ARQUIVOS BRASILEIROS DE CARDIOLOGIA - IMAGEM CARDIOVASCULAR,
Journal Year:
2025,
Volume and Issue:
38(1)
Published: Jan. 30, 2025
Introdução:
O
aumento
do
uso
de
inibidores
checkpoint
imunológicos
(ICIs)
melhorou
significativamente
os
resultados
no
câncer
pulmão;
entanto,
ainda
há
falta
protocolos
para
prever
a
resposta
ao
tratamento.
Além
disso,
estudos
pré-clínicos
indicaram
uma
associação
promissora
entre
metformina,
β-bloqueadores
(BBs)
e
melhores
em
pacientes
com
câncer.
Objetivos:
objetivo
principal
deste
estudo
foi
investigar
o
impacto
da
metformina
nos
desfechos
sobrevida.
Os
objetivos
secundários
incluíram
avaliação
variação
na
captação
FDG
miocárdio
(alteração
valor
padronizado
[ΔSUV])
durante
tratamento
ICIs
dos
efeitos
tabagismo,
diabetes,
hipertensão
BBs
Métodos:
Este
coorte
retrospectivo
unicêntrico
braço
único
avaliou
pulmão
que
começaram
usar
julho
2016
dezembro
2021.
critérios
inclusão
foram:
idade
superior
18
anos,
tratado
(inibidores
CTLA-4,
PD-1
PD-L1)
realização
pelo
menos
dois
exames
tomografia
por
emissão
pósitrons
combinada
à
computadorizada
(PET-CT).
Resultados:
Cinquenta
oito
preencheram
todos
inclusão.
usuários
apresentaram
um
759
dias
sobrevida
global
(SG)
(p
=
0,015).
Uma
tendência
161
livre
progressão
(SLP)
observada
ΔSUV
miocárdica
positiva
comparação
grupo
negativa
0,066),
juntamente
285
favor
(p=0,886).
Conclusão:
A
significativa
SG
sugere
é
adjuvante
promissor
terapia
ICI.
pode
sugerir
papel
potencial
PET-CT
previsão
resposta,
porém,
maiores
são
necessários
solidificar
essa
hipótese.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: April 7, 2022
Programmed
death-ligand
1
(PD-L1)
assessment
of
lung
cancer
in
immunohistochemical
assays
was
only
approved
diagnostic
biomarker
for
immunotherapy.
But
the
tumor
proportion
score
(TPS)
PD-L1
challenging
owing
to
invasive
sampling
and
intertumoral
heterogeneity.
There
a
strong
demand
development
an
artificial
intelligence
(AI)
system
measure
expression
signature
(ES)
non-invasively.
Frontiers in Immunology,
Journal Year:
2022,
Volume and Issue:
13
Published: Feb. 18, 2022
Epidermal
growth
factor
receptor
(EGFR)
genotyping
and
programmed
death
ligand-1
(PD-L1)
expressions
are
of
paramount
importance
for
treatment
guidelines
such
as
the
use
tyrosine
kinase
inhibitors
(TKIs)
immune
checkpoint
(ICIs)
in
lung
cancer.
Conventional
identification
EGFR
or
PD-L1
status
requires
surgical
biopsied
tumor
specimens,
which
obtained
through
invasive
procedures
associated
with
risk
morbidities
may
be
unavailable
to
access
tissue
samples.
Here,
we
developed
an
artificial
intelligence
(AI)
system
that
can
predict
using
non-invasive
computed
tomography
(CT)
images.
Clinical Cancer Research,
Journal Year:
2022,
Volume and Issue:
29(2), P. 316 - 323
Published: Sept. 9, 2022
Immunotherapy
by
immune
checkpoint
inhibitors
has
become
a
standard
treatment
strategy
for
many
types
of
solid
tumors.
However,
the
majority
patients
with
cancer
will
not
respond,
and
predicting
response
to
this
therapy
is
still
challenge.
Artificial
intelligence
(AI)
methods
can
extract
meaningful
information
from
complex
data,
such
as
image
data.
In
clinical
routine,
radiology
or
histopathology
images
are
ubiquitously
available.
AI
been
used
predict
immunotherapy
images,
either
directly
indirectly
via
surrogate
markers.
While
none
these
currently
in
academic
commercial
developments
pointing
toward
potential
adoption
near
future.
Here,
we
summarize
state
art
AI-based
biomarkers
based
on
images.
We
point
out
limitations,
caveats,
pitfalls,
including
biases,
generalizability,
explainability,
which
relevant
researchers
health
care
providers
alike,
outline
key
use
cases
new
class
predictive
biomarkers.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 23, 2023
Substantial
progress
has
been
made
in
using
deep
learning
for
cancer
detection
and
diagnosis
medical
images.
Yet,
there
is
limited
success
on
prediction
of
treatment
response
outcomes,
which
important
implications
personalized
strategies.
A
significant
hurdle
clinical
translation
current
data-driven
models
lack
interpretability,
often
attributable
to
a
disconnect
from
the
underlying
pathobiology.
Here,
we
present
biology-guided
approach
that
enables
simultaneous
tumor
immune
stromal
microenvironment
status
as
well
outcomes
We
validate
model
predicting
prognosis
gastric
benefit
adjuvant
chemotherapy
multi-center
international
study.
Further,
predicts
checkpoint
inhibitors
complements
clinically
approved
biomarkers.
Importantly,
our
identifies
subset
mismatch
repair-deficient
tumors
are
non-responsive
immunotherapy
may
inform
selection
patients
combination
treatments.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: May 12, 2023
Abstract
The
purpose
of
this
study
was
to
explore
the
effectiveness
radiomics
based
on
multisequence
MRI
in
predicting
expression
PD-1/PD-L1
hepatocellular
carcinoma
(HCC).
One
hundred
and
eight
patients
with
HCC
who
underwent
contrast-enhanced
2
weeks
before
surgical
resection
were
enrolled
retrospective
study.
Corresponding
paraffin
sections
collected
for
immunohistochemistry
detect
PD-1
PD-L1.
All
randomly
divided
into
a
training
cohort
validation
at
ratio
7:3.
Univariate
multivariate
analyses
used
select
potential
clinical
characteristics
related
PD-L1
expression.
Radiomics
features
extracted
from
axial
fat-suppression
T2-weighted
imaging
(FS-T2WI)
images
arterial
phase
portal
venous
dynamic
MRI,
corresponding
feature
sets
generated.
least
absolute
shrinkage
selection
operator
(LASSO)
optimal
analysis.
Logistic
regression
analysis
performed
construct
single-sequence
radiomic-clinical
models.
predictive
performance
judged
by
area
under
receiver
operating
characteristic
curve
(AUC)
cohorts.
In
whole
cohort,
positive
43
patients,
34
patients.
presence
satellite
nodules
served
as
an
independent
predictor
AUC
values
FS-T2WI,
phase,
models
0.696,
0.843,
0.863,
0.946
group
0.669,
0.792,
0.800
0.815
group,
respectively.
0.731,
0.800,
0.831
0.898
0.621,
0.743,
0.771,
0.810
0.779
combined
showed
better
performance.
results
suggest
that
model
has
predict
preoperative
HCC,
which
could
become
biomarker
immune
checkpoint
inhibitor
(ICI)-based
treatment.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(4), P. 831 - 831
Published: Feb. 19, 2024
Non-small
cell
lung
cancer
(NSCLC)
is
the
leading
cause
of
cancer-related
mortality
among
women
and
men,
in
developed
countries,
despite
public
health
interventions
including
tobacco-free
campaigns,
screening
early
detection
methods,
recent
therapeutic
advances,
ongoing
intense
research
on
novel
antineoplastic
modalities.
Targeting
oncogenic
driver
mutations
immune
checkpoint
inhibition
has
indeed
revolutionized
NSCLC
treatment,
yet
there
still
remains
unmet
need
for
robust
standardized
predictive
biomarkers
to
accurately
inform
clinical
decisions.
Artificial
intelligence
(AI)
represents
computer-based
science
concerned
with
large
datasets
complex
problem-solving.
Its
concept
brought
a
paradigm
shift
oncology
considering
its
immense
potential
improved
diagnosis,
treatment
guidance,
prognosis.
In
this
review,
we
present
current
state
AI-driven
applications
management,
particular
focus
radiomics
pathomics,
critically
discuss
both
existing
limitations
future
directions
field.
The
thoracic
community
should
not
be
discouraged
by
likely
long
road
AI
implementation
into
daily
practice,
as
transformative
impact
personalized
approaches
undeniable.
Cancer Immunology Immunotherapy,
Journal Year:
2024,
Volume and Issue:
73(8)
Published: June 4, 2024
Abstract
Background
The
non-invasive
biomarkers
for
predicting
immunotherapy
response
are
urgently
needed
to
prevent
both
premature
cessation
of
treatment
and
ineffective
extension.
This
study
aimed
construct
a
model
response,
based
on
the
integration
deep
learning
habitat
radiomics
in
patients
with
advanced
non-small
cell
lung
cancer
(NSCLC).
Methods
Independent
patient
cohorts
from
three
medical
centers
were
enrolled
training
(
n
=
164)
test
82).
Habitat
imaging
features
derived
sub-regions
clustered
individual’s
tumor
by
K-means
method.
extracted
3D
ResNet
algorithm.
Pearson
correlation
coefficient,
T
least
absolute
shrinkage
selection
operator
regression
used
select
features.
Support
vector
machine
was
applied
implement
radiomics,
respectively.
Then,
combination
developed
integrating
sources
data.
Results
obtained
strong
well-performance,
achieving
area
under
receiver
operating
characteristics
curve
0.865
(95%
CI
0.772–0.931).
significantly
discerned
high
low-risk
patients,
exhibited
significant
benefit
clinical
use.
Conclusion
deep-leaning
contributed
NSCLC.
may
be
as
potential
tool
individual
management.
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.