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Safety and Tolerability of Cariprazine for the Adjunctive Treatment of Major Depressive Disorder: A Pooled Analysis of Phase 2B and 3 Clinical Trials
- Michael E. Thase, Paul P. Yeung, Arlene Hankinson, Meng Liu, Ludmyla Rekeda, Willie R. Earley
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- Journal:
- CNS Spectrums / Volume 28 / Issue 2 / April 2023
- Published online by Cambridge University Press:
- 14 April 2023, pp. 255-256
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Background
Cariprazine has been shown to be efficacious in placebo-controlled clinical trials. In this pooled analysis, the safety of cariprazine in patients with major depressive disorder (MDD) with inadequate response to antidepressants was evaluated using data from placebo-controlled studies of up to 8 weeks’ duration and a long-term open-label safety study.
MethodsThe safety, tolerability, and efficacy of cariprazine as an adjunctive treatment for patients with MDD with inadequate response to antidepressant alone was assessed in five placebo-controlled studies (two 6-week fixed-dose studies [NCT03738215; NCT03739203] and three 8-week flexible-dose studies [NCT00854100; NCT01715805; NCT01469377]) and one 26-week open-label flexible-dose study (NCT01838876). Fixed doses of cariprazine 1.5 and 3 mg/d and flexible doses of 0.1-4.5 mg/d were evaluated. Safety assessments included adverse event (AE) reporting, clinical laboratory tests, weight and other vital signs, and suicide evaluation with Columbia-Suicide Severity Rating Scale (C-SSRS). Pooled analyses of the incidence of safety endpoints overall and within each treatment arm were performed using the most frequent (modal) daily dose taken by patients during the study.
ResultsA total of 2,222 MDD patients with an ongoing antidepressant received treatment with cariprazine, representing 370 patient-years of exposure in placebo-controlled and open-label studies. In the placebo-controlled studies, 1,969 patients were randomized to cariprazine (dose range, 0.1–4.5 mg/d) and 1,108 patients were randomized to placebo. Overall, treatment-emergent AEs occurred in 61% of cariprazine- and 48% of placebo-treated patients; discontinuation due to an AE occurred with 6% of cariprazine- and 2% of placebo-treated patients. The 2 AEs that occurred in at least 5% of cariprazine-treated patients and at a rate at least twice the rate in placebo-treated patients were akathisia (cariprazine=11%; placebo=2%) and restlessness (cariprazine=6%; placebo=2%). Changes in metabolic parameters, including shifts in fasting glucose and lipid parameters, were similar in cariprazine- and placebo-treated patients. In the long-term safety study, mean weight change was 1.6 kg over 6 months. In the placebo-controlled and long-term studies, other safety endpoints including laboratory and C-SSRS assessments of suicidality were generally consistent with the safety profile of cariprazine in approved indications of bipolar disorder and schizophrenia.
ConclusionCariprazine is generally safe and well-tolerated in MDD patients with inadequate response to antidepressant monotherapy. Safety analysis of 2,222 cariprazine-treated patients with MDD revealed no new safety signals, and the data is consistent with the currently approved prescribing information.
FundingAbbVie
The efficacy of cariprazine on cognition: a post hoc analysis from phase II/III clinical trials in bipolar mania, bipolar depression, and schizophrenia
- Roger S. McIntyre, David G. Daniel, Eduard Vieta, István Laszlovszky, Pascal J. Goetghebeur, Willie R. Earley, Mehul D. Patel
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- Journal:
- CNS Spectrums / Volume 28 / Issue 3 / June 2023
- Published online by Cambridge University Press:
- 23 February 2022, pp. 319-330
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Objective
To investigate the effect of cariprazine on cognitive symptom change across bipolar I disorder and schizophrenia.
MethodsPost hoc analyses of 3- to 8-week pivotal studies in bipolar I depression and mania were conducted; one schizophrenia trial including the Cognitive Drug Research System attention battery was also analyzed. Outcomes of interest: Montgomery-Åsberg Depression Rating Scale [MADRS], Functioning Assessment Short Test [FAST], Positive and Negative Syndrome Scale [PANSS]). LSMDs in change from baseline to end of study were reported in the overall intent-to-treat population and in patient subsets with specified levels of baseline cognitive symptoms or performance.
ResultsIn patients with bipolar depression and at least mild cognitive symptoms, LSMDs were statistically significant for cariprazine vs placebo on MADRS item 6 (3 studies; 1.5 mg=−0.5 [P<.001]; 3 mg/d=−0.2 [P<.05]) and on the FAST Cognitive subscale (1 study; 1.5 mg/d=−1.4; P=.0039). In patients with bipolar mania and at least mild cognitive symptoms, the LSMD in PANSS Cognitive subscale score was statistically significant for cariprazine vs placebo (3 studies; −2.1; P=.001). In patients with schizophrenia and high cognitive impairment, improvement in power of attention was observed for cariprazine 3 mg/d vs placebo (P=.0080), but not for cariprazine 6 mg/d; improvement in continuity of attention was observed for cariprazine 3 mg/d (P=.0012) and 6 mg/d (P=.0073).
ConclusionThese post hoc analyses provide preliminary evidence of greater improvements for cariprazine vs placebo across cognitive measures in patients with bipolar I depression and mania, and schizophrenia, suggesting potential benefits for cariprazine in treating cognitive symptoms.
Disentangling the symptoms of schizophrenia: Network analysis in acute phase patients and in patients with predominant negative symptoms
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- Koen Demyttenaere, Nicolas Leenaerts, Károly Acsai, Barbara Sebe, István Laszlovszky, Ágota Barabássy, Laura Fonticoli, Balázs Szatmári, Willie Earley, György Németh, Christoph U. Correll
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- Journal:
- European Psychiatry / Volume 65 / Issue 1 / 2022
- Published online by Cambridge University Press:
- 13 October 2021, e18
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Background
The Positive and Negative Syndrome Scale (PANSS) is widely used in schizophrenia and has been divided into distinct factors (5-factor models) and subfactors. Network analyses are newer in psychiatry and can help to better understand the relationships and interactions between the symptoms of a psychiatric disorder. The aim of this study was threefold: (a) to evaluate connections between schizophrenia symptoms in two populations of patients (patients in the acutely exacerbated phase of schizophrenia and patients with predominant negative symptoms [PNS]), (b) to test whether network analyses support the Mohr 5 factor model of the PANSS and the Kahn 2 factor model of negative symptoms, and finally (c) to identify the most central symptoms in the two populations.
MethodsUsing pooled baseline data from four cariprazine clinical trials in patients with acute exacerbation of schizophrenia (n = 2193) and the cariprazine–risperidone study in patients with PNS (n = 460), separate network analyses were performed. Network structures were estimated for all 30 items of the PANSS.
ResultsWhile negative symptoms in patients with an acute exacerbation of schizophrenia are correlated with other PANSS symptoms, these negative symptoms are not correlated with other PANSS symptoms in patients with PNS. The Mohr factors were partially reflected in the network analyses. The two most central symptoms (largest node strength) were delusions and uncooperativeness in acute phase patients and hostility and delusions in patients with PNS.
ConclusionsThis network analysis suggests that symptoms of schizophrenia are differently structured in acute and PNS patients. While in the former, negative symptoms are mainly secondary, in patients with PNS, they are mainly primary. Further, primary negative symptoms are better conceptualized as distinct negative symptom dimensions of the PANSS.
Effects of Cariprazine on Cognition in Patients With Bipolar Mania or Mixed States: Post Hoc Analysis From 3 Randomized, Controlled Phase III Studies
- Roger S. Mcintyre, Eduard Vieta, Willie Earley, Mehul Patel
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- Journal:
- CNS Spectrums / Volume 26 / Issue 2 / April 2021
- Published online by Cambridge University Press:
- 10 May 2021, p. 182
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Introduction
Cariprazine, a dopamine D3-preferring D3/D2 and serotonin 5-HT1A receptor partial agonist, is approved for the treatment of schizophrenia and for depressive, manic, or mixed episodes associated with bipolar I disorder. Previous post hoc analyses have demonstrated that cariprazine was effective versus placebo for improving cognitive symptoms in patients with schizophrenia or bipolar depression. This post hoc analysis evaluated the effects of cariprazine on cognitive symptoms in patients with acute manic or mixed bipolar episodes.
MethodsData from 3 phase II/III, randomized, double-blind, placebo-controlled studies in patients with manic or mixed episodes associated with bipolar I disorder (NCT00488618, NCT01058096, NCT01058668) were pooled and analyzed. Patients were randomized to placebo or flexibly dosed cariprazine (3-12 mg/d, 3-6 mg/d, or 6-12 mg/d [1 study only]) for 3 weeks of double-blind treatment; all dose groups were combined for the pooled analysis. Cognitive symptoms were assessed using the Positive and Negative Syndrome Scale (PANSS) Cognitive subscale (sum of PANSS items P2, N5, N7, G10, G11); a score of 15 or greater at baseline indicated the presence of cognitive symptoms. Mean changes from baseline to week 3 in PANSS cognitive subscale/item scores and Young Mania Rating Scale (YMRS) total score were evaluated in the overall intent-to-treat (ITT) population and in the subgroup of patients with baseline cognitive symptoms. A mixed-effects model for repeated measures (MMRM) was used to impute missing values.
ResultsOf the 1012 patients in the ITT population, 174 (placebo=71; cariprazine=103) had a PANSS Cognitive subscale score of 15 or greater at baseline. At week 3, the cariprazine group demonstrated significantly greater mean improvement than the placebo group on PANSS cognitive subscale scores in both the ITT population (−2.2 vs −1.3; P<.0001) and the subgroup with baseline cognitive symptoms (−4.0 vs −1.9; P=.0002). In patients with baseline cognitive symptoms, improvement was significantly greater for cariprazine- versus placebo-treated patients on YMRS total score (−16.7 vs −8.2; P<.0001) and the individual PANSS cognitive subscale items of conceptual disorganization (−1.1 vs −0.5; P=.0004), difficulty in abstract thinking (−0.8 vs −0.3; P=.0044), stereotyped thinking (−0.3 vs −0.1; P=.0350), and poor attention (−1.1 vs −0.6; P=.0043).
ConclusionIn patients with manic or mixed episodes associated with bipolar I disorder, cariprazine versus placebo was effective in improving cognitive symptoms in the overall patient population as well as in patients with baseline cognitive symptoms. In addition, cariprazine versus placebo also demonstrated efficacy in improving manic symptoms in patients with baseline cognitive symptoms. These results suggest that cariprazine may provide benefits for the treatment of cognitive symptoms in patients with bipolar I mania.
FundingAbbVie Inc.
156 The Broad Efficacy of Cariprazine Across Symptoms in Patients with Bipolar I Disorder: Post Hoc Analysis of Randomized, Placebo-Controlled Trials
- Lakshmi N. Yatham, Eduard Vieta, Roger S. McIntyre, Rakesh Jain, Willie R. Earley, Mehul Patel
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- Journal:
- CNS Spectrums / Volume 25 / Issue 2 / April 2020
- Published online by Cambridge University Press:
- 24 April 2020, p. 300
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Study Objective:
Patients with bipolar disorder experience a wide range of depressive and manic symptoms. Only 2 drugs are FDA-approved to treat episodes of both mania and depression in patients with bipolar disorder, highlighting the need for treatments with proven efficacy at opposite poles of the bipolar spectrum. Cariprazine, a dopamine D3-preferring D3/D2 receptor partial agonist and serotonin 5-HT1A receptor partial agonist, is approved in the US for the treatment of both bipolar depression and manic and mixed episodes associated with bipolar I disorder. Cariprazine has previously demonstrated broad efficacy in patients with bipolar mania, with significantly greater improvement in favor of cariprazine vs placebo (PBO) across all individual symptom domains (P<.001) measured by the Young Mania Rating Scale (YMRS). Additionally, cariprazine has demonstrated efficacy vs PBO in 3 phase II/III clinical studies in patients with depressive episodes associated with bipolar I disorder (NCT01396447, NCT02670538, NCT02670551). To further assess the broad efficacy of cariprazine in patients with bipolar I disorder, we performed post hoc analyses to evaluate the range of depressive symptoms comprising the individual items of the Montgomery-Åsberg Depression Rating Scale (MADRS) in patients from the bipolar depression studies.
Methods:Data from the 3 randomized, double-blind, PBO-controlled trials in patients with bipolar depression were pooled. Least squares (LS) mean change from baseline to week 6 in MADRS individual items was assessed in the pooled cariprazine 1.5 and 3 mg/d groups vs PBO using a mixed-effects model for repeated measures in the intent-to-treat (ITT) population.
Results:There were 1383 patients in the ITT population (placebo=460; cariprazine 1.5-3 mg/d=923). At week 6, LS mean change from baseline was significantly greater for cariprazine 1.5-3 mg/d vs PBO on 9 of 10 individual MADRS items: Apparent Sadness (-2.0 vs -1.6, P<.0001); Reported Sadness (-2.0 vs -1.6, P<.0001); Reduced Sleep (-1.6 vs -1.4, P=.0357); Reduced Appetite (-1.2 vs -1.0, P=.0001); Concentration Difficulties (-1.5 vs -1.2, P=.0002); Lassitude (-1.7 vs -1.4, P=.0003); Inability To Feel (-1.7 vs -1.5, P=.0009); Pessimistic Thoughts (-1.4 vs -1.2, P=.0054) and Suicidal Thoughts (-0.3 vs -0.2, P=.0383); differences between cariprazine and PBO on the Inner Tension item were not significant.
Conclusions:Significant improvement in most MADRS single items suggests broad efficacy in depressive symptoms for cariprazine 1.5-3 mg/d vs PBO in patients with bipolar depression. Coupled with broad efficacy in manic symptoms as demonstrated by significant improvement in all YMRS individual items in patients with bipolar mania or mixed episodes, cariprazine appears be effective across the range of symptoms that affect patients with bipolar disorder.
Funding Acknowledgements:Supported by Allergan plc.
145 Incidence and Characteristics of Akathisia and Restlessness During Cariprazine Treatment for Bipolar I Disorder
- Leslie Citrome, Lakshmi N. Yatham, Mehul Patel, Willie R. Earley
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- CNS Spectrums / Volume 25 / Issue 2 / April 2020
- Published online by Cambridge University Press:
- 24 April 2020, p. 292
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Study Objective:
Akathisia and restlessness are common adverse events associated with atypical antipsychotic use; in severe cases, symptoms may lead to treatment discontinuation. Cariprazine, a dopamine D3/D2 receptor partial agonist with preferential binding to D3 receptors, is approved for the treatment of schizophrenia (1.5–6 mg/d), and manic or mixed (3–6 mg/d) and depressive episodes (1.5–3 mg/d) associated with bipolar I disorder. Pooled post hoc analyses were conducted to characterize the incidence and severity of cariprazine-related akathisia and restlessness in patients who participated in bipolar disorder studies.
Method:All studies were Phase II/III multicenter, randomized, double-blind, placebo-controlled, parallel-group studies in patients with bipolar I disorder who were currently experiencing a manic/mixed (NCT00488618, NCT01058096, NCT01058668) or depressive (NCT01396447, NCT02670538, NCT02670551) mood episode. Patients received flexibly dosed cariprazine 3-12 mg/d (day 1: 1.5 mg; day 2: 3 mg; subsequent up-titration in 3-mg increments if needed) or placebo in the bipolar mania studies and fixed-dose cariprazine 1.5 mg/d, 3 mg/d (slow titration to 1.5 mg [day 8] and 3 mg [day 15] or initiation at 1.5 mg with escalation to 3 mg on day 15), or placebo in the bipolar depression studies. The incidence, severity, and timing of treatment-emergent adverse events (TEAEs) of akathisia and restlessness were evaluated in this analysis.
Results:In the bipolar mania studies (N=1065), TEAEs of akathisia occurred in 20.2% of cariprazine-treated patients and 4.8% of placebo-treated patients; 2.4% of cariprazine-treated patients discontinued due to akathisia. TEAEs of restlessness occurred in 6.7% and 2.3% of cariprazine- and placebo-treated patients, respectively, and caused discontinuation of 0.3% of cariprazine-treated patients. In the bipolar depression studies (N=1407), akathisia occurred in 2.1%, 5.5%, and 9.6% of patients in the placebo, cariprazine 1.5 mg/d, and cariprazine 3 mg/d groups, respectively; <2% of patients in each group discontinued due to akathisia. Restlessness occurred in 3.2% of placebo-treated patients and 2.1% and 6.6% of patients in the 1.5 and 3 mg/d groups, respectively; discontinuations due to restlessness occurred in 0.2% and 1.1% of patients in the 1.5 and 3 mg/d groups. Akathisia and restlessness in cariprazine-treated patients was generally mild or moderate in severity (>92% in both populations). Most akathisia events in the bipolar mania studies were reported for the first time within the first 2-3 weeks of treatment.
Conclusions:In these post hoc analyses, the incidence of akathisia and restlessness were generally higher with cariprazine than with placebo. However, most incidences were mild or moderate in severity, and infrequently led to discontinuation. Akathisia appears to be dose related in both mania and depression, suggesting lower doses and slower titration may reduce occurrence.
Funding Acknowledgements:Allergan plc.
Cariprazine efficacy in bipolar I depression with and without concurrent manic symptoms: post hoc analysis of 3 randomized, placebo-controlled studies
- Roger S. McIntyre, Trisha Suppes, Willie Earley, Mehul Patel, Stephen M. Stahl
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- CNS Spectrums / Volume 25 / Issue 4 / August 2020
- Published online by Cambridge University Press:
- 02 October 2019, pp. 502-510
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Objective.
Mixed presentations, defined by simultaneous occurrence of depressive and manic symptoms, are difficult to treat. Antidepressants, although commonly used, have weak evidence of efficacy and may increase risk of mood destabilization. The aim of this pooled post hoc analysis was to evaluate the efficacy of cariprazine in the treatment of bipolar depression with or without concurrent manic symptoms.
Methods.Patients from 3 randomized, double-blind, placebo-controlled studies who met DSM-IV-TR or DSM-5 criteria for bipolar I disorder with a current major depressive episode were identified to have concurrent manic symptoms by baseline Young Mania Rating Scale total score ≥4. Efficacy was assessed in cariprazine 1.5 and 3 mg/day dose groups versus placebo; analyses included the least squares mean change from baseline to week 6 in Montgomery-Åsberg Depression Rating Scale (MADRS) total score.
Results.Of 1383 patients randomized to treatment, 808 (58.4%) had concurrent manic symptoms. For patients with manic symptoms, mean reduction in MADRS total score from baseline to week 6 was significantly greater for both cariprazine 1.5 and 3 mg/day compared with placebo, with least squares mean differences (LSMDs) versus placebo of −2.5 (p = .0033) and −2.9 (p = .0010), respectively; for patients without manic symptoms, the LSMD was significant for 1.5 mg/day (−3.3; p = .0008), but not for 3 mg/day (−1.9; p = .0562).
Conclusion.The results of this post hoc analysis suggest that cariprazine may be an appropriate treatment option for patients with bipolar I depression with or without manic symptoms, with higher doses potentially more effective in patients with manic symptoms.
The efficacy of cariprazine in negative symptoms of schizophrenia: Post hoc analyses of PANSS individual items and PANSS-derived factors
- Wolfgang Fleischhacker, Silvana Galderisi, István Laszlovszky, Balázs Szatmári, Ágota Barabássy, Károly Acsai, Erzsébet Szalai, Judit Harsányi, Willie Earley, Mehul Patel, György Németh
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- Journal:
- European Psychiatry / Volume 58 / May 2019
- Published online by Cambridge University Press:
- 07 February 2019, pp. 1-9
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Background:
Negative symptoms in schizophrenia are heterogeneous and multidimensional; effective treatments are lacking. Cariprazine, a dopamine D3-preferring D3/D2 receptor partial agonist and serotonin 5-HT1A receptor partial agonist, was significantly more effective than risperidone in treating negative symptoms in a prospectively designed trial in patients with schizophrenia and persistent, predominant negative symptoms.
Methods:Using post hoc analyses, we evaluated change from baseline at week 26 in individual items of the Positive and Negative Syndrome Scale (PANSS) and PANSS-derived factor models using a mixed-effects model for repeated measures (MMRM) in the intent-to-treat (ITT) population (cariprazine = 227; risperidone = 227).
Results:Change from baseline was significantly different in favor of cariprazine versus risperidone on PANSS items N1-N5 (blunted affect, emotional withdrawal, poor rapport, passive/apathetic social withdrawal, difficulty in abstract thinking) (P <.05), but not on N6 (lack of spontaneity/flow of conversation) or N7 (stereotyped thinking). On all PANSS-derived negative symptom factor models evaluated (PANSS-Factor Score for Negative Symptoms, Liemburg factors, Khan factors, Pentagonal Structure Model Negative Symptom factor), statistically significant improvement was demonstrated for cariprazine versus risperidone (P <.01). Small and similar changes in positive/depressive/EPS symptoms suggested that negative symptom improvement was not pseudospecific. Change from baseline was significantly different for cariprazine versus risperidone on PANSS-based factors evaluating other relevant symptom domains (disorganized thoughts, prosocial function, cognition; P <.05).
Conclusions:Since items representing different negative symptom dimensions may represent different fundamental pathophysiological mechanisms, significant improvement versus risperidone on most PANSS Negative Subscale items and across all PANSS-derived factors suggests broad-spectrum efficacy for cariprazine in treating negative symptoms of schizophrenia.