Acta Biomaterialia,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 1, 2025
Therapeutic
biomacromolecules
such
as
genetic
material,
antibodies,
growth
factors
and
enzymes
represent
a
novel
therapeutic
alternative
for
neurological
diseases
disorders.
In
comparison
to
traditional
therapeutics,
which
are
mainly
based
on
small
molecular
weight
drugs
that
address
the
symptoms
of
these
disorders,
can
reduce
undesired
side
effects
target
specific
pathological
pathways,
thus
paving
way
towards
personalized
medicine.
However,
undergo
degradation/denaturation
processes
in
physiological
environment
show
poor
capacity
cross
blood-brain
barrier
(BBB).
Consequently,
they
rarely
reach
central
nervous
system
(CNS)
their
active
form.
Herein,
we
critically
overview
several
polymeric
nanocarriers
protect
deliver
across
BBB.
Polymeric
first
categorized
architecture
(biodegradable
solid
nanoparticles,
nanogels,
dendrimers,
self-assembled
nanoparticles),
ultimately
determines
physico-chemical
properties
function.
The
available
formulations
then
thoroughly
analyzed,
placing
particular
attention
those
strategies
ensure
stability
during
encapsulation
process
promote
passage
BBB
by
controlling
physical
(e.g.,
mechanical
properties,
size,
surface
charge)
chemical
functional
groups,
targeting
motifs)
properties.
Accordingly,
this
review
gives
unique
perspective
delivery
BBB,
representing
concise,
complete
easy-to-follow
guide,
will
be
high
interest
chemists,
material
scientists,
pharmacologists
biologists.
Besides,
it
also
provides
critical
about
limited
clinical
translation
systems.
STATEMENT
OF
SIGNIFICANCE:
increasing
incidence
disorders
is
major
health
concern.
use
has
been
placed
spotlight
many
investigations.
reaching
concentration
levels
restricted
and,
thus,
represents
main
challenge
when
developing
efficient
therapies.
provide
discussion
into
system,
highlighting
potential
future
directions
overcome
current
challenges.
The
covalent
attachment
of
polyethylene
glycol
(PEG)
to
therapeutic
agents,
termed
PEGylation,
is
a
well-established
and
clinically
proven
drug
delivery
approach
improve
the
pharmacokinetics
pharmacodynamics
drugs.
Specifically,
PEGylation
can
parent
drug's
solubility,
extend
its
circulation
time,
reduce
immunogenicity,
with
minimal
undesirable
properties.
technology
has
been
applied
various
modalities
including
small
molecules,
aptamers,
peptides,
proteins,
leading
over
30
PEGylated
drugs
currently
used
in
clinic
many
investigational
agents
under
clinical
trials.
Here,
we
summarize
diverse
types
strategies,
key
advantages
therapeutics
their
drugs,
broad
applications
impacts
settings.
A
particular
focus
given
size,
topology,
functionalities
PEG
molecules
utilized
as
well
those
An
additional
section
dedicated
analyzing
some
representative
that
were
discontinued
at
different
stages
studies.
Finally,
critically
discuss
current
challenges
faced
development
translation
agents.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(22), P. 13983 - 13999
Published: May 20, 2024
In
recent
years,
steady
progress
has
been
made
in
synthesizing
and
characterizing
engineered
nanoparticles,
resulting
several
approved
drugs
multiple
promising
candidates
clinical
trials.
Regulatory
agencies
such
as
the
Food
Drug
Administration
European
Medicines
Agency
released
important
guidance
documents
facilitating
nanoparticle-based
drug
product
development,
particularly
context
of
liposomes
lipid-based
carriers.
Even
with
achieved,
it
is
clear
that
many
barriers
must
still
be
overcome
to
accelerate
translation
into
clinic.
At
conference
workshop
"Mechanisms
Barriers
Nanomedicine"
May
2023
Colorado,
U.S.A.,
leading
experts
discussed
formulation,
physiological,
immunological,
regulatory,
clinical,
educational
barriers.
This
position
paper
invites
open,
unrestricted,
nonproprietary
discussion
among
senior
faculty,
young
investigators,
students
trigger
ideas
concepts
move
field
forward.
Bioactive Materials,
Journal Year:
2024,
Volume and Issue:
37, P. 86 - 93
Published: March 16, 2024
Since
the
approval
of
lipid
nanoparticles
(LNP)-mRNA
vaccines
against
SARS-CoV-2
virus,
there
has
been
an
increased
interest
in
delivery
mRNA
through
LNPs.
However,
current
LNP
formulations
contain
PEG
lipids,
which
can
stimulate
generation
anti-PEG
antibodies.
The
presence
these
antibodies
potentially
cause
adverse
reactions
and
reduce
therapeutic
efficacy
after
administration.
Given
widespread
deployment
COVID-19
vaccines,
exposure
to
may
necessitate
evaluation
alternative
without
components.
In
this
study,
we
investigated
a
series
polysarcosine
(pSar)
lipids
as
alternatives
determine
whether
pSar
could
still
provide
functionality
ALC-0315
SM-102
systems.
We
found
that
complete
replacement
with
increase
or
maintain
efficiency
exhibit
similar
safety
profiles
vivo.
Drug Delivery and Translational Research,
Journal Year:
2024,
Volume and Issue:
14(8), P. 2026 - 2031
Published: May 25, 2024
Abstract
This
note
aims
to
inspire
through
providing
a
personal
view
of
the
development
and
potential
Drug
Delivery
Nanocarriers
functionalized
with
polythyleneglycol
(PEG).
polymer
has
been
used
extensively
in
Pharmaceutical
Technology
variety
compositions,
including
polyethylene
oxide
(PEO)-based
surfactants.
However,
concept
PEGylation,
which
started
70’s,
differs
from
functionality
surfactant,
already
discloses
50’s.
Here,
we
strictly
adhere
biological
PEGylated
nanocarriers
intended
have
reduced
interaction
proteins
and,
therefore,
modify
their
biodistribution
as
well
facilitate
diffusion
across
mucus
other
barriers.
We
analyze
how
this
evolved
over
years
benefit
obtained
so
far
terms
marketed
nanomedicines
provide
readers
prospect
topic.
International Journal of Nanomedicine,
Journal Year:
2025,
Volume and Issue:
Volume 20, P. 25 - 52
Published: Jan. 1, 2025
Abstract:
The
effective
clinical
translation
of
messenger
RNA
(mRNA),
small
interfering
(siRNA),
and
microRNA
(miRNA)
for
therapeutic
purposes
hinges
on
the
development
efficient
delivery
systems.
Key
challenges
include
their
susceptibility
to
degradation,
limited
cellular
uptake,
inefficient
intracellular
release.
Polymeric
drug
conjugates
(PDCs)
offer
a
promising
solution,
combining
benefits
polymeric
carriers
agents
targeted
treatment.
This
comprehensive
review
explores
nucleic
acid
therapeutics,
focusing
conjugates.
It
investigates
how
these
address
obstacles,
enhance
systemic
circulation,
reduce
immunogenicity,
provide
controlled
release,
improving
safety
profiles.
delves
into
conjugation
strategies,
preparation
methods,
various
classes
PDCs,
as
well
strategic
design,
highlighting
role
in
delivery.
Applications
PDCs
treating
diseases
such
cancer,
immune
disorders,
fibrosis
are
also
discussed.
Despite
significant
advancements,
adoption
persist.
concludes
with
insights
future
directions
this
transformative
technology,
underscoring
potential
advance
acid-based
therapies
combat
infectious
significantly.
Keywords:
polymer
conjugates,
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(19), P. 8948 - 8948
Published: Oct. 4, 2024
Using
nanostructured
drug
delivery
systems
has
attracted
increasing
interest
in
immunotherapeutic
approaches.
The
intrinsic
immunomodulatory
properties
and
versatility
of
nanoparticles
used
as
carriers
were
consistently
reported
to
augment
treatment
efficiency
nanoscaled
materials
increase
accumulation
at
the
desired
site,
enhance
cell
internalization,
improve
therapeutic
outcomes.
Thus,
numerous
studies
have
exploited
potential
use
vehicles
delivering
different
cargo
a
promising
alternative
for
treating
conditions
like
cancer,
autoimmune
diseases,
infectious
allergic
immune
disorders.
In
this
context,
paper
presents
solid
basis
innovations,
highlighting
their
advantages
improving
strategies,
reviewing
clinical
applications,
discussing
existing
challenges
ways
overcome
them.
Frontiers in Pharmacology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 4, 2024
Cancer
is
a
leading
cause
of
death
worldwide.
Several
targeted
anticancer
drugs
entered
clinical
practice
and
improved
survival
cancer
patients
with
selected
tumor
types,
but
therapy
resistance
metastatic
disease
remains
challenge.
A
major
class
are
therapeutic
antibodies,
their
use
limited
to
extracellular
targets.
Hence,
alternative
binding
scaffolds
have
been
investigated
for
intracellular
better
tissue
penetration.
Among
those,
monobodies
small
synthetic
protein
binders
that
were
engineered
bind
high
affinity
selectivity
central
oncoproteins
inhibit
signaling.
Despite
as
basic
research
tools,
the
potential
therapeutics
be
explored.
In
particular,
pharmacological
properties
monobodies,
including
plasma
stability,
toxicity
pharmacokinetics
not
investigated.
Here,
we
show
well-tolerated
in
mice,
short
half-life
vivo
due
rapid
renal
clearance.
Therefore,
monobody
fusions
an
albumin-binding
domain
(ABD),
which
showed
enhanced
without
affecting
target
binding:
We
found
ABD-monobody
display
increased
stability
mouse
plasma.
Most
importantly,
ABD-monobodies
dramatically
prolonged
rapidly
excreted
by
clearance,
remaining
blood
significantly
longer,
while
accumulating
specific
internal
organs.
Our
results
demonstrate
promise
versatility
developed
into
future
treatment.
anticipate
may
able
extend
spectrum
targets,
resulting
significant
benefit
patient
outcome.