Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(1), P. 113 - 113
Published: Jan. 16, 2025
Risk
of
lung
damage
from
inhaled
chemicals
or
substances
has
long
been
assessed
using
animal
models.
However,
New
Approach
Methodologies
(NAMs)
that
replace,
reduce,
and/or
refine
the
use
animals
in
safety
testing
such
as
2D
and
3D
cultures
are
increasingly
being
used
to
understand
human-relevant
toxicity
responses
for
assessment
hazard
identification.
Here
we
review
models
terms
their
application
inhalation
assessment.
We
highlight
a
key
case
study
Organization
Economic
Cooperation
Development
(OECD),
which
model
was
assess
human
replace
requirement
90-day
rats.
Finally,
consider
regulatory
guidelines
NAMs
potential
different
aerosol
studies
depending
on
requirement/context
use.
EFSA Supporting Publications,
Journal Year:
2024,
Volume and Issue:
21(9)
Published: Sept. 1, 2024
Abstract
New
Approach
Methodologies
(NAMs),
broadly
understood
to
include
in
silico,
chemico,
vitro
and
ex
vivo
methods,
show
great
potential
advancing
risk
assessment
albeit
their
regulatory
implementation
is
lagging.
The
EFSA
Guidance
on
of
nanomaterials
(EFSA
Nano‐RA)
suggests
nano‐specific
best
achieved
through
Integrated
Approaches
Testing
Assessment
(IATAs)
with
NAMs
as
the
first
choice
generate
new
information.
Integrating
promises
several
advantages
such
a
better
human
focus,
more
detailed
insights
into
molecular
mechanisms
higher
efficacy.
However,
applying
NMs
also
poses
considerable
challenges
issues
related
dispersion
stability,
dosimetry,
agglomeration,
dissolution,
transformations
or
assay
interferences.
Significant
efforts
are
being
undertaken
by
standardisation
organisations
research
projects
establish
various
for
NMs.
Here
thorough
review
provided
covering
that
will
be
potentially
useful
food
feed
sector.
It
follows
structure
Nano‐RA
expands
it,
where
needed,
support
decision‐making
selection
NM
assessment.
begins
an
overview
NAM‐frameworks,
followed
description
individual
including
those
relevant
physicochemical
characterisation,
exposure
hazard
toxicodynamics
toxicokinetics.
focus
concerning
degradation/dissolution,
genotoxicity,
cytotoxicity,
oxidative
stress,
(pro‐)inflammation,
barrier
integrity
important
endpoints
initial
screening
according
framework.
As
result,
total
267
nano‐relevant
NAMs,
mostly
“not
validated”
(with
few
notable
exceptions),
were
included
this
review.
Validation
notwithstanding,
could
already
prove
reliable
NMs,
especially
integrated
approaches.
Nano Today,
Journal Year:
2022,
Volume and Issue:
48, P. 101735 - 101735
Published: Dec. 21, 2022
Ideally,
a
Systems
Toxicology
(ST)
approach
is
aimed
at
by
(eco)toxicologists,
i.e.
multidisciplinary
area
incorporating
classical
toxicological
concepts
with
omics
technologies,
and
the
understanding
of
this
through
computational
data
sciences,
chemistry,
mathematics,
physics
modelling.
As
outlined
in
several
public
reports
(e.g.
from
ECHA-European
Chemical
Agency
EFSA-European
Food
Safety
Authority),
way
forward
coming
years
Europe
to
integrate
New
Approach
Methodologies
(NAMs)
(including
technologies)
into
hazard
hence
risk
assessment
(RA).
Adverse
Outcome
Pathways
(AOPs)
describe
sequence
events
response
stress,
molecular
initiating
event
until
an
adverse
outcome,
which
relevant
RA
or
regulatory
decision-making.
AOPs
are
one
facilitators
mechanistic
RA,
but
it
urgent
increase
inclusion
vast
knowledge
available,
especially
for
novel
smart
advanced
materials
(AdMa)
multifunctional
characteristics.
There
still
many
challenges
routine
usage
NAMs,
e.g.
omics-based
information.
Here,
we
summarise
current
state
art
ST,
benefits
human
environmental
health
cross
available
methods
output.
The
importance
has
been
highlighted
even
more
pressing
context
AdMa.
Furthermore,
outline
suggest
recommendations
future
implementation.
Pharmaceuticals,
Journal Year:
2025,
Volume and Issue:
18(1), P. 113 - 113
Published: Jan. 16, 2025
Risk
of
lung
damage
from
inhaled
chemicals
or
substances
has
long
been
assessed
using
animal
models.
However,
New
Approach
Methodologies
(NAMs)
that
replace,
reduce,
and/or
refine
the
use
animals
in
safety
testing
such
as
2D
and
3D
cultures
are
increasingly
being
used
to
understand
human-relevant
toxicity
responses
for
assessment
hazard
identification.
Here
we
review
models
terms
their
application
inhalation
assessment.
We
highlight
a
key
case
study
Organization
Economic
Cooperation
Development
(OECD),
which
model
was
assess
human
replace
requirement
90-day
rats.
Finally,
consider
regulatory
guidelines
NAMs
potential
different
aerosol
studies
depending
on
requirement/context
use.