European Journal of Pharmaceutics and Biopharmaceutics,
Journal Year:
2024,
Volume and Issue:
198, P. 114249 - 114249
Published: March 11, 2024
In
recent
years,
microneedles
(MNs)
have
gained
considerable
interest
in
drug
formulation
due
to
their
non-invasive
and
patient-friendly
nature.
Dissolving
MNs
emerged
as
a
promising
approach
enhance
delivery
across
the
skin
painless
manner
without
generating
sharp
waste
providing
possibility
for
self-administration.
Cyclodextrins,
group
of
cyclic
oligosaccharides,
are
well-established
pharmaceutical
products
safety
unique
ability
form
inclusion
complexes
with
various
molecules.
this
manuscript,
we
report
development
characterization
dissolving
composed
cyclodextrins
intradermal
cyclodextrin-based
nanoparticulate
vaccine.
Different
were
tested
most
candidates
fabricated
into
by
micromolding.
The
MNs'
piercing
effectiveness
permeation
ex
vivo.
Furthermore,
vivo
studies
carried
out
assess
skin's
tolerance
MNs,
evaluate
immune
response
using
model
peptide
antigen
mouse
model.
data
revealed
that
well-tolerated
effective,
even
leading
dose-sparing
effects.
This
study
highlights
potential
versatile
platform
vaccine
delivery,
compatible
matrix
formulations
responses.
Advanced Drug Delivery Reviews,
Journal Year:
2024,
Volume and Issue:
208, P. 115292 - 115292
Published: March 24, 2024
Vaccination
is
one
of
the
most
successful
measures
in
modern
medicine
to
combat
diseases,
especially
infectious
and
saves
millions
lives
every
year.
Vaccine
design
development
remains
critical
involves
many
aspects,
including
choice
platform,
antigen,
adjuvant,
route
administration.
Topical
vaccination,
defined
herein
as
introduction
a
vaccine
any
three
layers
human
skin,
has
attracted
interest
recent
years
an
alternative
vaccination
approach
conventional
intramuscular
administration
because
its
potential
be
needle-free
induce
superior
immune
response
against
pathogens.
In
this
review,
we
describe
progress
developing
topical
vaccines,
highlight
delivery
technologies
for
discuss
factors
that
might
impact
efficacy,
provide
overview
current
clinical
landscape
vaccines.
Gels,
Journal Year:
2024,
Volume and Issue:
10(1), P. 65 - 65
Published: Jan. 15, 2024
Microneedles
are
of
great
interest
in
diverse
fields,
including
cosmetics,
drug
delivery
systems,
chromatography,
and
biological
sensing
for
disease
diagnosis.
Self-dissolving
ultrafine
microneedles
pure
sodium
hyaluronate
hydrogels
were
fabricated
using
a
UV-curing
TiO
Advanced Healthcare Materials,
Journal Year:
2023,
Volume and Issue:
12(23)
Published: April 28, 2023
Abstract
Efforts
aimed
at
exploring
economical
and
efficient
vaccination
have
taken
center
stage
to
combat
frequent
epidemics
worldwide.
Various
vaccines
been
developed
for
infectious
diseases,
among
which
nucleic
acid
attracted
much
attention
from
researchers
due
their
design
flexibility
wide
application.
However,
the
lack
of
an
delivery
system
considerably
limits
clinical
translation
vaccines.
As
mass
vaccinations
via
syringes
are
limited
by
low
patient
compliance
high
costs,
microneedles
(MNs),
can
achieve
painless,
cost‐effective,
drug
delivery,
provide
ideal
strategy.
The
MNs
break
through
stratum
corneum
barrier
in
skin
deliver
immune
cell‐rich
epidermis
dermis.
In
addition,
feasibility
MN‐mediated
is
demonstrated
both
preclinical
studies
has
tremendous
potential
this
work,
current
status
research
on
MN
reviewed.
Moreover,
improvements
summarized
challenges
its
future
discussed.
Pharmaceutics,
Journal Year:
2023,
Volume and Issue:
15(5), P. 1407 - 1407
Published: May 4, 2023
Microneedles
are
a
well-known
transdermal
or
drug
delivery
system.
Different
from
intramuscular
injection,
intravenous
etc.,
the
microneedle
system
provides
unique
characteristics
for
immunotherapy
administration.
can
deliver
immunotherapeutic
agents
to
epidermis
and
dermis,
where
immune
cells
abundant,
unlike
conventional
vaccine
systems.
Furthermore,
devices
be
designed
respond
certain
endogenous
exogenous
stimuli
including
pH,
reactive
oxygen
species
(ROS),
enzyme,
light,
temperature,
mechanical
force,
thereby
allowing
controlled
release
of
active
compounds
in
dermis.
In
this
way,
multifunctional
stimuli-responsive
microneedles
could
enhance
efficacy
responses
prevent
mitigate
disease
progression
lessen
systemic
adverse
effects
on
healthy
tissues
organs.
Since
promising
accurate
release,
review
focuses
progress
using
immunotherapy,
especially
tumors.
Limitations
current
summarized,
controllable
administration
targeting
systems
examined.
Virus Research,
Journal Year:
2023,
Volume and Issue:
334, P. 199175 - 199175
Published: July 21, 2023
Nanoporous
microneedle
arrays
(npMNA)
are
being
developed
as
skin
patches
for
vaccine
delivery.
As
alternative
needle-based
immunisation,
they
may
potentially
result
in
higher
acceptance,
which
is
important
future
mass
vaccination
campaigns
to
control
outbreaks,
such
COVID-19,
and
public
general.
In
this
study
we
investigated
the
safety
immunogenicity
of
needle-free
intradermal
delivery
a
fractional
third
or
fourth
dose
mRNA-1273
by
npMNA.This
was
an
open-label,
randomised-controlled,
proof-of-concept
study.
Healthy
adults
were
eligible
if
had
received
primary
immunisation
series
against
SARS-CoV-2
with
two
doses
(Moderna)
BNT162b2
(Pfizer-BioNTech)
mRNA
vaccine.
A
history
COVID-19
infection
booster
allowed
it
occurred
at
least
three
months
before
inclusion.
Participants
randomised
1:1
ratio
receive
20
µg
vaccine,
either
through
npMNA
patch
applied
on
(ID-patch
group),
intramuscular
(IM)
injection
(IM-control
group).
Primary
outcomes
reactogenicity
up
weeks
after
vaccination,
fold-increase
spike
S1-specific
IgG
antibodies
14
days
post-vaccination.In
April
2022,
participants
enroled.
The
geometric
mean
concentration
(GMC)
did
not
increase
ID-patch
group
contrast
IM-control
(GMC
1,006
BAU/mL
(95%
CI
599-1,689),
3,855
(2,800-5,306),
3,513
(2,554-4,833)
day
1,
15
29,
respectively).
addition,
SARS-CoV-2-specific
T
cell
responses
lower
ID
npMNA.Needle-free
failed
induce
antibody
responses.
very
useful
method,
determine
adjustments
needed
make
successful.
CLINICAL
TRIAL
REGISTRY
(ON
CLINICALTRIAL.GOV):
NCT05315362.