Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(4), P. 921 - 921
Published: April 21, 2024
Current
management
of
non-metastatic
muscle
invasive
bladder
cancer
(MIBC)
includes
radical
cystectomy
and
cisplatin-based
neoadjuvant
chemotherapy
(NAC),
offers
a
5-year
survival
rate
approximately
50%
is
associated
with
significant
toxicities.
A
growing
body
evidence
supports
the
role
liquid
biopsies
including
circulating
tumour
DNA
(ctDNA)
as
prognostic
predictive
marker
that
could
stratify
patients
according
to
individualised
risk
progression/recurrence.
Detectable
ctDNA
levels
prior
have
been
shown
be
correlated
higher
recurrence
worse
overall
prognosis
after
cystectomy.
In
addition,
status
NAC/neoadjuvant
immunotherapy
pathological
response
these
treatments,
persistently
detectable
being
residual
at
Finally,
post-cystectomy
disease
relapse
disease-free
(DFS)
(OS)
might
identify
population
benefit
from
adjuvant
immunotherapy.
International Journal of Surgery,
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 22, 2023
Research
has
shown
that
neoadjuvant
immunotherapy
may
provide
more
significant
clinical
benefits
to
cancer
patients
undergoing
surgery
than
adjuvant
therapy.
This
study
examines
the
development
of
research
using
bibliometric
analysis.
As
February
12,
2023,
articles
on
in
Web
Science
Core
Collection
(WoSCC)
were
collected.
Co-authorship
and
keyword
co-occurrence
analyses
visualizations
performed
VOSviewer,
while
CiteSpace
was
used
identify
bursting
keywords
references.
The
analyzed
a
total
1,222
publications.
top
contributors
this
field
United
States
(US),
China,
Italy,
journal
with
most
publications
Frontiers
Oncology.
Francesco
Montorsi
had
highest
H-index.
common
“immunotherapy”
“neoadjuvant
therapy.”
conducted
analysis
over
20
years
research,
identifying
countries,
institutions,
authors,
journals,
involved
field.
findings
comprehensive
overview
research.
European Urology,
Journal Year:
2024,
Volume and Issue:
86(4), P. 301 - 311
Published: May 29, 2024
Circulating
tumor
DNA
(ctDNA)
can
be
used
for
sensitive
detection
of
minimal
residual
disease
(MRD).
However,
the
probability
detecting
ctDNA
in
settings
low
burden
is
limited
by
number
mutations
analyzed
and
plasma
volume
available.
We
a
whole-genome
sequencing
(WGS)
approach
patients
with
urothelial
carcinoma.
Clinical Cancer Research,
Journal Year:
2023,
Volume and Issue:
29(23), P. 4797 - 4807
Published: Oct. 2, 2023
Abstract
Purpose:
To
investigate
whether
circulating
tumor
DNA
(ctDNA)
assessment
in
patients
with
muscle-invasive
bladder
cancer
predicts
treatment
response
and
provides
early
detection
of
metastatic
disease.
Experimental
Design:
We
present
full
follow-up
results
(median
follow-up:
68
months)
from
a
previously
described
cohort
neoadjuvant
chemotherapy
(NAC)-treated
who
underwent
longitudinal
ctDNA
testing
(712
plasma
samples).
In
addition,
we
performed
evaluation
153
samples
collected
before
after
radical
cystectomy
(RC)
separate
102
NAC-naïve
72
months).
Total
RNA
sequencing
tumors
was
to
biological
characteristics
shedding
tumors.
Results:
Assessment
RC
identified
relapse
sensitivity
94%
specificity
98%
using
the
expanded
data
for
NAC-treated
patients.
dynamics
during
NAC
independently
associated
patient
outcomes
when
adjusted
pathologic
downstaging
(HR
=
4.7;
P
0.029).
For
patients,
prognostic
predictor
3.4;
0.0005)
17.8;
0.0002).
No
statistically
significant
difference
recurrence-free
survival
without
detectable
at
diagnosis
observed
between
cohorts.
Baseline
positivity
Basal/Squamous
(Ba/Sq)
subtype
enrichment
epithelial-to-mesenchymal
transition
cell
cycle–associated
gene
sets.
Conclusions:
is
more
than
5
years
outperforms
predicting
efficacy.
Patients
may
benefit
significantly
less
NAC,
but
additional
studies
are
needed.
Frontiers in Cell and Developmental Biology,
Journal Year:
2024,
Volume and Issue:
12
Published: May 9, 2024
Cell-free
DNA
(cfDNA),
a
burgeoning
class
of
molecular
biomarkers,
has
been
extensively
studied
across
variety
biomedical
fields.
As
key
component
liquid
biopsy,
cfDNA
testing
is
gaining
prominence
in
disease
detection
and
management
due
to
the
convenience
sample
collection
abundant
wealth
genetic
information
it
provides.
However,
broader
clinical
application
currently
impeded
by
lack
standardization
preanalytical
procedures
for
analysis.
A
number
fundamental
challenges,
including
selection
appropriate
procedures,
prevention
short
fragment
loss,
validation
various
measurement
methods,
remain
unaddressed.
These
existing
hurdles
lead
difficulties
comparing
results
ensuring
repeatability,
thereby
undermining
reliability
analysis
settings.
This
review
discusses
crucial
factors
that
influence
outcomes,
collection,
transportation,
temporary
storage,
processing,
extraction,
quality
control,
long-term
storage.
The
provides
clarification
on
achievable
consensus
offers
an
current
issues
with
goal
standardizing
Cancer Cell International,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: March 1, 2025
At
present,
there
is
no
effective
prognostic
indicator
for
muscle
invasive
bladder
cancer
(MIBC).
A
liquid
biopsy
method,
plasma
circulating
tumor
DNA
(ctDNA)
detection,
was
evaluated
use
in
predicting
the
prognosis
of
different
cancers.
This
study
aims
to
assess
value
ctDNA
state
muscle-invasive
patients.
We
comprehensively
searched
three
public
databases
(PubMed,
EMBASE,
and
Cochrane
Library)
December
2023
according
Preferred
Reporting
Items
Systematic
Review
Meta-analysis
(PRISMA)
statement.
Studies
investigating
outcome
indicators
patients
with
MIBC
were
included
our
analysis.
The
hazard
ratios
(HRs)
95%
confidence
intervals
(CIs)
extracted
evaluate
association
between
MIBC.
Eleven
studies
1,170
diagnosed
cancer,
comprising
a
total
four
retrospective
cohort
eight
prospective
studies,
meta-analysis,
one
which
had
two
cohorts.
analysis
revealed
that
positive
associated
poor
overall
survival
(OS),
progression-free
(PFS),
recurrence-free
(RFS)
(HR
=
4.51,
CI:
2.64–7.69,
P
<
0.001;
HR
4.50,
2.77–7.30,
6.56,
4.18–10.30,
0.001),
significant
effects
both
pre-
post-treatment.
In
addition,
longitudinal
proved
be
monitoring
receiving
treatments
0.24,
0.14–0.41,
0.001).
OS,
PFS,
RFS
Meanwhile,
clearance
improved
These
findings
suggest
predictive
MIBC,
can
used
monitor
recurrence
guide
treatment.
Thus,
level
detection
shows
potential
treatment
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: Aug. 31, 2023
Treatment
with
neoadjuvant
cisplatin-based
chemotherapy
followed
by
radical
cystectomy
is
the
default
treatment
for
muscle-invasive
bladder
cancer
(BC).
However,
encouraging
results
of
immune
checkpoint
inhibitiors
(ICI)
directed
against
PD-1/PD-L1
and
CTLA-4
in
recent
years,
landscape
BC
rapidly
changing.
In
addition,
it
becoming
clear
that
effect
ICI
highly
dependent
on
interaction
between
tumor
cells
micro-environment
(TIME).
Different
are
involved
an
anti-tumor
response
BC.
Cytotoxic
CD8
+
T-cells
main
effector
cells,
aided
other
including
T-cells,
B-cells
pro-inflammatory
macrophages.
As
part
ongoing
response,
lymphocytes
aggregate
clusters
called
tertiary
lymphoid
structures
(TLS).
Tumor
mutational
burden
(TMB)
infiltration
into
both
important
factors
establishing
response.
contrast,
transforming
growth
factor
beta
(TGF-β)
signaling
cancer-associated
fibroblasts
(CAFs)
prevents
potentially
has
immunosuppressive
effect.
conclusion,
seems
to
be
reliant
a
combination
tumor-intrinsic
TIME-related
parameters.
More
research
needed
fully
understand
underlying
biological
mechanisms
further
improve
patient
care.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 21, 2024
Abstract
Immune
checkpoint
inhibitors
(ICI)
can
achieve
remarkable
responses
in
urothelial
cancer
(UC),
which
may
depend
on
tumor
microenvironment
(TME)
characteristics.
However,
the
relationship
between
TME,
usually
characterized
by
immune
cell
density,
and
response
to
ICI
is
unclear.
Here,
we
quantify
TME
densities
spatial
relationships
(SRs)
of
24
baseline
UC
samples,
obtained
before
pre-operative
combination
treatment,
using
multiplex
immunofluorescence.
We
describe
SRs
approximating
first
nearest-neighbor
distance
distribution
with
a
Weibull
evaluate
association
metrics
ipilimumab+nivolumab
response.
density
does
not
discriminate
groups.
SR
CD8
+
T
cells
or
macrophages
their
closest
positively
associate
close
B
are
characteristic
non-response.
validate
our
associations
cohort
head
neck
tumors.
Our
data
confirm
that
SRs,
contrast
metrics,
strong
biomarkers
ICIs.