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Furukawa Y, Hamza T, Cipriani A, Furukawa TA, Salanti G, Ostinelli EG. Optimal dose of aripiprazole for augmentation therapy of antidepressant-refractory depression: preliminary findings based on a systematic review and dose-effect meta-analysis. Br J Psychiatry 2022; 221:440-447. [PMID: 35049482 DOI: 10.1192/bjp.2021.165] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Aripiprazole augmentation is proven effective for antidepressant-refractory depression, but its licensed dose range is wide and optimal dosage remains unclear. AIMS To find the optimal dosage of aripiprazole augmentation. METHOD Multiple electronic databases were searched (from inception to 16 February 2021) to identify all assessor-masked randomised controlled trials evaluating aripiprazole augmentation therapy in adults (≥18 years old, both genders) with major depressive disorder showing inadequate response to at least one antidepressant treatment. A random-effects, one-stage dose-effect meta-analysis with restricted cubic splines was conducted. Outcomes were efficacy (treatment response: ≥50% reduction in depression severity), tolerability (drop-out due to adverse effects) and acceptability (drop-out for any reason) after 8 weeks of treatment (range 4-12 weeks). RESULTS Ten studies met the inclusion criteria. All were individually randomised, placebo-controlled, multi-centre, parallel studies including 2625 participants in total. The maximum target dose-efficacy curve showed an increase up to doses between 2 mg (odds ratio OR = 1.46, 95% CI 1.15-1.85) and 5 mg (OR = 1.93, 95% CI 1.33-2.81), and then a non-increasing trend through the higher licensed doses up to 20 mg (OR = 1.90, 95% CI 1.52-2.37). Tolerability showed a similar trend with greater uncertainty. Acceptability showed no significant difference through the examined dose range. Certainty of evidence was low to moderate. CONCLUSIONS Low-dose aripiprazole as augmentation treatment might achieve the optimal balance between efficacy, tolerability and acceptability in the acute treatment of antidepressant-refractory depression. However, the small number of included studies and the overall moderate to high risk of bias seriously compromise the reliability of the results. Further research is required to investigate the benefits of low versus high dose.
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Affiliation(s)
- Yuki Furukawa
- Tokyo Musashino Hospital, Japan; and Department of Neuropsychiatry, University of Tokyo Hospital, Japan
| | - Tasnim Hamza
- Institute of Social and Preventive Medicine, University of Bern, Switzerland
| | - Andrea Cipriani
- Department of Psychiatry, University of Oxford, UK; and Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
| | - Toshi A Furukawa
- Department of Health Promotion and Human Behavior, School of Public Health, Kyoto University Graduate School of Medicine, Japan
| | - Georgia Salanti
- Institute of Social and Preventive Medicine, University of Bern, Switzerland
| | - Edoardo G Ostinelli
- Department of Psychiatry, University of Oxford, UK; and Oxford Precision Psychiatry Lab, NIHR Oxford Health Biomedical Research Centre, Oxford, UK; and Oxford Health NHS Foundation Trust, Warneford Hospital, Oxford, UK
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Morton E, Bhat V, Giacobbe P, Lou W, Michalak EE, Chakrabarty T, Frey BN, Milev RV, Müller DJ, Parikh SV, Rotzinger S, Kennedy SH, Lam RW. Impacts on Quality of Life with Escitalopram Monotherapy and Aripiprazole Augmentation in Patients with Major Depressive Disorder: A CAN-BIND Report. PHARMACOPSYCHIATRY 2021; 54:225-231. [PMID: 33652477 DOI: 10.1055/a-1385-0263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Many individuals with major depressive disorder (MDD) do not respond to initial antidepressant monotherapy. Adjunctive aripiprazole is recommended for treatment non-response; however, the impacts on quality of life (QoL) for individuals who receive this second-line treatment strategy have not been described. METHODS We evaluated secondary QoL outcomes in patients with MDD (n=179). After 8 weeks of escitalopram, non-responders (<50% decrease in clinician-rated depression) were treated with adjunctive aripiprazole for 8 weeks (n=97); responders continued escitalopram (n=82). A repeated-measures ANOVA evaluated change in Quality of Life Enjoyment and Satisfaction Short Form scores. QoL was described relative to normative benchmarks. RESULTS Escitalopram responders experienced the most QoL improvements in the first treatment phase. For non-responders, QoL improved with a large effect during adjunctive aripiprazole treatment. At the endpoint, 47% of patients achieving symptomatic remission still had impaired QoL. DISCUSSION Individuals who were treated with adjunctive aripiprazole after non-response to escitalopram experienced improved QoL, but a substantial degree of QoL impairment persisted. Since QoL deficits may predict MDD recurrence, attention to ways to support this outcome is required.
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Affiliation(s)
- Emma Morton
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
| | - Venkat Bhat
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Peter Giacobbe
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Wendy Lou
- Dalla Lane School of Public Health, University of Toronto, ON, Canada
| | - Erin E Michalak
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
| | - Trisha Chakrabarty
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
| | - Benicio N Frey
- Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON, Canada
| | - Roumen V Milev
- Departments of Psychiatry and Psychology, Queen's University, Kingston, ON, Canada
| | - Daniel J Müller
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Sagar V Parikh
- Department of Psychiatry, University of Michigan, Ann Arbor, Michigan, USA
| | - Susan Rotzinger
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Sidney H Kennedy
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Raymond W Lam
- Department of Psychiatry, University of British Columbia, Vancouver, BC, Canada
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Serotonin-2B receptor antagonism increases the activity of dopamine and glutamate neurons in the presence of selective serotonin reuptake inhibition. Neuropsychopharmacology 2020; 45:2098-2105. [PMID: 32473594 PMCID: PMC7547697 DOI: 10.1038/s41386-020-0723-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 11/08/2022]
Abstract
Previous research has implicated the serotonin-2B (5-HT2B) receptor as a possible contributor to the antidepressant-like response. Aripiprazole has been successfully used in combination with selective serotonin reuptake inhibitors (SSRIs) in treatment-resistant depression and it, among all receptors, exhibits the highest affinity for the 5-HT2B receptor. However, the potential contribution of such an antagonistic action on 5-HT2B receptors in the context of adjunct therapy is not known. In vivo electrophysiological recordings of ventral tegmental area (VTA) dopamine (DA) neurons, dorsal raphe nucleus (DRN) 5-HT neurons and pyramidal neurons in the medial prefrontal cortex (mPFC), and the hippocampus were conducted in anaesthetized Sprague-Dawley rats after the administration of 5-HT2B receptor ligands alone or in combination with the SSRI escitalopram. An escitalopram-induced decrease in DA, but not 5-HT firing activity, was rescued by 2-day co-administration of the selective 5-HT2B receptor antagonist LY266097. In the mPFC, 14-day escitalopram administration alone had no effect on pyramidal neuron firing and burst activity, whereas, aripiprazole administered alone or in combination with escitalopram for 14 days increased pyramidal neuron firing and burst activity. Likewise, the administration of LY266097 alone or its addition on the last 3 days of a 14-day escitalopram regimen increased pyramidal neuron firing and burst activity. These results indicated that 5-HT2B receptors play, at least in part, a role in this enhancement. In the hippocampus, 5-HT2B receptor activation by BW723c86 decreased escitalopram-induced inhibition of 5-HT reuptake, which was reversed by a 5-HT2B receptor antagonist. Altogether, these results put into evidence the possibility that 5-HT2B receptor blockade contributes to the therapeutic effect of aripiprazole addition to SSRIs in depression.
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Chen P. Optimized Treatment Strategy for Depressive Disorder. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1180:201-217. [DOI: 10.1007/978-981-32-9271-0_11] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Epperly MW, Wipf P, Fisher R, Franicola D, Beumer J, Li S, Brand RM, Falo LD, Erdos G, Greenberger JS. Evaluation of Different Formulations and Routes for the Delivery of the Ionizing Radiation Mitigator GS-Nitroxide (JP4-039). In Vivo 2018; 32:1009-1023. [PMID: 30150422 PMCID: PMC6199586 DOI: 10.21873/invivo.11341] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/10/2018] [Accepted: 05/17/2018] [Indexed: 12/14/2022]
Abstract
BACKGROUND/AIM The mitochondrial targeted GS-nitroxide, JP4-039, is an effective total body irradiation (TBI) mitigator when delivered intravenously (IV) up to 72 h after exposure. Effective systemic and localized administration to oral cavity/oropharynx and esophagus has been demonstrated. The objective of the study was to establish alternatives to IV administration suitable for JP4-039 delivery to mass casualties. MATERIALS AND METHODS JP4-039 was administered to C57BL/6 mice by topically applied carboxy-methyl-cellulose microneedle arrays (MNAs) or by intramuscular (IM) injection. Three different formulations that have passed Food and Drug Administration review, namely Captisol, 2-hydroxypropyl-β-cyclodextrin (cyclodextrin), and Miglyol-812-N, were used for drug delivery. Intraoral (IO) administration with each formulation was also evaluated. RESULTS All tested formulations and MNAs successfully delivered JP4-039. However, IM delivery of the Miglyol-812-N displayed very efficient and highly reproducible radiation mitigation. CONCLUSION Effective IM delivery of JP4-039 in animal models after TBI or partial-body irradiation suggested the use of the Miglyol-812-N formulation in both medical indications and radiation countermeasures.
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Affiliation(s)
- Michael W Epperly
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Peter Wipf
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, U.S.A
- Department of Pharmaceutical Science, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Renee Fisher
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Darcy Franicola
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, U.S.A
| | - Jan Beumer
- Department of Pharmaceutical Science, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Song Li
- Department of Pharmaceutical Science, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Rhonda M Brand
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Louis D Falo
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Geza Erdos
- Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, U.S.A
| | - Joel S Greenberger
- Department of Radiation Oncology, UPMC Hillman Cancer Center, Pittsburgh, PA, U.S.A.
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