Nutrition Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
COVID-19
remains
globally
pandemic,
and
although
several
meta-analyses
have
explored
the
association
between
vitamin
D
relative
to
clinical
outcomes,
a
unified
view
has
not
yet
emerged.
To
summarize
evidence
for
associations
levels
COVID-19-related
outcomes
assess
strength
validity
of
these
associations.
PubMed,
Embase,
Web
Science,
Scopus,
Cochrane
Database
Systematic
Reviews
databases
were
searched
from
January
1,
2020,
June
15,
2024.
Two
reviewers
independently
extracted
data
assessed
study
quality.
Low
increased
risk
infection
by
1.26-
2.18-fold,
severe
illness
1.50-
5.57-fold,
intensive
care
unit
(ICU)
admission
more
than
2-fold,
death
1.22-
4.15-fold.
In
addition,
patients
with
deficiency
had
an
average
increase
in
length
hospital
stay
0.54
days
compared
high
levels.
Overall,
supplementation
may
reduce
severity
(eg,
ICU
admissions,
need
mechanical
ventilation)
shorter
but
nonsignificant
effect
on
mortality
rates.
there
significant
differences
individuals
testing
positive
those
negative
(mean
difference
[MD]
=
-3.22
ng
mL-1;
95%
CI,
-5.18
-1.25),
cases
mild
(MD
-4.60
-5.49
-3.71),
nonsurvivors
survivors
-6.59
CI:
-8.94
-4.24).
are
associated
higher
rates,
disease,
rates
among
COVID-19,
whereas
patients'
disease
severity.
The
beneficial
effects
remain
be
further
explored,
however,
higher-quality,
randomized
controlled
studies.
Nonetheless,
caution
is
warranted
because
methodological
quality
most
level
very
low.
PROSPERO
registration
No.
CRD42022385036.
The Journal of Clinical Endocrinology & Metabolism,
Journal Year:
2021,
Volume and Issue:
107(5), P. 1484 - 1502
Published: Dec. 11, 2021
Abstract
Purpose
Vitamin
D
deficiency/insufficiency
may
increase
the
susceptibility
to
coronavirus
disease
2019
(COVID-19).
We
aimed
determine
association
between
vitamin
and
COVID-19,
its
severity,
mortality,
role
of
in
treatment.
Methods
searched
CINAHL,
Cochrane
library,
EMBASE,
PubMED,
Scopus,
Web
Science
up
May
30,
2021,
for
observational
studies
on
severe
disease,
death
among
adults,
and,
randomized
controlled
trials
(RCTs)
comparing
treatment
against
standard
care
or
placebo,
improving
severity
mortality
adults
with
COVID-19.
Risk
bias
was
assessed
using
Newcastle-Ottawa
scale
AUB-KQ1
tool
RCTs.
Study-level
data
were
analyzed
RevMan
5.3
R
(v4.1.0).
Heterogeneity
determined
by
I2
sources
explored
through
prespecified
sensitivity
analyses,
subgroup
meta-regressions.
Results
Of
1877
search
results,
76
satisfying
eligibility
criteria
included.
Seventy-two
included
meta-analysis
(n
=
1
976
099).
increased
odds
developing
COVID-19
(odds
ratio
[OR]
1.46;
95%
CI,
1.28-1.65;
P
<
0.0001;
92%),
(OR
1.90;
1.52-2.38;
81%),
2.07;
1.28-3.35;
0.003;
73%).
The
25-hydroxy
concentrations
lower
individuals
compared
controls
(mean
difference
[MD]
-3.85
ng/mL;
-5.44
-2.26;
≤
0.0001),
patients
nonsevere
(MD
-4.84
-7.32
-2.35;
0.0001)
nonsurvivors
survivors
-4.80
-7.89
-1.71;
0.002).
insignificant
when
high
risk
reporting
unadjusted
effect
estimates
excluded.
heterogeneity
across
all
analyses.
Discrepancies
timing
testing,
definitions
partly
explained
heterogeneity.
Four
RCTs
widely
heterogeneous
precluding
meta-analysis.
Conclusion
Multiple
involving
nearly
2
million
suggest
increases
although
a
Association
less
robust.
precluded
their
PLoS ONE,
Journal Year:
2022,
Volume and Issue:
17(7), P. e0268396 - e0268396
Published: July 6, 2022
To
assess
the
evidence
on
SARS-CoV2
infection
and
Covid-19
in
relation
to
deficiency
supplementation
of
vitamin
D,
we
conducted
a
systematic
review
up
April
2021.
We
summarised
data
from
38
eligible
studies,
which
presented
risk
estimates
for
at
least
one
endpoint,
including
two
RCT
27
cohort-studies:
205565
patients
with
information
25OHD
status
2022
taking
D
total
1197
admitted
ICU
or
who
needed
invasive
mechanical
ventilation
intubation
hospital
stay,
more
than
910
deaths.
Primary
outcomes
were
severity
mortality
main
aim
was
evaluate
association
supplementation.
Random
effects
models
showed
that
associated
significant
lower
both
severe
disease
(SRR
0.38,
95%
CI
0.20-0.72,
6
studies)
0.35,
0.17-0.70,
8
studies).
There
no
statistically
dose
differences
between
studies:
summary
regular
doses
remain
significant,
suggesting
higher
are
not
necessary.
For
supplementation,
greater
reduction
emerged
older
individuals
latitudes.
Regarding
quality
assessed
using
New
Castle-Ottawa
scale,
analysis
revealed
most
cases
low,
medium
high
studies.
found
associations
Covid-19,
encompassing
risks
worsening
mortality,
especially
seasons
characterized
by
patients.
Dedicated
randomized
clinical
studies
encouraged
confirm
these
results.
Frontiers in Immunology,
Journal Year:
2023,
Volume and Issue:
14
Published: May 5, 2023
Polycystic
ovary
syndrome
(PCOS)
is
the
most
common
reproductive
endocrine
disorder
affecting
women,
which
can
lead
to
infertility.
Infertility,
obesity,
hirsutism,
acne,
and
irregular
menstruation
are
just
a
few
of
issues
that
PCOS
be
linked
to.
has
complicated
pathophysiology
range
clinical
symptoms.
Chronic
low-grade
inflammation
one
features
PCOS.
The
inflammatory
environment
involves
immune
metabolic
disturbances.
Numerous
organ
systems
across
body,
in
addition
female
system,
have
been
affected
by
pathogenic
role
immunological
dysregulation
recent
years.
Insulin
resistance
hyperandrogenism
associated
with
cell
dysfunction
cytokine
imbalance.
More
importantly,
obesity
also
involved
PCOS,
leading
an
women
Hormone,
interactions
contribute
pathogenesis
Hormone
imbalance
may
development
autoimmune
diseases.
aim
this
review
summarize
pathophysiological
various
patients
provide
new
ideas
for
systemic
treatment
future.
Nutrients,
Journal Year:
2021,
Volume and Issue:
13(10), P. 3596 - 3596
Published: Oct. 14, 2021
Much
research
shows
that
blood
calcidiol
(25(OH)D3)
levels
correlate
strongly
with
SARS-CoV-2
infection
severity.
There
is
open
discussion
regarding
whether
low
D3
caused
by
the
or
if
deficiency
negatively
affects
immune
defense.
The
aim
of
this
study
was
to
collect
further
evidence
on
topic.
Nutrients,
Journal Year:
2021,
Volume and Issue:
13(4), P. 1261 - 1261
Published: April 12, 2021
More
than
one
year
has
passed
since
the
first
cases
of
coronavirus
disease
2019
(COVID-19)
caused
by
severe
acute
respiratory
syndrome
(SARS)-CoV-2
were
reported
in
Wuhan
(China),
rapidly
evolving
into
a
global
pandemic.
This
infectious
become
major
public
health
challenge
world.
Unfortunately,
to
date,
no
specific
antivirals
have
been
proven
be
effective
against
COVID-19,
and
although
few
vaccines
are
available,
mortality
rate
is
not
decreasing
but
still
increasing.
One
therapeutic
strategy
focused
on
infection
prevention
control
measures.
In
this
regard,
use
nutraceutical
supports
may
play
role
some
aspect
infection,
particularly
inflammatory
state
immune
system
function
patients,
thus
representing
worst
outcomes
For
reason,
we
performed
an
overview
including
meta-analyses
systematic
reviews
assess
association
among
melatonin,
vitamin
C,
D,
zinc
supplementation
markers
using
three
databases,
namely,
MEDLINE,
PubMed
Central
Cochrane
Library
Systematic
Reviews.
According
evidence
intake
50,000
IU/month
D
showed
efficacy
CRP.
An
amount
1
2
g
per
day
C
demonstrated
both
CRP
endothelial
function,
dosage
melatonin
ranging
from
5
25
mg
/day
good
CRP,
TNF
IL6.
A
dose
50
mg/day
elemental
positive
results
Based
data
review,
could
consider
whether
it
possible
supplement
current
limited
preventive
measures
through
targeted
large-scale
administration.
Frontiers in Psychiatry,
Journal Year:
2022,
Volume and Issue:
12
Published: Jan. 13, 2022
Background:
Increasing
clinical
evidence
suggests
that
people
with
severe
mental
illness
(SMI),
including
schizophrenia
spectrum
disorders,
bipolar
disorder
(BD),
and
major
depressive
(MDD),
are
at
higher
risk
of
dying
from
COVID-19.
Several
systematic
reviews
examining
the
association
between
psychiatric
disorders
COVID-19-related
mortality
have
recently
been
published.
Although
these
conducted
thoroughly,
certain
methodological
limitations
may
hinder
accuracy
their
research
findings.
Methods:
A
literature
search,
using
PubMed,
Embase,
Web
Science,
Scopus
databases
(from
inception
to
July
23,
2021),
was
for
observational
studies
assessing
death
associated
COVID-19
infection
in
adult
patients
pre-existing
BD,
or
MDD.
Methodological
quality
included
assessed
Newcastle-Ottawa
Scale
(NOS).
Results:
Of
1,446
records
screened,
13
articles
investigating
rates
SMI
were
this
review.
Quality
assessment
scores
ranged
moderate
high.
Most
results
seem
indicate
SMI,
particularly
significantly
mortality,
as
compared
without
SMI.
However,
extent
variation
large
because
a
low
level
precision
estimated
outcome(s)
studies.
on
MDD
BD
did
not
include
specific
information
mood
state
disease
severity
patients.
Due
lack
data,
it
remains
unknown
what
increased
mortality.
variety
factors
likely
contribute
These
male
sex,
older
age,
somatic
comorbidities
(particularly
cardiovascular
diseases),
well
disease-specific
characteristics.
Conclusion:
hamper
estimates
main
categories
SMIs.
Nevertheless,
is
excess
Policy
makers
therefore
must
consider
vulnerable
individuals
high-risk
group
should
be
given
particular
attention.
This
means
targeted
interventions
maximize
vaccination
uptake
among
required
address
burden
already
disadvantaged
group.
Journal of Public Health,
Journal Year:
2024,
Volume and Issue:
46(2), P. 256 - 266
Published: Jan. 30, 2024
Abstract
Background
efficacy
of
therapeutic
cholecalciferol
supplementation
for
severe
COVID-19
is
sparingly
studied.
Objective
effect
single
high-dose
on
sequential
organ
failure
assessment
(SOFA)
score
in
moderate-to-severe
COVID-19.
Methods
participants
with
moderate
to
PaO2/FiO2
ratio
<
200
were
randomized
0.6
million
IU
oral
(intervention)
or
placebo.
Outcomes
primary
outcome
was
change
Day
7
SOFA
and
pre-specified
secondary
outcomes
28-day
all-cause
mortality.
Results
all,
90
patients
(45
each
group)
included
intention-to-treat
analysis.
25(OH)D3
levels
12
(10–16)
13
(12–18)
ng/ml
(P
=
0.06)
at
baseline;
60
(55–65)
4
(1–7)
by
vitamin
D
placebo
groups,
respectively.
The
better
the
group
[3
(95%
CI,
2–5)
versus
5
3–7),
P
0.01,
intergroup
difference
−
2
−4
−0.01);
r
0.4].
A
lower
mortality
[24%
compared
44%
0.046)]
observed
D.
Conclusions
ICU
admission
can
improve
reduce
in-hospital
D-deficient
ClinicalTrials.gov
id:
NCT04952857
registered
dated
July
2021.
What
already
known
this
topic—vitamin
has
immunomodulatory
role.
Observational
isolated
intervention
studies
show
some
benefit
Targeted
not
studied
RCTs.
study
adds—high-dose
(0.6
Million
IU)
increase
25(OH)D
>
50
safe
reduces
score,
How
might
affect
research,
practice
policy—vitamin
useful
may
be
practiced.
Public Health Nutrition,
Journal Year:
2024,
Volume and Issue:
27(1)
Published: Jan. 1, 2024
Abstract
Objectives:
Several
meta-analyses
have
suggested
the
beneficial
effect
of
vitamin
D
on
patients
infected
with
severe
acute
respiratory
syndrome
coronavirus-2.
This
umbrella
meta-analysis
aims
to
evaluate
influence
supplementation
clinical
outcomes
and
mortality
rate
COVID-19
patients.
Design:
Present
study
was
designed
as
an
meta-analysis.
The
following
international
databases
were
systematically
searched
till
March
2023:
Web
Science,
PubMed,
Scopus,
Embase.
Settings:
Random-effects
model
employed
perform
Using
AMSTAR
critical
evaluation
tools,
methodological
quality
included
evaluated.
Participants:
Adult
suffering
from
studied.
Results:
Overall,
13
summarising
data
4
randomised
controlled
trial
9
observational
studies
identified
in
this
review.
Our
findings
revealed
that
status
significantly
reduced
[Interventional
studies:
(ES
=
0·42;
95
%
CI:
0·10,
0·75,
P
<
0·001;
I
2
20·4
%,
0·285)
1·99;
1·37,
2·62,
00·0
0·944).
Also,
deficiency
increased
risk
infection
disease
severity
among
Conclusion:
is
a
factor
influencing
rate,
severity,
admission
intensive
care
unit
being
detached
mechanical
ventilation.
It
vital
monitor
all
conditions
including
COVID