Squamous
cell
carcinoma
(SCC)
is
the
most
common
malignancy
of
head
and
neck.
Stagnating
survival
rates
in
recent
decades,
despite
advances
treatment
paradigms,
surveillance
technologies,
multidisciplinary
care,
leave
clinicians
with
a
need
for
better
options
screening,
risk-stratifying,
monitoring
patients.
A
growing
proportion
patients
HPV-associated
SCC
have
improved
outcomes
but
continue
to
heterogenous
response
treatment.
Advances
platforms
assays
measuring
circulating
tumor
DNA
offer
an
opportunity
monitor
disease
status
at
molecular
level
both
virally
mediated
traditional
risk-factor-driven
This
overview
will
discuss
experimental,
clinically
used,
commercially
available
liquid
biopsy
their
applications
neck
malignancies.
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
Purpose
While
circulating
tumor
DNA
(ctDNA)
is
a
promising
biomarker
for
minimal
residual
disease
(MRD)
detection
in
head
and
neck
squamous
cell
carcinoma
(HNSCC),
more
sensitive
assays
are
needed
accurate
MRD
at
clinically-relevant
timepoints.
Ultrasensitive
immediately
after
surgery
could
guide
adjuvant
therapy
decisions,
but
early
ctDNA
dynamics
poorly
understood.
Experimental
Design
We
applied
MAESTRO,
whole-genome,
tumor-informed,
mutation-enrichment
sequencing
assay,
pooled
testing
format
called
MAESTRO-Pool,
to
plasma
samples
from
HNSCC
patients
collected
during
surveillance.
evaluated
whether
predict
outcomes.
Results
Among
24
predominantly
HPV-independent
(95.8%)
patients,
rapid
clearance
occurred
by
the
first
postoperative
sample
(1-3
days
postoperatively)
9
without
an
event
(recurrence
or
death).
13/15
with
were
MRD+
(PPV
=
92.9%;
NPV
80%)
median
fraction
(TFx)
of
54
ppm
(range
6-1,177
ppm).
In
last
immediate
window,
8/13
10/13
had
TFx
below
100
ppm,
respectively,
limit
leading
commercial
assays.
Early
correlated
worse
overall
survival
(HR
8.3;
95%
CI:
1.1-66.1;
P
0.02)
event-free
27.4;
3.5-214.5;
<
0.0001)
independent
high-risk
pathology.
Conclusions
Immediate
MAESTRO
was
predictive
recurrence
death.
Given
ultralow
TFxs
observed,
ultrasensitive
will
be
essential
reliable
timepoints
enable
personalized
decision-making
HNSCC.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 18, 2025
Personalized
cancer
treatment
can
significantly
extend
survival
and
improve
quality
of
life
for
many
patients,
but
accurate
real-time
therapy
response
monitoring
remains
challenging.
To
overcome
logistical
technical
challenges
associated
with
via
imaging
scans
or
assays
that
track
the
variant
allele
fraction
(VAF)
somatic
mutations
in
circulating
tumor
DNA
(ctDNA),
we
developed
a
tumor-naive
liquid
biopsy
assay
leverages
Quantitative
Counting
Template
(QCT)
technology
to
accurately
precisely
quantify
methylated
ctDNA
(Northstar
Response™).
The
achieves
<
10%
coefficient
variation
at
1%
fraction,
which
is
2
×
lower
than
tumor-naive,
targeted-panel
approaches
using
VAF.
distinguishes
0.25%
absolute
changes
contrived
(AUC
>
0.94)
performs
well
12
solid
types.
Finally,
small
cohort
patients
lung,
colorectal,
pancreatic
cancer,
detected
methylation
correlate
clinical
outcomes.
With
its
precise
quantification
methylation,
Northstar
Response
novel
tool
potential
inform
decision
making
treatment.
JAMA Otolaryngology–Head & Neck Surgery,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
For
decades,
the
3
therapeutic
pillars
for
head
and
neck
squamous
cell
carcinoma
(HNSCC)
have
been
radiation
therapy,
chemotherapy,
surgery.
In
recent
years,
a
fourth
pillar,
immunotherapy,
has
shifted
existing
paradigm
of
oncologic
care
by
improving
survival
outcomes.
This
narrative
review
highlights
key
completed
ongoing
clinical
trials
that
led
to
new
approaches
are
aiming
further
alter
current
standard
care.
Immunotherapy
in
HNSCC
first
saw
success
phase
with
immune
checkpoint
inhibitors
(ICIs)
programmed
death
1
protein
patients
recurrent
or
metastatic
(R/M)
disease.
However,
only
approximately
15%
20%
R/M
achieve
durable
responses.
Subsequent
aimed
broaden
ICIs
definitive
curative
setting,
combination
established
chemoradiation
modalities.
These
studies
yielded
disappointing
results,
raising
concerns
concurrent
administration
ICI
chemoradiation-
radiation-induced
attenuation
responses
may
contribute
lack
efficacy.
Therefore,
attempted
introduce
sequentially,
either
prior
surgery
neoadjuvant
setting
following
treatment
adjuvant
maintenance
setting.
demonstrated
mixed
results
but
promising
initial
from
early
demonstrating
signals
response.
Further
currently
underway
various
combinatorial
settings
assess
response
rates
survival.
The
introduction
brought
dramatic
shift
landscape
HNSCC.
Completed
provided
hope
patients,
failures
several
suggest
based
on
biologic
understanding
required
expand
immunotherapeutic
approaches.
Molecular Diagnosis & Therapy,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Cell-free
DNA
(cfDNA)
is
changing
the
face
of
liquid
biopsy
as
a
minimally
invasive
tool
for
disease
detection
and
monitoring,
with
its
main
applications
in
oncology
prenatal
testing,
rising
roles
transplant
patient
monitoring.
However,
processes
cfDNA
biogenesis,
fragmentation,
clearance
are
complex
require
further
investigation.
Evidence
suggests
that
production
relates
to
mechanisms
cell
death
repair,
both
which
influence
fragment
size
applicability
biomarker.
An
emerging
domain,
fragmentomics
being
explored
advancing
field
diagnostics
using
non-mutational
signatures
such
ratios
methylation
patterns.
Thus,
this
review
examines
structural
diversity
various
sizes.
In
examining
these
subsets,
we
discuss
their
distinct
biological
origins
potential
clinical
utility.
Development
sequencing
methodologies
has
broadened
application
diagnosing
cancers
organ-specific
pathologies,
well
directing
personalized
therapies.
This
been
achieved
by
identifying
uncovering
different
subsets
biofluids
biofluids.
Different
provide
important
insights
regarding
genomic
epigenetic
features,
enhancing
understanding
gene
regulation,
tissue-specific
functions,
progression.
Advancement
key
areas
asserts
increasing
relevance
use
Continued
exploration
expected
drive
innovation
integration
into
routine
practice.
JAMA Otolaryngology–Head & Neck Surgery,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Importance
While
neoadjuvant
chemotherapy
for
head
and
neck
squamous
cell
carcinoma
dates
to
the
earliest
multidisciplinary
approaches,
introduction
of
immune
checkpoint
inhibitors
(ICIs)
has
renewed
enthusiasm
research
into
its
use.
Although
therapy
remained
mostly
investigative
through
single-institutional
clinical
trials
mucosal
carcinoma,
new
data
have
emerged
support
Observations
A
narrative
review
was
conducted
by
American
Head
Neck
Society
address
current
literature,
evolving
research,
gaps
in
knowledge
surrounding
therapy.
Neoadjuvant
ICIs,
most
notably
agents
targeting
anti–programmed
death
protein
1
(anti–PD-1),
are
a
promising
approach
bolstering
antitumor
immunity
prior
ablating
local
structures.
may
allow
an
individualized
approach,
biomarkers
guide
patient
selection
limited.
Potential
benefits
include
de-escalation
subsequent
treatment,
but
curable
disease
also
carries
small
real
risk
progression
compromise
curative
options.
Measures
response
pathologic,
clinical,
radiographic,
there
rapidly
expanding
capabilities
diagnostics,
such
as
circulating
tumor
DNA,
with
emerging
potential
provide
objective
quantification
burden.
Further
strategies
adaptive
therapy,
treatment
selection/bioselection
or
modification
surgery,
adjuvant
definitive
treatment.
ICI
summarized
this
review.
Optimized
trial
designs
additional
needed
standardize
surrogate
outcomes
compare
survival
standard
Conclusions
Relevance
can
be
effective
option
precision
oncology
bolstered
advent
anti–PD-1
immunotherapy.
However,
tools
predicting
assessing
remain
evaluating
strategies,
combinations
increase
efficacy,
comparisons
approaches.
Circulating
tumour
DNA
(ctDNA)
has
emerged
as
a
valuable
liquid
biopsy
biomarker
in
the
field
of
oncology,
including
head
and
neck
squamous
cell
carcinomas
(HNSCCs),
offering
potential
insights
into
cancer
diagnosis,
progression,
prognosis.
This
review
aims
to
comprehensively
evaluate
utility
ctDNA
prognostic
HNSCC.
PubMed
Ovid
were
searched
part
our
review.
Studies
that
investigated
relationship
between
prognosis
HNSCC
patients
included.
Outcomes
extracted
included
basic
characteristics,
details
survival
data.
Meta-analysis
was
performed
on
eligible
studies
determine
pooled
progression-free/recurrence-free
(RFS/PFS)
overall
(OS).
Twenty-two
included,
involving
5062
from
11
countries.
The
meta-analysis
demonstrated
positive
ctDNA/methylation
detection
associated
with
worse
OS
(HR
=
2.00,
95%
CI
1.35–2.96)
PFS/RFS
3.54,
1.05–11.85).
Positive
ctEBV
poorer
2.86,
1.84–4.45)
1.93,
1.74–2.13).
ctHPV
1.38,
1.07–1.38)
but
not
PFS/PFS
1.33,
0.96–1.85).
indicates
status
is
significantly
patients,
ctDNA/methylation-negative
demonstrating
better
OS.
Cancers,
Год журнала:
2024,
Номер
16(13), С. 2432 - 2432
Опубликована: Июль 1, 2024
Circulating
tumor
DNA
(ctDNA),
a
fragment
of
found
in
the
bloodstream,
has
emerged
as
revolutionary
tool
cancer
management.
This
review
delves
into
biology
ctDNA,
examining
release
mechanisms,
including
necrosis,
apoptosis,
and
active
secretion,
all
which
offer
information
about
state
nature
tumor.
Comprehensive
profiling
been
enabled
by
methods
such
whole
genome
sequencing
methylation
analysis.
The
low
abundance
ctDNA
fraction
makes
alternative
techniques,
digital
PCR
targeted
next-generation
exome
sequencing,
more
valuable
accurate
for
mutation
detection.
There
are
numerous
clinical
applications
analysis,
non-invasive
liquid
biopsies
minimal
residual
disease
monitoring
to
detect
recurrence,
personalized
medicine
therapy
identification,
early
detection,
real-time
evaluation
therapeutic
response.
Integrating
analysis
routine
practice
creates
promising
avenues
successful
care,
from
diagnosis
treatment
follow-up.