Head
and
neck
squamous
cell
carcinoma
remains
challenging
due
to
high
recurrence
rates
poor
survival
outcomes.
Developing
precise
technologies
for
disease
burden
assessment,
treatment
response,
minimal
residual
(MRD)
surveillance
is
crucial
improving
prognosis.
This
review
explores
the
potential
of
liquid
biopsy
MRD
detection.
A
novel
TNM
(LiTNM)
staging
system
introduced,
integrating
biomarkers
from
saliva,
surgical
drain
lymphatic
fluid
(SLF),
peripheral
blood.
Proximal
biopsies,
particularly
saliva
SLF,
offer
advantages
their
proximity
tumor
microenvironment.
Saliva
demonstrates
sensitivity
in
HPV-associated
oropharyngeal
cancers,
while
SLF
holds
identifying
early
postoperative
recurrence.
Despite
these
advancements,
standardization
validation
remain
challenges.
Liquid
approaches
show
promise
monitoring,
yet
clinical
implementation
stages.
The
proposed
LiTNM
could
complement
by
providing
a
molecular
framework
risk
stratification.
However,
rigorous
prospective
studies
are
necessary
validate
its
utility
facilitate
adoption.
Cancers,
Год журнала:
2025,
Номер
17(2), С. 302 - 302
Опубликована: Янв. 17, 2025
Background:
The
aim
of
this
study
was
to
evaluate
biomarkers
and
biological
characteristics
tumor
biopsies
from
patients
with
head
neck
cancer
(HNC)
assess
the
risk
early
death.
Furthermore,
we
analyzed
whether
any
combination
markers
could
be
used
for
prognostication
death
within
six
months
after
diagnosis.
Materials
Methods:
Patients
diagnosed
HNC,
receiving
curative
treatment
decision
at
a
multidisciplinary
board
meeting,
who
died
diagnosis
were
included
in
study.
Nine
identified
matched
according
site
stage
seventeen
survived
least
two
years.
Results:
expression
compared
between
early-death
survivors.
There
significantly
higher
Ki-67
than
those
surviving
years,
mean
difference
21%
(p
=
0.038).
A
significant
cytoplasmic
survivin
noted
where
had
increased
survivors
0.021).
intensity
staining
differed
groups
0.006).
Conclusions:
results
pilot
indicate
that
Ki67
potential
prognostic
HNC
possibly
panel
value
making.
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
Background
Recurrent/metastatic
head
and
neck
squamous
cell
carcinoma
(R/M
HNSCC)
is
an
aggressive
cancer
with
a
median
overall
survival
of
only
12
months.
Existing
biomarkers
have
limited
ability
to
predict
treatment
response
or
survival,
exposing
many
patients
the
potential
toxicity
without
certain
clinical
benefit.
Circulating
tumor
DNA
(ctDNA)
has
emerged
as
non-invasive,
real-time
biomarker
that
could
address
these
challenges.
Methods
We
analyzed
137
plasma
samples
from
16
R/M
HNSCC
undergoing
immune
checkpoint
blockade
(ICB)-based
therapy.
A
tumor-informed,
highly
sensitive
next-generation
sequencing
liquid
biopsy
assay
(RaDaR,
NeoGenomics
Laboratories,
Inc.)
was
applied
track
ctDNA
changes
at
baseline
throughout
treatment.
Univariable
multivariable
analyses
were
used
assess
association
between
negativity
key
outcomes:
disease
control
(best
objective
stable
disease,
partial
response,
complete
response),
three-year
(OS),
progression-free
(PFS).
also
assessed
machine
learning
model
progression
based
on
dynamics.
Results
Multivariable
analysis
revealed
during
significantly
associated
improved
(OR
21.7,
95%
CI
1.86-754.88,
p=0.0317),
OS
(HR
0.04,
0.00-0.47,
p=0.0103),
PFS
0.03,
0.00-0.37,
p=0.0057).
The
predicted
88%
accuracy
(AUC
0.89).
Conclusion
Serial
monitoring
control,
in
receiving
ICB,
suggesting
incorporation
into
practice
enhance
decision-making
for
clinicians
improve
patient
outcomes.
International Journal of Clinical Oncology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 7, 2025
Although
the
5-year
relative
survival
rates
for
resectable
solid
tumors
have
improved
over
past
few
years,
risk
of
postoperative
recurrence
necessitates
effective
monitoring
strategies.
Recent
advancements
in
molecular
residual
disease
(MRD)
testing
based
on
circulating
tumor
DNA
(ctDNA)
analysis
shown
considerable
promise
context
predicting
recurrence;
however,
significant
barriers
to
widespread
clinical
implementation
remain-mainly,
low
awareness
among
healthcare
professionals,
high
costs,
and
lack
standardized
assays
comprehensive
evidence.
This
position
paper,
led
by
Japan
Society
Clinical
Oncology,
aims
establish
a
common
framework
appropriate
use
MRD
type-agnostic
manner.
It
synthesizes
currently
available
evidence,
reviews
region-specific
trends,
addresses
critical
questions
related
testing,
offers
recommendations
guide
biotechnology
pharmaceutical
companies,
regulatory
authorities.
These
were
developed
voting
process
involving
15
expert
members,
ensuring
consensus-driven
approach.
findings
underscore
importance
collaborative
efforts
various
stakeholders
enhancing
utility
testing.
project
aimed
foster
consensus
provide
clear
guidelines
support
advancement
precision
medicine
oncology
improve
patient
outcomes
perioperative
care.
Head
and
neck
squamous
cell
carcinoma
remains
challenging
due
to
high
recurrence
rates
poor
survival
outcomes.
Developing
precise
technologies
for
disease
burden
assessment,
treatment
response,
minimal
residual
(MRD)
surveillance
is
crucial
improving
prognosis.
This
review
explores
the
potential
of
liquid
biopsy
MRD
detection.
A
novel
TNM
(LiTNM)
staging
system
introduced,
integrating
biomarkers
from
saliva,
surgical
drain
lymphatic
fluid
(SLF),
peripheral
blood.
Proximal
biopsies,
particularly
saliva
SLF,
offer
advantages
their
proximity
tumor
microenvironment.
Saliva
demonstrates
sensitivity
in
HPV-associated
oropharyngeal
cancers,
while
SLF
holds
identifying
early
postoperative
recurrence.
Despite
these
advancements,
standardization
validation
remain
challenges.
Liquid
approaches
show
promise
monitoring,
yet
clinical
implementation
stages.
The
proposed
LiTNM
could
complement
by
providing
a
molecular
framework
risk
stratification.
However,
rigorous
prospective
studies
are
necessary
validate
its
utility
facilitate
adoption.