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Perrin E, Anand E, Dyachkova Y, Wagner T, Frediani S, Ballerini A. A prospective, observational study of the safety and effectiveness of intramuscular psychotropic treatment in acutely agitated patients with schizophrenia and bipolar mania. Eur Psychiatry 2020; 27:234-9. [DOI: 10.1016/j.eurpsy.2010.04.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2009] [Revised: 03/04/2010] [Accepted: 04/04/2010] [Indexed: 11/15/2022] Open
Abstract
AbstractThis naturalistic, observational pan-European study assessed the safety and early effectiveness of intramuscular (IM) psychotropic treatments in patients with acute agitation suffering from schizophrenia or bipolar mania. One thousand nine hundred and forty of 1945 patients completed the 24-hour observation period after initial IM treatment. Patients from 12 European countries were included (mean age 39 years; 58% male, 66% schizophrenia). IM treatment was at the physician's discretion. The primary objective was to describe the acute tolerability of IM psychotropic therapies in clinical practice, with particular emphasis on EPS. At baseline, 68% of the patients received IM monotherapy, with IM olanzapine most commonly prescribed (36%). During the first 24hours, 190 (9.8%) patients experienced EPS. The occurrence of EPS was statistically significantly lower in patients treated with IM olanzapine compared to those treated with other IM psychotropic medications (mainly typical antipsychotics and benzodiazepines): acute dystonia: 1.1%, 95% CI 0.5–2.3 and 2.9%, CI 2.0–4.0; akathisia: 2.3%, CI 1.3–3.7 and 5.5%, CI 4.3–6.9; Parkinsonism: 2.9%, CI 1.8–4.4 and 7.8%, CI 6.4–9.4, respectively. Anticholinergic treatment was given to 12% IM olanzapine versus 31% non-olanzapine treated patients. Acute agitation after 24hours was reduced by 1.68 (95% CI 1.46–1.91) points on the Clinical Global Impression of Severity (CGI-S) in IM olanzapine patients and 1.51 (95% CI 1.30–1.73) points in non-olanzapine patients. Additional psychotropic medication was required for 90% of the patients during the first 24hours of treatment. Results provide naturalistic evidence for low EPS rates and improvement of agitation with IM psychotropic medications during acute states of patients suffering from acute mania or schizophrenia.
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Cuomo A, Ballerini A, Bruni AC, Decina P, Di Sciascio G, Fiorentini A, Scaglione F, Vampini C, Fagiolini A. Clinical guidance for the use of trazodone in major depressive disorder and concomitant conditions: pharmacology and clinical practice. RIVISTA DI PSICHIATRIA 2019; 54:137-149. [PMID: 31379379 DOI: 10.1708/3202.31796] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
AIM To provide a review of the clinically relevant evidence pertaining to the use of trazodone in major depressive disorder. METHODS Medline and Cochrane Library searches were searched using the keywords 'trazodone' AND 'depression', to identify the most relevant literature pertinent to the pharmacological properties of trazodone and its use in clinical practice. Articles that were selected included basic pharmacology papers, clinical trials, clinical practice guidelines, and reviews. Related references were cross checked. European and United States prescribing information was reviewed as well. An effort was made to give weight to the information that was most relevant for daily clinical practice. RESULTS Trazodone is an antidepressant with a mechanism of action that remains innovative and with a favorable profile for the treatment of depression. The appropriate antidepressant doses are usually 150-300 mg/day and are often higher than the doses that are used when trazodone is prescribed to augment the antidepressant effect of another medication, for instance when trazodone is prescribed to address insomnia in a patient treated with an SSRI. Trazodone is usually well tolerated and has a low risk of anticholinergic side effects, weight gain and sexual side effects. DISCUSSION Trazodone is an established medication that is efficacious for the treatment of a broad array of depressive symptoms, including symptoms that are less likely to respond to other antidepressants (e.g. SSRI), such as insomnia. As an antidepressant, trazodone has proven as efficacious as the tricyclic and second-generation antidepressants and is tolerated relatively well. Trazodone may be helpful for patients with major depression and comorbid insomnia, anxiety or psychomotor agitation. CONCLUSIONS Trazodone is efficacious antidepressants with a relatively low risks of side effects such as weight gain, sexual or anticholinergic effects (such as constipation, urinary retention, dry mouth). In addition to being able to control a wide range of depressive symptoms, trazodone may improve sleep and be particularly helpful for patients whose symptoms of depression include insomnia.
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Pons-Faudoa FP, Ballerini A, Sakamoto J, Grattoni A. Advanced implantable drug delivery technologies: transforming the clinical landscape of therapeutics for chronic diseases. Biomed Microdevices 2019; 21:47. [PMID: 31104136 PMCID: PMC7161312 DOI: 10.1007/s10544-019-0389-6] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Chronic diseases account for the majority of all deaths worldwide, and their prevalence is expected to escalate in the next 10 years. Because chronic disorders require long-term therapy, the healthcare system must address the needs of an increasing number of patients. The use of new drug administration routes, specifically implantable drug delivery devices, has the potential to reduce treatment-monitoring clinical visits and follow-ups with healthcare providers. Also, implantable drug delivery devices can be designed to maintain drug concentrations in the therapeutic window to achieve controlled, continuous release of therapeutics over extended periods, eliminating the risk of patient non-compliance to oral treatment. A higher local drug concentration can be achieved if the device is implanted in the affected tissue, reducing systemic adverse side effects and decreasing the challenges and discomfort of parenteral treatment. Although implantable drug delivery devices have existed for some time, interest in their therapeutic potential is growing, with a global market expected to reach over $12 billion USD by 2018. This review discusses implantable drug delivery technologies in an advanced stage of development or in clinical use and focuses on the state-of-the-art of reservoir-based implants including pumps, electromechanical systems, and polymers, sites of implantation and side effects, and deployment in developing countries.
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Fagiolini A, Aguglia E, Ballerini A, Callista G, Carpiniello B, Clerici M, Corrivetti G, De Fazio P, De Filippis S, De Giorgi S, Favaretto G, Ferri E, Gargiulo G, Giustra MG, La Barbera D, Maina G, Mencacci C, Montagnani G, Panariello A, Pigato G, Tortorella A, Vernacotola L, Vita A. Real-world effectiveness of long acting aripiprazole: Treatment persistence and its correlates in the Italian clinical practice. Psychiatry Res 2019; 272:698-706. [PMID: 30832189 DOI: 10.1016/j.psychres.2019.01.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/18/2018] [Accepted: 01/03/2019] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To identify the variables that are associated with persistence to Aripiprazole-Long Acting (A-LAI), in adult patients with schizophrenia. METHODS Observational, retrospective, non-interventional study involving 261 patients with schizophrenia. RESULTS Eighty-six percent of study subjects were persistent for at least 6 months. All subjects with baseline CGI-S of 1 or 2, 95% of subjects with CGI-S of 3, 86% with CGI-S of 4, 82% of subjects with CGI-S of 5, 73% of subjects with CGI of 6 and 90% of subjects with CGI of 7 were persistent. A-LAI treatment continuation rate was higher in patients with: 1) baseline CGI score ≤ 4; 2) schizophrenia dimension (LDPS) mania score ≤ 5; 3) psychotic spectrum schizoid score ≤ 11. CONCLUSIONS A relatively high number of patients (n = 225, 86%) were persistent to A-LAI for at least 6 months. Not surprisingly, very severe patients were more unlikely to be persistent. However, it is noteworthy that a large number of subjects with high CGI score at the time when A-LAI was started (82% of subjects with CGI-S of 5, 73% of subjects with CGI of 6 and 90% of subjects with CGI of 7) were persistent. Larger, controlled, prospective and longer studies are warranted.
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Rizzari C, Lanvers-Kaminsky C, Valsecchi MG, Ballerini A, Matteo C, Gerss J, Wuerthwein G, Silvestri D, Colombini A, Conter V, Biondi A, Schrappe M, Moericke A, Zimmermann M, von Stackelberg A, Linderkamp C, Frühwald MC, Legien S, Attarbaschi A, Reismüller B, Kasper D, Smisek P, Stary J, Vinti L, Barisone E, Parasole R, Micalizzi C, Zucchetti M, Boos J. Asparagine levels in the cerebrospinal fluid of children with acute lymphoblastic leukemia treated with pegylated-asparaginase in the induction phase of the AIEOP-BFM ALL 2009 study. Haematologica 2019; 104:1812-1821. [PMID: 30705097 PMCID: PMC6717578 DOI: 10.3324/haematol.2018.206433] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 01/31/2019] [Indexed: 12/25/2022] Open
Abstract
Asparagine levels in cerebrospinal fluid and serum asparaginase activity were monitored in children with acute lymphoblastic leukemia treated with pegylated-asparaginase. The drug was given intravenously at a dose of 2,500 IU/m2 on days 12 and 26. Serum and cerebrospinal fluid samples obtained on days 33 and 45 were analyzed centrally. Since physiological levels of asparagine in the cerebrospinal fluid of children and adolescents are 4-10 μmol/L, in this study asparagine depletion was considered complete when the concentration of asparagine was ≤0.2 μmol/L, i.e. below the lower limit of quantification of the assay used. Over 24 months 736 patients (AIEOP n=245, BFM n=491) and 903 cerebrospinal fluid samples (n=686 on day 33 and n=217 on day 45) were available for analysis. Data were analyzed separately for the AIEOP and BFM cohorts and yielded superimposable results. Independently of serum asparaginase activity levels, cerebrospinal fluid asparagine levels were significantly reduced during the investigated study phase but only 28% of analyzed samples showed complete asparagine depletion while relevant levels, ≥1 μmol/L, were still detectable in around 23% of them. Complete cerebrospinal fluid asparagine depletion was found in around 5-6% and 33-37% of samples at serum asparaginase activity levels <100 and ≥ 1,500 IU/L, respectively. In this study cerebrospinal fluid asparagine levels were reduced during pegylated-asparaginase treatment, but complete depletion was only observed in a minority of patients. No clear threshold of serum pegylated-asparaginase activity level resulting in complete cerebrospinal fluid asparagine depletion was identified. The consistency of the results found in the two independent data sets strengthen the observations of this study. Details of the treatment are available in the European Clinical Trials Database at https://www.clin-icaltrialsregister.eu/ctr-search/trial/2007-004270-43/IT.
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Pietrini F, Albert U, Ballerini A, Calò P, Maina G, Pinna F, Vaggi M, Boggian I, Fontana M, Moro C, Carpiniello B. The modern perspective for long-acting injectables antipsychotics in the patient-centered care of schizophrenia. Neuropsychiatr Dis Treat 2019; 15:1045-1060. [PMID: 31118640 PMCID: PMC6503342 DOI: 10.2147/ndt.s199048] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 03/18/2019] [Indexed: 12/31/2022] Open
Abstract
Schizophrenia is a chronic syndrome involving different clinical dimensions, and causes significant disability with a negative impact on the quality of life of patients and their caregivers. Current guidelines for the treatment of schizophrenia focus on maximizing a patient's adaptive functioning and quality of life in a recovery-oriented approach that encourages active collaboration among patients, caregivers, and mental health professionals to design and manage a customized and comprehensive care plan. In the present study, a panel of experts (psychiatrists, psychologists, nurse, and social worker) gathered to review and explore the need for contemporary use of second-generation antipsychotic long-acting injectables (SGA LAIs) in "recovery-oriented" and "patient-centered" care of schizophrenia. Starting from the available data and from sharing personal attitudes and experiences, the panel selected three clinical dimensions considered useful in characterizing each patient: phase of disease, adherence to treatment, and level of functioning. For each clinical dimension, perspectives of patients and caregivers with regard to needs, expectations, and personal experiences were reviewed and the role of SGA LAIs in achieving shared goals examined. The experts concluded that from today's modern perspectives, SGA-LAIs may play an important role in breaking the spiral of desocialization and functional decline in schizophrenia, thus favoring the recovery process.
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Di Trani N, Jain P, Chua CYX, Ho JS, Bruno G, Susnjar A, Pons-Faudoa FP, Sizovs A, Hood RL, Smith ZW, Ballerini A, Filgueira CS, Grattoni A. Nanofluidic microsystem for sustained intraocular delivery of therapeutics. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 16:1-9. [PMID: 30468870 DOI: 10.1016/j.nano.2018.11.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 10/03/2018] [Accepted: 11/06/2018] [Indexed: 02/07/2023]
Abstract
Globally, 145.2 million people suffer from moderate to severe vision impairment or blindness due to preventable or treatable causes. However, patient adherence to topical or intravitreal treatment is a leading cause of poor outcomes. To address this issue, we designed an intraocularly implantable device called the nanofluidic Vitreal System for Therapeutic Administration (nViSTA) for continuous and controlled drug release based on a nanochannel membrane that obviates the need for pumps or actuation. In vitro release analysis demonstrated that our device achieves sustained release of bimatoprost (BIM) and dexamethasone (DEX) at concentrations within clinically relevant therapeutic window. In this proof of concept study, we constructed an anatomically similar in silico human eye model to simulate DEX release from our implant and gain insight into intraocular pharmacokinetics profile. Overall, our drug-agnostic intraocular implant represents a potentially viable platform for long-term treatment of various chronic ophthalmologic diseases, including diabetic macular edema and uveitis.
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Chiarello F, Marini E, Ballerini A, Ricca V. Optic neuropathy due to nutritional deficiency in a male adolescent with Avoidant/Restrictive Food Intake Disorder: a case report. Eat Weight Disord 2018; 23:533-535. [PMID: 28620702 DOI: 10.1007/s40519-017-0409-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 05/31/2017] [Indexed: 10/19/2022] Open
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Pietrini F, D’Anna G, Tatini L, Talamba GA, Andrisano C, Calderani E, Manetti M, Rossi Prodi P, Ricca V, Ballerini A. Changes in attitude towards LAI antipsychotic maintenance treatment: A two-year follow-up study. Eur Psychiatry 2018; 53:58-65. [DOI: 10.1016/j.eurpsy.2018.06.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 05/31/2018] [Accepted: 06/11/2018] [Indexed: 12/31/2022] Open
Abstract
AbstractBackground:To present real-world evidence on the effects of switching from oral to long-acting injectable (LAI) antipsychotic maintenance treatment (AMT) in a sample of clinically stable patients with schizophrenia, with regard to subjective experience of treatment, attitude towards drug and quality of life.Methods:50 clinically stable adult schizophrenic outpatients were recruited. At the time of enrolment (T0), all patients were under a stabilized therapy with a single oral second-generation antipsychotic (SGA) and were switched to the equivalent maintenance regimen with the long-acting formulation of the same antipsychotic. 43 patients completed the 24-month prospective, longitudinal, open-label, observational study. Participants were assessed at baseline (T0), after 12 (T1) and 24 months (T2), using psychometric scales (PANSS, YMRS and MDRS) and patient-reported outcome measures (SWN-K, DAI-10 and SF-36).Results:The switch to LAI-AMT was associated with a significant clinical improvement at T1 and T2 compared to baseline (T0). All of the psychometric indexes, as well as patients’ subjective experience of treatment (SWN-K), and quality of life (SF-36) showed a significant improvement after one year of LAI-AMT, with stable results after two years. Patients’ attitude towards drug (DAI-10) increased throughout the follow-up period, with a further improvement during the second year.Conclusions:The switch to LAI-AMT may help to address the subjective core of an optimal recovery in stabilized schizophrenic patients. A sustained improvement in patients’ attitude towards drug may help to achieve patient’s compliance. The size of this study needs to be expanded to produce more solid and generalizable results.
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Girardi P, Del Casale A, Rapinesi C, Kotzalidis GD, Splendori F, Verzura C, Trovini G, Sorice S, Carrus D, Mancinelli I, Comparelli A, De Filippis S, Francomano A, Ballerini A, Marcellusi A, Mennini FS, Ducci G, Sani G, Pompili M, Brugnoli R. Predictive factors of overall functioning improvement in patients with chronic schizophrenia and schizoaffective disorder treated with paliperidone palmitate and aripiprazole monohydrate. Hum Psychopharmacol 2018; 33:e2658. [PMID: 29766576 DOI: 10.1002/hup.2658] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/22/2018] [Accepted: 04/09/2018] [Indexed: 11/11/2022]
Abstract
BACKGROUND Long-acting injectable (LAI) antipsychotics can improve medication adherence and reduce hospitalisation rates compared with oral treatments. Paliperidone palmitate (PAL) and aripiprazole monohydrate (ARI) LAI treatments were associated with improvements in global functioning in patients with schizophrenia. OBJECTIVE The objective of this study was to assess the predictive factors of better overall functioning in patients with chronic schizophrenia and schizoaffective disorder treated with PAL and ARI. METHOD Enrolled were 143 (97 males, 46 females, mean age 38.24 years, SD = 12.65) patients with a diagnosis of schizophrenia or schizoaffective disorder, whom we allocated in two groups (PAL and ARI treatments). We assessed global functioning, amount of oral medications, adherence to oral treatment, and number of hospitalisations before LAI introduction and at assessment time point. RESULTS Longer treatment time with LAIs (p < .001), lower number of oral drugs (p < .001), and hospitalisations (p = .002) before LAI introduction, and shorter duration of illness (p = .038) predicted better Global Assessment of Functioning scores in the whole sample (R2 = 0.337). CONCLUSION Early administration and longer duration of ARI or PAL treatments could play a significant role in improving global functioning of patients with schizophrenia and schizoaffective disorder. Better improvement in functioning could be achieved with ARI in young individuals with recent illness onset and PAL in patients at risk for recurrent hospitalisations.
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Brugnoli R, Rapinesi C, Kotzalidis GD, Marcellusi A, Mennini FS, De Filippis S, Carrus D, Ballerini A, Francomano A, Ducci G, Del Casale A, Girardi P. Model of Management (Mo.Ma) for the patient with schizophrenia: crisis control, maintenance, relapse prevention, and recovery with long-acting injectable antipsychotics (LAIs). RIVISTA DI PSICHIATRIA 2017; 51:47-59. [PMID: 27183509 DOI: 10.1708/2246.24194] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Schizophrenia is a severe mental disease that affects approximately 1% of the population with a relevant chronic impact on social and occupational functioning and daily activities. People with schizophrenia are 2-2.5 times more likely to die early than the general population. Non-adherence to antipsychotic medications, both in chronic and first episode schizophrenia, is one of the most important risk factors for relapse and hospitalization, that consequently contributes to increased costs due to psychiatric hospitalization. Atypical long-acting injectable (LAI) antipsychotics can improve treatment adherence and decrease re-hospitalization rates in patients with schizophrenia since its onset. The primary goals in the management of schizophrenia are directed not only at symptom reduction in the short and long term, but also at maintaining physical and mental functioning, improving quality of life, and promoting patient recovery. AIM To propose a scientific evidence-based integrated model that provides an algorithm for recovery of patients with schizophrenia and to investigate the effectiveness and safety of antipsychotics LAI in the treatment, maintenance, relapse prevention, and recovery of schizophrenia. METHODS After an accurate literature review we identified, collected and analyzed the crucial points in taking care schizophrenia patients, through which we defined the steps described in the model of management and the choice of the better treatment option. Results. In the management model we propose, the choice of a second generation long acting antipsychotic, could allow from the earliest stages of illness better patient management, especially for young individuals with schizophrenia onset, a better recovery and significant reductions of relapse and health care costs. LAI formulations of antipsychotics are valuable, because they help patients to remain adherent to their medication through regular contact with healthcare professionals and to prevent covert non-adherence. CONCLUSIONS The proposed schizophrenia model of management could allow better patient management and recovery, in which the treatment with LAI formulation is a safe and effective therapeutic option. This new therapeutic approach could change the cost structure of schizophrenia by decreasing costs with efficient economic resource allocation guaranteed from efficient diagnostic and therapeutic pathways.
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Farina M, Ballerini A, Fraga DW, Nicolov E, Hogan M, Demarchi D, Scaglione F, Sabek OM, Horner P, Thekkedath U, Gaber OA, Grattoni A. 3D Printed Vascularized Device for Subcutaneous Transplantation of Human Islets. Biotechnol J 2017; 12. [PMID: 28734022 DOI: 10.1002/biot.201700169] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/12/2017] [Indexed: 12/17/2022]
Abstract
Transplantation of pancreatic islets or stem cell derived insulin secreting cells is an attractive treatment strategy for diabetes. However, islet transplantation is associated with several challenges including function-loss associated with dispersion and limited vascularization as well as the need for continuous immunosuppression. To overcome these limitations, here we present a novel 3D printed and functionalized encapsulation system for subcutaneous engraftment of islets or islet like cells. The devices were 3D printed with polylactic acid and the surfaces treated and patterned to increase the hydrophilicity, cell attachment, and proliferation. Surface treated encapsulation systems were implanted with growth factor enriched platelet gel, which helped to create a vascularized environment before loading human islets. The device protected the encapsulated islets from acute hypoxia and kept them functional. The adaptability of the encapsulation system was demonstrated by refilling some of the experimental groups transcutaneously with additional islets.
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Ballerini A, Moro F, Nerini IF, Marzo CM, Di Clemente A, Ferrari M, D'Incalci M, Biondi A, Colombini A, Conter V, Porcu L, Cervo L, Rizzari C, Zucchetti M. Pharmacodynamic effects in the cerebrospinal fluid of rats after intravenous administration of different asparaginase formulations. Cancer Chemother Pharmacol 2017; 79:1267-1271. [PMID: 28424964 DOI: 10.1007/s00280-017-3307-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 04/11/2017] [Indexed: 01/27/2023]
Abstract
PURPOSE Asparaginase (ASNase) is used to treat various hematological malignancies for its capacity to deplete asparagine (ASN) in serum and cerebrospinal fluid (CSF). Since the biological mechanisms underlying CSF asparagine depletion in humans are not yet fully elucidated, this study compared, for the first time, the pharmacological properties of three clinically used ASNase formulations in a rodent model. METHODS Male Wistar rats were treated with E.coli-ASNase, PEG-ASNase, or ERW-ASNase at different doses. Serum and CSF amino-acid levels and ASNase activities were evaluated at 1 and 24 h after the intravenous administration of different ASNase doses. RESULTS All the ASNase formulations showed higher activities in serum after 1 h than 24 h and completely deplete ASN. Mean ASNase activity in the CSF at 1 h was higher with ERW-ASNase compared to PEG-ASNase (36 ± 29 vs 8 ± 7 U/L, p < 0.037) and similar to E.coli-ASNase (21 ± 9 U/L, ns). ERW-ASNase and E.coli-ASNase at the highest doses were able to deplete ASN in the CSF after 1 h. This effect was transient and not evident at 24 h after treatment. CONCLUSIONS Together with the ASN depletion in serum and CSF, a never before demonstrated transient penetration of ASNases into the CSF, more evident for non-pegylated formulations, was detected when the ASNases were administered at high dose.
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Mallardo L, Campone B, Tofani T, Ciampi E, Corsi E, Baschirotto C, Appignanesi C, Lelli L, Pietrini F, Rotella F, Ricca V, Ballerini A. Is There an Association Between Body Uneasiness and Aberrant Salience in Anorexic Patients? A Preliminary Study. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.02.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
The process whereby objects and representations come to be attention grabbing and capture thought and behaviour is called salience, and it is defined as aberrant when a significance is allocated to neutral stimuli. The Aberrant Salience Inventory (ASI) is a scale to measure aberrant salience, characterized by 29 dichotomic items. By now, a correlation between aberrant salience and eating disorders is unknown. Aim of this study is to evaluate an alteration of salience in patients with anorexia nervosa, to estimate the existance of a correlation between aberrant salience and the experience of body shape.MethodsTwenty-six female patients with AN (diagnosed using DSM-5) were enrolled at the Psychiatry Department of Florence. Psychopathological features were assessed at the time of enrollment using the following scales: SCL-90-R, BUT, EDE-Q. Salience alteration was assessed by the means of the ASI. Statistical analysis were realized using SPSS 20.0 with Spearman bivariate correlation.ResultsMean age was (mean ± SD) 26.2 ± 8.72 and mean Body Mass Index (BMI) 16.1 ± 2.46. Global Severity Index (GSI), Positive Symptom Total (PST) and Positive Symptom Distress Symptom Index (PSDI) were estimated for BUT and SCL-90-R and compared to total value of ASI. Thus, we found a statistical significant (P < 0.05) direct correlation between ASI and BUTpsdi and ASI and SCL-90-Rgsi (correlation coefficient of 0.446 and 0.398, respectively).ConclusionIn this study, we found a significant direct correlation between Aberrant Salience Inventory (ASI) values and one dimension of body uneasiness in anorexic patients. These preliminary data need further studies with a wider sample to confirm the above-mentioned data.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Marcellusi A, Mennini F, Brugnoli R, Rapinesi C, Kotzalidis G, De Filippis S, Carrus D, Ballerini A, Francomano A, Ducci G, Del Casale A, Girardi P. Economic Aspects in the Treatment of Schizophrenia in Italy: Cost Consequences of an Early Long-acting Injectable Anti-Psychotics (lais) Approach. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.02.101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
PurposeThe aim of this analysis was to evaluate the economic consequences of a new treatment approach in the treatment of schizophrenia in the Italian setting. In terms of direct costs, in Italy was estimated that the main driver were represented by hospitalization and residential cost (71% of total direct cost per patient), followed by semi-residential services (13%), anti-psychotic and other drugs (8%) and ambulatory services (8).MethodsA probabilistic cost consequence model was developed to estimate the potential cost reductions derived from an early treatment with atypical long-acting injectable anti-psychotics (aLAIs) drugs. A systematic literature review was carried out to identify direct and indirect costs associated to the management of schizophrenic patients in Italy. The model projects a scenario analysis in order to estimate potential cost reductions applying a new model management (MoMa) based on patient recovery and early aLAIs treatment.ResultsOverall, the total economic burden associated with schizophrenia was estimated at €2.7 billion per year. A total of 50.5% of the economic burden was related to indirect costs and 49.5% to direct costs. Drug costs correspond to 10% of the total expenditure in terms of direct costs, while hospitalization and residential costs accounts for 81%. Scenario analysis demonstrate a potential cost reduction between 200 million and 300 million based on the effects of MoMa over the reduction of hospitalization and residential costs.ConclusionsThis analysis was the first attempt to translate clinical management aspects in economic consequences and will be a useful instruments for decision maker.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Calderani E, Pietrini F, Burian I, Chiarello F, Dahlke D, Gemignani S, Marino P, Talamba G, Poli L, Santangelo A, Ricca V, Ballerini A. Long acting antipsychotics treatment of schizophrenia: A 24-month prospective study on patient's attitude towards treatment. Eur Psychiatry 2017. [DOI: 10.1016/j.eurpsy.2017.01.2111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
IntroductionLong-acting injectable (LAI) second-generation antipsychotics (SGAs) are considered an alternative to oral antipsychotics for schizophrenic patients with low adherence to therapy. However, it is still a matter of debate whether LAI-SGAs are able to significantly improve patient's attitudes towards treatment (ATT) [1].ObjectiveTo investigate the impact of LAI on ATT over 24 months.MethodsNineteen schizophrenic patients were switched from either oral olanzapine (11) or paliperidone (8) to the corresponding LAI. Patients were assessed at baseline (T0), after 6 (T1), 12 (T2) and 24 months (T3). Drug Attitude Inventory-10 (DAI-10) [2] was used to assess ATT. Young Mania Rating Scale (YMRS), Montgomery-Asberg Depression Rating Scale (MADRS), Positive and Negative Syndrome Scale (PANSS), and Short Form Health Survey (SF-36) were used for psychopathology evaluations.ResultsEleven patients reached T3. Eight patients were excluded (4 olanzapine, 4 paliperidone): 4 required a significant change in concomitant treatment, 4 a change of antipsychotic (metabolic comorbidity). No changes in psychopathology occurred between T2 and T3, some scales improved from baseline to T2. DAI-10 mean scores were improved after 12 months, thus not significantly, and were further improved at 24 months (P = .008 vs baseline).ConclusionsATT keeps improving after one year of LAI treatment, unrelated to clinical response.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Filgueira CS, Ballerini A, Nicolov E, Chua CYX, Jain P, Smith ZW, Gilbert AL, Scaglione F, Grattoni A. A pharmacokinetic study of GC-1 delivery using a nanochannel membrane device. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:1739-1744. [PMID: 28259802 DOI: 10.1016/j.nano.2017.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 01/20/2017] [Accepted: 02/14/2017] [Indexed: 12/25/2022]
Abstract
This study demonstrated a nanochannel membrane device (NMD) for controlled and sustained release of GC-1 in rats, in the context of the treatment of metabolic syndrome. Release profiles were established in vitro both with and without 5% labrasol for over 2 months. In vivo pharmacokinetic evaluation showed effective GC-1 plasma concentrations, which resulted in significant reductions in body weight after just one week of treatment when compared to the NMD releasing vehicle only (PBS). We also provided evidence that rats treated with NMD-GC-1 present sub-active thyroids and clear differences in the morphology of the epithelium and follicles as compared to the controls, while the heart showed changes in weight. Moreover, body temperatures remained stable throughout treatment, and glucose, pancreatic islet size, and liver histology appeared similar between the treated and control groups. Prolonged constant administration of GC-1 from the NMD proved to be a valid strategy to facilitate weight loss.
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Ballerini A, S. Filgueira C, Nicolov E, Jain P, Bruno G, L. Hood R, Scaglione F, Grattoni A. Sustained Delivery of Tamoxifen from a Nanofluidic Delivery Platform. ACTA ACUST UNITED AC 2017. [DOI: 10.2174/2210303106666161129163850] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Filgueira CS, Nicolov E, Hood RL, Ballerini A, Garcia-Huidobro J, Lin JZ, Fraga D, Webb P, Sabek OM, Gaber AO, Phillips KJ, Grattoni A. Sustained zero-order delivery of GC-1 from a nanochannel membrane device alleviates metabolic syndrome. Int J Obes (Lond) 2016; 40:1776-1783. [PMID: 27460601 DOI: 10.1038/ijo.2016.129] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 06/16/2016] [Accepted: 06/25/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND/OBJECTIVES Our objective was to assess the sustained, low-dose and constant administration of the thyroid receptor-β (TRβ)-selective agonist GC-1 (sobetirome) from a novel nanochannel membrane device (NMD) for drug delivery. As it known to speed up metabolism, accomplish weight loss, improve cholesterol levels and possess anti-diabetic effects, GC-1 was steadily administered by our NMD, consisting of an implantable nanochannel membrane, as an alternative to conventional daily administration, which is subject to compliance issues in clinical settings. SUBJECTS/METHODS Diet-induced obese C57BL/J6 male mice were fed a very high-fat diet (VHFD) and received NMD implants subcutaneously. Ten mice per group received capsules containing GC-1 or phosphate-buffered saline (control). Weight, lean and fat mass, as well as cholesterol, triglycerides, insulin and glucose, were monitored for 24 days. After treatment, plasma levels of thyroid-stimulating hormone (TSH) and thyroxine were compared. mRNA levels of a panel of thermogenic markers were examined using real-time PCR in white adipose tissue (WAT) and brown adipose tissue (BAT). Adipose tissue, liver and local inflammatory response to the implant were examined histologically. Pancreatic islet number and β-cell area were assessed. RESULTS GC-1 released from the NMD reversed VHFD-induced obesity and normalized serum cholesterol and glycemia. Significant reductions in body weight and fat mass were observed within 10 days, whereas reductions in serum cholesterol and glucose levels were seen within 7 days. The significant decrease in TSH was consistent with TRβ selectivity for GC-1. Levels of transcript for Ucp1 and thermogenic genes PGC1a, Cidea, Dio2 and Cox5a showed significant upregulation in WAT in NMD-GC-1-treated mice, but decreased in BAT. Although mice treated by NMD-GC-1 showed a similar number of pancreatic islets, they exhibited significant increase in β-cell area. CONCLUSIONS Our data demonstrate that the NMD implant achieves steady administration of GC-1, offering an effective and tightly controlled molecular delivery system for treatment of obesity and metabolic disease, thereby addressing compliance.
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Pietrini F, Spadafora M, Tatini L, Talamba GA, Andrisano C, Boncompagni G, Manetti M, Ricca V, Ballerini A. LAI versus oral: A case-control study on subjective experience of antipsychotic maintenance treatment. Eur Psychiatry 2016; 37:35-42. [PMID: 27442981 DOI: 10.1016/j.eurpsy.2016.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 04/05/2016] [Accepted: 05/13/2016] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND To present real-world evidence on the differences between long-acting injectable (LAI) and oral antipsychotic maintenance treatment (AMT) in terms of subjective well-being, attitudes towards drug and quality of life in a sample of remitted schizophrenic subjects. METHODS Twenty outpatients with remitted schizophrenia treated with either olanzapine or paliperidone and switching from the oral to the LAI formulation of their maintenance treatment were recruited before the switch (LAI-AMT group). A group of 20 remitted schizophrenic subjects with oral AMT and matching main sociodemographic, clinical and treatment variables made up the control group (oral-AMT group). All participants were assessed in terms of objective (PANSS, YMRS, MADRS) and subjective (SWN-K, DAI-10, SF-36) treatment outcomes at baseline (T0) and after 6 months (T1). RESULTS Between T0 and T1, general psychopathology of the PANSS, DAI-10, and all but one of the SWN-K dimensions (except for social integration), showed significantly higher percentages of improvement in the LAI-AMT group compared to the oral-AMT group. A generalized expansion of health-related quality of life, with better functioning in almost all areas of daily living, was reported by the LAI-AMT group after the 6-month period. In contrast, the oral-AMT group reported a significant worsening of health-related quality of life in the areas of emotional role and social functioning in the same period. CONCLUSIONS Our study indicates possible advantages of LAI over oral antipsychotic formulation in terms of subjective experience of maintenance treatment in remitted schizophrenic patients. Size and duration of this study need to be expanded in order to produce more solid and generalizable results.
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Filgueira CS, Nicolov E, Ballerini A, Hood RL, Jain P, Bruno G, Grattoni A. Abstract 1320: Local and sustained delivery of tamoxifen for the prevention of ER+ breast cancer using a nanochannel delivery platform. Cancer Res 2016. [DOI: 10.1158/1538-7445.am2016-1320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
A high incidence (∼75%) of primary breast cancers are estrogen receptor positive (ER+), and a large fraction of these patients can pursue chemopreventive therapies. However, due to adverse side effects, only 5% to 20% of the women at high risk who could benefit from chemotherapeutics enroll in preventive treatment. There is a clear need for alternative preventive strategies that minimize side effects and improve enrollment and compliance. Selective estrogen receptor modulators, such as tamoxifen (TMX), have been shown to reduce ER+ breast cancer incidence by up to 50% among high-risk women. Importantly, along with raloxifene, it is one of only two FDA-approved drugs for breast cancer prevention. TMX has been in use for over 40 years and has a proven record in pre- and post-menopausal women. However, the drug is marred by side effects, the most common being symptoms of menopause. Further, women treated systemically and chronically with TMX were found to have an increased incidence of endometrial carcinoma. Although rare, this side effect, along with other serious adverse effects (such as blood clots, strokes, and cataracts), has resulted in a debate concerning TMX use in cancer prevention. As the key for breast cancer chemoprevention relies upon long-term delivery of drugs while circumventing side effects, we have developed a novel local delivery strategy for the constant and sustained administration of TMX. We maintain a long-term, local release of TMX in mammary tissues by utilizing a novel implantable nanochannel Delivery System (nDS). The nDS consists of a bioinert, implantable, and mechanically robust silicon membrane which houses an exact number of densely packed slit-nanochannels as small as 2.5 nm with tight tolerances on size, geometry, and surface properties. Providing steady levels of TMX at the mammary gland target through nDS delivery maximizes the therapeutic index while limiting the unwanted secondary effects, which will ultimately improve patient compliance. In this work we chemically induced tumorigenesis in Sprague-Dawley rats by N-methyl-N-nitrosourea (NMU) injection to promote development of estrogen-dependent tumors. We performed ovariectomies seven days after NMU injection to mimic post-menopausal biology. nDS implants loaded with either TMX or PEG400 (negative control) were inserted under the left abdominal mammary gland to determine effects of nDS-TMX on tumor growth and biomarkers. Utilizing LC/MS we were able to determine the amount of TMX released from the nDS. Rats were examined for palpable tumors to assess breast tumor incidence, latency to onset, and multiplicity. Our results show that the nDS implant enables the effective delivery of TMX in this breast tumor model. Further, this technology has the potential to rapidly provide long-term breast cancer protection with significant improvement in the quality of life of patients at high risk, thereby saving thousands of lives every year.
Citation Format: Carly S. Filgueira, Eugenia Nicolov, Andrea Ballerini, R. Lyle Hood, Priya Jain, Giacomo Bruno, Alessandro Grattoni. Local and sustained delivery of tamoxifen for the prevention of ER+ breast cancer using a nanochannel delivery platform. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr 1320.
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Sabek OM, Farina M, Fraga DW, Afshar S, Ballerini A, Filgueira CS, Thekkedath UR, Grattoni A, Gaber AO. Three-dimensional printed polymeric system to encapsulate human mesenchymal stem cells differentiated into islet-like insulin-producing aggregates for diabetes treatment. J Tissue Eng 2016; 7:2041731416638198. [PMID: 27152147 PMCID: PMC4843232 DOI: 10.1177/2041731416638198] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Accepted: 02/18/2016] [Indexed: 01/19/2023] Open
Abstract
Diabetes is one of the most prevalent, costly, and debilitating diseases in the world. Pancreas and islet transplants have shown success in re-establishing glucose control and reversing diabetic complications. However, both are limited by donor availability, need for continuous immunosuppression, loss of transplanted tissue due to dispersion, and lack of vascularization. To overcome the limitations of poor islet availability, here, we investigate the potential of bone marrow–derived mesenchymal stem cells differentiated into islet-like insulin-producing aggregates. Islet-like insulin-producing aggregates, characterized by gene expression, are shown to be similar to pancreatic islets and display positive immunostaining for insulin and glucagon. To address the limits of current encapsulation systems, we developed a novel three-dimensional printed, scalable, and potentially refillable polymeric construct (nanogland) to support islet-like insulin-producing aggregates’ survival and function in the host body. In vitro studies showed that encapsulated islet-like insulin-producing aggregates maintained viability and function, producing steady levels of insulin for at least 4 weeks. Nanogland—islet-like insulin-producing aggregate technology here investigated as a proof of concept holds potential as an effective and innovative approach for diabetes cell therapy.
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Moneglia M, Santangelo A, Ballerini A, Ricca V, Zignego A. New interferon-free therapies on HCV+ chronic hepatitis: Overcoming psychiatric side effects in a real world setting. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.1412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
IntroductionInterferon-alpha (IFNα) was the backbone therapy for HCV+ related chronic hepatitis (CH-C). However, it was associated with significant neuropsychiatric side effects and impaired health-related quality of life. Second Generation IFNα-free direct-acting antiviral agents (DAAs) seem to be associated with fewer side effects, better tolerability, high efficacy rates and better patient reported outcomes (PROs) [Younoussi, 2014].AimsTo describe the neuropsychiatric symptoms and PROs during Second Generation DAAs plus ribavirin oral treatment in a group of CH-C real world patients.MethodsNineteen CH-C outpatients, scheduled for IFNα-free treatment, were assessed at enrolment (T0), at 4 (T1) and at 12 (T2) weeks, the end of treatment, by means of MDRS, HAM-D, HAM-A, MRS, Y-BOCS and SF-36. A pharmacological therapy, based on clinical evidence, was provided at psychiatric symptoms onset.ResultsDuring the treatment, we didn’t report any worsening in the administred psychometric scales. Furthermore, we observed a general improvement at week 12 (T2), statistically significant only for MRS (P < 0.05). Any statistically significant difference was found for SF-36 mean scores comparing T0, T1 and T2. However, SF-36 cluster analysis showed between T0 and T2 a meaningful and significant rise of global health clusters “General health perceptions” (P < 0.05), “Change in overall health status” (P < 0.001) and a significant impairment in cluster “Emotional role functioning” (P < 0.05).ConclusionsOur real world data are consistent with trial setting results [Younoussi, 2014]. Contrary to previous IFNα-based therapy, new regimens don’t seem to be associated with psychiatric side effects and suggest an immediate gain in general health PROs over the treatment period.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Pietrini F, Spadafora M, Tatini L, Talamba G, Burchi E, Calderani E, Gemignani S, Mallardo L, Andrisano C, Boncompagni G, Manetti M, Ballerini A, Ricca V. LAI versus oral antipsychotic maintenance treatment of schizophrenia: A case-control study on subjective experience of treatment. Eur Psychiatry 2016. [DOI: 10.1016/j.eurpsy.2016.01.2165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
IntroductionLimited research has been devoted to the subjective impact of switching antipsychotic maintenance treatment (AMT) from oral to LAI formulation in schizophrenia.ObjectiveTo compare LAI AMT with oral AMT in terms of subjective experience of treatment, taking into account the effects on psychopathology.MethodsTwenty outpatients (7 males, mean age 40.55 ± 11.00 years) with remitted schizophrenia treated with either olanzapine or paliperidone and switching from oral to LAI AMT were recruited before the switch (LAI-AMT group). A group of 20 remitted schizophrenic subjects with oral AMT and matched for the main socio-demographic, clinical and treatment variables made up the controls (oral-AMT group). All participants were assessed by means of the PANSS and of the SWN-K at baseline (T0) and after 6 months (T1).ResultsBetween T0 and T1, general psychopathology of the PANSS and all but one of the SWN-K dimensions (except for “social integration”), showed significantly higher percent improvements in the LAI-AMT group compared to the oral-AMT group. After 6 months (T1), the LAI-AMT group showed significantly lower PANSS total and general psychopathology scores, as well as higher mean score of perceived “mental functioning” compared to the oral-AMT group. Item analysis of the general PANSS at T1 showed significant differences between the two groups in anxiety, tension, depression, guilt feelings, poor attention, and active social avoidance.ConclusionsOur data on switching from oral to LAI AMT in remitted schizophrenia suggest a better efficacy of the latter in terms of improvement of general psychopathology and subjective experience of treatment.Disclosure of interestThe authors have not supplied their declaration of competing interest.
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Light D, Griffin M, Srivastava K, Danelli P, Ballerini A, Leone N, Bondurri A, Khare R, Shabbir A, Wijerathne S, So JBY, Clara E, Tang SW, Tan WB, Hu J, Lomanto D, Ji Z, Li J, East B, Pazdirek F, Hoch J, Ji ZL, Malik D, Reddy P, Sahu D, Forgione U, Gianatiempo M, Xiong M, Chen B, Zhang JW, Li T, Luo XG, Li Q, Yu X, Zhao XD, Chen HY, Sun FX, Feng GZ, Zhang JP, Yu CZ, Aboulwafa A, Mahfouz A, Khairat M, Althani H, Albosoum E, Alebrahim H. Rare & Special Cases. Hernia 2015; 19 Suppl 1:S19-24. [PMID: 26518798 DOI: 10.1007/bf03355321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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