Preparation, and ex vivo and in vivo Characterization of Favipiravir-Loaded Aspasomes and Niosomes for Nose-to-Brain Administration
International Journal of Nanomedicine,
Journal Year:
2025,
Volume and Issue:
Volume 20, P. 6489 - 6514
Published: May 1, 2025
Language: Английский
Optimization of antiviral dosing in Herpesviridae encephalitis: a promising approach to improve outcome?
Clinical Microbiology and Infection,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
Language: Английский
Revisiting acyclovir dosing for viral encephalitis using a Bayesian PBPK modeling approach
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 26, 2024
Abstract
Acyclovir
is
a
primary
treatment
for
central
nervous
system
(CNS)
infections
caused
by
herpes
simplex
virus
(HSV)
and
varicella-zoster
(VZV).
However,
patient
outcomes
remain
suboptimal
with
high
mortality
morbidity,
following
current
dosing
guidelines.
Given
the
lack
of
alternative
therapies,
there
pressing
need
to
optimize
acyclovir
dosing,
especially
since
initial
regimens
were
developed
in
1980s
incomplete
pharmacokinetic
data
CNS.
This
study
aimed
evaluate
both
using
full
Bayesian
physiologically-based
(PBPK)
model
tailored
viral
encephalitis.
We
CNS
PBPK
simulate
concentrations
plasma,
brain
extracellular
fluid
(ECF),
subarachnoid
space
(SAS).
Drug
efficacy
was
assessed
two
targets,
50%
f
T>IC
50
C
min
>IC
,
safety
threshold
set
at
25
mg/L
plasma.
The
standard
regimen
(10
mg/kg
TID)
yielded
sufficient
exposure
(SAS)
compartments
based
on
target.
it
did
not
consistently
meet
target,
indicating
potential
these
when
evaluated
against
this
criterion.
Notably,
higher
probability
target
attainment
(PTA)
generally
observed
ECF
SAS
compared
Increasing
frequency
QID
improved
but
exceeded
toxicity
20
mg/kg.
Our
findings
suggest
that
10
or
15
may
offer
more
effective
safer
approach
managing
other
tested
regimens.
Language: Английский
Neurological Implications of Poxvirus Infections: Pathogenesis, Neurotropism, and Clinical Manifestations
Reviews in Medical Virology,
Journal Year:
2024,
Volume and Issue:
34(5)
Published: Sept. 1, 2024
Poxviridae
is
a
diverse
family
of
double-stranded
DNA
viruses,
historically
significant
for
diseases
like
smallpox
caused
by
variola
virus
(VARV).
These
viruses
exhibit
unique
cytoplasmic
replication
strategies,
large
genomes
encoding
numerous
proteins,
and
the
ability
to
cause
severe
cutaneous
systemic
diseases.
Recent
attention
has
focused
on
their
neurotropic
potential,
including
mechanisms
CNS
invasion,
immune-mediated
damage,
clinical
manifestations
such
as
encephalitis
myelitis.
This
review
synthesises
current
knowledge
poxvirus
neurotropism,
highlighting
pathophysiological
implications.
Language: Английский