Intensive Care Medicine,
Journal Year:
2021,
Volume and Issue:
47(11), P. 1258 - 1270
Published: Oct. 5, 2021
Trials
of
tocilizumab
in
patients
with
severe
COVID-19
pneumonia
have
demonstrated
mixed
results,
and
the
role
combination
other
treatments
is
uncertain.
Here
we
evaluated
whether
plus
remdesivir
provides
greater
benefit
than
alone
pneumonia.
This
randomized,
double-blind,
placebo-controlled,
multicenter
trial
included
hospitalized
requiring
>
6
L/min
supplemental
oxygen.
Patients
were
randomly
assigned
(2:1
ratio)
to
receive
8
mg/kg
or
placebo
intravenously
≤
10
days
remdesivir.
The
primary
outcome
was
time
from
randomization
hospital
discharge
"ready
for
discharge"
(defined
as
category
1,
assessed
by
investigator
on
a
7-category
ordinal
scale
clinical
status)
day
28.
followed
60
days.
Among
649
enrolled
patients,
434
215
566
(88.2%)
received
corticosteroids
during
Median
14
(95%
CI
12–15)
11–16)
[log-rank
P
=
0.74;
Cox
proportional
hazards
ratio
0.97
0.78–1.19)].
Serious
adverse
events
occurred
128
(29.8%)
72
(33.8%)
patients;
78
(18.2%)
42
(19.7%)
respectively,
died
Tocilizumab
did
not
shorten
28
compared
BMJ,
Journal Year:
2021,
Volume and Issue:
unknown, P. n1648 - n1648
Published: July 26, 2021
Since
its
emergence
in
Wuhan,
China,
covid-19
has
spread
and
had
a
profound
effect
on
the
lives
health
of
people
around
globe.
As
4
July
2021,
more
than
183
million
confirmed
cases
been
recorded
worldwide,
3.97
deaths.
Recent
evidence
shown
that
range
persistent
symptoms
can
remain
long
after
acute
SARS-CoV-2
infection,
this
condition
is
now
coined
covid
by
recognized
research
institutes.
Studies
have
affect
whole
spectrum
with
covid-19,
from
those
very
mild
disease
to
most
severe
forms.
Like
involve
multiple
organs
many
systems
including,
but
not
limited
to,
respiratory,
cardiovascular,
neurological,
gastrointestinal,
musculoskeletal
systems.
The
include
fatigue,
dyspnea,
cardiac
abnormalities,
cognitive
impairment,
sleep
disturbances,
post-traumatic
stress
disorder,
muscle
pain,
concentration
problems,
headache.
This
review
summarizes
studies
term
effects
hospitalized
non-hospitalized
patients
describes
they
endure.
Risk
factors
for
possible
therapeutic
options
are
also
discussed.
Allergy,
Journal Year:
2020,
Volume and Issue:
76(2), P. 428 - 455
Published: Nov. 13, 2020
The
pandemic
of
coronavirus
disease
2019
(COVID-19),
caused
by
the
severe
acute
respiratory
syndrome
2
(SARS-CoV-2),
has
an
unprecedented
global
social
and
economic
impact,
high
numbers
deaths.
Many
risk
factors
have
been
identified
in
progression
COVID-19
into
a
critical
stage,
including
old
age,
male
gender,
underlying
comorbidities
such
as
hypertension,
diabetes,
obesity,
chronic
lung
diseases,
heart,
liver
kidney
tumors,
clinically
apparent
immunodeficiencies,
local
early
type
I
interferon
secretion
capacity,
pregnancy.
Possible
complications
include
injury,
coagulation
disorders,
thoromboembolism.
development
lymphopenia
eosinopenia
are
laboratory
indicators
COVID-19.
Laboratory
parameters
to
monitor
lactate
dehydrogenase,
procalcitonin,
high-sensitivity
C-reactive
protein,
proinflammatory
cytokines
interleukin
(IL)-6,
IL-1β,
Krebs
von
den
Lungen-6
(KL-6),
ferritin.
cytokine
storm
extensive
chest
computed
tomography
imaging
patterns
disease.
In
addition,
socioeconomic
status,
diet,
lifestyle,
geographical
differences,
ethnicity,
exposed
viral
load,
day
initiation
treatment,
quality
health
care
reported
influence
individual
outcomes.
this
review,
we
highlight
scientific
evidence
on
severity
Signal Transduction and Targeted Therapy,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: July 7, 2021
Abstract
The
Coronavirus
Disease
2019
(COVID-19)
pandemic
has
become
a
global
crisis
and
is
more
devastating
than
any
other
previous
infectious
disease.
It
affected
significant
proportion
of
the
population
both
physically
mentally,
destroyed
businesses
societies.
Current
evidence
suggested
that
immunopathology
may
be
responsible
for
COVID-19
pathogenesis,
including
lymphopenia,
neutrophilia,
dysregulation
monocytes
macrophages,
reduced
or
delayed
type
I
interferon
(IFN-I)
response,
antibody-dependent
enhancement,
especially,
cytokine
storm
(CS).
CS
characterized
by
hyperproduction
an
array
pro-inflammatory
cytokines
closely
associated
with
poor
prognosis.
These
excessively
secreted
initiate
different
inflammatory
signaling
pathways
via
their
receptors
on
immune
tissue
cells,
resulting
in
complicated
medical
symptoms
fever,
capillary
leak
syndrome,
disseminated
intravascular
coagulation,
acute
respiratory
distress
multiorgan
failure,
ultimately
leading
to
death
most
severe
cases.
Therefore,
it
clinically
important
understand
initiation
develop
effective
treatment
strategies
COVID-19.
Herein,
we
discuss
latest
developments
immunopathological
characteristics
focus
current
research
status
involved.
We
also
induction,
function,
downstream
signaling,
existing
potential
interventions
targeting
these
related
signal
pathways.
believe
comprehensive
understanding
will
help
better
effectively
control
this
disease
diseases.
Stem Cells Translational Medicine,
Journal Year:
2021,
Volume and Issue:
10(5), P. 660 - 673
Published: Jan. 5, 2021
Acute
respiratory
distress
syndrome
(ARDS)
in
COVID-19
is
associated
with
high
mortality.
Mesenchymal
stem
cells
are
known
to
exert
immunomodulatory
and
anti-inflammatory
effects
could
yield
beneficial
ARDS.
The
objective
of
this
study
was
determine
safety
explore
efficacy
umbilical
cord
mesenchymal
cell
(UC-MSC)
infusions
subjects
A
double-blind,
phase
1/2a,
randomized,
controlled
trial
performed.
Randomization
stratification
by
ARDS
severity
used
foster
balance
among
groups.
All
were
analyzed
under
intention
treat
design.
Twenty-four
randomized
1:1
either
UC-MSC
treatment
(n
=
12)
or
the
control
group
12).
Subjects
received
two
intravenous
(at
day
0
3)
100
±
20
×
10
Nature Reviews Rheumatology,
Journal Year:
2021,
Volume and Issue:
17(6), P. 315 - 332
Published: April 26, 2021
Immune-related
manifestations
are
increasingly
recognized
conditions
in
patients
with
COVID-19,
around
3,000
cases
reported
worldwide
comprising
more
than
70
different
systemic
and
organ-specific
disorders.
Although
the
inflammation
caused
by
SARS-CoV-2
infection
is
predominantly
centred
on
respiratory
system,
some
can
develop
an
abnormal
inflammatory
reaction
involving
extrapulmonary
tissues.
The
signs
symptoms
associated
this
excessive
immune
response
very
diverse
resemble
autoimmune
or
diseases,
clinical
phenotype
that
seemingly
influenced
epidemiological
factors
such
as
age,
sex
ethnicity.
severity
of
also
varied,
ranging
from
benign
self-limiting
features
to
life-threatening
syndromes.
Little
known
about
pathogenesis
these
manifestations,
tend
emerge
within
first
2
weeks
infection,
whereas
others
appear
a
late
post-infectious
stage
even
asymptomatic
patients.
As
body
evidence
comprises
case
series
uncontrolled
studies,
diagnostic
therapeutic
decision-making
unsurprisingly
often
based
scarcely
experience
expert
opinion.
Additional
studies
required
learn
mechanisms
involved
development
apply
knowledge
achieve
early
diagnosis
most
suitable
therapy.
Nutrients,
Journal Year:
2020,
Volume and Issue:
12(11), P. 3361 - 3361
Published: Oct. 31, 2020
Vitamin
D
deficiency
co-exists
in
patients
with
COVID-19.
At
this
time,
dark
skin
color,
increased
age,
the
presence
of
pre-existing
illnesses
and
vitamin
are
features
severe
COVID
disease.
Of
these,
only
is
modifiable.
Through
its
interactions
a
multitude
cells,
may
have
several
ways
to
reduce
risk
acute
respiratory
tract
infections
COVID-19:
reducing
survival
replication
viruses,
inflammatory
cytokine
production,
increasing
angiotensin-converting
enzyme
2
concentrations,
maintaining
endothelial
integrity.
Fourteen
observational
studies
offer
evidence
that
serum
25-hydroxyvitamin
concentrations
inversely
correlated
incidence
or
severity
The
date
generally
satisfies
Hill’s
criteria
for
causality
biological
system,
namely,
strength
association,
consistency,
temporality,
gradient,
plausibility
(e.g.,
mechanisms),
coherence,
although
experimental
verification
lacking.
Thus,
seems
strong
enough
people
physicians
can
use
recommend
supplements
prevent
treat
COVID-19
light
their
safety
wide
therapeutic
window.
In
view
public
health
policy,
however,
results
large-scale
randomized
controlled
trials
required
currently
progress.
Frontiers in Immunology,
Journal Year:
2021,
Volume and Issue:
12
Published: June 30, 2021
More
than
one
year
since
its
emergence,
corona
virus
disease
2019
(COVID-19)
is
still
looming
large
with
a
paucity
of
treatment
options.
To
add
to
this
burden,
sizeable
subset
patients
who
have
recovered
from
acute
COVID-19
infection
reported
lingering
symptoms,
leading
significant
disability
and
impairment
their
daily
life
activities.
These
are
considered
suffer
what
has
been
termed
as
“chronic”
or
“long”
form
post-acute
sequelae
COVID-19,
experiencing
syndrome
long-haulers.
Despite
recovery
infection,
the
persistence
atypical
chronic
including
extreme
fatigue,
shortness
breath,
joint
pains,
brain
fogs,
anxiety
depression,
that
could
last
for
months
implies
an
underlying
pathology
persist
beyond
presentation
disease.
As
opposed
direct
effects
itself,
immune
response
severe
respiratory
coronavirus
2
(SARS-CoV-2)
believed
be
largely
responsible
appearance
these
lasting
possibly
through
facilitating
ongoing
inflammatory
process.
In
review,
we
hypothesize
potential
immunological
mechanisms
persistent
prolonged
effects,
describe
multi-organ
long-term
manifestations
COVID-19.
American Journal of Respiratory and Critical Care Medicine,
Journal Year:
2020,
Volume and Issue:
203(2), P. 192 - 201
Published: Nov. 20, 2020
In
life-threatening
coronavirus
disease
(COVID-19),
corticosteroids
reduce
mortality,
suggesting
that
immune
responses
have
a
causal
role
in
death.
Whether
this
deleterious
inflammation
is
primarily
direct
reaction
to
the
presence
of
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
or
an
independent
immunopathologic
process
unknown.
European Respiratory Journal,
Journal Year:
2021,
Volume and Issue:
57(4), P. 2100048 - 2100048
Published: March 10, 2021
Hospitalised
patients
with
coronavirus
disease
2019
(COVID-19)
as
a
result
of
SARS-CoV-2
infection
have
high
mortality
rate
and
frequently
require
noninvasive
respiratory
support
or
invasive
ventilation.
Optimising
standardising
management
through
evidence-based
guidelines
may
improve
quality
care
therefore
patient
outcomes.A
task
force
from
the
European
Respiratory
Society
endorsed
by
Chinese
Thoracic
identified
priority
interventions
(pharmacological
non-pharmacological)
for
initial
version
this
"living
guideline"
using
PICO
(population,
intervention,
comparator,
outcome)
format.
The
GRADE
approach
was
used
assessing
evidence
strength
recommendations.
Systematic
literature
reviews
were
performed,
data
pooled
meta-analysis
where
possible.
Evidence
tables
presented
to
decision
frameworks
formulate
recommendations.Based
on
available
at
time
guideline
development
(20
February,
2021),
panel
makes
strong
recommendation
in
favour
use
systemic
corticosteroids
requiring
supplementary
oxygen
ventilatory
support,
anticoagulation
hospitalised
patients.
conditional
interleukin
(IL)-6
receptor
antagonist
monoclonal
antibody
treatment
high-flow
nasal
continuous
positive
airway
pressure
hypoxaemic
failure.
make
recommendations
against
hydroxychloroquine
lopinavir-ritonavir.
Conditional
are
made
azithromycin,
combined
colchicine,
remdesivir,
latter
case
specifically
mechanical
No
remdesivir
supplemental
oxygen.
Further
research
made.The
base
COVID-19
now
supports
specific
interventions.
These
will
be
regularly
updated
further
becomes
available.