Collegium Pharmaceutical, Inc. (Nasdaq:COLL) today announced the
publication of “Oral Human Abuse Potential of Oxycodone DETERx®
(Xtampza® ER),” in the peer-reviewed medical journal, The Journal
of Clinical Pharmacology.
The publication presents the results from a human abuse
potential (HAP) study, which was designed to evaluate the abuse
potential and pharmacokinetics of oral administration of intact
Xtampza® ER (oxycodone extended-release), oral administration of
chewed Xtampza ER, and oral administration of crushed
immediate-release oxycodone in non-dependent, recreational drug
abusers.
The study results demonstrated that chewed Xtampza ER had
significantly lower peak "Drug Liking" (Emax) when compared with
crushed immediate-release oxycodone (p < 0.0001). Furthermore,
there was no difference in the pharmacokinetics when Xtampza ER was
chewed or taken intact as determined by the bioequivalence
parameters (Cmax and AUC).
Dr. Ernest Kopecky, lead author on the publication and Vice
President of Clinical Development stated “Oral administration is
among the most widespread types of abuse, particularly for
oxycodone products. Because of the larger amounts of opioid in ER
formulations, drug abusers will often chew or crush a product to
decrease the time-to-onset and increase the magnitude of the
euphoric drug effects. The data from this study indicate that
chewing Xtampza ER does not compromise the extended-release profile
of the DETERx drug delivery system, thereby mitigating the
potential for increased drug liking after tampering and protecting
against dose dumping - the release of a potentially fatal, bolus
dose of oxycodone.”
Abuse of Xtampza ER by injection and by the nasal route of
administration, as well as by the oral route is still possible.
The following link will take you to the full publication:
Journal of Clinical Pharmacology.
About Collegium Pharmaceutical,
Inc.
Collegium is a specialty pharmaceutical company focused on
developing a portfolio of products that incorporate its proprietary
DETERx® technology platform for the treatment of chronic pain and
other diseases. The DETERx technology platform is designed to
provide extended-release delivery, unique abuse-deterrent
properties, and flexible dose administration options.
About Xtampza ER
Xtampza ER is Collegium’s first product utilizing the DETERx
technology platform. Xtampza ER is an abuse-deterrent,
extended-release, oral formulation of oxycodone approved by the FDA
for the management of pain severe enough to require daily,
around-the-clock, long-term opioid treatment and for which
alternative treatment options are inadequate.
LIMITATIONS OF USE
Because of the risks of addiction, abuse, and misuse with
opioids, even at recommended doses, and because of the greater
risks of overdose and death with extended-release opioid
formulations, reserve Xtampza ER for use in patients for whom
alternative treatment options (e.g., non-opioid analgesics or
immediate-release opioids) are ineffective, not tolerated, or would
be otherwise inadequate to provide sufficient management of
pain.
Xtampza ER is not indicated as an as-needed (prn) analgesic.
The Full Prescribing Information for Xtampza ER contains the
following Boxed Warning:
WARNING: ADDICTION, ABUSE, AND MISUSE;
LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION;
NEONATAL OPIOID WITHDRAWAL SYNDROME; and CYTOCHROME P450 3A4
INTERACTION
Addiction, Abuse, and Misuse Xtampza ER exposes
patients and other users to the risks of opioid addiction, abuse,
and misuse, which can lead to overdose and death. Assess each
patient’s risk prior to prescribing Xtampza ER and monitor all
patients regularly for the development of these behaviors or
conditions.
Life-Threatening Respiratory Depression
Serious, life-threatening, or fatal respiratory depression may
occur with use of Xtampza ER. Monitor for respiratory
depression, especially during initiation of Xtampza ER or following
a dose increase.
Accidental Ingestion Accidental ingestion of
even one dose of Xtampza ER, especially by children, can result in
a fatal overdose of oxycodone.
Neonatal Opioid Withdrawal Syndrome Prolonged
use of Xtampza ER during pregnancy can result in neonatal opioid
withdrawal syndrome, which may be life threatening if not
recognized and treated, and requires management according to
protocols developed by neonatology experts. If opioid use is
required for a prolonged period in a pregnant woman, advise the
patient of the risk of neonatal opioid withdrawal syndrome and
ensure that appropriate treatment will be available.
Cytochrome P450 3A4 Interaction The concomitant
use of Xtampza ER with all cytochrome P450 3A4 inhibitors may
result in an increase in oxycodone plasma concentrations, which
could increase or prolong adverse drug effects and may cause
potentially fatal respiratory depression. In addition,
discontinuation of a concomitantly used cytochrome P450 3A4 inducer
may result in an increase in oxycodone plasma concentration.
Monitor patients receiving Xtampza ER and any CYP3A4 inhibitor or
inducer.
IMPORTANT SAFETY INFORMATION
Xtampza ER is contraindicated in patients with: significant
respiratory depression; acute or severe bronchial asthma in an
unmonitored setting or in the absence of resuscitative equipment;
known or suspected gastrointestinal obstruction, including
paralytic ileus; and hypersensitivity (e.g., anaphylaxis) to
oxycodone.
Xtampza ER contains oxycodone, a Schedule II controlled
substance. As an opioid, Xtampza ER exposes users to the risks of
addiction, abuse, and misuse. As extended-release products, such as
Xtampza ER, deliver the opioid over an extended period of time,
there is a greater risk for overdose and death due to the larger
amount of oxycodone present.
Potential serious adverse events caused by opioids include
addiction, abuse, and misuse, life-threatening respiratory
depression, neonatal opioid withdrawal syndrome, risks of
concomitant use or discontinuation of cytochrome P450 3A4
inhibitors and inducers, risks due to interactions with central
nervous system depressants, risk of life-threatening respiratory
depression in patients with chronic pulmonary disease or in
elderly, cachectic, or debilitated patients, adrenal insufficiency,
severe hypotension, risks of use in patients with increased
intracranial pressure, brain tumors, head injury, or impaired
consciousness, risks of use in patients with gastrointestinal
conditions, risk of use in patients with seizure disorders,
withdrawal, risks of driving and operating machinery, and
laboratory monitoring.
The most common AEs (>5%) reported by patients in the Phase 3
clinical trial during the titration phase were: nausea
(16.6%), headache (13.9%), constipation (13.0%), somnolence (8.8%),
pruritus (7.4%), vomiting (6.4%), and dizziness (5.7%).
For Important Safety Information visit including full
prescribing information visit: http://www.xtampzaer.com/
Forward-Looking StatementsThis press release
contains forward-looking statements within the meaning of The
Private Securities Litigation Reform Act of 1995. We may, in some
cases, use terms such as "predicts," "believes," "potential,"
"proposed," "continue," "estimates," "anticipates," "expects,"
"plans," "intends," "may," "could," "might," "should" or other
words that convey uncertainty of future events or outcomes to
identify these forward-looking statements. Such statements are
subject to numerous important factors, risks and uncertainties that
may cause actual events or results to differ materially from the
company's current expectations. Management's expectations and,
therefore, any forward-looking statements in this press release
could also be affected by risks and uncertainties relating to a
number of other factors, including the following: our ability to
commercialize our products and product candidates; the existence of
any patent infringement or similar litigation relating to any of
our products or product candidates, and costs and delays associated
with such litigation; the size and growth potential of the markets
for our product and product candidates, and our ability to service
those markets; our ability to develop sales and marketing
capabilities, whether alone or with potential future collaborators;
the rate and degree of market acceptance of our product and product
candidates; the success, cost and timing of our product development
activities, studies and clinical trials; the success of competing
products that are or become available; and our expectations
regarding our ability to obtain and adequately maintain sufficient
intellectual property protection for our product candidates. These
and other risks are described under the heading "Risk Factors" in
our Annual Report on Form 10-K for the year ended December 31,
2015, and those risks described from time to time in other reports
which we file with the SEC. Any forward-looking statements that we
make in this press release speak only as of the date of this press
release. We assume no obligation to update our forward-looking
statements whether as a result of new information, future events or
otherwise, after the date of this press release.
Contact:
Douglas Carlson
Vice President, Corporate Development
dcarlson@collegiumpharma.com
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