Healthcare,
Journal Year:
2022,
Volume and Issue:
10(9), P. 1714 - 1714
Published: Sept. 7, 2022
Liquid
biopsy
(LB)
is
a
minimally
invasive
method
which
aims
to
detect
circulating
tumor-derived
components
in
body
fluids.
It
provides
an
alternative
current
cancer
screening
methods
that
use
tissue
biopsies
for
the
confirmation
of
diagnosis.
This
paper
attempts
determine
how
far
regulatory,
policy,
and
governance
framework
provide
support
LB
implementation
into
healthcare
systems
situation
can
be
improved.
For
reason,
European
Alliance
Personalised
Medicine
(EAPM)
organized
series
expert
panels
including
different
key
stakeholders
identify
steps,
challenges,
opportunities
need
taken
effectively
implement
technology
at
country
level
across
Europe.
To
accomplish
change
patient
care
with
approach,
it
required
establish
collaboration
between
multiple
stakeholders,
payers,
policymakers,
medical
scientific
community,
organizations,
both
national
international
level.
Regulators,
pharma
companies,
payers
could
have
major
impact
their
own
domain.
Linking
efforts
EU
vice
versa
help
Europe,
while
patients,
scientists,
physicians,
kit
manufacturers
generate
pull
by
undertaking
more
research
biomarkers.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(16), P. 12613 - 12613
Published: Aug. 9, 2023
Our
understanding
of
the
molecular
mechanisms
underlying
cancer
development
and
evolution
have
evolved
rapidly
over
recent
years,
variation
from
one
patient
to
another
is
now
widely
recognized.
Consequently,
one-size-fits-all
approaches
treatment
been
superseded
by
precision
medicines
that
target
specific
disease
characteristics,
promising
maximum
clinical
efficacy,
minimal
safety
concerns,
reduced
economic
burden.
While
oncology
has
very
successful
in
some
tumors
with
a
large
number
patients
do
not
yet
access
for
their
disease.
The
success
next-generation
depends
on
discovery
new
actionable
rapid,
accurate,
comprehensive
diagnosis
complex
phenotypes
within
each
patient,
novel
trial
designs
improved
response
rates,
worldwide
targeted
anticancer
therapies
all
patients.
This
review
outlines
current
technological
trends,
highlights
multidisciplinary
efforts
are
underway
ensure
many
more
will
be
able
benefit
near
future.
npj Breast Cancer,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Jan. 5, 2024
Abstract
Circulating
tumour
DNA
(ctDNA)
detection
via
liquid
biopsy
is
an
emerging
alternative
to
tissue
biopsy,
but
its
potential
in
treatment
response
monitoring
and
prognosis
triple
negative
breast
cancer
(TNBC)
not
yet
well
understood.
Here
we
determined
the
prevalence
of
actionable
mutations
detectable
ctDNA
using
a
clinically
validated
gene
panel
assay
patients
with
TNBC,
without
recurrence
at
time
study
entry.
Sequencing
plasma
validation
variants
from
130
TNBC
collected
within
7
months
primary
completion
revealed
that
7.7%
had
residual
disease
hotspot
panel.
Among
neoadjuvant
treated
patients,
observed
trend
where
incomplete
pathologic
positive
were
much
higher
risk
reduced
progression
free
survival.
We
propose
high
subset
early
therapy
protocols
may
be
identifiable
by
combining
sensitive
detection.
Journal of Experimental & Clinical Cancer Research,
Journal Year:
2025,
Volume and Issue:
44(1)
Published: Feb. 12, 2025
Abstract
Background
Liquid
biopsy
(LB)
offers
a
promising,
minimally
invasive
alternative
to
traditional
tissue
biopsies
in
cancer
care,
enabling
real-time
monitoring
and
personalized
treatment.
Despite
its
potential,
the
routine
implementation
of
LB
clinical
practice
faces
significant
challenges.
This
scoping
review
examines
barriers
facilitators
influencing
liquid
into
standard
care.
Methods
Four
academic
databases
(PubMed,
Scopus,
Embase,
Web
Science)
were
systematically
searched
without
language
restrictions.
We
included
peer-reviewed
articles
that
published
between
January
2019
March
2024
focused
on
care
or
described
implementation.
Data
relevant
objective,
including
key
article
characteristics;
implementation;
recommendations
for
advancement
optimisation;
extracted
analysed
using
thematic
visual
network
analyses.
Results
The
majority
narrative
(84%),
with
most
from
China
(24.2%)
United
States
(20%).
Thematic
analysis
identified
four
main
categories
their
associated
care:
(1)
Laboratory
personnel
requirements;
(2)
Disease
specificity;
(3)
Biomarker-based
biopsy;
(4)
Policy
regulation.
concentrated
pre-analytical
phase,
highlighting
lack
standardization
technologies
outcomes.
Conclusions
Through
implementation,
we
present
an
integrated
tool
designed
encourage
testing
methods
guidelines
field.
JAMA Oncology,
Journal Year:
2023,
Volume and Issue:
9(12), P. 1716 - 1716
Published: Oct. 12, 2023
Human
papillomavirus
(HPV)-positive
oropharyngeal
squamous
cell
carcinoma
has
an
overall
favorable
prognosis,
yet
a
subset
of
patients
will
experience
devastating
disease
recurrence.
Current
surveillance
standards
for
detection
recurrent
are
imperfect.
There
is
growing
interest
in
improving
through
the
use
plasma-based
assays
able
to
detect
circulating
tumor
HPV
DNA.Although
most
DNA
remain
research
domain,
tissue-modified
viral
assay
became
commercially
available
United
States
early
2020
and
been
increasingly
used
clinical
setting.
With
rapidly
increasing
incidence
HPV-positive
concomitant
expansion
biomarker
capabilities
this
disease,
it
critical
reexamine
current
posttreatment
practices
determine
whether
emerging
technologies
may
be
improve
outcomes
survivor
population.
However,
caution
advised;
not
known
biomarker-based
truly
beneficial,
as
true
with
any
intervention,
capacity
cause
harm.Using
Margaret
Pepe's
classic
5
phases
development
cancer
framework,
article
reviews
state
knowledge,
highlights
existing
knowledge
gaps,
suggests
that
should
prioritized
understand
association
between
patient
outcomes.
Specific
attention
paid
assay,
given
its
use.
This
review
serve
road
map
future
guide
clinicians
considering
adoption
practice.
Enrollment
into
trials
incorporating
prioritized.
JCO Precision Oncology,
Journal Year:
2024,
Volume and Issue:
8
Published: March 1, 2024
Clinical
genomic
testing
of
patient
germline,
tumor
tissue,
or
plasma
cell-free
DNA
can
enable
a
personalized
approach
to
cancer
management
and
treatment.
In
prostate
(PCa),
broad
genotyping
tests
are
now
widely
used
identify
germline
and/or
somatic
alterations
in
BRCA2
other
damage
repair
genes.
Alterations
these
genes
confer
sensitivity
poly
(ADP-ribose)
polymerase
inhibitors,
linked
with
poor
prognosis,
have
potential
hereditary
implications
for
family
members.
However,
there
is
huge
variability
reporting
standards,
meaning
that
successful
implementation
clinical
practice,
end
users
must
carefully
select
the
most
appropriate
test
given
critically
interpret
results.
this
white
paper,
we
outline
key
pre-
post-test
considerations
choosing
evaluating
reported
variants,
specifically
patients
advanced
PCa.
Test
choice
be
based
on
context
disease
state,
availability
suitability
regions
covered
by
test.
We
describe
strategies
recognize
false
positives
negatives
results,
including
frameworks
assess
low
fraction,
subclonal
alterations,
clonal
hematopoiesis,
pathogenic
versus
nonpathogenic
variants.
assume
improved
understanding
among
health
care
professionals
researchers
nuances
associated
will
ultimately
lead
optimal
decision
making.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(8), P. 4252 - 4252
Published: April 11, 2024
Circulating
tumor
DNA
(ctDNA)
is
a
promising
biomarker,
reflecting
the
presence
of
cells.
Sequencing-based
detection
ctDNA
at
low
fractions
challenging
due
to
crude
error
rate
sequencing.
To
mitigate
this
challenge,
we
developed
ultra-deep
mutation-integrated
sequencing
(UMIseq),
fixed-panel
deep
targeted
approach,
which
universally
applicable
all
colorectal
cancer
(CRC)
patients.
UMIseq
features
UMI-mediated
correction,
exclusion
mutations
related
clonal
hematopoiesis,
panel
normal
samples
for
modeling,
and
signal
integration
from
single-nucleotide
variations,
insertions,
deletions,
phased
mutations.
was
trained
independently
validated
on
pre-operative
(pre-OP)
plasma
CRC
patients
(n
=
364)
healthy
individuals
61).
displayed
an
area
under
curve
surpassing
0.95
allele
frequencies
(AFs)
down
0.05%.
In
training
cohort,
pre-OP
reached
80%
95%
specificity,
while
it
70%
in
validation
cohort.
enabled
AFs
0.004%.
assess
potential
residual
disease,
26
post-operative
stage
III
were
analyzed.
From
found
that
associated
with
recurrence.
conclusion,
demonstrated
robust
performance
high
sensitivity
enabling
frequencies.
Biomedical Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100718 - 100718
Published: March 1, 2024
This
review
provides
a
comprehensive
overview
of
the
latest
advancements
in
clinical
utility
liquid
biopsy,
with
particular
focus
on
epigenetic
approaches
aimed
at
overcoming
challenges
cancer
diagnosis
and
treatment.
It
begins
by
elucidating
key
terms,
including
methylomics,
fragmentomics,
nucleosomics.
The
progresses
to
discuss
methods
for
analyzing
circulating
cell-free
DNA
(cfDNA)
highlights
recent
studies
showcasing
relevance
modifications
areas
such
as
diagnosis,
drug
treatment
response,
minimal
residual
disease
(MRD)
detection,
prognosis
prediction.
While
acknowledging
hurdles
like
complexity
interpreting
data
absence
standardization,
charts
path
forward.
advocates
integration
multi-omic
through
machine
learning
algorithms
refine
predictive
models
stresses
importance
collaboration
among
clinicians,
researchers,
scientists.
Such
cooperative
efforts
are
essential
fully
leverage
potential
features
practice.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(7), P. 4005 - 4005
Published: April 3, 2024
This
systematic
review
investigates
the
potential
of
circulating
tumour
DNA
(ctDNA)
as
a
predictive
biomarker
in
management
and
prognosis
squamous
cell
carcinoma
anal
canal
(SCCA).
PubMed,
EMBASE,
Cochrane
Central
Registry
Controlled
Trials
were
searched
until
7
January
2024.
Selection
criteria
included
research
articles
exploring
ctDNA
context
cancer
treatment
response,
recurrence
risk
assessment,
consideration
salvage
surgery.
A
total
eight
studies
therefore
final
review,
examining
628
patients.
These
focused
on
three
main
themes:
SCCA
diagnosis
staging,
patient
outcomes.
Significant
heterogeneity
was
observed
terms
cohort,
study
methodology,
biomarkers.
Four
provided
information
sensitivity
biomarkers
SCCA,
with
range
82–100%.
Seven
noted
correlation
between
pre-treatment
levels
disease
burden,
suggesting
that
could
play
role
for
staging
SCCA.
Across
all
seven
paired
pre-
post-treatment
samples,
trend
seen
towards
decreasing
post-treatment,
specific
identification
‘fast
elimination’
group
who
achieve
undetectable
prior
to
end
may
be
less
likely
experience
failure.
Residual
detection
associated
poorer
prognosis.
identifies
broad
useful
decisive
tool
Further
analysis
include
larger
cohorts
is
required
order
clearly
evaluate
their
clinical
decision-making
processes.
Critical Reviews in Clinical Laboratory Sciences,
Journal Year:
2023,
Volume and Issue:
60(8), P. 573 - 594
Published: July 30, 2023
AbstractOver
the
last
decade,
great
advancements
have
been
made
in
field
of
liquid
biopsy
through
extensive
research
and
development
new
technologies
that
facilitate
use
for
cancer
patients.
This
is
shown
by
numerous
tests
gained
clearance
US
Food
Drug
Administration
(FDA)
recent
years.
Liquid
has
significantly
altered
treatment
providing
clinicians
with
powerful
immediate
information
about
therapeutic
decisions.
However,
clinical
integration
still
challenging
there
are
many
critical
factors
to
consider
prior
its
implementation
into
routine
practice.
Lack
standardization
due
technical
challenges
definition
utility
specific
assays
further
complicates
establishment
Standard
Operating
Procedures
(SOPs)
biopsy.
Harmonization
laboratories
established
guidelines
major
importance
overcome
inter-lab
variabilities
observed.
Quality
control
assessment
diagnostic
offer
testing
will
ensure
can
base
their
decisions
on
robust
results.
The
regular
participation
external
quality
schemes
aims
promptly
pinpoint
deficiencies
efficiently
educate
improve
services.
Accreditation
based
ISO15189
standard
Europe
or
CLIA/CAP
accreditation
procedures
best
way
achieve
adaptation
setting
assuring
reliable
results
Nowadays,
various
organizations
from
academia,
industry,
regulatory
agencies
collaborate
set
a
framework
include
all
pre-analytical
phase
analytical
process
final
interpretation
In
this
review,
we
underline
several
analysis
circulating
tumor
DNA
(ctDNA)
cells
(CTCs)
concerning
protocols,
assessment,
harmonization
laboratories,
compliance
need
be
thoroughly
considered
before
enters
clinic.Keywords:
biopsypre-analyticalquality
controlEQAaccreditationcirculating
cellscirculating
DNACTCsctDNA
Disclosure
statementNo
potential
conflict
interest
was
reported
authors.Additional
informationFundingThis
study
carried
out
context
Operational
Program
Competitiveness,
Entrepreneurship,
Innovation,
under
call
RESEARCH
–
CREATE
INNOVATE
(project
code:
T1RCI-02935)
financially
supported
European
Union
Greek
national
funds.