Acute and prolonged toxicity assessment of Cannabis sativa extract in rodents and lagomorphs
Toxicology Reports,
Journal Year:
2025,
Volume and Issue:
unknown, P. 101918 - 101918
Published: Jan. 1, 2025
Language: Английский
Pharmacokinetics of cannabidiol, (-)-trans-Δ9-tetrahydrocannabinol, and their oxidative metabolites after intravenous and oral administration of a cannabidiol-dominant full-spectrum hemp product to beagle dogs
Frontiers in Veterinary Science,
Journal Year:
2025,
Volume and Issue:
12
Published: April 8, 2025
This
study
investigated
the
pharmacokinetics,
safety,
and
tolerability
of
a
full-spectrum
CBD-dominant
oil
formulated
in
medium-chain
triglycerides
(MCT
oil)
after
single
intravenous
(IV)
administration,
oral
(PO)
multiple
administrations
CBD
at
dose
2.2
mg/kg
adult
male
female
beagle
dogs.
The
extract
was
administered
to
adult,
intact
dogs
(male
n
=
4,
2)
once
intravenously,
orally,
every
12
h
orally
for
21
days
mg
CBD/kg
body
weight
(BW).
Blood
samples
were
collected
predetermined
times
measure
concentrations
serum
CBD,
7-hydroxy-CBD
(7-OH-CBD),
7-nor-7-carboxy-CBD
(7-COOH-CBD),
Δ9-tetrahydrocannabinol
(Δ9-THC),
11-hydroxy-THC
(11-OH-THC),
11-carboxy-THC
(11-COOH-THC).
Serum
Δ9-THC
analyzed
estimate
various
pharmacokinetic
parameters.
Selected
physical,
behavioral,
hematologic,
blood
chemical
measurements
obtained
before
during
repeated
administrations.
Pharmacokinetics
IV
administration
indicated
median
(range)
systemic
clearance
(CL)
7.06
(6.14-10.5)
mL/min/kg,
steady-state
volume
distribution
(Vss)
2.13
(1.10-2.85)
L/kg,
half-life
291
(183-508)
min.
extent
availability
31.2
(17.7-35.7)%.
characterized
by
CL
8.85
(6.88-14.4)
Vss
1.98
(1.30-2.30)
169
(139-476)
PO
40.9
(20.5-46.2)%.
test
article
well
tolerated
all
study.
Although
alkaline
phosphatase
increased
study,
they
remained
within
normal
limits.
Both
rapidly
cleared
exhibited
extensive
volumes
distribution.
Comparison
hepatic
flow
estimated
extraction
ratio
first
pass
metabolism
which
confirmed
analyzing
data.
AUC0-∞
7-OH-CBD
compared
not
different,
suggesting
complete
absorption
from
formulation
MCT
when
with
canned
dog
food.
Language: Английский
Tolerability of 2 and 4 mg/kg Dosing Every 12 Hour of a Cannabidiol- and Cannabidiolic Acid-Rich Hemp Extract on Mixed-Breed Dogs Utilized for Teaching in a Closed Colony
Animals,
Journal Year:
2024,
Volume and Issue:
14(13), P. 1863 - 1863
Published: June 24, 2024
With
the
increase
in
popularity
of
utilizing
cannabidiol
(CBD)
for
human
ailments,
owners
are
actively
interested
possible
utilization
cannabinoid
products
their
pets.
The
evaluation
CBD-rich
hemp
as
an
anti-anxiolytic,
anti-inflammatory,
immunomodulator,
and
anti-epileptic
supplement
has
been
assessed
previous
studies
dogs,
with
adverse
events
such
ataxia
or
lethargy
noted.
In
this
study,
was
at
two
concentrations
to
ascertain
impact
on
behavior
well
tolerability
medication
given
a
typically
recommended
dose
then
twice
that
dose.
Eighteen
dogs
were
utilized
randomized,
double-blinded,
placebo-controlled,
3
×
designed
study.
Each
group
six
provided
placebo,
2
mg/kg,
4
mg/kg
cannabidiol/cannabidiolic
acid
(CBD/CBDA)-rich
two-week
intervals
one-week
washout
periods
between
each
treatment
period.
Throughout
10-week
period,
student
evaluations
performed,
simulating
clients’
subjective
assessments.
Improvements
anxiety-related
related
not
observed
may
indicate
behavioral
changes
require
higher
dosing
mitigate
unwanted
behaviors
normal,
healthy
dogs.
Furthermore,
serum
chemistry
cortisol
evaluated
after
period
showing
only
mildly
significant
alkaline
phosphatase
when
every
12
h,
which
is
consistent
previously
reported
CBD
these
concentrations.
Adverse
associated
CBD/CBDA-rich
extract
h
weeks
reported,
suggesting
using
young,
safe
during
treatment.
Language: Английский
Endocannabinoid system and phytocannabinoids in the main species of veterinary interest: a comparative review
Veterinary Research Communications,
Journal Year:
2024,
Volume and Issue:
48(5), P. 2915 - 2941
Published: Aug. 20, 2024
Since
the
discovery
of
endocannabinoid
system
and
due
to
empirical
evidence
therapeutic
effects
on
several
illnesses
both
in
humans
animals
that
follow
administration
exogenous
cannabinoids
(i.e.,
phytocannabinoids),
numerous
studies
have
been
conducted.
These
investigations
aimed
identify
expression
distribution
cannabinoid
receptors
healthy
pathologic
organs
tissues
different
animal
species
define
interactions
phytocannabinoids
with
these
receptors.
In
last
decade,
pharmacokinetics,
efficacy
tolerability
many
Cannabis
derivatives
formulations,
mainly
containing
cannabidiol,
main
veterinary
interest,
also
investigated.
This
manuscript
summarizes
findings
reported
by
scientific
published
so
far
molecular
mode
action
phytocannabinoids,
localization
tissues,
as
well
dogs,
cats,
horses
other
interest.
A
deep
knowledge
issues
is
crucial
for
use
purposes
species.
Language: Английский
Evaluation of the effect of cannabidiol administration with and without nonsteroidal anti-inflammatory drugs in dogs with mobility disorders: a prospective, double-blind, crossover, placebo-controlled study
Bryce Talsma,
No information about this author
Lindsay Elam,
No information about this author
Stephanie McGrath
No information about this author
et al.
Frontiers in Veterinary Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Sept. 25, 2024
Introduction
With
rapidly
growing
interest
in
the
use
of
cannabidiol
(CBD)
management
pain
and
other
conditions,
more
information
is
needed
on
safety
efficacy
this
supplement,
particularly
its
co-administration
with
commonly
used
pharmaceuticals
such
as
non-steroidal
anti-inflammatory
drugs
(NSAIDs).
This
study
sought
to
assess
effect
CBD
dogs
mobility
impairments,
well
evaluate
clinical
tolerance
together
NSAIDs.
Materials
methods
Forty-two
client-owned
diagnosed
impairments
were
enrolled
prospective,
double-blind,
crossover,
placebo-controlled
study.
Baseline
data
collected
for
10–14
days
followed
by
random
allocation
either
placebo
or
oil
45
a
30-day
washout
period
between.
was
dosed
at
5
mg/kg
orally
every
12
h
masked
administered
equal
volume.
Outcome
measures
included
objective
gait
analysis,
accelerometry,
metrology
instruments.
plasma
levels
serum
biochemistry
also
along
hepatic
ultrasound
if
warranted.
Results
Thirty-eight
finished
thirty-nine
least
partial
analysis.
Compared
baseline,
receiving
showed
evidence
improved
outcomes
based
blinded
veterinary
assessments
accelerometer
data.
placebo,
some
CBPI,
CSOM,
assessments,
but
not
outcome
measures.
There
increased
ALP
when
co-administered
NSAIDs
compared
administration
alone.
Additionally,
there
ALT
elevations
NSAID
co-administration,
elevation
did
show
an
increase
over
Discussion
These
results
suggest
potential
therapeutic
benefit
greater
seen
While
sample
size
that
received
further
work-up
liver
enzyme
small,
chosen
diagnostics
varied,
biopsies
performed,
appear
be
clinically
apparent
damage.
Further
research
better
understand
larger
population
patient
medications
long
term.
Language: Английский