Molecules,
Journal Year:
2024,
Volume and Issue:
29(22), P. 5334 - 5334
Published: Nov. 13, 2024
Neoplastic
cells
are
characterized
by
uncontrolled
cell
divisions
caused
cycle
dysregulation.
Key
regulatory
proteins
governing
the
transition
from
G1
to
S
phase
CDK4
and
CDK6
kinases,
which
controlled
D-type
cyclins.
The
CDK4/6
kinases
enable
use
of
these
as
targets
for
anticancer
therapy
because
they
prevent
growth
development
malignant
inhibiting
their
activity.
This
paper
surveys
clinical
trial
results
concerning
palbociclib,
first
in-class
FDA-approved
drug
hormone-dependent
breast
cancer.
It
discusses
therapeutic
applications
in
cancer
well
solid
tumors
hematopoietic
malignancies.
Additionally,
presents
an
analysis
palbociclib
resistance
acquired
during
explores
new
approaches,
such
modifications
that
enhance
its
desired
activity
or
open
up
possibilities
(PROTACs).
ESMO Open,
Journal Year:
2025,
Volume and Issue:
10(1), P. 104103 - 104103
Published: Jan. 1, 2025
Randomized
controlled
trials
have
shown
inconsistent
overall
survival
(OS)
benefit
among
the
three
cyclin-dependent
kinase
4/6
inhibitors
(CDK4/6i)
as
first-line
(1L)
treatment
of
patients
with
hormone
receptor-positive
(HR+)/human
epidermal
growth
factor
receptor
2-negative
(HER2-)
metastatic
breast
cancer
(mBC).
Several
real-world
studies
compared
CDK4/6i
effectiveness,
findings.
This
study
HR+/HER2-
mBC
receiving
1L
palbociclib,
ribociclib,
or
abemaciclib,
in
combination
an
aromatase
inhibitor
(AI),
US
clinical
practice.
Current Oncology,
Journal Year:
2025,
Volume and Issue:
32(1), P. 52 - 52
Published: Jan. 20, 2025
Introduction:
CDK4/6
inhibitors
in
combination
with
aromatase
(AIs)
are
the
standard
first-line
treatment
for
hormone
receptor-positive
(HR+),
HER2-negative
(HER2−)
metastatic
breast
cancer.
Landmark
trials
have
demonstrated
a
comparable
progression-free
survival
(PFS)
across
inhibitors,
but
overall
(OS)
outcomes
varied.
This
study
aimed
to
evaluate
real-world
PFS
and
OS
palbociclib
ribociclib
when
combined
AIs
patients
HR+/HER2−
advanced
Materials
Methods:
was
retrospective
chart
review
of
adult
cancer
treated
at
single
academic
center
between
1
January
2015
December
2022.
The
baseline
demographics,
clinical
characteristics,
details
were
extracted.
A
Kaplan–Meier
analysis
used
estimate
OS,
differences
groups
assessed
using
log-rank
test.
Cox
proportional
hazards
models
constructed
adjust
confounding
factors.
Results:
Seventy-five
included
final
analysis.
cohort
predominantly
female
(98.7%)
postmenopausal
(77.3%),
52.0%
having
de
novo
stage
IV
disease.
Palbociclib
prescribed
74.7%
patients,
25.3%.
receiving
significantly
younger
(57.6
vs.
67.5
years,
p
=
0.013)
more
likely
be
premenopausal
(42.1%
5.4%,
<
0.001).
median
20.3
months
(95%
CI:
14.8–46)
37.2
20.3–not
reached
[NR]),
respectively.
For
ribociclib,
not
reached.
adjusting
age
menopausal
status
found
no
significant
(HR
0.92,
0.86)
or
0.95,
0.92).
Conclusion:
In
this
analysis,
consistent
results
from
landmark
trials,
although
observed
shorter.
ribociclib-treated
had
numerically
longer
compared
those
palbociclib,
statistically
significant.
discontinuation
rates
similar
two
groups.
Cancers,
Journal Year:
2025,
Volume and Issue:
17(3), P. 424 - 424
Published: Jan. 27, 2025
Purpose:
CDK4/6
inhibitors
require
meticulous
monitoring
due
to
their
potential
cause
hematological
toxicities
and
hepatotoxicity.
This
study
evaluates
the
safety
of
combining
with
palliative
radiotherapy
in
patients
metastatic
hormone
receptor-positive
HER2-negative
breast
cancer.
Patients
Methods:
included
188
treated
between
January
2021
June
2024.
Data
on
patient
demographics,
tumor
characteristics,
treatment
interventions
were
extracted
from
medical
records.
The
primary
focus
was
incidence
grade
≥
3
hematologic
hepatotoxicity,
assessed
according
CTCAE
5.0
criteria,
those
receiving
concurrent
radiotherapy.
Results:
With
a
median
follow-up
18.5
months,
18-month
PFS
OS
rates
67%
85%,
respectively.
age
57.5
years,
79%
post-menopausal.
Bone
liver
metastases
present
66%
23%
patients,
Concurrent
administered
25%
cohort.
toxicity
comparable
who
received
did
not.
Ribociclib
use
associated
lower
(OR:
0.37),
neutropenia
0.41),
dose
interruptions
0.30),
reductions
0.37).
Pre-menopausal
status
linked
fewer
0.17).
Rates
interruption,
reduction,
withdrawal
55%,
24%,
2%,
Conclusions:
does
not
increase
adverse
events
Journal of Personalized Medicine,
Journal Year:
2024,
Volume and Issue:
14(9), P. 895 - 895
Published: Aug. 23, 2024
Background:
There
are
limited
real-world
data
(RWD)
regarding
the
use
of
cyclin-dependent
kinase
(CDK)
4/6
inhibitors
in
western
Balkan.
The
aim
our
study
was
thus
to
analyze
factors
influencing
progression-free
survival
(PFS)
and
overall
(OS),
along
with
differences
adverse
effects
CDK
therapy
a
tertiary
healthcare
center
Croatia.
Methods:
We
evaluated
medical
demographic
for
163
consecutive
patients
metastatic
breast
cancer
treated
CDK4/6
at
least
one
month,
from
October
2018,
after
drug
became
available
Eligible
were
those
who
palbociclib,
ribociclib,
or
abemaciclib.
Results:
median
PFS
treatment
2.2
years
(95%
CI
1.8–3.3),
longest
ongoing
5.4
years.
Treatment
first
line
associated
longer
compared
second
beyond
(HR
0.50,
95%
0.3–0.9),
without
liver
metastasis
exhibited
0.46,
0.2–0.8)
(both
p
<
0.05).
Regarding
choice
inhibitors,
ribociclib
palbociclib
0.49,
0.29–0.82)
(p
=
0.0032),
although
effect
not
statistically
significant
when
separating
first-line
0.59,
0.29–1.2),
second-
later-line
(0.49,
0.15–1.55);
trend
present
both
lines,
however.
presence
0.04),
initial
luminal
A
grade
0.039),
time
up
5
0.002)
only
that
remained
multivariate
analysis.
Median
OS
since
diagnosis
disease
4.5
3.9–6.3),
start
3.7
3.4–4.4),
while
15.8
13.8–18.3).
no
difference
based
on
inhibitor
0.44)
adjuvant
hormonal
0.12),
nonsignificant
better
regardless
whether
it
first-
second/later-line
therapies
>
In
analysis,
0.0003)
under
primary
0.03)
worse
OS.
Conclusions:
Our
provides
RWD
HR+/HER2−
cancer.
To
best
knowledge,
there
Balkan;
thus,
valuable
everyday
clinical
practice
this
region
Europe,
bridging
gap
between
randomized
trials
reality
Current Medical Research and Opinion,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 15
Published: Sept. 21, 2024
Cyclin-dependent
kinase
4/6
(CDK
4/6)
inhibitors
have
emerged
as
a
significant
advancement
in
the
treatment
of
HR+/HER2-
metastatic
breast
cancer
(MBC).
Despite
clinical
efficacy
CDK
cancer,
there
remains
gap
understanding
their
cost-effectiveness,
particularly
regarding
long-term
economic
impact
and
key
drivers
costs,
when
used
combination
with
endocrine
therapy.
This
study
aims
to
systematically
review
conduct
meta-analysis
cost-effectiveness
studies
evaluating
CDK4/6
advanced
identify
costs
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 5, 2024
Cyclin-dependent
kinase
(CDK)
4
and
6
inhibitors
(abemaciclib,
palbociclib
ribociclib)
have
been
recommended
in
the
first-line
treatment
of
hormone
receptor-positive
(HR+)
breast
cancer
China.
Our
study
aims
to
evaluate
efficacy
safety
CDK4/6
by
processing
survival
data
using
fractional
polynomial
modeling
methods.