Poliprotect®, a Medical Device Made of Substances, Potently Protects the Human Esophageal Mucosa Challenged by Multiple Agents: Evidence from In Vitro and Ex Vivo Electrophysiological Models
Mohamad Khalil,
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Valeria Perniola,
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Elisa Lanza
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et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 791 - 791
Published: Jan. 18, 2025
The
integrity
of
esophageal
epithelial
cells
in
patients
with
gastroesophageal
reflux
disease
(GERD)
or
GERD-like
symptoms
is
the
first
mechanism
protection
to
decrease
sensitivity
gastric
and
heartburn
symptoms.
We
investigated
protective
effects
Poliprotect®
(PPRO),
a
CE-marked
medical
device,
on
using
vitro
ex
vivo
models.
In
vitro,
PPRO
were
tested
Caco-2
cells.
demonstrated
safety
against
oxidative
damage
induced
by
hydrogen
peroxide.
It
also
preserved
maintaining
transepithelial
electrical
resistance
(TEER)
from
calcium
removal
bile
acid
exposure
(taurodeoxycholic
acid,
TDCA).
Ex
vivo,
biopsies
subjected
endoscopy
mounted
Ussing
chambers
exposed
damaging
agents
(HCl
HCl
+
Untreated
(control)
showed
significant
loss
(up
−33%).
contrast,
low
concentrations
(50–100
µg/mL)
provided
strong
these
damages
(p
<
0.001),
even
after
60
min
washing.
Histological
analysis
confirmed
barrier-enhancing
effect
PPRO.
Overall,
effectively
protected
epithelium
both
models,
suggesting
its
potential
role
alleviating
GERD
strengthening
mucosal
barriers
reducing
reflux.
Language: Английский
The Esophageal Mucosa
Gastrointestinal Endoscopy Clinics of North America,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Topical Protection of Esophageal Mucosa as a New Treatment of GERD
Journal of Clinical Gastroenterology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
Among
the
various
factors
implicated
in
pathogenesis
of
gastroesophageal
reflux
disease
(GERD),
visceral
hypersensitivity
and
mucosal
resistance
have
been
recently
re-evaluated
relation
to
increasing
phenomenon
proton
pump
inhibitor
failure,
particularly
patients
with
nonerosive
(NERD).
Intensive
research
has
allowed
us
understand
that
noxious
substances
contained
refluxate
are
able
interact
esophageal
epithelium
induce
elicitation
symptoms.
The
frequent
evidence
microscopic
esophagitis
increase
permeability
mucosa,
proximity
sensory
afferent
nerve
fibers
lumen
favoring
higher
sensitivity
possible
activation
inflammatory
pathways
interacting
endings
pathophysiological
alterations
confirming
is
impaired
GERD
patients.
Accordingly,
reinforcement
protective
mechanisms
mucosa
by
topical
therapies
become
a
novel
treatment
target.
Alginate,
combination
hyaluronic
acid+chondroitin
sulphate
Poliprotect
shown
adhere
good
properties.
Several
placebo-controlled
clinical
trials
these
compounds,
given
alone
or
as
add-on
therapy
for
short
periods,
enable
relieve
symptoms
improve
quality
life
NERD
Further
studies
needed
confirm
above
results
find
new
protectants
order
management
Language: Английский
A Non-Pharmacological Paradigm Captures the Complexity in the Mechanism of Action of Poliprotect Against Gastroesophageal Reflux Disease and Dyspepsia
Sara Caterbi,
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Claudio Buttarini,
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Stefano Garetto
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et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(3), P. 1181 - 1181
Published: Jan. 29, 2025
When
the
protective
mechanisms
of
gastroesophageal
mucosa
are
overwhelmed
by
injurious
factors,
structural
and
functional
mucosal
integrity
is
compromised,
resulting
in
a
wide
spectrum
disorders.
Poliprotect
has
recently
been
shown
to
be
non-inferior
standard-dose
omeprazole
for
treatment
endoscopy-negative
patients
with
heartburn
and/or
epigastric
pain
or
burning.
Here,
we
provide
preclinical
data
describing
mechanism
action
formulation,
100%
natural,
biodegradable,
environmental
friendly
medical
device
according
EU
2017/745
containing
UVCB
(unknown
variable
composition,
complex-reaction
products,
biological
materials)
substances
botanical
mineral
origin,
REACH
European
Chemical
Agency
definitions.
Different
vitro
assays
demonstrated
capability
adhere
mucus-secreting
gastric
cells
concomitantly
deliver
local
barrier
buffering
antioxidant
activity.
In
studies
conducted
accordance
systems
biology
principles,
evaluated
effects
this
on
human
exposed
acidic
stress.
Biological
functions
identified
via
Ingenuity
Pathway
Analysis
highlighted
product’s
ability
create
microenvironment
that
supports
integrity,
promotes
healing,
restores
balanced
inflammatory
status.
Additionally,
transepithelial
electrical
resistance
an
Ussing
chamber
showed
preserving
esophageal
epithelial
barriers
when
acid
solution.
Two
vivo
models
erosive
gastropathy
further
its
topical
protection
against
ethanol-
drug-induced
injury.
Overall,
our
findings
sustain
feasibility
paradigm
shift
therapeutics
R&D
depicting
very
innovative
desirable
mode
interaction
body
based
emerging
biophysical,
rather
than
pharmacological
properties
these
therapeutic
agents.
Language: Английский