Molecular Cancer,
Journal Year:
2023,
Volume and Issue:
22(1)
Published: Aug. 18, 2023
Abstract
The
PI3K/AKT/mTOR
(PAM)
signaling
pathway
is
a
highly
conserved
signal
transduction
network
in
eukaryotic
cells
that
promotes
cell
survival,
growth,
and
cycle
progression.
Growth
factor
signalling
to
transcription
factors
the
PAM
axis
regulated
by
multiple
cross-interactions
with
several
other
pathways,
dysregulation
of
can
predispose
cancer
development.
most
frequently
activated
human
often
implicated
resistance
anticancer
therapies.
Dysfunction
components
this
such
as
hyperactivity
PI3K,
loss
function
PTEN,
gain-of-function
AKT,
are
notorious
drivers
treatment
disease
progression
cancer.
In
review
we
highlight
major
dysregulations
cancer,
discuss
results
AKT
mTOR
inhibitors
monotherapy
co-administation
antineoplastic
agents
clinical
trials
strategy
for
overcoming
resistance.
Finally,
mechanisms
targeted
therapies,
including
immunology
immunotherapies
also
discussed.
Annals of Oncology,
Journal Year:
2024,
Volume and Issue:
35(7), P. 588 - 606
Published: May 27, 2024
Advancements
in
the
field
of
precision
medicine
have
prompted
European
Society
for
Medical
Oncology
(ESMO)
Precision
Medicine
Working
Group
to
update
recommendations
use
tumour
next-generation
sequencing
(NGS)
patients
with
advanced
cancers
routine
practice.
Annals of Oncology,
Journal Year:
2024,
Volume and Issue:
35(8), P. 718 - 727
Published: May 8, 2024
Highlights•This
phase
III
trial
evaluated
abemaciclib
+
NSAI
versus
placebo
as
initial
therapy
for
HR+,
HER2−
ABC.•Addition
of
to
an
resulted
in
numerically
longer
OS;
however,
statistical
significance
was
not
reached.•Absolute
improvement
median
OS
clinically
meaningful
(ITT:
13.1
months;
sVD:
14.9
months).•The
previously
demonstrated
PFS
benefit
with
the
addition
sustained
(median
14.3
delayed
subsequent
receipt
chemotherapy
16.1
months).AbstractBackgroundIn
MONARCH
2,
fulvestrant
significantly
improved
both
progression-free
survival
(PFS)
and
overall
(OS)
patients
hormone
receptor-positive
(HR+),
human
epidermal
growth
factor
receptor
2-negative
(HER2−)
advanced
breast
cancer
(ABC)
disease
progression
on
prior
endocrine
therapy.
In
3,
a
nonsteroidal
aromatase
inhibitor
(NSAI)
ABC
PFS.
Here,
we
present
prespecified
final
results
3.Patients
methodsMONARCH
3
is
randomized,
double-blind,
study
plus
(anastrozole
or
letrozole)
postmenopausal
women
without
systemic
setting.
The
primary
objective
investigator-assessed
PFS;
gated
secondary
endpoint,
chemotherapy-free
exploratory
endpoint.ResultsA
total
493
were
randomized
2
:
1
receive
(n
=
328)
165).
After
follow-up
8.1
years,
there
198
events
(60.4%)
arm
116
(70.3%)
(hazard
ratio,
0.804;
95%
confidence
interval
0.637-1.015;
P
0.0664,
non-significant).
Median
66.8
53.7
months
placebo.
subgroup
visceral
disease,
113
(65.3%)
65
(72.2%)
0.758;
0.558-1.030;
0.0757,
63.7
48.8
sustained,
abemaciclib.
No
new
safety
signals
observed.ConclusionsAbemaciclib
combined
(intent-to-treat
population:
disease:
months)
HR+
ABC;
reached.
New England Journal of Medicine,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 14, 2024
Outcomes
in
patients
with
hormone
receptor-positive
metastatic
breast
cancer
worsen
after
one
or
more
lines
of
endocrine-based
therapy.
Trastuzumab
deruxtecan
has
shown
efficacy
low
expression
human
epidermal
growth
factor
receptor
2
(HER2)
previous
chemotherapy.
New England Journal of Medicine,
Journal Year:
2024,
Volume and Issue:
391(17), P. 1584 - 1596
Published: Oct. 30, 2024
BackgroundInavolisib
is
a
highly
potent
and
selective
inhibitor
of
the
alpha
isoform
p110
catalytic
subunit
phosphatidylinositol
3-kinase
complex
(encoded
by
PIK3CA)
that
also
promotes
degradation
mutated
p110α.
Inavolisib
plus
palbociclib–fulvestrant
has
shown
synergistic
activity
in
preclinical
models
promising
antitumor
early-phase
trials.MethodsIn
phase
3,
double-blind,
randomized
trial,
we
compared
first-line
inavolisib
(at
an
oral
dose
9
mg
once
daily)
(inavolisib
group)
with
placebo
(placebo
patients
PIK3CA-mutated,
hormone
receptor–positive,
human
epidermal
growth
factor
receptor
2
(HER2)–negative
locally
advanced
or
metastatic
breast
cancer
who
had
relapse
during
within
12
months
after
completion
adjuvant
endocrine
therapy.
The
primary
end
point
was
progression-free
survival
as
assessed
investigator.Download
PDF
Plain
Language
Summary.ResultsA
total
161
were
assigned
to
group
164
group;
median
follow-up
21.3
21.5
months,
respectively.
15.0
(95%
confidence
interval
[CI],
11.3
20.5)
7.3
CI,
5.6
9.3)
(hazard
ratio
for
disease
progression
death,
0.43;
95%
0.32
0.59;
P<0.001).
An
objective
response
occurred
58.4%
25.0%
those
group.
incidence
grade
3
4
neutropenia
80.2%
78.4%
hyperglycemia,
5.6%
0%,
respectively;
stomatitis
mucosal
inflammation,
0%;
diarrhea,
3.7%
0%.
No
rash
observed.
Discontinuation
any
trial
agent
because
adverse
events
6.8%
0.6%
group.ConclusionsIn
HER2-negative
cancer,
led
significantly
longer
than
palbociclib–fulvestrant,
greater
toxic
effects.
percentage
discontinued
low.
(Funded
F.
Hoffmann–La
Roche;
INAVO120
ClinicalTrials.gov
number,
NCT04191499.)
Quick
Take
Addition
PI3Kα
Inhibition
Breast
Cancer
2m
23s
The Breast,
Journal Year:
2024,
Volume and Issue:
76, P. 103756 - 103756
Published: May 28, 2024
This
manuscript
describes
the
Advanced
Breast
Cancer
(ABC)
international
consensus
guidelines
updated
at
last
two
ABC
conferences
(ABC
6
in
2021,
virtual,
and
7
2023,
Lisbon,
Portugal),
organized
by
Global
Alliance.
It
provides
main
recommendations
on
how
to
best
manage
patients
with
advanced
breast
cancer
(inoperable
locally
or
metastatic),
of
all
subtypes,
as
well
palliative
supportive
care.
These
are
based
available
evidence
expert
opinion
when
a
higher
level
is
lacking.
Each
guideline
accompanied
(LoE),
grade
recommendation
(GoR)
percentage
reached
conferences.
Updated
diagnostic
treatment
algorithms
also
provided.
The
represent
management
options
for
living
globally,
assuming
accessibility
therapies.
Their
adaptation
(i.e.
resource-stratified
guidelines)
often
needed
settings
where
access
care
limited.