT,
regression
necrosis
were
quantified
(0–100%)
PT
LNs
using
a
pan-tumor
scoring
system
tested
association
EFS
prespecified
exploratory
analysis.
Regardless
LN
involvement,
improved
0%
versus
>0%
RVT-PT
(hazard
ratio
=
0.18).
predicted
(area
under
curve
0.74);
2-year
rates
90%,
60%,
57%
39%
0–5%,
>5–30%,
>30–80%
>80%
respectively.
Each
1%
RVT
associated
0.017
hazard
increase
EFS.
Combining
from
helped
differentiate
outcomes.
When
compared
circulating
DNA
clearance,
best
approximated
These
findings
support
as
an
emerging
surrogate.
Further
full
spectrum
cancer
other
types
warranted.
ClinicalTrials.gov
registration:
NCT02998528
.
BMJ,
Journal Year:
2024,
Volume and Issue:
unknown, P. e074962 - e074962
Published: June 3, 2024
Abstract
Esophageal
cancer
is
the
seventh
most
common
malignancy
worldwide,
with
over
470
000
new
cases
diagnosed
each
year.
Two
distinct
histological
subtypes
predominate,
and
should
be
considered
biologically
separate
disease
entities.1
These
are
esophageal
adenocarcinoma
(EAC)
squamous
cell
carcinoma
(ESCC).
Outcomes
remain
poor
regardless
of
subtype,
patients
presenting
late
stage
disease.2
Novel
strategies
to
improve
early
detection
respective
precursor
lesions,
dysplasia,
Barrett’s
esophagus
offer
potential
outcomes.
The
introduction
a
limited
number
biologic
agents,
as
well
immune
checkpoint
inhibitors,
resulting
in
improvements
systemic
treatment
locally
advanced
metastatic
cancer.
developments,
coupled
minimally
invasive
surgical
endoscopic
approaches,
adaptive
precision
radiotherapy
technologies,
outcomes
still
further.
This
review
summarizes
latest
advances
diagnosis
management
cancer,
developments
understanding
biology
this
disease.
Nature Medicine,
Journal Year:
2024,
Volume and Issue:
30(4), P. 1023 - 1034
Published: March 19, 2024
Abstract
Gastroesophageal
cancer
dynamics
and
drivers
of
clinical
responses
with
immune
checkpoint
inhibitors
(ICI)
remain
poorly
understood.
Potential
synergistic
activity
dual
programmed
cell
death
protein
1
(PD-1)
lymphocyte-activation
gene
3
(LAG-3)
inhibition
may
help
improve
immunotherapy
for
these
tumors.
We
report
a
phase
Ib
trial
that
evaluated
neoadjuvant
nivolumab
(Arm
A,
n
=
16)
or
nivolumab–relatlimab
B,
in
combination
chemoradiotherapy
32
patients
resectable
stage
II/stage
III
gastroesophageal
together
an
in-depth
evaluation
pathological,
molecular
functional
responses.
Primary
endpoint
was
safety;
the
secondary
feasibility;
exploratory
endpoints
included
pathological
complete
(pCR)
major
response
(MPR),
recurrence-free
survival
(RFS)
overall
(OS).
The
study
met
its
primary
safety
Arm
although
B
required
modification
to
mitigate
toxicity.
pCR
MPR
rates
were
40%
53.5%
A
21.4%
57.1%
B.
Most
common
adverse
events
fatigue,
nausea,
thrombocytopenia
dermatitis.
Overall,
2-year
RFS
OS
72.5%
82.6%,
respectively.
Higher
baseline
ligand
(PD-L1)
LAG-3
expression
associated
deeper
Exploratory
analyses
circulating
tumor
DNA
(ctDNA)
showed
undetectable
ctDNA
post-ICI
induction,
preoperatively
postoperatively
had
significantly
longer
OS;
clearance
reflective
neoantigen-specific
T
Our
findings
provide
insights
into
profile
combined
PD-1
blockade
highlight
potential
analysis
dynamically
assess
systemic
burden
during
ICI
open
therapeutic
window
future
intervention.
ClinicalTrials.gov
registration:
NCT03044613
.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 14, 2023
In
this
multicenter,
single-arm
phase
2
trial
(ChiCTR1900024428),
patients
with
locally
advanced
gastric/gastroesophageal
junction
cancers
receive
one
cycle
of
sintilimab
(anti-PD1)
and
chemotherapy
(S-1
nab-paclitaxel),
followed
by
5
weeks
concurrent
chemoradiotherapy
sintilimab,
another
thereafter.
Surgery
is
preferably
scheduled
within
to
three
weeks,
cycles
adjuvant
are
administrated.
The
primary
endpoint
the
pathological
complete
response.
Our
results
meet
pre-specified
endpoint.
Thirteen
34
(38.2%)
enrolled
achieve
response
(95%
CI:
22.2-56.4).
secondary
objectives
include
disease-free
survival
(DFS),
major
response,
R0
resection
rate,
overall
(OS),
event-free
(EFS),
safety
profile.
median
DFS
EFS
were
17.0
(95%CI:
11.1-20.9)
21.1
14.7-26.1)
months,
respectively,
while
OS
was
not
reached,
1-year
rate
92.6%
50.1-99.5%).
Seventeen
(50.0%)
have
grade
≥3
adverse
events
during
preoperative
therapy.
prespecified
exploratory
biomarker
analysis,
CD3
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(20), P. 15321 - 15321
Published: Oct. 18, 2023
Gastric
cancer
presents
substantial
management
challenges,
and
the
advent
of
immunotherapy
has
ignited
renewed
hope
among
patients.
Nevertheless,
a
significant
proportion
patients
do
not
respond
to
immunotherapy,
adverse
events
associated
with
also
occur
on
occasion,
underscoring
imperative
identify
suitable
candidates
for
treatment.
Several
biomarkers,
including
programmed
death
ligand-1
expression,
tumor
mutation
burden,
mismatch
repair
status,
Epstein–Barr
Virus
infection,
circulating
DNA,
tumor-infiltrating
lymphocytes,
have
demonstrated
potential
in
predicting
effectiveness
gastric
cancer.
However,
quest
optimal
predictive
biomarker
remains
challenging,
as
each
carries
its
own
limitations.
Recently,
multi-omics
technologies
emerged
promising
platforms
discovering
novel
biomarkers
that
may
help
selecting
likely
immunotherapy.
The
identification
reliable
holds
promise
enhancing
patient
selection
improving
treatment
outcomes.
In
this
review,
we
aim
provide
an
overview
clinically
established
Additionally,
introduce
newly
reported
based
studies
context
thereby
contributing
ongoing
efforts
refine
stratification
strategies.
npj Precision Oncology,
Journal Year:
2024,
Volume and Issue:
8(1)
Published: March 22, 2024
Abstract
Tertiary
lymphoid
structures
(TLSs)
have
been
associated
with
favorable
immunotherapy
responses
and
prognosis
in
various
cancers.
Despite
their
significance,
quantification
using
multiplex
immunohistochemistry
(mIHC)
staining
of
T
B
lymphocytes
remains
labor-intensive,
limiting
its
clinical
utility.
To
address
this
challenge,
we
curated
a
dataset
from
matched
mIHC
H&E
whole-slide
images
(WSIs)
developed
deep
learning
model
for
automated
segmentation
TLSs.
The
achieved
Dice
coefficients
0.91
on
the
internal
test
set
0.866
external
validation
set,
along
intersection
over
union
(IoU)
scores
0.819
0.787,
respectively.
TLS
ratio,
defined
as
segmented
area
total
tissue
area,
correlated
lymphocyte
levels
expression
CXCL13
,
chemokine
formation,
6140
patients
spanning
16
tumor
types
Cancer
Genome
Atlas
(TCGA).
prognostic
models
overall
survival
indicated
that
inclusion
ratio
TNM
staging
significantly
enhanced
models’
discriminative
ability,
outperforming
traditional
solely
incorporated
staging,
10
out
15
TCGA
types.
Furthermore,
when
applied
to
biopsied
treatment-naïve
samples,
higher
ratios
predicted
positive
response
across
multiple
cohorts,
including
specific
therapies
esophageal
squamous
cell
carcinoma,
non-small
lung
cancer,
stomach
adenocarcinoma.
In
conclusion,
our
learning-based
approach
offers
an
reproducible
method
quantification,
highlighting
potential
predicting
informing
cancer
prognosis.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(6), P. 3563 - 3563
Published: March 21, 2024
Immunotherapies
have
revolutionized
cancer
treatment
approaches.
Because
not
all
patients
respond
positively
to
immune
therapeutic
agents,
it
represents
a
challenge
for
scientists
who
strive
understand
the
mechanisms
behind
such
resistance.
In-depth
exploration
of
tumor
biology,
using
novel
technologies
as
omics
science,
can
help
decode
role
microenvironment
(TIME)
in
producing
response
blockade
strategies.
It
also
identify
biomarkers
patient
stratification
and
personalized
treatment.
This
review
aims
explore
these
new
models
highlight
their
possible
pivotal
changing
clinical
practice.