Pharmaceutics,
Journal Year:
2018,
Volume and Issue:
11(1), P. 8 - 8
Published: Dec. 29, 2018
Genistein
has
been
reported
to
have
antioxidant
and
neuroprotective
activity.
Despite
encouraging
in
vitro
vivo
results,
several
disadvantages
such
as
poor
water
solubility,
rapid
metabolism,
low
oral
bioavailability
limit
the
clinical
application
of
genistein.
The
aim
this
study
was
design
characterize
genistein-loaded
chitosan
nanoparticles
for
intranasal
drug
delivery,
prepared
by
ionic
gelation
technique
using
sodium
hexametaphosphate.
Nanoparticles
were
characterized
their
cytotoxicity
tested
on
PC12
cells.
Genistein-loaded
prepared,
hexametaphosphate
used
a
valid
alternative
well-known
cross-linkers.
Nanoparticle
characteristics
well
physical
stability
affected
formulation
composition
manufacturing.
Small
(mean
diameters
200–300
nm)
homogeneous
obtained
able
improve
genistein
penetration
through
nasal
mucosa
compared
pure
dispersions
showed
pH
consistent
with
fluid
preserved
cell
vitality.
Pharmaceutics,
Journal Year:
2018,
Volume and Issue:
10(3), P. 116 - 116
Published: Aug. 3, 2018
The
blood-brain
barrier
and
the
blood-cerebrospinal
fluid
are
major
obstacles
in
central
nervous
system
(CNS)
drug
delivery,
since
they
block
most
molecules
from
entering
brain.
Alternative
delivery
routes
like
intraparenchymal
or
intrathecal
invasive
methods
with
a
remaining
risk
of
infections.
In
contrast,
nose-to-brain
is
minimally
administration
pathway,
which
bypasses
as
directed
nasal
cavity
to
particular,
skull
base
located
at
roof
close
vicinity
CNS.
This
area
covered
olfactory
mucosa.
To
design
tailor
suitable
formulations
for
architecture,
structure
physico-chemical
characteristics
mucosa
important
criteria.
Hence,
here
we
review
state-of-the-art
knowledge
about
and,
needed
rational
intranasal
dosage
forms.
Also,
information
development
systemic
local
well
vaccinations.
Pharmaceutics,
Journal Year:
2019,
Volume and Issue:
11(2), P. 84 - 84
Published: Feb. 17, 2019
The
blood–brain
barrier
(BBB)
plays
a
fundamental
role
in
protecting
the
brain
from
toxic
substances
and
therefore
also
controls
restricts
entry
of
therapeutic
agents.
nasal
administration
drugs
using
nose-to-brain
pathway
allows
direct
drug
targeting
into
brain,
avoiding
first-pass
effect
bypassing
BBB.
Through
route,
can
access
directly
along
trigeminal
olfactory
nerves,
which
are
located
upper
part
cavity.
Nanoemulsions
formulations
belonging
to
field
nanomedicine.
They
consist
emulsions
(commonly
oil
water)
stabilized
by
one
or
more
surfactants—and
eventually
co-surfactants—delivered
droplets
small
dimensions
(sizes
100–300
nm
less)
with
high
surface
area.
A
mucoadhesive
polymer
such
as
chitosan
be
added
formulation
impair
rapid
clearance.
represent
promising
deliver
through
intranasal
route.
Therefore,
they
used
possible
alternative
oral
administration,
problems
low
solubility
water,
poor
bioavailability,
enzymatic
degradation
slow
onset
action.
This
review
focuses
present
situation
literature
regarding
use
nanoemulsions
for
targeting,
particular
attention
recent
publications.
Nasal
appear
effective,
non-invasive
safe
delivery
systems
achieve
treatment
neurological
diseases.
Acta Pharmaceutica Sinica B,
Journal Year:
2021,
Volume and Issue:
11(4), P. 925 - 940
Published: March 14, 2021
The
management
of
the
central
nervous
system
(CNS)
disorders
is
challenging,
due
to
need
drugs
cross
blood‒brain
barrier
(BBB)
and
reach
brain.
Among
various
strategies
that
have
been
studied
circumvent
this
challenge,
use
intranasal
route
transport
from
nose
directly
brain
has
showing
promising
results.
In
addition,
encapsulation
in
lipid-based
nanocarriers,
such
as
solid
lipid
nanoparticles
(SLNs),
nanostructured
carriers
(NLCs)
or
nanoemulsions
(NEs),
can
improve
nose-to-brain
by
increasing
bioavailability
site-specific
delivery.
This
review
provides
state-of-the-art
Beilstein Journal of Nanotechnology,
Journal Year:
2020,
Volume and Issue:
11, P. 866 - 883
Published: June 4, 2020
Central
nervous
system
diseases
are
a
heavy
burden
on
society
and
health
care
systems.
Hence,
the
delivery
of
drugs
to
brain
has
gained
more
interest.
The
is
protected
by
blood–brain
barrier
(BBB),
selective
formed
endothelial
cells
cerebral
microvessels,
which
at
same
time
acts
as
bottleneck
for
drug
preventing
vast
majority
reach
brain.
To
overcome
this
obstacle,
can
be
loaded
inside
nanoparticles
that
carry
through
BBB.
However,
not
all
particles
able
cross
BBB
multitude
factors
needs
taken
into
account
when
developing
carrier
purpose.
Depending
chosen
pathway
BBB,
nanoparticle
material,
size
surface
properties
such
functionalization
charge
should
tailored
fit
specific
route
crossing.
Pharmaceutics,
Journal Year:
2021,
Volume and Issue:
13(8), P. 1183 - 1183
Published: July 31, 2021
The
blood–brain
barrier
(BBB)
plays
a
vital
role
in
the
protection
and
maintenance
of
homeostasis
brain.
In
this
way,
it
is
an
interesting
target
as
interface
for
various
types
drug
delivery,
specifically
context
treatment
several
neuropathological
conditions
where
therapeutic
agents
cannot
cross
BBB.
Drug
toxicity
on-target
specificity
are
among
some
limitations
associated
with
current
neurotherapeutics.
recent
years,
advances
nanodrug
delivery
have
enabled
carrier
system
containing
active
to
signaling
pathways
pathophysiology
that
closely
linked
central
nervous
(CNS)
disorders
such
Alzheimer’s
disease
(AD),
Parkinson’s
(PD),
Huntington’s
(HD),
multiple
sclerosis
(MS),
brain
tumor,
epilepsy,
ischemic
stroke,
neurodegeneration.
At
present,
nano
formulations,
solid
lipid
nanoparticles
(SLNs)
emerged
putative
can
deliver
therapeutics
(drug-loaded
SLNs)
across
BBB
at
site
brain,
offering
novel
approach
controlled
longer
circulation
time,
specificity,
higher
efficacy,
more
importantly,
reducing
biomimetic
way.
This
paper
highlights
synthesis
application
SLNs
nontoxic
formulation
strategy
carry
CNS
drugs
improve
use
treating
major
neurological
future
clinics.
Pharmaceutics,
Journal Year:
2021,
Volume and Issue:
13(12), P. 2049 - 2049
Published: Nov. 30, 2021
Treatment
of
neurodegenerative
diseases
or
other
central
nervous
system
(CNS)
disorders
has
always
been
a
significant
challenge.
The
nature
the
blood-brain
barrier
(BBB)
limits
penetration
therapeutic
molecules
to
brain
after
oral
parenteral
administration,
which,
in
combination
with
hepatic
metabolism
and
drug
elimination
inactivation
during
its
journey
systemic
circulation,
decreases
efficacy
treatment,
requires
high
doses
often
induces
adverse
side
effects.
Nose-to-brain
delivery
allows
direct
transport
by
bypassing
BBB
increases
concentration
brain.
present
review
describes
mechanisms
nose-to-brain
discusses
recent
advances
this
area
especial
emphasis
on
nanotechnology-based
approaches.