New Data Demonstrate RISPERDAL® CONSTA® (Risperidone) Long-Acting Treatment May Improve Health Outcomes and Reduce Hospitalizations in Patients with Schizophrenia
SAN FRANCISCO, May 19, 2009 - Schizophrenia is one of the most disabling diseases1, and frequent relapses and rehospitalization as a result of the disease place enormous burdens on patients, caregivers and society.2 According to two new studies, the use of
RISPERDAL® CONSTA® (risperidone) Long-Acting Treatment (RLAT) may improve clinical and functional outcomes and reduce rates of rehospitalization among patients with schizophrenia. Results of the studies were presented this week at a major medical meeting.
In an analysis of two prospective, observational two-year studies conducted in the U.S. and three other countries, RISPERDAL® CONSTA® consistently and significantly improved clinical and functional outcomes for patients with schizophrenia. Data were collected at baseline and at three-month intervals up to 24 months, and included the Clinical Global Impression of Illness Severity (CGI-S), which measures clinical effectiveness outcomes, the Global Assessment of Functioning (GAF), and healthcare resource utilization. Patients were enrolled in the U.S. (N=532), Spain (N=1345), Australia (N=784) and Belgium (N=408).
Across countries, patients treated with RISPERDAL® CONSTA® experienced significant improvements in both outcome measurements compared with baseline scores (p<0.001). Patients completing the two-year studies experienced approximately a 1-point reduction in the CGI-S score and approximately a 15-point improvement in the GAF score.3
"Helping patients to improve their functioning is a major goal of treatment for schizophrenia," said Riad Dirani, Ph.D., Director of Outcomes Research, Janssen, Division of Ortho-McNeil-Janssen Pharmaceuticals, Inc. "The findings of this analysis provide encouraging evidence of a functional improvement following treatment with long-acting therapy."
A separate observational retrospective analysis presented at the meeting suggested that patients with schizophrenia in the Veterans Affairs (VA) system who also suffered from other medical or psychiatric illnesses had fewer and shorter-duration psychiatric hospitalizations after the initiation of RISPERDAL® CONSTA®.
This analysis identified all VA patients with schizophrenia who began RISPERDAL® CONSTA® between October 1, 2005 and September 30, 2006 and received at least four (total) injections (N=924). The analysis compared changes in health services use between 12 months prior to and 12 months after initiation of RISPERDAL® CONSTA®. Results showed that between the pre- and post- RISPERDAL® CONSTA® initiation periods, the mean number of psychiatric hospitalizations and length of stay significantly decreased for patients with three or more concurrent illnesses, while psychiatric-related outpatient visits increased.4
"The results of this analysis suggest that long-acting therapy may reduce the need for repeated hospitalizations and improve everyday psychiatric follow-up among patients with complex medical histories," continued Dirani.
A limitation of these two studies is that they did not compare RISPERDAL® CONSTA® to placebo or other treatments.
The studies were presented and sponsored by Ortho-McNeil Janssen Scientific Affairs.
About Schizophrenia
According to the National Institute of Mental Health, an estimated one percent of the U.S. population suffers from schizophrenia - a brain disorder that impairs a person's ability to think clearly, relate to others and distinguish between reality and imagination. It typically develops in adolescence or the early 20s, although symptoms may not become immediately obvious.
RISPERDAL® CONSTA®
Risperidone long-acting treatment (RLAT) is a long-acting
injectable form of risperidone that was developed utilizing
Alkermes' proprietary Medisorb® drug-delivery technology. Using this technology, risperidone is
encapsulated in microspheres made of a biodegradable polymer, which
are suspended in a water-based solution and administered to
patients by intramuscular injection once every two weeks. RLAT is
manufactured by Alkermes, Inc. and marketed by Janssen, Division of
Ortho-McNeil-Janssen Pharmaceuticals, Inc. in the U.S. and
Janssen-Cilag outside of the U.S.
About Janssen
Janssen, Division of Ortho-McNeil-Janssen Pharmaceuticals, Inc., is
based in Titusville, N.J. and is the only large pharmaceutical
company in the U.S. dedicated solely to mental health. It currently
markets prescription medications for the treatment of
schizophrenia, bipolar mania and the treatment of symptoms
associated with autistic disorder. Ortho-McNeil-Janssen
Pharmaceuticals, Inc. is a member of the Johnson & Johnson
family of companies. For more information about Janssen®, visit
http://www.janssen.com/.
IMPORTANT SAFETY INFORMATION FOR CONSUMERS ABOUT RISPERDAL® CONSTA®
Elderly Patients with dementia-related psychosis
treated with antipsychotic drugs are at an increased risk of death
compared to placebo. RISPERDAL® CONSTA® (risperidone) is not approved for the treatment of patients with
dementia-related psychosis.
Neuroleptic Malignant Syndrome (NMS) is a rare and potentially
fatal side effect reported with
RISPERDAL® CONSTA®
and similar medicines. Call your doctor immediately if the person
being treated develops symptoms such as high fever; stiff muscles;
shaking; confusion; sweating; changes in pulse, heart rate, or
blood pressure; or muscle pain and weakness. Treatment should be
stopped if the person being treated has NMS.
Tardive Dyskinesia (TD) is a serious, sometimes permanent side
effect reported with
RISPERDAL® CONSTA®
and similar medications. TD includes uncontrollable movements of
the face, tongue, and other parts of the body. The risk of
developing TD and the chance that it will become permanent is
thought to increase with the length of therapy and the overall dose
taken by the patient. This condition can develop after a brief
period of therapy at low doses, although this is much less common.
There is no known treatment for TD, but it may go away partially or
completely if therapy is stopped.
High blood sugar and diabetes have been reported with RISPERDAL®
CONSTA® and similar medications. If the person being treated has
diabetes or risk factors such as being overweight or a family
history of diabetes, blood sugar testing should be performed at the
beginning and throughout treatment with
RISPERDAL® CONSTA®. Complications of diabetes can be serious and even life
threatening. If signs of high blood sugar or diabetes develop, such
as being thirsty all the time, going to the bathroom a lot, or
feeling weak or hungry, contact your doctor.
RISPERDAL® CONSTA®
and similar medications can raise the blood levels of a hormone
known as prolactin, causing a condition known as
hyperprolactinemia. Blood levels of prolactin remain elevated with
continued use. Some side effects seen with these medications
include the absence of a menstrual period; breasts producing milk;
the development of breasts by males; and the inability to achieve
an erection.
Some people taking
RISPERDAL® CONSTA®
may feel faint or lightheaded when they stand up or sit up too
quickly. By standing up or sitting up slowly and following your
healthcare professional's dosing instructions, this side effect can
be reduced or it may go away over time.
Problems with the blood have been reported with
RISPERDAL® CONSTA® and similar medications. Depending upon condition your doctor may
choose to monitor your blood as you start therapy with RISPERDAL® CONSTA®.
RISPERDAL® CONSTA®
may affect your alertness or driving ability; therefore, do not
drive or operate machinery before talking to your healthcare
professional.
RISPERDAL® CONSTA®
should be used cautiously in people with a seizure disorder, who
have had seizures in the past, or who have conditions that increase
their risk for seizures.
Painful, long lasting erections have been reported with the use of
RISPERDAL® CONSTA®. Call your doctor immediately if you think you are having this
problem.
Extrapyramidal Symptoms (EPS) are usually persistent movement
disorders or muscle disturbances, such as restlessness, tremors,
and muscle stiffness. If you observe any of these symptoms, talk to
your healthcare professional.
Inform your healthcare professional if you become pregnant or
intend to become pregnant during therapy with
RISPERDAL® CONSTA®. Caution should be exercised when administering
RISPERDAL® CONSTA®
to a nursing woman.
RISPERDAL® CONSTA®
may make you more sensitive to heat. You may have trouble cooling
off, or be more likely to become dehydrated, so take care when
exercising or when doing things that make you warm.
Some medications interact with
RISPERDAL® CONSTA®. Please inform your healthcare professional of any medications or
supplements that you are taking. Avoid alcohol while on
RISPERDAL® CONSTA®.
In a study of people taking
RISPERDAL® CONSTA®, the most common side effects in the treatment of schizophrenia
were headache, tremors, dizziness, restlessness, tiredness,
constipation, indigestion, sleepiness, weight gain, pain in the
limbs, and dry mouth.
In a study of people taking RISPERDAL CONSTA, the most common side
effects in the treatment of Bipolar I Disorder were weight gain
(when used alone) and tremors (when used with other medications).
If you have any questions about
RISPERDAL® CONSTA®
or your therapy, talk with your doctor.
IMPORTANT SAFETY INFORMATION FOR PROFESSIONALS
ABOUT RISPERDAL® CONSTA®
WARNING: Increased Mortality in Elderly Patients
with Dementia-Related Psychosis Elderly patients with
dementia-related psychosis treated with antipsychotic drugs are at
an increased risk of death. Analyses of 17 placebo-controlled
trials (modal duration of 10 weeks), largely in patients taking
atypical antipsychotic drugs, revealed a risk of death in the
drug-treated patients of between 1.6 to 1.7 times the risk of
death in placebo-treated patients. Over the course of a typical
10-week controlled trial, the rate of death in drug-treated
patients was about 4.5%, compared to a rate of about 2.6% in the
placebo group. Although the causes of death were varied, most of
the deaths appeared to be either cardiovascular (e.g., heart
failure, sudden death) or infectious (e.g., pneumonia) in nature.
Observational studies suggest that, similar to atypical
antipsychotic drugs, treatment with conventional antipsychotic
drugs may increase mortality. The extent to which the findings of
increased mortality in observational studies may be attributed to
the antipsychotic drug as opposed to some characteristic(s) of the
patients is not clear. RISPERDAL® CONSTA® (risperidone) is not approved for the treatment of patients with
dementia-related psychosis.
Cerebrovascular Adverse Events (CAEs): CAEs,
including fatalities, have been reported in elderly patients with
dementia-related psychosis taking oral risperidone in clinical
trials. The incidence of CAEs with risperidone was significantly
higher than with placebo.
RISPERDAL® CONSTA®
is not approved for the treatment of patients with dementia-related
psychosis.
Neuroleptic Malignant Syndrome (NMS): NMS, a
potentially fatal symptom complex, has been reported with the use
of antipsychotic medications, including
RISPERDAL® CONSTA®. Clinical manifestations include muscle rigidity, fever, altered
mental status and evidence of autonomic instability (see full
Prescribing Information). Management should include immediate
discontinuation of antipsychotic drugs and other drugs not
essential to concurrent therapy, intensive symptomatic treatment
and medical monitoring, and treatment of any concomitant serious
medical problems.
Tardive Dyskinesia (TD): TD is a syndrome of
potentially irreversible, involuntary, dyskinetic movements that
may develop in patients treated with antipsychotic medications. The
risk of developing TD and the likelihood that dyskinetic movements
will become irreversible are believed to increase with duration of
treatment and total cumulative dose. Elderly patients appeared to
be at increased risk for TD. Prescribing should be consistent with
the need to minimize the risk of TD. The syndrome may remit,
partially or completely, if antipsychotic treatment is withdrawn.
Hyperglycemia and Diabetes: Hyperglycemia, some
cases extreme and associated with ketoacidosis, hyperosmolar coma
or death has been reported in patients treated with atypical
antipsychotics (APS), including
RISPERDAL® CONSTA®. Patients starting treatment with APS who have or are at risk for
diabetes should undergo fasting blood glucose testing at the
beginning of and during treatment. Patients who develop symptoms of
hyperglycemia should also undergo fasting blood glucose testing.
Hyperprolactinemia: As with other drugs that
antagonize dopamine D2 receptors,
RISPERDAL® CONSTA®
elevates prolactin levels and the elevation persists during chronic
administration. Risperidone is associated with higher levels of
prolactin elevation than other antipsychotic agents.
Orthostatic Hypotension:
RISPERDAL® CONSTA®
may induce orthostatic hypotension associated with dizziness,
tachycardia, and in some patients, syncope, especially during the
initial dose-titration period. Monitoring should be considered in
patients for whom this may be of concern.
RISPERDAL® CONSTA®
should be used with caution in patients with known cardiovascular
disease, and conditions that would predispose patients to
hypotension.
Leukopenia, Neutropenia and Agranulocytosis has
been reported with antipsychotics, including risperidone. Patients
with a pre-existing low white blood cell count (WBC) or a history
of leukopenia/neutropenia should have frequent complete blood cell
counts during the first few months of therapy. At the first sign of
a decline in WBC and in the absence of other causative factors,
discontinuation of
RISPERDAL® CONSTA®
should be considered.
Potential for Cognitive and Motor Impairment:
RISPERDAL® CONSTA®
has the potential to impair judgment, thinking, or motor skills.
Patients should be cautioned about operating hazardous machinery,
including motor vehicles, until they are reasonably certain that
RISPERDAL® CONSTA®
does not affect them adversely.
Seizures:
RISPERDAL® CONSTA®
should be used cautiously in patients with a history of seizures or
with conditions that potentially lower seizure threshold.
Dysphagia: Esophageal dysmotility and aspiration
can occur. Use cautiously in patients at risk for aspiration
pneumonia.
Priapism has been reported. Severe priapism may
require surgical intervention.
Thrombotic Thrombocytopenic Purpura (TTP) has been
reported.
Administration: Care should be taken to avoid
inadvertent injection into a blood vessel.
Suicide: The possibility of suicide attempt is
inherent in schizophrenia or bipolar disorder. Close supervision of
high-risk patients should accompany drug therapy.
Increased sensitivity in patients with Parkinson's disease or those
with dementia with Lewy bodies has been reported. Manifestations
and features are consistent with NMS.
Use
RISPERDAL® CONSTA®
with caution in patients with conditions and medical conditions
that could affect metabolism or hemodynamic responses (e.g. recent
myocardial infarction or unstable cardiac disease).
Extrapyramidal Symptoms (EPS): The overall
incidence of EPS-related adverse events in patients with
schizophrenia treated with 25 mg and 50 mg of
RISPERDAL® CONSTA®
and placebo, respectively, were akathisia
*
(4%, 11%, 6%), Parkinsonism
†
(8%, 15%, 9%) and tremor (0%, 3%, 0%).
*
Akathisia and restlessness
†
Extrapyramidal disorder, musculoskeletal stiffness, muscle
rigidity, and bradykinesia
The overall incidence of EPS-related adverse events in patients
with Bipolar I Disorder treated with adjunctive therapy with
RISPERDAL® CONSTA®
and placebo respectively were Parkinsonism
**
(15% and 6%), tremor (24% and 16%), and dyskinesia
‡
(6% and 3%).
**
Muscle rigidity, hypokinesia, cogwheel rigidity, and bradykinesia
‡
Muscle twisting and dyskinesia
Weight Gain: In a 12-week trial in patients with
schizophrenia, the percentage of patients experiencing weight gain
(>7% of baseline body weight) was 6% placebo vs 9%
RISPERDAL® CONSTA®.
In a 24-month monotherapy trial in patients with Bipolar I
Disorder, the percentage of patients experiencing weight gain
(>7% of baseline body weight) was 2.8% placebo vs 11.6%
RISPERDAL® CONSTA®.
In a 52-week adjunctive therapy trial in patients with Bipolar I
Disorder, the percentage of patients experiencing weight gain
(>7% of baseline body weight) was 27.3% placebo vs 26.8%
RISPERDAL® CONSTA®.
Maintenance Treatment: Patients should be
periodically reassessed to determine the need for continued
treatment.
Commonly Observed Adverse Reactions for RISPERDAL® CONSTA®: The most common adverse reactions in clinical trials in
patients with schizophrenia (≥5%) were headache, Parkinsonism,
dizziness, akathisia, fatigue, constipation, dyspepsia, sedation,
weight increase, pain in extremities, and dry mouth.
The most common adverse reactions in clinical trials in patients
with Bipolar I Disorder were weight increased (5% in monotherapy
trial) and tremor and Parkinsonism (≥ 10% in adjunctive therapy
trial).
References
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