JAMA Psychiatry,
Год журнала:
2024,
Номер
82(3), С. 321 - 321
Опубликована: Дек. 10, 2024
This
secondary
analysis
of
a
randomized
clinical
trial
examines
the
association
between
treatment
expectancies
and
relative
efficacy
psilocybin
compared
with
escitalopram
for
major
depressive
disorder.
JAMA Psychiatry,
Год журнала:
2025,
Номер
82(3), С. 311 - 311
Опубликована: Янв. 8, 2025
There
is
unprecedented
clinician,
industry,
and
patient
interest
in
the
therapeutic
development
of
psychedelic
drugs.
This
due
to
a
combination
promising
clinical
trial
results,
positive
media
coverage,
lack
novel
pharmacologic
treatments
for
psychiatric
disorders
recent
decades.
However,
field
faces
key
methodological
challenge:
masking
participants
treatment
conditions
trials
has
been
largely
unsuccessful.
When
can
tell
whether
they
received
active
drug
or
placebo,
their
responses
assessments,
questionnaires,
even
functional
imaging
biological
data
be
influenced
by
preconceptions
about
effects.
Positive
expectancies
combined
with
ineffective
may
skew
outcomes
inflate
effect
sizes.
complicates
efforts
determine
safety
efficacy
Here,
we
explore
method
help
address
this
problem:
modifying
informed
consent
obscure
information
study
design.
We
reviewed
all
contemporary
(2000-2024)
methylenedioxymethamphetamine
(MDMA)
therapy
corresponded
investigators
compile
on
use
modifications
these
studies.
Modifying
details
design
implemented
several
offer
way
strengthen
masking.
approach
poses
significant
ethical
risks.
examine
examples
used
literature,
discuss
current
regulatory
landscape,
suggest
strategies
mitigate
risks
associated
modified
consent.
Incorporating
future
improve
interpretability
impact,
but
not
explicitly
tested.
Modifications
appropriate
cases,
should
minimized
implementing
guardrails.
Importance
Expectancy
effects
are
significant
confounding
factors
in
psychiatric
randomized
clinical
trials
(RCTs),
potentially
affecting
the
interpretation
of
study
results.
This
narrative
review
is
first,
to
our
knowledge,
explore
relationship
between
expectancy
effects,
compromised
blinding
integrity,
and
active
treatment/placebo
RCTs.
Additionally,
we
present
statistical
experimental
approaches
that
may
help
mitigate
impact
effects.
The
concludes
with
recommendations
enhance
reliability
RCTs
psychiatry.
Observations
placebo
response
comprises
both
specific
nonspecific
elements,
expectation
being
a
key
component.
Evidence
from
studies
suggests
can
influence
treatment
responses
Blinding
integrity
be
by
perceived
efficacy
adverse
introducing
bias
into
outcome
assessments.
Treatment
expectations
lead
unblinding
during
RCTs,
meta-analytic
data
fields
psychedelics
anxiety
disorders
indicate
this
effect
sizes.
Therefore,
controlling
for
essential
when
interpreting
RCT
Novel
methods,
though
still
need
further
validation,
offer
strategies
address
issue.
Another
approach
involve
medicine
models,
which
aim
develop
objective
improvement
markers
(readouts)
less
affected
Conclusions
Relevance
represent
confound
We
recommend
collecting
on
alongside
monitoring
more
accurately
interpret
developing
readouts
confounded
offers
another
promising
avenue
mitigating
these
influences
Journal of Clinical Medicine,
Год журнала:
2025,
Номер
14(5), С. 1416 - 1416
Опубликована: Фев. 20, 2025
Background/Objectives:
Suicide
accounts
for
1.4%
of
global
deaths,
and
the
slow-acting
nature
traditional
treatments
suicide
risk
underscores
need
alternatives.
Psychedelic
therapies
may
rapidly
reduce
risk.
This
systematic
review
evaluates
impact
psychedelic
on
suicide-related
outcomes.
Methods:
A
search
MEDLINE,
Embase,
PsycINFO,
ClinicalTrials.gov
was
conducted
up
to
November
2024.
Results:
Four
randomized
controlled
trials
(RCTs)
evaluated
suicidality
as
a
secondary
outcome
or
safety
measure,
showing
significant
reductions
in
suicidal
ideation
with
psilocybin
(three
studies)
MDMA-assisted
therapy
(MDMA-AT;
one
study).
Effect
sizes,
measured
by
Cohen’s
d,
ranged
from
=0.52
1.25
(p
=
0.01
0.005),
no
issues
reported.
Five
additional
RCTs
assessed
(two
MDMA-AT
studies;
p
0.02
0.04).
Among
24
non-randomized
cross-sectional
studies,
results
were
mixed.
Psilocybin
reduced
ideation,
odds
ratios
(OR)
0.40–0.75.
(five
studies
PTSD
patients)
had
pooled
effect
size
d
0.61
(95%
CI:
0.32–0.89).
LSD
(six
showed
increased
suicidality,
ranging
1.15
2.08.
Studies
involving
DMT
multiple
psychedelics
mixed
results,
not
effects
varying
outcomes,
some
reporting
others
change.
Conclusions:
The
outcomes
remains
inconclusive,
highlighting
further
clarify
therapeutic
mechanisms.
Journal of Psychoactive Drugs,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Март 15, 2025
Recent
clinical
trials
on
classic
psychedelics
for
depression
and
anxiety
have
raised
questions
about
their
potential
to
treat
other
psychiatric
conditions.
Evidence
from
pre-clinical
research
suggests
may
help
with
substance
use
disorders,
ongoing
registered
trials.
Behavioral
addictions,
sharing
features
also
respond
psychedelic
treatment.
This
study
examined
self-reported
symptoms
of
problem
gambling,
sexual
addiction,
compulsive
buying,
eating
disorders
in
a
community
sample
(N
=
1107),
alongside
measures
well-being
(self-transcendence,
personal
growth,
depression/anxiety,
etc.),
psychoactive
drugs.
Significant
positive
correlations
emerged
among
behavioral
addiction
symptoms,
inverse
between
addictions.
Psychedelic
users
reported
greater
lower
even
after
controlling
demographics
drug
use.
Principal
components
analysis
showed
that
addictions
formed
single
factor,
which
was
combined
into
composite
score.
Multiple
regression
analyses
revealed
major
stimulant,
alcohol,
nicotine
vaping
predicted
higher
scores,
while
uniquely
scores.
These
findings
suggest
aid
treating
A
controlled
pilot
or
trial
is
warranted
explore
this
therapeutic
further.