BMC Psychiatry,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: Oct. 24, 2023
It
has
been
shown
that
various
aspects
of
clinical
manifestation
schizophrenia
are
strongly
related
to
social
functioning.
However,
it
remains
unknown
as
whether
similar
factors
predict
functioning
at
stages
psychosis.
Therefore,
the
present
study
aimed
compare
effects
interconnections
between
domains
psychopathology
and
neurocognition
on
in
people
during
acute
phase
psychosis
those
remission
positive
disorganization
symptoms
using
a
network
analysis.Two
independent
samples
individuals
with
spectrum
disorders
were
enrolled
(89
inpatients
90
outpatients
symptoms).
Clinical
assessment
covered
levels
functioning,
positive,
negative
depressive
symptoms.
Cognition
was
recorded
Repeatable
Battery
for
Assessment
Neuropsychological
Status
(RBANS).
Data
analyzed
by
means
analysis.
Two
separate
networks
symptoms,
cognition
(i.e.,
patients
remitted
schizophrenia)
compared
respect
measures
centrality
(betweenness,
closeness,
strength,
expected
influence)
edge
weights.In
both
networks,
majority
metrics
(expected
influence,
closeness)
had
highest
values
RBANS
scores
attention
(the
sum
from
two
tasks,
i.e.,
digit
span
coding)
immediate
memory.
In
directly
connected
well
language.
Additionally,
patients,
score
memory.Findings
indicate
central
role
cognitive
deficits,
especially
attention,
processing
speed,
working
memory
shaping
functional
impairments
regardless
phase.
Therapeutic
interventions
aim
improve
capacity
need
target
these
neurocognitive
performance.
JAMA Psychiatry,
Journal Year:
2024,
Volume and Issue:
81(8), P. 749 - 749
Published: May 1, 2024
Importance
A
significant
need
exists
for
new
antipsychotic
medications
with
different
mechanisms
of
action,
greater
efficacy,
and
better
tolerability
than
existing
agents.
Xanomeline
is
a
dual
M
1
/M
4
preferring
muscarinic
receptor
agonist
no
direct
D
2
dopamine
blocking
activity.
KarXT
combines
xanomeline
the
peripheral
antagonist
trospium
chloride
goal
reducing
adverse
events
due
to
xanomeline-related
activation.
In
prior
trials,
xanomeline-trospium
was
effective
in
symptoms
psychosis
generally
well
tolerated
people
schizophrenia.
Objective
To
evaluate
efficacy
safety
vs
placebo
adults
Design,
Setting,
Participants
EMERGENT-3
(
NCT04738123
)
phase
3,
multicenter,
randomized,
double-blind,
placebo-controlled,
5-week
trial
schizophrenia
experiencing
acute
psychosis,
conducted
between
April
1,
2021,
December
7,
2022,
at
30
inpatient
sites
US
Ukraine.
Data
were
analyzed
from
February
June
2023.
Interventions
randomized
1:1
receive
(maximum
dose
125
mg/trospium
mg)
or
5
weeks.
Main
Outcomes
Measures
The
prespecified
primary
end
point
change
baseline
week
Positive
Negative
Syndrome
Scale
(PANSS)
total
score.
Secondary
outcome
measures
PANSS
positive
subscale
score,
negative
Marder
factor
Clinical
Global
Impression–Severity
proportion
participants
least
30%
reduction
Safety
also
evaluated.
Results
256
(mean
[SD]
age,
43.1
[11.8]
years;
191
men
[74.6%];
156
[60.9%]
Black
African
American,
98
[38.3%]
White,
[0.4%]
Asian)
(125
group
131
group).
At
5,
significantly
reduced
score
compared
(xanomeline-trospium
,
−20.6;
placebo,
−12.2;
squares
mean
difference,
−8.4;
95%
CI,
−12.4
−4.3;
P
<
.001;
Cohen
d
effect
size,
0.60).
Discontinuation
rates
treatment-emergent
(TEAEs)
similar
(8
[6.4%])
(7
[5.5%])
groups.
most
common
TEAEs
nausea
(24
[19.2%]
[1.6%]),
dyspepsia
(20
[16.0%]
vomiting
participant
[0.8%]),
constipation
(16
[12.8%]
[3.9%]).
extrapyramidal
symptoms,
weight
gain,
somnolence
treatment
Conclusions
Relevance
Xanomeline-trospium
efficacious
psychosis.
These
findings,
together
previously
reported
consistent
results
EMERGENT-1
EMERGENT-2
support
potential
be
first
putative
class
without
Trial
Registration
ClinicalTrials.gov
Identifier:
Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: Jan. 31, 2024
Introduction
In
this
study
we
assessed
the
contribution
of
psychopathology,
including
two
domains
negative
symptoms
(motivational
deficit
and
expressive
deficit),
processing
speed
as
an
index
neurocognition,
emotion
recognition,
social
cognition,
to
poor
functional
outcomes
in
people
with
schizophrenia.
Methods
The
Positive
Negative
Syndrome
Scale
was
used
evaluate
positive
disorganization
Brief
Symptom
assess
symptoms.
Symbol
Coding
Trail
Making
Test
A
B
were
rate
Facial
Emotion
Identification
recognition.
Functional
outcome
Personal
Social
Performance
(PSP).
Regression
analyses
performed
identify
predictors
outcome.
Mediation
investigate
whether
cognition
symptom
fully
or
partially
mediated
impact
on
Results
One
hundred
fifty
subjects
from
8
different
European
centers
recruited.
Our
data
showed
that
predicted
global
functioning
together
motivational
effects
neurocognition
it.
Motivational
a
predictor
personal
neurocognitive
impairment
same
Both
socially
useful
activities,
recognition
domain
deficits
Conclusions
results
indicate
pathways
are
specific
for
real-life
mediate
functioning.
suggest
both
should
be
targeted
by
psychosocial
interventions
enhance
remediation.
Psychological Medicine,
Journal Year:
2025,
Volume and Issue:
55
Published: Jan. 1, 2025
Abstract
Background
Few
studies
have
examined
the
long-term
outcomes
of
first-episode
psychosis
(FEP)
among
patients
beyond
symptomatic
and
functional
remission.
This
study
aimed
to
broaden
scope
outcome
indicators
by
examining
relationships
between
12
FEP
at
20.9
years
after
their
initial
diagnosis.
Methods
At
follow-up,
220
out
550
original
underwent
a
new
assessment.
Twelve
were
assessed
via
semistructured
interviews
complementary
scales:
symptom
severity,
impairment,
personal
recovery,
social
disadvantage,
physical
health,
number
suicide
attempts,
episodes,
current
drug
use,
dose-years
antipsychotics
(DYAps),
cognitive
motor
abnormalities,
DSM-5
final
The
these
measures
investigated
using
Spearman’s
correlation
analysis
exploratory
factor
analysis,
while
specific
connections
ascertained
network
analysis.
Results
significantly
correlated;
specifically,
functioning,
recovery
showed
strongest
correlations.
Exploratory
revealed
two
factors,
with
11
loading
on
first
factor.
Network
that
diagnosis,
DYAps,
episodes
most
interconnected
outcomes.
Conclusion
provided
insights
into
heterogeneity
FEP.
By
considering
rich
net
interconnections
elucidated
herein
can
facilitate
development
interventions
target
potentially
modifiable
generalize
impact
BJPsych Open,
Journal Year:
2023,
Volume and Issue:
9(5)
Published: Sept. 1, 2023
The
structure
of
negative
symptoms
schizophrenia
is
still
a
matter
controversy.
Although
two-dimensional
model
(comprising
the
expressive
deficit
dimension
and
motivation
pleasure
dimension)
has
gained
large
consensus,
it
been
questioned
by
recent
investigations.To
investigate
latent
its
stability
over
time
in
people
with
using
network
analysis.Negative
were
assessed
612
Brief
Negative
Symptom
Scale
(BNSS)
at
baseline
4-year
follow-up.
A
invariance
analysis
was
conducted
to
changes
strength
connections
between
two
points.The
carried
out
follow-up,
supported
community
detection
analysis,
indicated
that
BNSS's
items
aggregate
form
four
or
five
distinct
domains
(avolition/asociality,
anhedonia,
blunted
affect
alogia).
test
remained
unchanged
(network
score
0.13;
P
=
0.169),
although
overall
decreased
(6.28
baseline,
5.79
follow-up;
global
0.48;
0.016).The
results
lend
support
four-
five-factor
indicate
time.
These
data
have
implications
for
study
pathophysiological
mechanisms
development
targeted
treatments
symptoms.
Schizophrenia,
Journal Year:
2023,
Volume and Issue:
9(1)
Published: July 27, 2023
Abstract
Background
Negative
symptoms
of
schizophrenia
are
linked
with
poor
functioning
and
quality
life.
Therefore,
appropriate
measurement
tools
to
assess
negative
needed.
The
NIMH-MATRICS
Consensus
defined
five
domains
for
symptoms,
which
Brief
Symptom
Scale
(BNSS)
covers.
Methods
We
used
the
COSMIN
guidelines
systematic
reviews
evaluate
psychometric
data
BNSS
scale
as
a
Clinician-Rated
Outcome
Measure
(ClinROM).
Results
search
strategy
resulted
in
inclusion
17
articles.
When
using
risk
bias
checklist,
there
was
generally
good
reporting
structural
validity
hypothesis
testing.
Internal
consistency,
reliability
cross-cultural
were
poorer
quality.
ClinROM
development
content
showed
inadequate
results.
According
updated
criteria
properties,
validity,
internal
consistency
interrater
results,
while
testing
Cross-cultural
test-retest
indeterminate.
GRADE
approach
moderate
grade.
Conclusions
can
potentially
recommend
use
concise
tool
rate
symptoms.
Due
weaknesses
certain
further
validations
warranted.
Journal of Clinical Medicine,
Journal Year:
2023,
Volume and Issue:
12(22), P. 7095 - 7095
Published: Nov. 14, 2023
The
present
review
aims
to
identify
correlations
between
negative
symptoms
(NS)
and
deficits
in
neurocognition
social
cognition
subjects
with
first-episode
psychosis
(FEP)
at-high-risk
populations
(HR).
A
systematic
search
of
the
literature
published
1
January
2005
31
December
2022
was
conducted
on
PubMed,
Scopus,
PsycInfo.
Out
4599
records
identified,
a
total
32
studies
met
our
inclusion/exclusion
criteria.
Data
3086
FEP
1732
HR
were
collected.
available
evidence
shows
that
NS
correlate
executive
functioning
theory
mind
subjects,
processing
speed,
attention
vigilance,
working
memory
subjects.
Visual
learning
do
not
either
or
More
inconsistent
findings
retrieved
relation
other
cognitive
domains
both
samples.
is
limited
by
sample
methodological
heterogeneity
across
rated
as
poor
average
quality
for
majority
included
CHR
populations.
Further
research
based
shared
definitions
at-risk
states,
well
more
recent
conceptualizations
impairment,
highly
needed.
European Psychiatry,
Journal Year:
2023,
Volume and Issue:
67(1)
Published: Dec. 14, 2023
The
conceptualization
of
negative
symptoms
(NS)
in
schizophrenia
is
still
controversial.
Recent
confirmatory
factor-analytic
studies
suggested
that
the
bi-dimensional
model
(motivational
deficit
[MAP]
and
expressive
[EXP])
may
not
capture
complexity
NS
structure,
which
could
be
better
defined
by
a
five-factor
(five
domains)
or
hierarchical
domains
as
first-order
factors,
MAP
EXP,
second-order
factors).
A
validation
these
models
needed
to
define
structure
NS.
To
evaluate
validity
temporal
stability
brief
symptom
scale
(BNSS)
individuals
with
(SCZ),
exploring
associations
between
cognition,
social
functional
capacity,
functioning
at
baseline
4
years
follow-up.
Frontiers in Psychiatry,
Journal Year:
2024,
Volume and Issue:
15
Published: April 22, 2024
Management
of
negative
symptoms
is
one
the
most
challenging
and
important
unmet
needs
schizophrenia
treatment.
Negative
together
with
positive
result
in
significant
psychosocial
impairment
poor
quality
life.
Existing
studies
on
atypical
antipsychotics
reported
limited
treatment
adherence
due
to
higher
prevalence
treatment-emergent
adverse
events,
such
as
diabetes,
weight
gain,
hyperlipidemia,
hyperprolactinemia
hypertension.
A
compound
greater
affinity
for
dopamine
D2/D3
receptors
may
improve
symptoms,
mood,
cognitive
associated
schizophrenia.
In
2015,
US
FDA
has
approved
cariprazine,
a
partial
agonist
schizophrenia,
mania
or
mixed
episodes.
Midlands
Lancashire
Commissioning
Support
Unit,
UK
(2019)
particularly
suggested
cariprazine
predominant
India’s
Central
Drugs
Standard
Control
Organization
(CDSCO)
2021
manic
episodes
bipolar
I
disorder.
ten-fold
D3
agonism
serotonin
receptors,
along
longer
half-life
make
distinct
when
compared
other
antipsychotics.
Cariprazine
also
have
fewer
incidents
metabolic
hormonal
been
shown
provide
better
relapse
prevention.
Recent
evidence
indicates
promising
effect
ameliorating
well
psychotic
patients
addition,
improved
(adjunctive/monotherapy)
having
inadequate
response
an
ongoing
antipsychotic
clinically
established.
This
review
presents
evidence-based
safety
efficacy
Frontiers in Psychiatry,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 6, 2025
This
study
compares
the
clinical
features
of
Treatment-Resistant
Schizophrenia
(TRS)
and
Non-Treatment-Resistant
(NTRS)
using
network
analysis.
We
recruited
511
patients,
dividing
them
into
TRS
(N
=
269)
NTRS
242)
groups.
Eight
scales
were
used:
Positive
Negative
Syndrome
Scale
(PANSS),
Symptom
Assessment
(SAPS),
for
Symptoms
(SANS),
Simpson-Angus
(SAS),
Abnormal
Involuntary
Movements
(AIMS),
Barnes
Akathisia
Rating
(BARS),
Calgary
Depression
(CDSS),
Global
Functioning
(GAF).
Demographic
data
analyzed
T-tests
Chi-square
tests.
Network
analysis
was
then
applied
to
compare
features.
Significant
differences
found
in
overall
architectures
(S
1.396,
p
<
0.002)
edge
weights
(M
0.289,
0.009)
networks.
Nine
edges
(p
0.05)
five
nodes
0.01)
differed,
indicating
a
correlation
between
symptoms
two
core
linked
social
functions
through
both
positive
(SAPS)
negative
while
related
general
psychopathological
(PANSS-G).
For
TRS,
it
is
essential
address
symptoms,
focusing
on
impact
functioning.
Additionally,
managing
medication
side
effects
crucial
avoid
worsening
symptoms.
Pacific Rim International Journal of Nursing Research,
Journal Year:
2025,
Volume and Issue:
29(2), P. 219 - 230
Published: Feb. 22, 2025
Quality
of
life
in
people
with
schizophrenia
is
a
critical
yet
often
overlooked
aspect
mental
health
care.
This
paper
discusses
the
state-of-the-art
quality
schizophrenia,
highlighting
key
dimensions
beyond
clinical
aspects,
including
psychological
well-being,
social
and
community
relationships,
environmental
factors.
The
existing
research
interventions
focused
on
are
also
discussed
to
identify
progress
made
understanding
improving
for
this
population
outline
future
directions,
nursing
practice,
strategies
needed
support
their
well-being
further.
includes
examining
complex
factors
influencing
life,
evaluating
effectiveness
current
systems,
proposing
new
approaches
enhance
overall
persons
schizophrenia.