LYBALVI is approved in the
In this global, open-label extension study, 523 participants received at least one dose of LYBALVI and 35.9% of participants completed the four-year treatment period. The safety profile of LYBALVI was consistent with previous studies. Patients' symptoms of schizophrenia or bipolar I disorder remained stable with up to four years of treatment with LYBALVI, as measured by the Clinical Global Impression of Severity (CGI-S) scale (mean change from baseline in CGI-S score of -0.28). Long-term treatment with LYBALVI was associated with minimal changes in body weight (mean change from baseline of +1.47 kg) and waist circumference (observed mean change from baseline of +0.61 cm) with up to four years of treatment. Similarly, there were generally minimal changes in lipid and glycemic parameters, including HDL cholesterol, LDL cholesterol, triglycerides, fasting glucose and HbA1c over the measured time period. Overall, 60% of patients reported an adverse event (AE). The most common AEs reported (>5%) were weight gain, headache, anxiety, insomnia, somnolence, nausea and weight decrease; most AEs were mild to moderate in severity.
'As clinicians, we see firsthand the challenges that people living with complex mental health conditions may face in finding treatment options that work for them long term, in terms of both efficacy and tolerability,' said
'We are pleased to share the topline results from this long-term, open-label study. These data highlight the potential utility of LYBALVI as a foundational maintenance treatment option for people living with schizophrenia or bipolar I disorder and reinforce the safety profile of LYBALVI established in previous studies,' said
Alkermes expects to submit results from this open-label, long-term study to a peer-reviewed journal for publication and to present additional study results at upcoming scientific meetings.
Phase 3, Open-Label Study Design
This was a multicenter, phase 3, open-label extension study assessing the long-term safety, tolerability and durability of treatment effect of LYBALVI for up to four years. Patients were eligible to enroll within seven days of completing one of three antecedent phase 3 clinical trials investigating LYBALVI: the ENLIGHTEN-1 safety extension study; the ENLIGHTEN-2 safety extension study (rollover extensions of the ENLIGHTEN-1 and ENLIGHTEN-2 phase 3 pivotal randomized controlled trials in adults with schizophrenia) and the 12-week ENLIGHTEN-Early randomized controlled trial comparing LYBALVI to olanzapine in young adults with recent-onset schizophrenia, schizophreniform disorder, or bipolar I disorder. In this long-term extension study, patients continued their daily dose of LYBALVI (olanzapine 5-20 mg + samidorphan 10 mg) from their antecedent study for up to an additional four years, with dose adjustments determined by the investigator. A total of 524 patients enrolled in the study, and 523 received 1 dose of LYBALVI. Baseline was established based on these 523 patients and changes as compared to baseline were based on those patients who completed four years of open-label treatment with LYBALVI. Patients were mostly male (61.6%) and White (72.7%), with a mean age of 35.1 years. Safety assessments included changes from baseline in body weight and waist circumference and the incidence of adverse events (AEs). Changes in lipid (high-density lipoprotein [HDL], low-density lipoprotein [LDL], and total cholesterol and triglycerides) and glycemic (glucose and glycosylated hemoglobin [HbA1c]) parameters were evaluated. Antipsychotic efficacy was assessed using the Clinical Global Impressions-Severity (CGI-S) scale.
About Schizophrenia and Schizophreniform Disorder
Schizophrenia is a serious brain disorder marked by positive symptoms (hallucinations and delusions, disorganized speech and thoughts, and agitated or repeated movements) and negative symptoms (depression, blunted emotions and social withdrawal).1 Schizophrenia affects approximately 1.1% of the
About Bipolar I Disorder
Bipolar disorder is a brain disorder that is marked by extreme changes in a person's mood, energy and ability to function. Individuals with this brain disorder may experience debilitating mood states, including extreme highs (mania) and extreme lows (depression). Bipolar I disorder is characterized by the occurrence of at least one manic episode, with or without the occurrence of a major depressive episode, and affects approximately 1% of the adult population in
About LYBALVI (olanzapine and samidorphan)
LYBALVI (olanzapine and samidorphan) is a once-daily, oral atypical antipsychotic drug approved in the
About
Note Regarding Forward-Looking Statements
Certain statements set forth in this press release constitute 'forward-looking statements' within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, but not limited to, statements concerning the potential therapeutic and commercial value of LYBALVI for people living with schizophrenia or bipolar I disorder. The company cautions that forward-looking statements are inherently uncertain. Actual performance and results may differ materially from those expressed or implied in the forward-looking statements due to various risks and uncertainties. These risks and uncertainties include, among others: whether clinical results for LYBALVI will be predictive of future clinical results or real-world results; whether LYBALVI could be shown to be ineffective or unsafe and those risks and uncertainties described under the heading 'Risk Factors' in the company's Annual Report on Form 10-K for the year ended
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