Frontiers in Immunology,
Год журнала:
2023,
Номер
14
Опубликована: Дек. 4, 2023
Uveal
melanoma
(UV)
is
a
rare
and
aggressive
with
poor
1-year
survival.
up
to
50%
of
UV
patients
develop
metastases,
mainly
the
liver.
Here,
authors
present
2-deoxy-2-[
Japanese Journal of Radiology,
Год журнала:
2022,
Номер
41(5), С. 459 - 476
Опубликована: Дек. 28, 2022
Abstract
[
18
F]-fluorodeoxyglucose
(FDG)
positron
emission
tomography
(PET)
is
a
well-established
modality
with
high
sensitivity
for
the
diagnosis
and
staging
of
oncologic
patients.
FDG
taken
up
by
glucose
transporter
cell
membrane
becomes
trapped
within
cell.
In
addition
to
malignant
neoplasms,
active
inflammatory
lesions
some
kinds
benign
tumors
also
accumulate
FDG.
Moreover,
degree
uptake
into
normal
organs
tissues
depends
on
various
physiological
conditions,
which
affected
medical
procedures,
treatments,
drugs.
To
avoid
misleading
interpretations,
it
important
recognize
possible
situations
unexpected
abnormal
accumulation
that
mimic
tumor
lesions.
this
review,
we
present
findings
associated
surgical
or
procedures
treatments.
Some
reflect
expected
reaction
treatment,
show
inflammation
due
prior
procedures.
Occasionally,
FDG–PET
visualizes
other
disorders
are
unrelated
malignancy,
may
be
adverse
effects
certain
drugs
patient
taking.
Careful
review
records
detailed
interviews
patients
thus
necessary.
Abstract
Response
assessment
in
the
context
of
immunomodulatory
treatments
represents
a
major
challenge
for
medical
imaging
community
and
requires
multidisciplinary
approach
with
involvement
oncologists,
radiologists,
nuclear
medicine
specialists.
There
is
evolving
evidence
that
[
18
F]FDG
PET/CT
useful
diagnostic
modality
this
purpose.
The
clinical
indications
for,
principal
aspects
its
standardization
have
been
detailed
recently
published
“
Joint
EANM/SNMMI/ANZSNM
practice
guidelines/procedure
standards
on
recommended
use
during
patients
solid
tumors
version
1.0
”.
These
recommendations
arose
from
fruitful
collaboration
between
international
societies
experts
cancer
treatment.
In
perspective,
key
elements
initiative
are
reported,
summarizing
core
guidelines
radiologists
physicians.
Beyond
previous
guidelines,
perspective
adds
further
commentary
how
technology
can
advance
development
novel
therapeutic
approaches
guide
management
individual
patients.
The Quarterly Journal of Nuclear Medicine and Molecular Imaging,
Год журнала:
2022,
Номер
66(3)
Опубликована: Май 25, 2022
Despite
their
undisputed
contribution
to
the
management
of
various
tumors
and
prolongation
patient
survival,
immune
checkpoint
inhibitors
(ICIs)
exert
effect
at
cost
toxicity.
In
context
activation
host
system
triggered
by
ICIs,
collateral,
inflammatory
side
effects,
commonly
addressed
as
immune-related
adverse
events
(irAEs)
often
occur.
Early
detection
irAEs
can
be
critical
for
adequate
decisions
on
that
may
subsequently
improve
outcome.
Moreover,
emergence
has
been
linked
with
antitumor
elicited
thus,
identification
potentially
provide
prognostic
information.
Although
diagnosis
is
mainly
clinical,
some
asymptomatic
only
diagnosed
imaging
modalities.
At
same
time,
radiological
signs
are
not
necessarily
associated
clinical
symptoms,
however,
clinicians
should
alerted
presence.
Among
modalities
[18F]FDG
PET/CT
shown
satisfying
efficiency
in
response
assessment
monitoring
ICIs'
treatment,
especially
patients
suffering
from
metastatic
melanoma
lung
cancer.
this
context,
also
a
valuable
method
surveillance
during
immunotherapy.
This
article
aims
review
most
common
observed
under
immunotherapy
summarize
potential
results
linking
PET
ICIs.
Journal of Clinical Medicine,
Год журнала:
2023,
Номер
12(10), С. 3498 - 3498
Опубликована: Май 16, 2023
Immune
checkpoint
inhibitors
are
currently
the
standard
of
care
for
many
advanced
solid
tumors,
and
they
have
been
recently
approved
treatment
relapsed/refractory
Hodgkin
lymphoma
primary
mediastinal
B
cell
lymphoma.
Assessments
response
to
immunotherapy
may
be
complicated
by
occurrence
flare/pseudoprogression
phenomenon,
consisting
initial
tumor
enlargement
even
appearance
new
lesions,
followed
a
response,
which
initially
indistinguishable
from
true
progression.
There
efforts
characterize
capture
patterns
observed
during
immunotherapy,
namely,
pseudoprogression
delayed
several
immune-related
criteria
proposed.
Confirming
progression
on
subsequent
scan
measuring
total
burden
both
common
in
criteria.
Due
peculiarity
hematologic
malignancies,
lymphoma-specific
developed
(LYRIC),
evaluated
research
studies
comparison
Lugano
Classification.
In
this
review
work,
we
illustrate
evolution
lymphomas
first
CT-based
development
PET-based
Classification,
further
refined
take
into
account
flare
phenomenon
encountered
immunotherapy.
We
also
describe
additional
contribution
PET-derived
volumetric
parameters
interpretation
responses
Cancer Biotherapy and Radiopharmaceuticals,
Год журнала:
2023,
Номер
38(4), С. 211 - 215
Опубликована: Фев. 2, 2023
In
the
past
decade,
implementation
of
immunotherapy
with
checkpoint
inhibitors
has
determined
a
major
change
in
management
oncological
patients.
The
challenges
associated
to
new
therapeutic
regimen
have
promoted
adapted
criteria
for
response
assessment
interpret
imaging
findings
and
atypical
patterns
response.
Parallel
morphological
criteria,
also
18fluoro-deoxyglucose
positron
emission/computed
tomography
required
novel
approaches
specific
guidelines
on
how
perform,
interpret,
report
scan
patients
solid
tumors
under
immune
therapy.
A
summary
novelties
related
joint
international
European
Association
Nuclear
Medicine
(EANM)/Society
Molecular
Imaging
(SNMMI)/Australian
New
Zealand
Society
(ANZSNM)
is
provided
herein
elucidate
most
critical
aspects
image
interpretation.
Journal for ImmunoTherapy of Cancer,
Год журнала:
2022,
Номер
10(11), С. e005092 - e005092
Опубликована: Ноя. 1, 2022
Twenty
years
after
its
initial
introduction,
Response
Evaluation
Criteria
in
Solid
Tumors
(RECIST)
remains
today
a
unique
standardized
tool
allowing
uniform
objective
evaluation
of
response
solid
tumors
clinical
trials
across
different
treatment
indications.
Several
attempts
have
been
made
to
update
or
replace
RECIST,
but
none
realized
the
general
traction
uptake
seen
with
RECIST.
This
communication
provides
an
overview
some
challenges
faced
by
RECIST
rapidly
changing
oncology
landscape,
including
incorporation
PET
18
F-fluorodeoxyglucose
tracer
as
for
assessment
and
validation
criteria
use
involving
immunotherapeutics.
The
latter
has
mainly
slow
due
lack
data
sharing.
Work
is
ongoing
try
address
this.We
also
aim
share
our
view
statistician
representatives
on
Working
Group
what
would
be
needed
validate
new
imaging
endpoints
trial
use,
specific
focus
Whether
this
could
lead
altogether,
depends
changes
being
proposed.
ultimate
goal
well
defined,
repeatable,
confirmable
standard
provided
today.
European Journal of Nuclear Medicine and Molecular Imaging,
Год журнала:
2023,
Номер
50(9), С. 2715 - 2726
Опубликована: Май 4, 2023
Immune
checkpoint
inhibitors
(ICIs)
are
widely
used
in
metastatic
melanoma
and
dramatically
alter
the
treatment
of
these
patients.
Given
high
cost
potential
toxicity,
a
reliable
method
for
evaluating
response
is
needed.
In
this
study,
we
assessed
tumor
patients
with
treated
ICIs
using
three
modified
criteria:
PET
Response
Evaluation
Criteria
Immunotherapy
(PERCIMT),
Solid
Tumors
up
to
Five
Lesions
(PERCIST5),
immunotherapy-modified
(imPERCIST5).Ninety-one
non-resectable
stage
IV
who
received
were
retrospectively
enrolled
study.
Each
patient
had
two
[18F]FDG
PET/CT
scans
performed
before
after
ICI
therapy.
Responses
at
follow-up
scan
evaluated
according
PERCIMT,
PERCIST5,
imPERCIST5
criteria.
Patients
classified
into
four
groups:
complete
metabolic
(CMR),
partial
(PMR),
progressive
disease
(PMD),
stable
(SMD).
To
assess
"disease
control
rate,"
groups
have
been
defined
based
on
each
criterion:
CMR,
PMR,
SMD
as
"disease-controlled
group
(i.e.,
responders)"
PMD
"uncontrolled-disease
non-responders)".
The
correspondence
between
by
criteria
clinical
outcome
was
compared.The
rates
40.7%
71.4%,
41.8%
50.5%,
54.9%
74.7%
criteria,
respectively.
PERCIMT
showed
significantly
different
from
that
PERCIST5
(P
<
0.001),
whereas
it
not
significant
imPERCIST5.
Overall
survival
longer
responder
than
non-responder
(PERCIMT:
2.48
versus
1.47
years,
P
=
0.003;
PERCIST5:
2.57
1.81
years.
0.017).
However,
criterion,
difference
observed
0.12).Although
appearance
new
lesions
can
be
secondary
an
inflammatory
indicative
pseudoprogression,
given
higher
rate
true
progression,
should
interpreted
deliberately.
Of
appear
provide
more
assessment
correlates
strongly
overall
survival.
Biomedicine & Pharmacotherapy,
Год журнала:
2024,
Номер
180, С. 117617 - 117617
Опубликована: Окт. 31, 2024
F-interleukin-2
based
PET
imaging
of
activated
T
cells
serves
as
a
potential
tool
for
non-invasive
response
prediction,
treatment
evaluation,
and
patient
stratification
in
cancer
immune
checkpoint
therapy.
Herein,
we
report
the
radiolabelling
interleukin-2
(IL-2)
with
novel
arginine
selective
bioconjugation
reagent,
4-[