British Journal of Cancer,
Journal Year:
2023,
Volume and Issue:
129(5), P. 852 - 860
Published: July 19, 2023
The
Ibrance®
Patient
Program
was
established
to
provide
access
palbociclib
for
UK
National
Health
Service
(NHS)
patients
with
metastatic
breast
cancer
(MBC),
pending
a
funding
decision.Non-interventional
cohort
study
involving
retrospective
medical
record
review
of
commenced
on
between
April
and
December
2017
at
eight
centres.
Primary
outcomes
included
clinicopathological
characteristics,
treatment
patterns,
clinical
selected
adverse
events.Overall,
191
were
identified,
median
age
57.0
years
(range
24.3-90.9);
30%
diagnosed
de
novo
MBC;
72%
received
first-line
10%
as
≥
second-line
treatment.
Median
progression-free
survival
(95%
CI)
22.8
months
(16.5-not
reached
[NR])
in
first-line;
NR
7.8
(6.8-NR)
(median
follow-up:
24
months).
overall
(OS)
the
cohort;
OS
rate
74.2%
(67.1-81.9%)
82.1%
(72.6-92.8%)
55.0%
(37.0-81.8%)
second-line.
Forty-seven
per
cent
developed
grade
3-4
neutropenia;
3%
febrile
neutropenia.This
supports
effectiveness
demonstrates
benefit
early
schemes
that
bridge
gap
regulatory
approval
NHS
new
medicines.Clinical
trial:
ClinicalTrial.gov:NCT03921866.
Journal of Cancer Research and Clinical Oncology,
Journal Year:
2024,
Volume and Issue:
150(1)
Published: Jan. 1, 2024
The
use
of
Cyclin-Dependent
kinase
4
and
6
(CDK4/6)
inhibitors
has
profoundly
changed
the
challenge
endocrine
therapy
(ET)
resistance
in
hormone
receptor-positive
(HR+)/HER2-negative
(HER2-)
breast
cancer.
However,
there
is
currently
no
comprehensive
evaluation
evidence
for
efficacy
CDK4/6
inhibitors.
We
conducted
an
umbrella
review
to
explore
impact
inhibitor
combined
with
ET
on
cancer
by
summarizing
assessing
meta-analysis
(MA)
systematic
(SR)
evidence.
Journal of Personalized Medicine,
Journal Year:
2024,
Volume and Issue:
14(5), P. 464 - 464
Published: April 27, 2024
Background:
Cyclin-dependent
kinase
4/6
(CDK4/6)
inhibitors
are
approved
for
advanced
breast
cancer
combined
with
endocrine
therapy
(ET).
The
efficacy
of
CDK4/6
plus
ET
in
hormone
estrogen-positive,
human
epidermal
growth
factor
2-negative
(HR+/HER2−)
early-stage
(esBC)
is
still
to
be
confirmed.
Methods:
We
performed
a
systematic
review
and
meta-analysis
investigate
the
CDK4/6i
esBC.
Main
outcomes
included
invasive
disease-free
survival
(iDFS),
distant
relapse-free
(DRFS),
overall
(OS).
only
phase
III
randomized
controlled
trials.
used
RStudio
version
4.2.3,
we
considered
p
<
0.05
statistically
significant.
Results:
Four
studies
were
selected,
including
14,168
patients,
which
7089
treated
7079
received
monotherapy.
Regarding
patient
characteristics,
6828
(48.2%)
premenopausal.
Compared
alone,
iDFS
rates
(HR
0.81;
95%
CI:
0.67,
0.98;
=
0.034)
significantly
favor
ET.
However,
there
no
significant
differences
DRFS
0.79;
0.58,
1.07;
0.132)
nor
OS
0.96;
0.69,
1.35;
0.829).
Conclusions:
Our
results
show
that
addition
associated
benefit
HR+/HER2−
esBC
patients
iDFS.
More
longer
follow-up
needed
assess
benefits.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(15), P. 12030 - 12030
Published: July 27, 2023
Colorectal
cancer
(CRC)
is
a
heterogeneous
disease
with
myriad
of
alterations
at
the
cellular
and
molecular
levels.
Kristen
rat
sarcoma
(KRAS)
mutations
occur
in
up
to
40%
CRCs
serve
as
both
prognostic
predictive
biomarker.
Oncogenic
KRAS
protein
affect
proliferation
survival,
leading
tumorigenesis
through
RAS/MAPK
pathways.
Until
recently,
only
indirect
targeting
pathway
had
been
investigated.
There
are
now
several
allele-specific
inhibitors
late-phase
clinical
trials,
many
newer
agents
strategies
undergoing
preclinical
early-phase
testing.
The
adequate
treatment
KRAS-mutated
CRC
will
inevitably
involve
combination
therapies
due
existence
robust
adaptive
resistance
mechanisms
these
tumors.
In
this
article,
we
review
most
recent
understanding
findings
related
CRC,
inhibitors,
well
evolving
for
patients.
Frontiers in Oncology,
Journal Year:
2024,
Volume and Issue:
14
Published: Jan. 25, 2024
This
study
aimed
to
explore
the
efficacy
and
potential
mechanisms
of
rechallenge
therapy
with
microtubule-targeting
agents
(MTAs)
in
patients
HER2-low
metastatic
breast
cancer
(MBC).
We
performed
a
systematic
review
investigate
treatment
concept
field
MBC
utilized
series
cases
identified
literature
illustrate
concept.
Here
we
reported
two
clinical
whose
disease
progressed
after
prior
MTAs
such
as
docetaxel
vincristine.
When
rechallenged
disitamab
vedotin
((RC48-antibody-drug
conjugate
(ADC),
monomethyl
auristatin
(MMAE)
MTA)),
both
achieved
partial
response
final
progression-free
survival
(PFS)
was
13.5
9
months,
respectively.
Genomic
profiling
detected
PIK3CA
H1047R
mutation
patients.
The
were
treated
everolimus
before
being
RC48,
which
may
lead
better
response.
further
summarizes
analyzes
mechanism
PI3K-AKT
signaling
pathway
MTA
resistance
reveals
that
be
molecular
marker
for
prediction
mTOR
inhibitors,
providing
new
insights
therapeutic
strategies
application
The Breast,
Journal Year:
2024,
Volume and Issue:
75, P. 103729 - 103729
Published: April 4, 2024
Over
the
past
few
decades,
first-line
therapy
for
treating
advanced
and
metastatic
HR+/HER2-breast
cancer
has
transformed
due
to
introduction
of
adjuvant
endocrine
with
cyclin-dependent
kinase
4/6
inhibitors
(CDK
4/6i).
However,
there
is
an
unmet
need
novel
classes
superior
efficacy
improve
treatment
outcomes
overcome
CDK4/6i
resistance.
New
generation
selective
estrogen
receptor
degraders
(SERDs),
orally
administered
higher
bioavailability,
could
potentially
be
compounds
meet
this
emerging
need.
In
paper,
we
review
accredited
clinical
studies
on
combining
effects
CDK4/6
oral
SERDs,
report
data
when
available,
provide
a
framework
future
research
focusing
these
promising
agents.
International Journal of Gynecological Cancer,
Journal Year:
2024,
Volume and Issue:
34(10), P. 1630 - 1638
Published: July 1, 2024
Low-grade
serous
ovarian
cancer
was
previously
thought
to
be
a
subtype
of
high-grade
cancer,
but
it
is
now
recognized
as
distinct
disease
with
unique
clinical
and
molecular
behaviors.
The
may
arise
de
novo
or
develop
from
borderline
tumor.
Although
more
indolent
than
most
patients
have
advanced
metastatic
at
diagnosis
recurrence
common.
Recurrent
low-grade
often
resistant
standard
platinum–taxane
chemotherapy,
making
difficult
treat
the
options
currently
available.
New
targeted
therapies
are
needed,
their
development
contingent
on
deeper
understanding
specific
biology
disease.
known
drivers
tumors
strong
hormone
receptor
expression,
mutations
in
mitogen-activated
protein
kinase
(MAPK)
pathway
(KRAS,
BRAF,
NRAS),
genes
related
MAPK
(NF1/2,
EIF1AX,ERBB2).
However,
inhibitors
shown
only
modest
responses.
Based
discovery
CDKN2A
cyclin-dependent
kinases
4
6
(CDK4/6)
being
tested
trials
combination
therapy.
Additional
seen
smaller
population
include
USP9X,
ARID1A,PIK3CA,
no
targeting
them
been
clinically.
This
review
summarizes
clinical,
pathologic,
features
they
understood
introduces
potential
therapeutic
targets
new
avenues
for
research.
Journal of Chemotherapy,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 10
Published: April 2, 2025
This
retrospective
study
analyzed
the
effect
of
trastuzumab
treatment
interruption
on
overall
survival
(OS)
and
progression-free
(PFS)
within
two
years
after
diagnosis
in
women
with
HER2-positive
metastatic
breast
cancer.
Sociodemographic,
clinicopathological,
therapeutic
variables
were
collected
from
medical
records
patients
diagnosed
between
2013
2017
at
a
comprehensive
cancer
care
center
Brazil.
Survival
estimates
performed
using
Kaplan-Meier
method
log-rank
test.
The
Cox
Regression
model
was
used
to
estimate
risk
outcomes.
average
OS
20.2
months,
PFS
13.1
months.
Interruption
associated
an
increase
time
compared
continued
(22.5
months;
95%
CI:
21.8
-
23.3
vs.
17.7
15.9
19.4;
P
=
0.001).
adjusted
revealed
that
therapy
independently
2.86-fold
increased
mortality.