Pharmacological evaluation of vitamin D in COVID-19 and long COVID-19: recent studies confirm clinical validation and highlight metformin to improve VDR sensitivity and efficacy
Adel A. Gomaa,
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Yasmin A. Abdel-Wadood,
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Romany H. Thabet
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et al.
Inflammopharmacology,
Journal Year:
2023,
Volume and Issue:
32(1), P. 249 - 271
Published: Nov. 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
Language: Английский
A Systematic Review of Vitamin D Supplementation in Oncology: Chance of Science or Effectiveness?
Nutrients,
Journal Year:
2025,
Volume and Issue:
17(4), P. 634 - 634
Published: Feb. 11, 2025
Background:
Vitamin
D
(VD)
supplementation
has
increased
considerably
in
the
last
decade,
whether
for
prevention
or
treatment
of
numerous
diseases,
including
bone,
cardiovascular,
endocrine,
neurologic,
psychological,
respiratory,
infectious,
oncological.
The
primary
objective
this
scoping
review
was
to
examine
and
synthesize
scientific
evidence
on
role
VD
all-type
cancer
patients
undergoing
adjuvant
neoadjuvant
therapy
with
chemotherapy
(CT)
radiotherapy
(RT),
namely
improving
side
effects.
Methods:
This
conducted
by
selecting
papers
from
CINAHL,
Scopus
PubMed
databases
based
descriptor
terms
mesh
title/abstract,
taking
into
consideration
defined
inclusion
exclusion
criteria,
following
PRISMA-ScR
(PRISMA
extension
reviews)
statement.
Results:
A
total
758
were
identified
different
during
review.
However,
using
only
five
publications
made
up
final
sample
study.
studies
included
heterogeneous
study
methodologies,
objectives,
diagnosis,
as
well
methods
assess
body
composition,
which
makes
it
difficult
compare
them.
Based
analyzed
studies,
associations
found
between
bone
density
who
underwent
preoperative
chemoradiotherapy
(CRT).
In
non-small-cell
lung
receiving
CT,
some
effects
associated
attenuated
reduced.
addition,
another
that
deficiency
(VDD)
been
peripheral
neuropathy
(PN)
induced
CT
breast
cancer.
be
safe
effective.
Conclusions:
review,
is
highlighted
a
crucial
factor
preventing
RT
treating
other
treatment-related
health
conditions,
such
osteoporosis,
ameliorating
(nausea,
vomiting,
fatigue)
aggressive
RT.
Language: Английский
Vitamin D supplementation for managing COVID-19 in patients with vitamin D deficiency: a systematic review and meta-analysis of randomised controlled trials
Lemei Zhu,
No information about this author
Yuan Zhang,
No information about this author
Xi Li
No information about this author
et al.
BMJ Open,
Journal Year:
2025,
Volume and Issue:
15(3), P. e091903 - e091903
Published: March 1, 2025
Objectives
Vitamin
D
deficiency
is
prevalent
among
the
population.
Previous
studies
have
shown
that
vitamin
supplementation
might
be
useful
for
treating
COVID-19
infection.
Therefore,
we
performed
a
meta-analysis
to
explore
efficacy
in
patients
with
deficiency.
Design
Systematic
review
and
Data
sources
PubMed,
Cochrane
Library,
Embase
Web
of
Science.
Eligibility
criteria
Randomised
controlled
trials
exploring
extraction
synthesis
Two
independent
reviewers
employed
standardised
methods
search,
screen
code
included
studies.
The
primary
outcomes
mortality
during
follow-up,
28-day
mortality,
need
mechanical
ventilation
intensive
care
unit
(ICU).
secondary
outcome
length
stay
hospital
ICU.
risk
bias
was
assessed
using
Risk
Bias
2
tool.
Depending
on
level
heterogeneity,
either
random-effects
model
or
fixed-effects
applied.
findings
were
summarised
Grading
Recommendations
Assessment,
Development
Evaluation
(GRADE)
evidence
profiles
synthesised
qualitatively.
Results
A
total
nine
studies,
comprising
870
participants,
analysis.
pooled
results
indicated
associated
lower
(risk
ratio
0.76;
95%
CI
0.60
0.97).
However,
this
apparent
benefit
not
robust
when
examined
through
leave-one-out
method
trial
sequential
Regarding
other
outcomes,
there
no
statistically
significant
difference
between
terms
ICU
admission.
0.41
day
shorter
(mean
−0.41;
−1.09
0.28)
0.07
−0.07;
−0.61
0.46)
compared
supplementation;
however,
neither
significant.
Conclusion
Based
low
moderate
quality,
reduced
rate
follow-up
it
did
improve
nor
reduce
admission,
hospital.
PROSPERO
registration
number
CRD42024573791.
Language: Английский
Calcifediol or Corticosteroids in the Treatment of COVID-19: An Observational Study
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(12), P. 1910 - 1910
Published: June 17, 2024
Medical
treatment
of
coronavirus
19
disease
(COVID-19)
is
a
therapeutic
challenge.
The
available
data
strongly
suggest
that
calcifediol
may
reduce
the
severity
COVID-19,
and
corticosteroids
are
choice
worldwide
for
severe
COVID-19.
Both
have
very
similar
action
profile,
their
combined
use
in
patients
modify
contribution
each
administered
compound.
Objective:
To
evaluate
how
with
and/or
medical
practice
modified
need
ICU
admission,
death,
or
poor
prognosis
hospitalized
COVID-19
during
first
outbreaks.
Design,
setting:
A
retrospective
observational
cohort
study
admitted
to
Pneumology
Unit
Hospital
Universitario
Reina
Sofía
(Córdoba,
Spain).
Interventions:
Patients
were
treated
or/and
best
therapy
standard
care,
according
clinical
guidelines.
Measurements:
Admission
intensive
care
unit
(ICU)
death
hospitalization
prognosis.
Results:
Seven
hundred
twenty-eight
included.
According
received,
they
included
four
groups:
(n
=
68),
glucocorticoids
112),
both
510),
neither
38).
Of
578
calcifediol,
88
(15%),
while
150
not
39
required
admission
(26%)
(p
<
0.01).
Among
taking
without
glucocorticoids,
only
4
68
(5.8%)
compared
84
510
(16.5%)
0.022).
595
who
had
good
prognosis,
568
(82.01%)
received
versus
133
whom
90
(67.66%)
0.001).
This
difference
was
found
corticosteroids.
Interpretation:
moderate
mild
could
be
administering
corticosteroids,
until
natural
history
reaches
stage
hyperinflammation.
Language: Английский
Vitamin D deficiency and the need to replenish it in COVID-19
Sanitarnyj vrač (Sanitary Doctor),
Journal Year:
2024,
Volume and Issue:
10, P. 710 - 725
Published: Sept. 30, 2024
More
than
five
years
have
passed
since
the
beginning
of
COVID-19
pandemic,
but
although
fundamental
role
vitamin
D’s
effect
on
immune
system
is
quite
obvious
to
vast
majority
specialists,
there
are
publications
expressing
a
sharply
negative
attitude
towards
use
D
preparations
for
treatment
patients
infected
with
SARSCoV-
2.
The
purpose
work:
«generalization
international
experience
issue
deficiency
in
and
need
replenish
it.»
From
archive
National
Library
Medicine
USA,
containing
15,768
full
versions
articles
incidence
coronavirus
population,
we
selected
49
presenting
results
clinical
confirmed
diagnosis
COVID-19.
Of
these,
38
studies
involving
more
3,800
SARS-CoV-2
showed
positive
using
as
therapeutic
agent
(improvement
inflammation
markers,
reduction
artificial
ventilation,
length
stay
clinic,
hospital
mortality).
In
three
articles,
authors
conclude
that
ineffective,
they
contain
information
about
usefulness
such
use,
differences
intervention
groups
control
not
statistically
significant.
Seven
indicate
zero
from
preparations,
one
article
says
taking
worsened
condition
critically
ill
patients.
ratio
positive,
insignificant,
trials
(38:3:7:1)
It
significantly
biased
supplements
reduce
severity
disease
mortality
infection.
most
common
type
drug
used
therapy
cholecalciferol,
calcidiol
less
often
used,
calcitriol
ergocalciferol
even
(isolated
cases
been
described).
To
date,
has
demonstrated
greatest
effectiveness
complex
COVID
-19.
Language: Английский
The Effect of Vitamin D on Metabolic Bone Disease and Chronic Diseases
Nutrients,
Journal Year:
2023,
Volume and Issue:
15(22), P. 4775 - 4775
Published: Nov. 14, 2023
The
history
of
vitamin
D
begins
more
than
100
years
ago,
with
the
initial
documentation
rickets
in
industrialized
cities
England
[...].
Language: Английский