American Journal of Lifestyle Medicine,
Год журнала:
2022,
Номер
17(2), С. 202 - 205
Опубликована: Ноя. 29, 2022
Vitamin
D
is
an
important
nutrient
in
the
body
that
plays
a
vital
role
immune
system
function.
Several
epidemiologic
studies
have
shown
low
vitamin
levels
are
found
large
percentage
of
COVID-19
patients
with
acute
respiratory
failure
and
may
predict
mortality
infection.
Based
on
these
findings,
supplementation
be
effective
approach
to
preventing
and/or
treating
COVID-19.
Potential
underlying
mechanisms
clinical
trial
data
evaluating
impact
humans
described
below.
Pharmaceuticals,
Год журнала:
2023,
Номер
16(1), С. 130 - 130
Опубликована: Янв. 16, 2023
Background:
The
COVID-19
pandemic
represents
one
of
the
world’s
most
important
challenges
for
global
public
healthcare.
Various
studies
have
found
an
association
between
severe
vitamin
D
deficiency
and
COVID-19-related
outcomes.
Vitamin
plays
a
crucial
role
in
immune
function
inflammation.
Recent
data
suggested
protective
health
purpose
this
meta-analysis
trial
sequential
analysis
(TSA)
was
to
better
explain
strength
supplementation
risk
mortality
admission
intensive
care
units
(ICUs)
patients
with
COVID-19.
Methods:
We
searched
four
databases
on
20
September
2022.
Two
reviewers
screened
randomized
clinical
trials
(RCTs)
assessed
bias,
independently
duplicate.
pre-specified
outcomes
interest
were
ICU
admission.
Results:
identified
78
bibliographic
citations.
After
reviewers’
screening,
only
five
RCTs
be
suitable
our
analysis.
performed
meta-analyses
then
TSAs.
administration
results
decreased
death
(standardized
mean
difference
(95%
CI):
0.49
(0.34–0.72)
0.28
(0.20–0.39),
respectively).
TSA
showed
that,
since
pooling
reached
definite
sample
size,
positive
is
conclusive.
that
z-curve
inside
alpha
boundaries,
indicating
need
further
studies.
Discussion:
respective
TSAs
suggest
definitive
hospitalization.
Nutrients,
Год журнала:
2022,
Номер
14(13), С. 2602 - 2602
Опубликована: Июнь 23, 2022
Recent
studies
showed
that
a
low
25-hydroxyvitamin
D
(25(OH)D)
level
was
associated
with
higher
risk
of
morbidity
and
severe
course
COVID-19.
Our
study
aimed
to
evaluate
the
effects
cholecalciferol
supplementation
on
clinical
features
inflammatory
markers
in
patients
A
serum
25(OH)D
determined
311
COVID-19
patients.
Among
them,
129
were
then
randomized
into
two
groups
similar
concomitant
medication.
Group
I
(n
=
56)
received
bolus
at
dose
50,000
IU
first
eighth
days
hospitalization.
Patients
from
II
54)
did
not
receive
supplementation.
We
found
significant
differences
between
preferential
increase
Δ
ninth
day
hospitalization
(p
<
0.001).
The
negatively
number
bed
(r
−0.23,
p
0.006);
we
observe
other
benefits
receiving
an
oral
cholecalciferol.
Moreover,
I,
neutrophil
lymphocyte
counts
significantly
0.04;
0.02),
while
C-reactive
protein
lower
0.02).
100,000
cholecalciferol,
compared
those
without
supplementation,
decrease
frequencies
CD38++CD27
transitional
CD27−CD38+
mature
naive
B
cells
0.006
0.02)
CD27−CD38−
DN
Thus,
rise
caused
by
vitamin
insufficient
deficient
may
positively
affect
immune
status
hence
The Journal of Clinical Endocrinology & Metabolism,
Год журнала:
2022,
Номер
108(5), С. 1034 - 1042
Опубликована: Дек. 8, 2022
Abstract
Objective
This
work
aims
to
review
and
discuss
controversial
topics
in
the
field
of
vitamin
D,
SARS-CoV-2
infection,
COVID-19.
Methods
The
International
Conferences
“Controversies
Vitamin
D”
are
a
series
workshops
that
started
2017
featuring
international
experts
leaders
D
research
clinical
practice.
fifth
annual
conference
was
held
Stresa,
Italy,
September
15
18,
2021.
Evidence
Before
event,
participants
reviewed
available
studies
on
their
assigned
topic,
drafted
related
abstract,
presented
findings
at
time
conference.
Relevant
literature
became
since
also
discussed
within
panel
updated
accordingly.
Consensus
abstracts
had
been
merged
prepare
preliminary
document.
After
presentations,
in-depth
discussions
open
sessions
led
consensus.
document
subsequently
modified
according
up-to-date
inclusion.
Conclusions
There
is
quite
consistent
evidence
for
an
association
between
low
25
OH
(25(OH)D)
levels
poor
COVID-19
outcomes,
despite
heterogeneous
publications
variable
quality.
However,
status
patients
might
reflect
reverse
causality.
supplementation
have
positive
role
prevention.
supporting
beneficial
effect
treatment
decreasing
risk
complications
conflicting.
Conclusive
statements
regarding
this
context
await
high-quality,
randomized
controlled
trials.
Frontiers in Nutrition,
Год журнала:
2025,
Номер
11
Опубликована: Янв. 7, 2025
Current
evidence
is
inconsistent
on
whether
vitamin
D
supplementation
can
prevent
COVID-19
infection
or
improve
its
clinical
outcomes.
To
better
understand
and
look
into
the
issue,
we
went
through
background
knowledge
of
D,
searched
in
Pubmed
[by
using
key
words
title
containing
"randomized
trial",
"COVID-19",
"vitamin
(25-hydroxyvitamin
cholecalciferol,
calcidiol,
calcifediol)
supplementation"]
for
publications
studies
D/supplementation
patients,
especially
those
about
randomized
trials
(RCTs).
After
reviewing
these
papers,
did
a
short
review
pathophysiology
COVID-19,
summarized
features
25
RCTs
text
tabulated
table
some
features,
commented,
compared
discussed
differences
between
(for
example,
change
serum
25-hydroxyvitamin
concentration
from
nmol/L
to
ng/mL,
making
comparison
easier).
The
take-home
question
that
an
important
indicator
effect
correction
but
may
not
be
reliable
predicting
outcomes
COVID-19.
Biological Trace Element Research,
Год журнала:
2023,
Номер
201(12), С. 5546 - 5560
Опубликована: Март 8, 2023
The
pathophysiology
of
coronavirus
disease-19
(COVID-19)
is
characterized
by
worsened
inflammation
because
weakened
immunity,
causing
the
infiltration
immune
cells,
followed
necrosis.
Consequently,
these
pathophysiological
changes
may
lead
to
a
life-threatening
decline
in
perfusion
due
hyperplasia
lungs,
instigating
severe
pneumonia,
and
fatalities.
Additionally,
acute
respiratory
syndrome
2
(SARS-CoV-2)
infection
can
cause
mortality
viral
septic
shock,
resulting
from
unrestrained
backfiring
reactions
pathogen.
Sepsis
premature
organ
failure
COVID-19
patients,
as
well.
Notably,
vitamin
D
its
derivatives
minerals,
such
zinc
magnesium,
have
been
reported
improve
system
against
illnesses.
This
comprehensive
review
aims
provide
updated
mechanistic
details
immunomodulators.
this
also
focuses
on
their
role
illnesses,
while
specifically
delineating
plausibility
employing
them
preventive
therapeutic
agent
current
future
pandemics
an
immunological
perspective.
Furthermore,
will
attract
attention
health
professionals,
nutritionists,
pharmaceuticals,
scientific
communities,
it
encourages
use
micronutrients
for
purposes,
well
promoting
benefits
healthy
lifestyle
wellbeing.
Nutrients,
Год журнала:
2023,
Номер
15(15), С. 3470 - 3470
Опубликована: Авг. 5, 2023
The
coronavirus
disease
2019
(COVID-19)
pandemic
caused
by
the
Severe
Acute
Respiratory
Syndrome
Coronavirus-2
(SARS-CoV-2)
has
become
a
global
health
crisis
and
pushed
researchers
physicians
to
discover
possible
treatments
improve
outcome
of
their
patients.
Vitamin
D,
known
for
its
role
in
immune
system
function,
been
hypothesized
play
COVID-19
treatment.
A
systematic
review
meta-analysis
were
conducted
evaluate
efficacy
vitamin
D
supplementation
COVID-19,
focusing
on
length
hospital
stay
(LOS),
admission
intensive
care
unit
(ICU),
mortality.
Thirteen
randomized
controlled
trials
(RCTs)
included,
revealed
that
high-dose
showed
potential
benefits
reducing
ICU
rates
patients
with
COVID-19.
However,
overall
effect
mortality
did
not
reach
statistical
significance.
While
this
suggests
stays
patients,
caution
is
warranted
due
high
heterogeneity
limitations
included
studies.
Further
large-scale
consistent
study
characteristics
are
needed
provide
more
robust
evidence
regarding
therapeutic
outcomes.
Inflammopharmacology,
Год журнала:
2023,
Номер
32(1), С. 249 - 271
Опубликована: Ноя. 13, 2023
Abstract
Nearly
four
years
after
its
first
appearance,
and
having
gone
from
pandemic
to
endemic,
the
SARS-CoV-2
remains
out
of
control
globally.
The
purpose
this
study
was
evaluate
clinical
efficacy
vitamin
D
(VD)
in
COVID-19
long
COVID-19,
explain
discrepancy
outcomes
highlight
potential
impact
metformin
on
VD
recent
articles.
Articles
January
2022
August
2023
were
selected
for
review.
objective
achieved
by
reviewing,
analyzing,
discussing
articles
demonstrating
(1)
mechanism
action
(2)
observational
or
randomized
trials
(RCTs)
that
support
not
beneficial
effects
COVID.
(3)
genetic
non-genetic
reasons
variation
VD.
collected
electronic
databases
such
as
PubMed,
Scopus,
MEDLINE,
Google
Scholar,
Egyptian
Knowledge
Bank,
Science
Direct,
Cochrane
Database
Systematic
Reviews.
Twenty
three
studies
conducted
vitro
animal
models
indicated
may
act
through
protecting
respiratory
system
antimicrobial
peptide
cathelicidins,
reducing
lung
inflammation,
regulating
innate
adaptive
immune
functions
up
regulation
autophagy
gene
activity.
Our
review
identified
58
met
criteria.
number
publications
supporting
a
activity
treating
49
(86%),
including
12
meta-analyses.
Although
total
patients
included
all
14,071,273,
role
14,029,411
(99.7%).
Collectively,
extensive
decisive
relationship
between
low
levels
severity
mortality
outcomes.
Importantly,
evidence
intervention
has
demonstrated
effectiveness
supplements
COVID-19.
Furthermore,
results
4
supported
alleviating
symptoms
disease.
However,
eight
RCTs
one
meta-analysis
contain
low-grade
against
Twenty-five
have
addressed
association
VDR
DBP
polymorphisms
treatment
failure
Impaired
signaling
underlie
variability
mechanisms.
Interestingly,
studies,
therapeutic
possibly
improving
AMPK
enhancing
In
conclusion,
been
significantly
strengthened
over
past
18
months,
with
several
meta-analyses
reporting
conclusive
supplementation
highlighting
improve
sensitivity
Life,
Год журнала:
2024,
Номер
14(2), С. 210 - 210
Опубликована: Янв. 31, 2024
The
SARS-CoV-2
virus
may
cause
severe
infection,
which
is
associated
with
diverse
clinical
manifestations.
Vitamin
D
has
immunomodulating
properties
and
enhance
the
body’s
defense
system
against
invading
pathogenic
organisms.
aim
was
to
assess
25(OH)D3
levels
in
patients
hospitalized
for
infection
from
explore
relationship
between
outcomes.
In
a
group
of
88
control
matched
age
sex,
were
analyzed.
Levels
17.36
±
8.80
ng/mL
(mean
SD)
compared
24.34
10.34
group,
respectively,
p
<
0.001
(Student’s
t-test).
significantly
related
outcomes,
i.e.,
survival
as
opposed
non-survival,
more
deficiency
(0–10
ng/mL)
insufficiency
(10–20
had
fatal
outcome
those
vitamin
sufficiency
(p
0.001,
chi-square
test,
Fisher’s
exact
test).
inversely
C-reactive
protein
(CRP),
ferritin,
d-dimer,
fibrinogen
linear
regression
analysis,
beta
coefficient
variation,
−0.176,
−0.160,
−0.178,
−0.158,
respectively).
observed
disease
Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Май 27, 2024
Background
The
therapeutic
effects
of
vitamin
D
supplementation
on
Coronavirus
disease
2019
(COVID-19)
aggravation
remain
controversial
and
inconclusive.
To
probe
into
this
contentious
issue,
we
performed
the
present
meta-analysis
randomized
controlled
trials
(RCTs).
Methods
Literature
published
up
to
June
2023
was
retrieved
from
Cochrane
Library,
PubMed,
Web
Science
Embase.
RCTs
assessing
mortality,
intensive
care
unit
(ICU)
admission,
mechanical
ventilation
(MV),
length
hospitalization
(LOH),
inflammatory
markers
containing
C-reactive
protein
(CRP),
D-dimer,
interleukin-6
(IL-6),
lactate
dehydrogenase
(LDH)
were
included.
19
involved
in
analysis
conducted
subgroup
analyses
baseline
COVID-19
severity
administration.
Results
In
subgroup,
statistically
significant
moderate
severe
group
observed
ICU
admission
(OR
0.43,
95%
CI
0.23,
0.80;
p
=
0.008),
MV
0.44,
0.27,
0.72;
0.001)
LOH
(SMD
–0.49,
–0.92,
−0.06;
0.027).
administration
0.39,
0.16,
0.97;
0.044),
0.18,
0.07,
0.46;
0.000)
–0.50,
–0.96,
−0.04;
0.034)
more
pronounced
patients
supplied
with
multiple-dose
than
single-dose.
Although
result
mortality
showed
no
effect,
it
indicated
a
reduced
trend
0.87,
0.63,
1.12;
>
0.05).
results
reached
statistical
differences.
Conclusion
This
revealed
that
multiple
doses
less
apt
need
have
shorter
hospital
stays.