Virology Journal,
Journal Year:
2023,
Volume and Issue:
20(1)
Published: Feb. 8, 2023
Abstract
Background
The
coronavirus
disease
2019
(COVID-19)
caused
by
the
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
continues
to
plague
world.
While
COVID-19
is
asymptomatic
in
most
individuals,
it
can
cause
symptoms
like
pneumonia,
ARDS
(acute
distress
syndrome),
and
death
others.
Although
humans
are
currently
being
vaccinated
with
several
candidate
vaccines
many
countries,
however,
world
still
relying
on
hygiene
measures,
social
distancing,
approved
drugs.
Result
There
potential
therapeutic
agents
pharmacologically
fight
COVID-19:
antiviral
molecules,
recombinant
soluble
angiotensin-converting
enzyme
(ACE2),
monoclonal
antibodies,
vaccines,
corticosteroids,
interferon
therapies,
herbal
agents.
By
an
understanding
of
SARS-CoV-2
structure
its
infection
mechanisms,
vaccine
candidates
under
development
some
various
phases
clinical
trials.
Conclusion
This
review
describes
agents,
including
biologic
anti-inflammatory
treatment
patients.
In
addition
reviewing
that
entered
4,
3,
2/3
trials,
this
also
discusses
platforms
used
develop
COVID-19.
New England Journal of Medicine,
Journal Year:
2021,
Volume and Issue:
384(16), P. 1491 - 1502
Published: Feb. 25, 2021
The
efficacy
of
interleukin-6
receptor
antagonists
in
critically
ill
patients
with
coronavirus
disease
2019
(Covid-19)
is
unclear.We
evaluated
tocilizumab
and
sarilumab
an
ongoing
international,
multifactorial,
adaptive
platform
trial.
Adult
Covid-19,
within
24
hours
after
starting
organ
support
the
intensive
care
unit
(ICU),
were
randomly
assigned
to
receive
(8
mg
per
kilogram
body
weight),
(400
mg),
or
standard
(control).
primary
outcome
was
respiratory
cardiovascular
support-free
days,
on
ordinal
scale
combining
in-hospital
death
(assigned
a
value
-1)
days
free
day
21.
trial
uses
Bayesian
statistical
model
predefined
criteria
for
superiority,
efficacy,
equivalence,
futility.
An
odds
ratio
greater
than
1
represented
improved
survival,
more
both.Both
met
efficacy.
At
that
time,
353
had
been
tocilizumab,
48
sarilumab,
402
control.
median
number
10
(interquartile
range,
-1
16)
group,
11
0
15)
control
group.
adjusted
cumulative
ratios
1.64
(95%
credible
interval,
1.25
2.14)
1.76
1.17
2.91)
as
compared
control,
yielding
posterior
probabilities
superiority
99.9%
99.5%,
respectively.
analysis
90-day
survival
showed
pooled
antagonist
groups,
hazard
comparison
group
1.61
2.08)
probability
99.9%.
All
secondary
analyses
supported
these
antagonists.In
Covid-19
receiving
ICUs,
treatment
outcomes,
including
survival.
(REMAP-CAP
ClinicalTrials.gov
number,
NCT02735707.).
BMJ,
Journal Year:
2020,
Volume and Issue:
unknown, P. m2980 - m2980
Published: July 30, 2020
To
compare
the
effects
of
treatments
for
coronavirus
disease
2019
(covid-19).
Living
systematic
review
and
network
meta-analysis.
WHO
covid-19
database,
a
comprehensive
multilingual
source
global
literature,
up
to
3
December
2021
six
additional
Chinese
databases
20
February
2021.
Studies
identified
as
1
were
included
in
analysis.
Randomised
clinical
trials
which
people
with
suspected,
probable,
or
confirmed
randomised
drug
treatment
standard
care
placebo.
Pairs
reviewers
independently
screened
potentially
eligible
articles.
After
duplicate
data
abstraction,
bayesian
meta-analysis
was
conducted.
Risk
bias
studies
assessed
using
modification
Cochrane
risk
2.0
tool,
certainty
evidence
grading
recommendations
assessment,
development,
evaluation
(GRADE)
approach.
For
each
outcome,
interventions
classified
groups
from
most
least
beneficial
harmful
following
GRADE
guidance.
463
enrolling
166
581
patients
included;
267
(57.7%)
89
814
(53.9%)
are
new
previous
iteration;
265
(57.2%)
evaluating
at
100
events
met
threshold
inclusion
analyses.
Compared
care,
three
drugs
reduced
mortality
mostly
severe
moderate
certainty:
systemic
corticosteroids
(risk
difference
23
fewer
per
1000
patients,
95%
credible
interval
40
7
fewer,
certainty),
interleukin-6
receptor
antagonists
when
given
(23
1000,
36
Janus
kinase
inhibitors
(44
64
high
certainty).
two
probably
reduce
hospital
admission
non-severe
disease:
nirmatrelvir/ritonavir
(36
41
26
certainty)
molnupiravir
(19
29
5
Remdesivir
may
(29
6
low
Only
had
quality
reduction
time
symptom
resolution
(3.3
days
4.8
1.6
certainty);
several
others
showed
possible
benefit.
Several
increase
adverse
leading
discontinuation;
hydroxychloroquine
increases
mechanical
ventilation
(moderate
Corticosteroids,
antagonists,
confer
other
important
benefits
covid-19.
Molnupiravir
This
not
registered.
The
protocol
is
publicly
available
supplementary
material.
article
living
that
will
be
updated
reflect
emerging
evidence.
Updates
occur
years
date
original
publication.
fifth
version
published
on
30
July
2020
(BMJ
2020;370:m2980),
versions
can
found
supplements.
When
citing
this
paper
please
consider
adding
number
access
clarity.
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.
Annals of Clinical Microbiology and Antimicrobials,
Journal Year:
2021,
Volume and Issue:
20(1)
Published: May 18, 2021
Abstract
Coronavirus
disease
2019
(COVID-19)
is
the
second
pandemic
of
twenty-first
century,
with
over
one-hundred
million
infections
and
two
deaths
to
date.
It
a
novel
strain
from
Coronaviridae
family,
named
Severe
Acute
Respiratory
Distress
Syndrome
Coronavirus-2
(SARS-CoV-2);
7th
known
member
coronavirus
family
cause
in
humans,
notably
following
Middle
East
syndrome
(MERS),
(SARS).
The
most
characteristic
feature
this
single-stranded
RNA
molecule
includes
spike
glycoprotein
on
its
surface.
Most
patients
COVID-19,
which
elderly
immunocompromised
are
at
risk,
complain
flu-like
symptoms,
including
dry
cough
headache.
common
complications
include
pneumonia,
acute
respiratory
distress
syndrome,
septic
shock,
cardiovascular
manifestations.
Transmission
SARS-CoV-2
mainly
via
droplets,
either
directly
air
when
an
infected
patient
coughs
or
sneezes,
form
fomites
surfaces.
Maintaining
hand-hygiene,
social
distancing,
personal
protective
equipment
(i.e.,
masks)
remain
effective
precautions.
Patient
management
supportive
care
anticoagulative
measures,
focus
maintaining
function.
Therapy
dexamethasone,
remdesivir,
tocilizumab
appear
be
promising
date,
hydroxychloroquine,
lopinavir,
ritonavir,
interferons
falling
out
favour.
Additionally,
accelerated
vaccination
efforts
have
taken
place
internationally,
several
vaccinations
being
mass
deployed.
In
response
COVID-19
pandemic,
countries
stakeholders
varying
precautions
combat
contain
spread
virus
dampen
collateral
economic
damage.
This
review
paper
aims
synthesize
impact
global,
micro
macro
scale.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2021,
Volume and Issue:
unknown
Published: Feb. 11, 2021
SUMMARY
Background
Tocilizumab
is
a
monoclonal
antibody
that
binds
to
the
receptor
for
interleukin
(IL)-6,
reducing
inflammation,
and
commonly
used
treat
rheumatoid
arthritis.
We
evaluated
safety
efficacy
of
tocilizumab
in
adult
patients
admitted
hospital
with
COVID-19
evidence
both
hypoxia
systemic
inflammation.
Methods
This
randomised,
controlled,
open-label,
platform
trial
(Randomised
Evaluation
Therapy
[RECOVERY]),
assessing
several
possible
treatments
hospitalised
UK.
Those
participants
(oxygen
saturation
<92%
on
air
or
requiring
oxygen
therapy)
inflammation
(C-reactive
protein
[CRP]
≥75
mg/L)
were
eligible
randomisation
usual
standard
care
alone
versus
plus
at
dose
400
mg
800
(depending
weight)
given
intravenously.
A
second
could
be
12
24
hours
later
if
patient’s
condition
had
not
improved.
The
primary
outcome
was
28-day
mortality,
assessed
intention-to-treat
population.
registered
ISRCTN
(50189673)
clinicaltrials.gov
(
NCT04381936
).
Findings
Between
23
April
2020
January
2021,
4116
adults
included
assessment
tocilizumab,
including
562
(14%)
receiving
invasive
mechanical
ventilation,
1686
(41%)
non-invasive
respiratory
support,
1868
(45%)
no
support
other
than
oxygen.
Median
CRP
143
[IQR
107-204]
mg/L
3385
(82%)
corticosteroids
randomisation.
Overall,
596
(29%)
2022
allocated
694
(33%)
2094
died
within
28
days
(rate
ratio
0·86;
95%
confidence
interval
[CI]
0·77-0·96;
p=0·007).
Consistent
results
seen
all
pre-specified
subgroups
patients.
In
particular,
clear
mortality
benefit
those
corticosteroids.
Patients
more
likely
discharged
from
alive
(54%
vs.
47%;
rate
1·22;
CI
1·12-1·34;
p<0·0001).
Among
ventilation
baseline,
less
reach
composite
endpoint
death
(33%
38%;
risk
0·85;
0·78-0·93;
p=0·0005).
Interpretation
improved
survival
clinical
outcomes.
These
benefits
regardless
level
additional
Funding
UK
Research
Innovation
(Medical
Council)
National
Institute
Health
(Grant
ref:
MC_PC_19056).
Emerging Microbes & Infections,
Journal Year:
2021,
Volume and Issue:
10(1), P. 507 - 535
Published: Jan. 1, 2021
Without
modern
medical
management
and
vaccines,
the
severity
of
Coronavirus
Disease
2019
(COVID-19)
pandemic
caused
by
severe
acute
respiratory
syndrome
(SARS)
coronavirus
2
(SARS-CoV-2)
might
approach
magnitude
1894-plague
(12
million
deaths)
1918-A(H1N1)
influenza
(50
pandemics.
The
COVID-19
was
heralded
2003
SARS
epidemic
which
led
to
discovery
human
civet
SARS-CoV-1,
bat
SARS-related-CoVs,
Middle
East
(MERS)-related
CoV
HKU4
HKU5,
other
novel
animal
coronaviruses.
suspected
animal-to-human
jumping
4
betacoronaviruses
including
coronaviruses
OC43(1890),
SARS-CoV-1(2003),
MERS-CoV(2012),
SARS-CoV-2(2019)
indicates
their
significant
potential.
presence
a
large
reservoir
in
bats
wild
mammals,
culture
mixing
selling
them
urban
markets
with
suboptimal
hygiene,
habit
eating
exotic
mammals
highly
populated
areas,
rapid
frequent
air
travels
from
these
areas
are
perfect
ingredients
for
brewing
rapidly
exploding
epidemics.
possibility
emergence
hypothetical
SARS-CoV-3
or
viruses
animals
laboratories,
therefore
needs
global
preparedness
should
not
be
ignored.
We
reviewed
representative
publications
on
epidemiology,
virology,
clinical
manifestations,
pathology,
laboratory
diagnostics,
treatment,
vaccination,
infection
control
as
20
January
2021,
is
1
year
after
person-to-person
transmission
SARS-CoV-2
announced.
difficulties
mass
testing,
labour-intensive
contact
tracing,
importance
compliance
universal
masking,
low
efficacy
antiviral
treatment
disease,
possibilities
vaccine
antiviral-resistant
virus
variants
becoming
another
common
cold
discussed.
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.