Heliyon,
Journal Year:
2024,
Volume and Issue:
10(3), P. e24926 - e24926
Published: Feb. 1, 2024
Background
and
aimVitamin
D
deficiency
(VDD)
is
a
global
public
health
problem
in
African
populations.
This
study
aimed
at
determining
the
prevalence,
characteristics,
determinants
of
VDD
era
SARS-CoV-2/COVID-19.
was
conducted
from
January
to
September
2022
seven
facilities
Douala,
Cameroon.MethodsA
structured,
pre-tested
questionnaire
administered
each
participant
collect
participants'
information.
Molecular
detection
SARS-CoV-2
genome
done.
A
serum
level
25-hydroxyvitamin
<
20
ng/mL
used
diagnose
VDD.ResultsA
total
420
participants
were
included
study.
Serum
levels
25(OH)
vitamin
reduced
(+)
patients
as
compared
(-)
(21.69
±
5.64
vs
42.09
20.03
ng/mL,
p
0.0001).
The
overall
prevalence
10.2
%.
individuals
had
nearly
two
times
more
risk
being
(aRR
=
1.81,
by
46
%
71
those
consuming
cocoa
bean
or
powder
regularly
0.54,
0.03)
rarely
0.29,
0.02)
never
it.
Likewise,
59
78
sardine
fish
0.47,
0.002)
0.22,
0.03).
Overall,
association
between
infection
consistent,
i.e.,
individuals,
after
stratification
for
confounding
variables.ConclusionThis
outlined
high
burden
VDD,
strong
link
SARS–CoV–2,
suggests
possible
utility
supplementation
COVID-19
Cameroon.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(7), P. 3805 - 3805
Published: March 29, 2024
The
post-COVID
condition
(PCC)
is
a
pathology
stemming
from
COVID-19,
and
studying
its
pathophysiology,
diagnosis,
treatment
crucial.
Neuroinflammation
causes
the
most
common
manifestations
of
this
disease
including
headaches,
fatigue,
insomnia,
depression,
anxiety,
among
others.
Currently,
there
are
no
specific
management
proposals;
however,
given
that
inflammatory
component
involves
cytokines
free
radicals,
these
conditions
must
be
treated
to
reduce
current
symptoms
provide
neuroprotection
risk
long-term
neurodegenerative
disease.
It
has
been
shown
cannabis
compounds
with
immunomodulatory
antioxidant
functions
in
other
pathologies.
Therefore,
exploring
approach
could
viable
therapeutic
option
for
PCC,
which
purpose
review.
This
review
involved
an
exhaustive
search
specialized
databases
PubMed,
PubChem,
ProQuest,
EBSCO,
Scopus,
Science
Direct,
Web
Science,
Clinical
Trials.
Phytocannabinoids,
cannabidiol
(CBD),
cannabigerol
(CBG),
Delta-9-tetrahydrocannabinol
(THC),
exhibit
significant
antioxidative
anti-inflammatory
properties
have
effective
neuroinflammatory
conditions.
These
promising
adjuvants
PCC
alone
or
combination
antioxidants
therapies.
presents
challenges
neurological
health,
neuroinflammation
oxidative
stress
play
central
roles
pathogenesis.
Antioxidant
therapy
cannabinoid-based
approaches
represent
areas
research
mitigating
adverse
effects,
but
further
studies
needed.
Nutrition,
Journal Year:
2025,
Volume and Issue:
134, P. 112718 - 112718
Published: Feb. 19, 2025
Prolonged
symptoms
have
been
reported
following
both
COVID-19
infection
and
vaccination,
with
some
cases
leading
to
myalgic
encephalomyelitis/chronic
fatigue
syndrome
(ME/CFS).
Of
80
patients
presenting
our
hospital
postvaccination
syndrome,
28
met
the
diagnostic
criteria
for
ME/CFS.
We
conducted
a
retrospective
study
on
these
patients.
measured
serum
25-hydroxyvitamin
D
levels
in
who
developed
ME/CFS
after
vaccination
between
August
2022
February
2024.
Vitamin
replacement
therapy
included
dietary
counseling,
sun
exposure
recommendations,
oral
vitamin
supplementation.
evaluated
changes
blood
symptom
improvement.
At
initial
visit,
27
of
diagnosed
had
insufficient
or
deficient
(16
±
4
ng/mL,
mean
SD).
Following
therapy,
we
observed
an
increase
(28
5
ng/mL)
associated
decrease
(from
10.3
2.1
3.3
2.0).
Notably,
23
(82%)
no
longer
therapy.
Among
symptoms,
sleep
problems
showed
most
improvement
(71%),
followed
by
autonomic
(68%).
For
developing
levels,
appropriate
under
medical
guidance
may
lead
symptomatic
relief.
are
preparing
randomized
controlled
trial
evaluate
efficacy
individuals
deficiency
vaccination.
Frontiers in Pediatrics,
Journal Year:
2025,
Volume and Issue:
13
Published: Feb. 14, 2025
Long
COVID
is
characterized
by
diverse
symptoms
persisting
after
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2).
Given
the
immunomodulatory
and
neuroprotective
properties
of
vitamin
D,
understanding
its
role
in
long
growing
interest.
This
study
aimed
to
determine
D
status
children
with
COVID-19
assess
impact
on
clinical
course
disease
development.
A
prospective
cohort
included
hospitalized
confirmed
COVID-19,
aged
1
month
18
years,
diagnosed
between
September
2022
March
2024.
Serum
25-hydroxyvitamin
(25(OH)D)
concentrations
were
measured
upon
hospital
admission,
follow-up
was
done
identify
symptoms.
In
total,
162
patients
examined.
Vitamin
deficiency
determined
8.0%,
insufficiency
25.3%,
optimal
levels
66.7%
COVID-19.
deficiency/insufficiency
observed
73%
over
6
years
21.6%
under
age.
Comorbid
conditions
1.4
times
more
frequent
insufficiency,
undernutrition
obesity
playing
most
significant
roles
(p
=
0.0023,
p
0.0245,
respectively).
25(OH)D
concentration
depends
severity
0.0405)
had
a
longer
stay
(4
vs.
3
days,
0.0197).
The
affected
median
neutrophils,
lymphocytes,
their
ratio,
prothrombin
time,
fibrinogen
levels,
frequency
increased
immunoglobulins
M
E
levels.
Among
134
who
agreed
follow
up,
56
(41.8%)
experienced
symptoms,
while
78
(58.2%)
recovered
fully.
frequently
0.0331).
odds
developing
2.2
higher
0.0346)
compared
those
Children
often
exhibited
neurological
(80%
41.9%,
0.0040)
musculoskeletal
(16%
0%,
0.0208).
depended
affect
influenced
duration
hospitalization.
There
an
risk
deficiency/insufficiency,
development
associated
established.
Journal of Proteome Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 20, 2025
Vitamin
D
(VD)
levels
are
closely
related
to
the
occurrence
of
post-COVID-19
conditions
(PCCs),
but
specific
mechanism
is
still
unclear.
Here,
a
total
50
PCC
patient
serum
samples
were
divided
into
VD
sufficient
group
(VD
≥
30
ng/mL),
insufficient
(20
ng/mL
≤
<
and
deficiency
20
ng/mL)
then
subjected
proteomic
analysis.
We
identified
15
differential
abundance
proteins
(DAPs)
between
groups,
including
5
immunoglobulin
(JCHAJN,
IGHV4–28,
GHV4–34,
IGHM,
IGLV2–11),
which
significantly
negatively
correlated
with
in
patients.
These
DAPs
primarily
enriched
immune-related
pathways
such
as
TNF
signaling
pathway
B
cell
receptor
pathway.
Compared
group,
resulted
4
being
upregulated
8
downregulated.
The
declined
IGLV1–47
levels.
Albumin
(ALB)
was
center
protein–protein
interaction
(PPI)
network
map
all
In
conclusion,
insufficiency/deficiency
leads
abnormalities
heavy,
light,
J
chains,
resulting
syndrome.
supplementation
may
be
potential
therapeutic
strategy
alleviate
symptoms
PCC.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(10), P. 4582 - 4582
Published: May 10, 2025
Coronavirus
disease
2019
(COVID-19)
presents
with
various
symptoms,
and
some
patients
develop
post-COVID-19
condition
(PCC).
Vitamin
D
has
shown
therapeutic
potential
in
COVID-19
may
offer
benefits
for
PCC.
The
aim
of
this
study
was
to
evaluate
the
differences
associated
two
supplementation
strategies
(bolus
daily)
on
interleukin-6
(IL-6)
levels,
glutathione
peroxidase
(GPx)
activity,
clinical
outcomes
PCC
patients,
regardless
whether
target
25
(OH)
levels
reached
ideal
range.
We
conducted
a
self-controlled
which
54
participants
were
supplemented
vitamin
D3
(n
=
28
bolus
n
26
2
months.
Blood
samples
collected
measure
IL-6
GPx
activity
using
spectrophotometric
methods.
Hospital
Anxiety
Depression
Scale
(HADS)
used
assess
mental
function.
Both
daily
significantly
increased
decreased
levels.
Daily
additionally
significant
reduction
anxiety
depression
scores.
However,
neither
regimen
improvements
cough,
dyspnea,
or
fatigue.
These
findings
suggest
association
between
antioxidant
neuropsychiatric
parameters
PCC,
possibly
mediated
by
its
immunomodulatory
properties.
Further
placebo-controlled
trials
are
warranted
determine
these
observed
associations
reflect
causal
relationships.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 12, 2024
Abstract
There
have
been
774,075,242
cases
of
COVID-19
and
7,012,986
deaths
worldwide
as
January
2024.
In
the
early
stages
pandemic,
there
was
an
urgent
need
to
reduce
severity
disease
prevent
for
hospitalization
avoid
stress
on
healthcare
systems
worldwide.
The
repurposing
drugs
clinical
deterioration
patients
trialed
in
many
studies
using
different
drugs.
Fluvoxamine
(an
SSRI
sigma-1
receptor
agonist)
initially
identified
potentially
provide
beneficial
effects
COVID-19-infected
patients,
preventing
hospitalization.
Fourteen
carried
out
date,
with
seven
those
being
randomized
placebo-controlled
studies.
This
systematic
review
meta-analysis
covers
literature
from
outbreak
SARS-CoV-2
late
2019
until
Search
terms
related
fluvoxamine,
such
its
trade
names
chemical
names,
along
words
COVID-19,
coronavirus,
were
used
databases
including
PubMed,
Google
Scholar,
Scopus,
ClinicalTrials.gov
database
NIH,
identify
trials
subsequent
analysis.
Clinical
death
data
extracted
these
where
available
meta-analysis.
A
total
7153
studied
across
14
(both
open-label
double-blind
placebo-controlled).
681
3553
(19.17%)
standard
care
group
255
3600
(7.08%)
fluvoxamine-treated
experienced
deterioration.
estimated
average
log
odds
ratio
1.087
(95%
CI
0.200
1.973),
which
differed
significantly
zero
(z
=
2.402,
p
0.016).
resulted
a
0.359
0.1111
0.5294),
3.103,
0.002).
results
this
study
fluvoxamine
effective
deterioration,
subgrouping
analysis
suggests
that
earlier
treatment
dose
200
mg
or
above
provides
best
outcomes.
We
hope
outcomes
can
help
design
future
into
respiratory
viral
infections
improve
Psychiatry and Clinical Neurosciences,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 28, 2024
Aim
This
study
evaluated
the
effectiveness
of
high‐dose
vitamin
D
supplementation
in
alleviating
fatigue
and
neuropsychiatric
symptoms
post‐COVID
syndrome.
Methods
In
an
8‐week,
double‐blind,
randomized,
placebo‐controlled
trial,
80
patients
with
or
were
enrolled.
Participants
randomly
assigned
to
receive
either
60,000
IU
weekly
(
n
=
40)
a
placebo
for
8
weeks.
Clinical
outcomes
assessed
using
11‐item
Chalder
Fatigue
Scale
(CFQ‐11);
21‐item
Depression,
Anxiety,
Stress
(DASS‐21);
Pittsburgh
Sleep
Quality
Index
(PSQI);
Addenbrooke's
Cognitive
Examination
III
(ACE);
Trail
Making
Test
A
B
(TMT‐A
TMT‐B).
Baseline
8‐week
measurements
inflammatory
markers,
including
interleukin
6
(IL‐6)
C‐reactive
protein
(CRP),
also
collected.
Results
Significant
improvements
found
group
CFQ
(coefficient
−3.5,
P
0.024),
DASS‐anxiety
(−2.0,
0.011),
ACE
(2.1,
0.012).
No
significant
differences
observed
PSQI,
DASS‐depression,
TMT,
IL‐6,
CRP
levels.
The
incidence
adverse
events
was
comparable
between
groups,
no
serious
reported.
Conclusion
High‐dose
may
benefit
syndrome
by
reducing
fatigue,
anxiety,
improving
cognitive
symptoms,
minimal
side
effects.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(11), P. e0313631 - e0313631
Published: Nov. 15, 2024
Background
Parkinson’s
disease
(PD)
is
a
neurodegenerative
disorder,
primarily
characterized
by
motor
impairments.
Vitamin
D
has
several
regulatory
functions
in
nerve
cell
survival
and
gene
expression
via
its
receptors.
Although
research
shown
that
vitamin
deficiency
prevalent
among
PD
patients,
the
causal
link
to
risk
remains
unclear.
This
study
aims
investigate
relationship
between
using
bidirectional
two-sample
Mendelian
randomization
(MR)
analysis
method.
Methods
applied
MR
explore
PD.
We
selected
statistically
significant
single
nucleotide
polymorphisms
(SNPs)
related
25-hydroxyvitamin
(25(OH)D)
as
instrumental
variables
(IVs),
ensuring
no
association
with
known
confounders.
The
used
GWAS
data
from
over
1.2
million
Europeans
across
four
major
published
datasets,
elucidating
genetic
correlation
levels
Results
identified
148
SNPs
associated
25(OH)D.
After
adjustment
for
confounding-related
SNPs,
131
remained
analysis.
Data
three
cohorts
revealed
25(OH)D
IVW
method
(
P
cohort1
=
0.365,
cohort2
0.525,
cohort3
0.117).
reverse
indicated
insufficient
evidence
of
causing
decreased
0.776).
Conclusion
first
use
results
indicate
are
not
significantly
causally
at
level.
Therefore,
future
studies
should
exercise
caution
when
investigating
risk.
While
direct
exists
PD,
this
does
preclude
potential
biomarker
diagnosis.
Furthermore,
larger-scale
longitudinal
necessary
evaluate
diagnostic
predictive
value