international journal high risk behaviors & addiction,
Journal Year:
2024,
Volume and Issue:
13(3)
Published: Sept. 30, 2024
Context:
Non-alcoholic
substance
abuse
is
a
major
public
health
concern
worldwide,
with
methamphetamine
being
the
second
most
widely
used
non-alcoholic
globally,
and
Iran
ranks
fifth
in
addiction.
To
date,
no
approved
pharmacological
or
non-pharmacological
treatment
by
Food
Drug
Administration
has
been
introduced
for
use
disorder
(MUD).
Therefore,
various
methods
are
currently
utilized.
One
approach
that
gained
attention
transcranial-direct
current
stimulation
(tDCS),
clinical
evaluations
focused
on
it.
Objectives:
The
aim
of
this
review
to
assess
effectiveness
method
improving
symptoms
individuals
MUD.
Methods:
Databases
were
reviewed
up
October
10,
2023,
both
Persian
English
languages,
using
PubMed,
Scopus,
Web
Science,
Google
Scholar,
Science
Direct,
Scientific
Information
Database
(SID),
Noormags.
Keywords
MUD,
tDCS,
Addiction,
Craving,
Cognitive
Function.
Studies
included
based
Population,
Intervention,
Comparison
(sham
active
control),
Outcomes
(craving
cognition),
Study
Design
(randomized
controlled
trial).
excluded
if
they
involved
brain
mapping
neuroimaging.
Meta-analysis
was
conducted
Standardized
Mean
Difference
(SMD)
compare
tDCS
sham
intervention
(P
≤
0.05,
two-tailed).
Random
effects
models
individual
MUD
data
from
studies
reported
end-of-treatment
craving
data.
risk
bias
calculated
Cochrane
Risk-of-Bias
Tool
(RoB-2),
meta-analysis
Comprehensive
Meta-Analysis
Software.
Results:
A
total
870
initially
identified;
twenty-three
(mean
age
30.13
±
6.67)
identified
examined
outcomes
(e.g.,
craving,
cognition).
After
removing
heterogeneous
studies,
meta-analyses
performed
vs.
control
domain.
We
found
reduced
indicated
medium
large
effect
sizes
(Hedges'
g:
-0.64;
SMD
-0.58,
95%
CI
-0.85
-0.30;
I²
=
10.71%,
Q
value:
8.96).
Results
showed
complementary
can
be
useful.
DLPFC
(F3,
F4)
commonly
targeted
region
inhibition.
However,
number
sessions
their
duration
varied
significantly
across
studies.
Conclusions:
This
systematic
reduce
momentary
cue-induced
cravings.
quality
sample
size
different
scales
assessing
cravings
cognitive
functions,
leading
inconsistencies.
highlighted
importance
targeting
due
its
role
executive
functions
self-control,
right-sided
showing
greater
effectiveness.
Emotional
dysregulation
such
as
anxiety
depression,
also
noted,
limited
support
emotion
regulation.
need
larger
RCTs,
standardized
measurement
tools,
detailed
participant
information
improve
understanding
treating
Neuropsychopharmacology,
Journal Year:
2023,
Volume and Issue:
49(4), P. 649 - 680
Published: Dec. 12, 2023
Abstract
While
pharmacological,
behavioral
and
psychosocial
treatments
are
available
for
substance
use
disorders
(SUDs),
they
not
always
effective
or
well-tolerated.
Neuromodulation
(NM)
methods,
including
repetitive
transcranial
magnetic
stimulation
(rTMS),
direct
current
(tDCS)
deep
brain
(DBS)
may
address
SUDs
by
targeting
addiction
neurocircuitry.
We
evaluated
the
efficacy
of
NM
to
improve
outcomes
in
SUDs.
A
systematic
literature
search
was
performed
on
MEDLINE,
PsychINFO,
PubMed
databases
a
list
terms
four
key
concepts
(SUD,
rTMS,
tDCS,
DBS)
applied.
Ninety-four
studies
were
identified
that
examined
effects
DBS
(e.g.,
craving,
consumption,
relapse)
amongst
individuals
with
alcohol,
tobacco,
cannabis,
stimulants,
opioids.
Meta-analyses
alcohol
tobacco
using
rTMS
tDCS.
found
reduced
as
indicated
medium
large
effect
sizes
(Hedge’s
g
>
0.5).
Results
most
encouraging
when
multiple
sessions
applied,
left
dorsolateral
prefrontal
cortex
(DLPFC)
targeted.
tDCS
also
produced
drug
though
highly
variable
less
robust
than
rTMS;
right
anodal
DLPFC
appeared
be
efficacious.
typically
small,
uncontrolled
studies,
but
showed
promise
reducing
misuse
substances.
promising
treatment
Future
should
determine
underlying
neural
mechanisms
NM,
further
evaluate
extended
durations,
accelerated
administration
protocols
long-term
biochemical
verification
use.
Current Neuropharmacology,
Journal Year:
2021,
Volume and Issue:
19(12), P. 2077 - 2091
Published: Aug. 4, 2021
Almost
two
decades
have
passed
since
the
last
methamphetamine
(METH)
abuse
epidemic.
In
recent
years,
METH
in
United
States
has
been
rapidly
increasing
and
is
currently
one
of
leading
causes
death
our
country.
Available
statistical
data
indicates
reemergence
popularity
suggest
an
impending
third
epidemic
abuse.
Alarmingly,
there
no
FDA-approved
medication
for
use
disorder
(MUD).
This
treated
with
behavioral
therapies;
however,
these
therapies
limitations
would
benefit
from
addition
a
MUD
pharmacotherapy.
Unfortunately,
clinical
trials
not
yet
found
consistently
effective
pharmacotherapy
MUD.
review
outlines
history
use,
provides
information
on
current
prevalence
MUD,
describes
medications
that
addresses
as
well
potential
new
treatments
Psychiatry Research,
Journal Year:
2023,
Volume and Issue:
331, P. 115621 - 115621
Published: Nov. 26, 2023
Addiction
is
a
substantial
health
concern;
craving—the
core
symptom
of
addiction—is
strongly
associated
with
relapse.
Transcranial
direct
current
stimulation
(tDCS)
noninvasive
brain
technique
that
reduces
cravings
by
altering
cortical
excitability
and
connectivity
in
regions.
This
systematic
review
meta-analysis
was
conducted
(following
the
PRISMA
guidelines)
to
evaluate
efficacy
tDCS
reducing
for
substances.
Our
analysis
included
43
randomized,
sham-controlled
trials
involving
1,095
913
participants
receiving
sham
stimulation,
respectively.
We
analyzed
changes
craving
scores
found
led
moderate
reduction
compared
effects.
effect
particularly
pronounced
when
bilateral
used,
anodal
electrode
placed
on
right
dorsolateral
prefrontal
cortex,
intensities
ranged
from
1.5
2
mA,
sessions
lasted
20
minutes,
electrodes
size
≥35
cm².
Notably,
effectively
reduced
opioids,
methamphetamine,
cocaine,
tobacco
but
not
alcohol
or
cannabis.
findings
indicate
as
promising,
noninvasive,
low-risk
intervention
tobacco.
Additional
studies
are
warranted
refine
parameters
long-term
managing
substance
cravings.