Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 28, 2023
Abstract
Background
:
Biliary
tract
cancer
(BTC)
remains
one
of
the
rare
but
most
devastating
diseases,
with
a
rising
global
burden.
The
increasing
mortality
and
morbidity
trends
have
indicated
need
for
improved
interventions
effective
treatment
all
BTC
subtypes.
Henc,
there
has
been
proposals
use
combined
chemotherapy
immunotherapy.
Methods
Results
main
research
question
was
“How
is
Chemotherapy-Immunotherapy
combination
compared
to
Chemotherapy
Immunotherapy
alone
in
treating
Tract
Cancer?”
systematic
review
followed
mixed-method
design
based
on
PRISMA
guidelines.
This
focused
studies
published
between
2022
2023.
results
showed
that
both
immunotherapy
monotherapies
are
BTC.
Conclusions
as
well
safer.
BMC Medicine,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 29, 2024
Abstract
Background
Microsatellite
instability-high
(MSI-H)
is
a
unique
genomic
status
in
many
cancers.
However,
its
role
the
features
and
immunotherapy
cholangiocarcinoma
(CCA)
unclear.
This
study
aimed
to
systematically
investigate
characterization
efficacy
of
MSI-H
patients
with
CCA.
Methods
We
enrolled
887
CCA
this
study.
Tumor
samples
were
collected
for
next-generation
sequencing.
Differences
alterations
between
microsatellite
stability
(MSS)
groups
analyzed.
also
investigated
survival
PD-1
inhibitor-based
two
139
advanced
Results
Differential
genetic
MSS
included
mutations
ARID1A
,
ACVR2A
TGFBR2
KMT2D
RNF43
PBRM1
which
enriched
groups.
Patients
an
have
significantly
higher
tumor
mutation
burden
(TMB)
(median
41.7
vs.
3.1
muts/Mb,
P
<
0.001)
more
positive
programmed
death
ligand
1
(PD-L1)
expression
(37.5%
11.9%,
than
those
status.
Among
receiving
therapy,
had
longer
median
overall
(OS,
hazard
ratio
(HR)
=
0.17,
progression-free
(PFS,
HR
0.14,
MSS.
Integrating
PD-L1
(combined
score
≥
5)
could
distinguish
immunotherapy.
Conclusions
was
associated
TMB
value
tumors.
Moreover,
who
received
immunotherapy,
improved
both
OS
PFS.
Trial
registration
registered
on
ClinicalTrials.gov
07/01/2017
(NCT03892577).
Frontiers in Immunology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 7, 2024
Background
Intrahepatic
cholangiocarcinoma
(iCCA)
is
a
highly
aggressive
cancer
with
dismal
prognosis
and
few
effective
therapeutic
approaches.
This
study
aimed
to
investigate
the
efficacy,
safety,
predictive
biomarkers
of
hepatic
arterial
infusion
chemotherapy
(FOLFOX-HAIC)
in
combination
lenvatinib
PD-1
inhibitor
for
patients
advanced
iCCA.
Methods
Locally
or
metastatic
iCCA
receiving
triple
therapy
lenvatinib,
inhibitor,
FOLFOX-HAIC
were
included
this
retrospective
study.
Primary
endpoint
was
progression-free
survival,
evaluated
using
RECIST
criterion.
The
secondary
endpoints
overall
objective
response
rate,
safety.
Whole
exome
RNA
sequencing
tumor
biopsy
tissues
performed
biomarker
exploration.
Results
Between
May,
2019
December
2022,
total
46
primary
showed
median
survival
9.40
months
(95%
CI:
5.28-13.52),
6-month
rate
76.1%.
16.77
CI,
14.20-19.33),
an
47.8%
disease
control
91.3%
per
RECIST.
In
addition,
4.3%
8.7%
achieved
complete
all
lesions
intrahepatic
target
mRECIST,
respectively.
most
common
treatment-related
adverse
events
neutropenia,
thrombocytopenia,
elevated
aspartate
aminotransferase
alanine
level.
Furthermore,
integrated
analysis
genetic,
transcriptomic,
immunohistochemistry
data
revealed
that
pre-existing
immunity
(high
expression
level
immune-related
signatures
intra-tumoral
CD8
+
T
cell
density)
baseline
associated
superior
clinical
benefits.
However,
evaluation
mutation
burden
did
not
show
potential
value
combination.
Conclusion
demonstrated
promising
antitumor
activity
manageable
safety
profiles
Moreover,
our
also
new
perspectives
on
efficacy.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 26, 2025
This
study
evaluated
the
efficacy
and
safety
of
camrelizumab
combined
with
platinum-based
chemotherapy
(taxanes
[T]
or
fluorouracil
agents
[F]
plus
platinum
[P]
drugs)
as
first-line
treatment
in
advanced
esophageal
squamous
cell
carcinoma
(ESCC),
using
immune
repertoire
sequencing
(IRS)
to
explore
response
mechanism.
In
this
multi-center,
prospective
cohort
study,
88
patients
received
TP
FP,
achieving
a
1-year
progression-free
survival
56.8%
overall
68.2%.
The
objective
rate
(ORR)
was
64.8%,
disease
control
91.1%.
While
most
treatment-related
adverse
events
were
mild,
12.5%
experienced
grade
≥3
toxicities.
IRS
showed
significant
differences
T-cell
receptor
(TCR)
β-chain
immunoglobulin
heavy
chain
between
(ORR
group)
without
ORR
(non-ORR
group),
particularly
distribution
expression
some
genes.
Specifically,
we
found
amino
acid
composition
complementarity
determining
region
3
(CDR3)
polypeptide
sequences
TCR
B-cell
(BCR)
non-ORR
groups.
For
TCR,
observed
substantial
oligoclonal
enrichment
abundance
specific
V
J
Similarly,
for
BCR,
detected
clonotype
CDR3
segments
identified
several
differential
Camrelizumab
is
effective
well-tolerated
ESCC,
may
reveal
mechanism
influencing
response.
Hepatology Communications,
Journal Year:
2024,
Volume and Issue:
8(1)
Published: Jan. 1, 2024
Background:
The
impact
of
HBV
infection
on
the
prognosis
patients
with
intrahepatic
cholangiocarcinoma
(ICC)
remains
uncertain,
and
underlying
mechanism
has
not
been
elucidated.
This
study
aims
to
explore
potential
via
clinical
perspectives
immune
features.
Methods:
We
retrospectively
reviewed
1308
ICC
treated
surgically
from
January
2007
2015.
Then,
we
compared
immune-related
markers
using
immunohistochemistry
staining
obtain
gene
expression
profile
GSE107943
related
literature
for
preliminary
bioinformatics
analysis.
Subsequently,
conducted
a
drug
sensitivity
assay
validate
role
TNFSF9
in
organoid-autologous
cell
coculture
system
patient-derived
organoids–based
xenograft
platform.
Results:
analysis
revealed
that
tumors
without
exhibited
greater
size
higher
likelihood
lymphatic
metastasis,
tumor
invasion,
relapse.
After
resection,
HBV-infected
had
longer
survival
time
than
uninfected
(
p
<0.01).
Interestingly,
HBV-positive
was
percentage
CD8
+
T
cells
tissue
<0.05).
screened
21
differentially
expressed
genes
investigated
function
through
analyses.
organoids
lower
infection.
growth
HBV-negative
significantly
inhibited
by
inhibiting
neutralizing
antibody.
Additionally,
rate
faster
HbsAg
(−)
model
(+)
group.
Conclusions:
activation
response
induced
makes
differ
patients.
International Journal of Nanomedicine,
Journal Year:
2024,
Volume and Issue:
Volume 19, P. 3387 - 3404
Published: April 1, 2024
Abstract:
Cancer
immunotherapy
has
emerged
as
a
novel
therapeutic
approach
against
tumors,
with
immune
checkpoint
inhibitors
(ICIs)
making
significant
clinical
practice.
The
traditional
ICIs,
PD-1
and
PD-L1,
augment
the
cytotoxic
function
of
T
cells
through
inhibition
tumor
evasion
pathways,
ultimately
leading
to
initiation
an
antitumor
response.
However,
implementation
ICIs
encounters
obstacles
stemming
from
existence
immunosuppressive
microenvironment
inadequate
infiltration
CD8
+
cells.
Considerable
attention
been
directed
towards
advancing
immunogenic
cell
death
(ICD)
potential
solution
counteract
microenvironment.
This
holds
promise
in
transforming
"cold"
tumors
into
"hot"
that
exhibit
responsiveness
antitumor.
By
combining
ICD
synergistic
response
can
be
achieved.
combination
inducers
PD-1/PD-L1
is
hindered
by
issues
such
poor
targeting
uncontrolled
drug
release.
An
advantageous
presented
stimulus-responsive
nanocarrier
integrating
physicochemical
properties
inhibitors,
facilitating
precise
delivery
specific
tissues
for
optimal
therapy.
Moreover,
these
nanocarriers
leverage
distinct
features
accomplish
controlled
release
regulate
kinetics
delivery.
article
aims
investigate
advancement
co-delivery
utilizing
inhibitors.
Special
focus
dedicated
exploring
advantages
recent
advancements
this
system
enabling
inducers.
molecular
mechanisms
are
concisely
summarized.
In
conclusion,
we
examine
research
prospects
challenges
could
greatly
enhance
immunotherapeutic
approaches
cancer
treatment.
Keywords:
therapy,
death,
co-delivery,
immune-checkpoint
An
immunosuppressive
tumor
microenvironment
limits
the
efficacy
of
immunotherapy,
thus
patients
with
MSS
and
pMMR
mCRC
often
face
great
challenges.In
this
phase
II
trial,
received
Gamma
Knife
SBRT
combined
Tislelizumab.
P
Biomarker
analysis
was
performed
pre-
post-treatment.
From
November
2022
to
July
2024,
13
20
achieved
PR,
6
SD.
mPFS
10.7
months
(95%
CI,
6.4-15.0).
With
no
grade
4
events
noted,
common
adverse
included
nausea
(65%),
anemia
(55%),
fatigue
(45%).
For
who
had
not
responded
first
second-line
therapies,
combo
tislelizumab
showed
high
reasonable
safety.
Significant
post-radiotherapy
improvements
in
tumor’s
microenvironment.
These
results
imply
that
pMMR/MSS/MSI-L
were
unresponsive
chemotherapy,
provides
a
safe
powerful
later-line
treatment
alternative.
An
immunosuppressive
tumor
microenvironment
limits
the
efficacy
of
immunotherapy,
thus
patients
with
MSS
and
pMMR
mCRC
often
face
great
challenges.In
this
phase
II
trial,
received
Gamma
Knife
SBRT
combined
Tislelizumab.
P
Biomarker
analysis
was
performed
pre-
post-treatment.
From
November
2022
to
July
2024,
13
20
achieved
PR,
6
SD.
mPFS
10.7
months
(95%
CI,
6.4-15.0).
With
no
grade
4
events
noted,
common
adverse
included
nausea
(65%),
anemia
(55%),
fatigue
(45%).
For
who
had
not
responded
first
second-line
therapies,
combo
tislelizumab
showed
high
reasonable
safety.
Significant
post-radiotherapy
improvements
in
tumor’s
microenvironment.
These
results
imply
that
pMMR/MSS/MSI-L
were
unresponsive
chemotherapy,
provides
a
safe
powerful
later-line
treatment
alternative.
Frontiers in Immunology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 31, 2025
Background
Immune
checkpoint
inhibitors
(ICIs)
combined
with
gemcitabine
and
cisplatin
chemotherapy
have
become
the
standard
first-line
treatment
for
advanced
biliary
tract
cancer
(BTC).
However,
real-world
evidence
on
domestic
ICIs
widely
used
in
China
therapeutic
outcomes
across
lines
remains
limited.
This
study
aimed
to
assess
effectiveness
safety
profiles
of
BTC
patients,
while
concurrently
elucidating
potential
efficacy
variations
among
distinct
ICI
subtypes.
Methods
We
analyzed
patients
unresectable,
locally
advanced,
or
metastatic
treated
at
West
Hospital
(January
2019–October
2023).
Primary
endpoint
was
overall
survival
(OS),
secondary
endpoints
included
progression-free
(PFS),
objective
response
rate
(ORR),
disease
control
(DCR),
safety.
Kaplan-Meier
curves,
propensity
score
matching
(PSM),
Cox
proportional
hazards
regression
efficacy.
Results
A
total
221
were
enrolled.
Among
them,
137
received
first
line,
84
second
later
lines.
For
as
therapy,
median
OS
15.7
months
(95%
CI:
13.1-19.8)
PFS
8.4
7.6-10.3).
In
contrast,
had
shorter
9.8
8.1–12.3)
5.6
4.2–6.8).
The
reduced
later-line
treatments
may
reflect
prior
resistance
generally
poorer
patient
conditions
compared
recipients.
211
(95.5%)
experienced
least
one
adverse
event
(AE),
93
(42.1%)
them
grade
3
higher
AEs.
incidence
immune-related
events
(irAEs)
35.8%,
8.6%
experiencing
3-4
irAEs.
most
common
are
Durvalumab
Sintilimab,
which
we
interested
comparing.
showed
numerically
superior
vs
Sintilimab
(19.3
10.2
months,
p<0.001)
unmatched
analysis,
though
significance
attenuated
after
PSM
(16.1
13.1
p=0.299).
Conclusion
demonstrate
robust
manageable
toxicity
settings,
supporting
their
use
both
first-
BTC.
whether
alternatives
remain
viable
options
warranting
further
validation.