Cureus,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 4, 2023
A
39-year-old
Japanese
male
patient
presented
with
a
chief
complaint
of
gross
hematuria
persistent
for
two
months.
However,
no
relevant
findings
in
the
patient’s
medical
and
family
history
were
observed.
He
was
diagnosed
muscle-invasive
bladder
cancer,
clinical
stage
T2bN0M0.
After
four
courses
neoadjuvant
chemotherapy
gemcitabine
cisplatin,
tumor
size
reduced
by
approximately
30%.
The
underwent
robot-assisted
radical
cystectomy
standard
lymph
node
dissection
followed
intracorporeal
ileal
conduit
reconstruction.
Histologically,
as
high-grade
urothelial
carcinoma
invading
fatty
tissue
surrounding
metastasizing
to
nodes,
pathological
ypT3aypN2M0.
Four
months
after
surgery,
multiple
metastases
detected,
treatment
pembrolizumab
initiated
immediately.
did
not
respond
pembrolizumab.
Therefore,
third-line
enfortumab
vedotin
(EV)
initiated.
Thereafter,
metastatic
lesion
shrank
quickly,
lesions
almost
disappeared
EV
administration.
Although
new
observed
at
other
sites,
there
has
been
regrowth
date.
EV-related
adverse
events
during
follow-up.
Eighteen
remains
alive
metastases.
sequence
should
be
considered
maximize
therapeutic
effect
EV,
and,
consequently,
administering
early
possible
may
important.
Journal of Clinical Oncology,
Journal Year:
2024,
Volume and Issue:
42(20), P. 2446 - 2455
Published: April 24, 2024
PURPOSE
The
anti-NECTIN4
antibody-drug
conjugate
enfortumab
vedotin
(EV)
is
approved
for
patients
with
metastatic
urothelial
cancer
(mUC).
However,
durable
benefit
only
achieved
in
a
small,
yet
uncharacterized
patient
subset.
NECTIN4
located
on
chromosome
1q23.3,
and
1q23.3
gains
represent
frequent
copy
number
variations
(CNVs)
cancer.
Here,
we
aimed
to
evaluate
amplifications
as
genomic
biomarker
predict
EV
response
mUC.
MATERIALS
AND
METHODS
We
established
NECTIN4-specific
fluorescence
situ
hybridization
(FISH)
assay
assess
the
predictive
value
of
CNVs
multicenter
EV-treated
mUC
cohort
(mUC-EV,
n
=
108).
were
correlated
membranous
protein
expression,
treatment
responses,
outcomes.
also
assessed
prognostic
measured
biopsies
non–EV-treated
(mUC-non-EV,
103).
Furthermore,
queried
Cancer
Genome
Atlas
(TCGA)
data
sets
(10,712
across
32
types)
CNVs.
RESULTS
are
events
muscle-invasive
bladder
(TCGA
set:
approximately
17%)
(approximately
26%
our
cohorts).
In
mUC-EV,
amplification
represents
stable
alteration
during
progression
associates
enhanced
expression.
Ninety-six
percent
(27
28)
demonstrated
objective
responses
compared
32%
(24
74)
nonamplified
subgroup
(
P
<
.001).
multivariable
Cox
analysis
adjusted
age,
sex,
Bellmunt
risk
factors,
led
92%
reduction
death
(hazard
ratio,
0.08
[95%
CI,
0.02
0.34];
mUC-non-EV,
not
associated
TCGA
Pan-Cancer
that
occur
frequently
other
cancers,
example,
5%-10%
breast
lung
cancers.
CONCLUSION
predictors
long-term
survival
Japanese Journal of Clinical Oncology,
Journal Year:
2023,
Volume and Issue:
54(3), P. 329 - 338
Published: Nov. 20, 2023
Real-world
evidence
regarding
enfortumab
vedotin
for
unresectable
or
metastatic
urothelial
carcinoma
is
scarce,
particularly
in
Japan.
We
investigated
real-world
data
focusing
on
patient
background,
previous
treatments,
response,
survival
and
adverse
events
patients
receiving
vedotin.
International Journal of Urology,
Journal Year:
2024,
Volume and Issue:
31(6), P. 678 - 684
Published: Feb. 25, 2024
Objective
In
December
2021,
enfortumab
vedotin
(EV),
an
antibody‐drug
conjugate
directed
against
nectin‐4,
was
approved
in
Japan
as
a
new
treatment
after
platinum‐containing
chemotherapy
and
PD‐1/PD‐L1
inhibitors.
This
study
evaluated,
using
real‐world
data,
the
efficacy
safety
of
EV
therapy
patients
with
metastatic
urothelial
carcinoma
(mUC).
Materials
methods
Fifty‐five
mUC
who
discontinued
pembrolizumab
due
to
disease
progression
between
June
2018
April
2023
at
Yokohama
City
University
Hospital
were
evaluated
retrospectively.
Of
55
patients,
25
received
(EV
group)
30
did
not
(non‐EV
group).
All
underwent
diagnosed
approval
Japan.
Results
The
median
(range)
follow‐up
period
discontinuation
6.3
(0.7–31.1)
months.
There
eight
(32.0%)
deaths
cancer
group
27
(90.0%)
non‐EV
group.
overall
survival
(OS)
reached
versus
2.6
months
(
p
<
0.001).
A
multivariate
analysis
revealed
that
vs.
group;
hazard
ratio
0.26;
95%
confidence
interval
0.16–0.41;
0.001)
independent
prognostic
factor
for
OS.
Conclusion
prolonged
OS
following
data.
Current Oncology,
Journal Year:
2024,
Volume and Issue:
31(2), P. 862 - 871
Published: Feb. 3, 2024
Subtype
of
urothelial
carcinoma
(SUC),
defined
here
as
with
any
histologic
subtype
or
divergent
differentiation,
is
a
clinically
aggressive
disease.
However,
the
efficacy
enfortumab
vedotin
(EV)
against
SUC
remains
unclear.
Hence,
this
study
aimed
to
assess
oncological
outcomes
patients
treated
EV
for
metastatic
We
retrospectively
evaluated
consecutive
advanced
lower
and
upper
urinary
tract
cancer
who
received
after
platinum-based
chemotherapy
immune
checkpoint
blockade
therapy
at
six
institutions.
The
objective
response
rate
(ORR),
progression-free
survival
(PFS),
overall
(OS)
were
compared
between
pure
(PUC)
those
SUC.
identified
44
18
PUC
SUC,
respectively.
Squamous
differentiation
was
most
common
element,
followed
by
glandular
sarcomatoid
subtype.
Although
had
comparable
ORR
PUC,
duration
short.
Patients
poorer
PFS
than
PUC;
however,
no
significant
difference
observed
in
OS.
Multivariate
analysis
revealed
that
significantly
associated
shorter
PFS.
similar
showed
faster
progression
PUC.
Frontiers in Oncology,
Journal Year:
2024,
Volume and Issue:
14
Published: June 12, 2024
Enfortumab
vedotin
(EV)
is
an
antibody
drug
conjugate
approved
for
advanced
urothelial
cancer,
consisting
of
a
monomethyl
auristatin
E
payload
linked
to
human
monoclonal
targeting
nectin-4.
No
validated
biomarker
predictive
or
correlated
with
response
exists
EV.
Cutaneous
toxicity
among
the
most
common
EV-related
toxicities
and
typically
emerges
in
early
cycles.
This
retrospective
experience
patients
cancer
treated
EV
monotherapy
evaluated
whether
cutaneous
improved
outcomes
including
progression-free
(PFS)
overall
(OS)
survival
rate
(ORR).
International Journal of Urology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
Objective
This
study
evaluated
whether
first‐line
treatment
affects
survival
outcomes
in
patients
with
advanced
urothelial
carcinoma
undergoing
sequential
therapy
chemotherapy,
immune
checkpoint
inhibitors,
and
enfortumab
vedotin.
Methods
multicenter
retrospective
included
57
treated
at
Hiroshima
University
Hospital
its
affiliated
institutions
between
2009
2024.
Patients
received
chemotherapy
as
a
(gemcitabine
plus
cisplatin
or
carboplatin),
followed
by
second‐line
inhibitors
(pembrolizumab
avelumab)
third‐line
Assessed
overall
time
to
failure.
Cox
regression
analysis
identified
prognostic
factors
for
survival.
Results
Over
median
follow‐up
of
20.5
months,
was
not
reached
after
treatment.
Gemcitabine
selected
31.6%
cases,
while
gemcitabine
carboplatin
chosen
68.4%
cases
the
treatment;
subsequently,
66.7%
pembrolizumab,
33.3%
avelumab
who
achieved
complete
partial
response
had
significantly
longer
survivals
from
both
vedotin
initiation
than
those
stable
progressive
disease.
In
that
responses,
more
frequently
therapy.
However,
treatment,
multivariate
only
disease
significant
predictor
worse
Conclusion
The
best
predicted
following
underscoring
value
carcinoma.
International Journal of Urology,
Journal Year:
2023,
Volume and Issue:
31(4), P. 342 - 347
Published: Dec. 19, 2023
Objectives
To
explore
the
characteristics
of
patients
and
assess
effectiveness
enfortumab
vedotin
(EV)
in
those
with
treatment‐resistant
advanced
urothelial
cancer
a
real‐world
setting.
Patients
Methods
A
multicenter
observational
study
was
conducted
on
103
evaluable
who
received
EV.
Outcomes
were
assessed
by
radiographic
response,
progression‐free
survival
(PFS),
overall
(OS),
treatment‐related
adverse
events
(trAEs).
Radiographic
response
using
Response
Evaluation
Criteria
Solid
Tumors
version
1.1,
while
trAEs
studied
line
Common
Terminology
for
Adverse
Events
5.0.
Results
The
median
follow‐up
8.9
months
(range,
0.1–16.4).
observed
objective
rate
50.5%.
PFS
6.0
(95%
CI:
4.7–9.8),
OS
14.5
12.4–not
reached).
Out
patients,
19
(18.4%)
had
an
Eastern
Cooperative
Oncology
Group
performance
status
2
or
more,
14
(14.7%)
non‐urothelial
carcinoma
histology,
40
(38.3%)
at
least
one
pre‐existing
comorbidity.
There
26
(25.2%)
reported
49
trAEs,
9
(18.3%)
being
grade
3
higher.
most
common
included
rash,
occurring
18.4%.
Conclusions
This
describes
outcomes
previously
treated
receiving
findings
demonstrate
that
EV
showed
robust
anti‐tumor
activity
manageable
safety
profiles
outside
clinical
trial
Japanese Journal of Clinical Oncology,
Journal Year:
2024,
Volume and Issue:
54(11), P. 1194 - 1200
Published: June 14, 2024
Abstract
Background
Enfortumab
vedotin
(EV)
was
approved
for
patients
with
metastatic
urothelial
carcinoma
(mUC)
who
progressed
after
anticancer
therapy
on
September
2021
in
Japan.
The
association
between
the
occurrence
of
EV-related
side
effects
and
clinical
outcome
remains
to
be
elucidated.
Methods
We
identified
97
mUC
treated
EV
at
our
five
institutions
from
date
approval
March
2023.
median
follow-up
period
7.0
months.
retrospectively
analyzed
efficacy
safety
EV.
Results
age
71
years
old,
39%
had
PS
1
or
more,
56.7%
primary
tumor
upper
urinary
tract.
Overall
response
rate
(ORR)
therapy,
progression-free
survival
(PFS),
overall
(OS)
were
43.3%,
7.52
months,
12.78
respectively.
Any
grade
treatment-related
skin
disorder,
dysgeusia,
peripheral
neuropathy,
gastrointestinal
hyperglycemia
occurred
61
(62.9%),
36
(37.1%),
34
(35.1%),
29
(29.9%),
18
(18.6%)
patients,
EV-associated
neuropathy
significantly
higher
ORR
(58.8%
vs.
34.9%,
P
=
.032)
longer
PFS
(8.05
6.31
.017)
OS
(not
reached
11.57
.008,
respectively)
than
those
without.
treatment
presence
peritoneal
dissemination
factors
independently
associated
(hazard
ratio
0.46,
.008
hazard
raito
3.83,
.004,
0.30,
.005
4.53,
.002,
respectively).
Conclusions
might
patients.