IBIS: Italian Burden of Illness on Schizophrenia & Bipolar Disorder

NCT ID: NCT01392482

Last Updated: 2012-09-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

751725 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-07-31

Study Completion Date

2012-09-30

Brief Summary

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Multicentre, retrospective observational cohort study based on LHU administrative databases aimed to described the pharmacoutilization of antipsychotics in patients affected by schizophrenia and bipolar disorder, the resource consumption and medication adherence. A sub analysis will be performed for those patients switching from Quetiapine IR to Quetiapine XR and comparing the periods before and after the switch.

Detailed Description

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Conditions

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Schizophrenia Bipolar Disorder

Keywords

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Schizophrenia Bipolar Disorder

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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treatment with antipsychotics

40 LHU covering about 18 millions inhabitants distributed all over Italy with a coverage of nearly 100% of Italian regions. All subjects will be included in the analysis who have received treatment with antipsychotics (typical and / or atypical) between January 1, 2009 and June 30, 2010 and diagnosed with schizophrenia and / or Bipolar Disorder.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of Schizophrenia or BD (appendix for ICD9-10 codes) or an antipsychotic prescription during the period 1/1/2009-30/06/2010
* patients must be assisted in the LHU for the year before the enrollment ( period 1/1/2009-30/06/2010) until 31/12/2010 or death date if earlier
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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AstraZeneca

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Flore La Tour

Role: STUDY_CHAIR

AstraZeneca

Raffaele Sabia

Role: STUDY_DIRECTOR

AstraZeneca

Locations

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Research Site

Arezzo, AR, Italy

Site Status

Research Site

Bergamo, BG, Italy

Site Status

Research Site

Bolzano, BZ, Italy

Site Status

Research Site

Forlì, FC, Italy

Site Status

Research Site

Ferrara, FE, Italy

Site Status

Research Site

Florence, FI, Italy

Site Status

Research Site

Lecce, LE, Italy

Site Status

Research Site

Matera, MT, Italy

Site Status

Research Site

Monza E Brianza, MZ, Italy

Site Status

Research Site

Piacenza, PC, Italy

Site Status

Research Site

Ravenna, RA, Italy

Site Status

Research Site

Ragusa, RG, Italy

Site Status

Research Site

Teramo, TE, Italy

Site Status

Research Site

Milan, , Italy

Site Status

Research Site

Molise, , Italy

Site Status

Research Site

Rome, , Italy

Site Status

Countries

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Italy

References

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Brown S. Excess mortality of schizophrenia. A meta-analysis. Br J Psychiatry. 1997 Dec;171:502-8. doi: 10.1192/bjp.171.6.502.

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Opler LA, Caton CL, Shrout P, Dominguez B, Kass FI. Symptom profiles and homelessness in schizophrenia. J Nerv Ment Dis. 1994 Mar;182(3):174-8. doi: 10.1097/00005053-199403000-00008.

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Foster RH, Goa KL. Risperidone. A pharmacoeconomic review of its use in schizophrenia. Pharmacoeconomics. 1998 Jul;14(1):97-133. doi: 10.2165/00019053-199814010-00009.

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Reference Type BACKGROUND
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Kendler KS, Gallagher TJ, Abelson JM, Kessler RC. Lifetime prevalence, demographic risk factors, and diagnostic validity of nonaffective psychosis as assessed in a US community sample. The National Comorbidity Survey. Arch Gen Psychiatry. 1996 Nov;53(11):1022-31. doi: 10.1001/archpsyc.1996.01830110060007.

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Tondo L, Baldessarini RJ. Reduced suicide risk during lithium maintenance treatment. J Clin Psychiatry. 2000;61 Suppl 9:97-104.

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Kelly GR, Scott JE, Mamon J. Medication compliance and health education among outpatients with chronic mental disorders. Med Care. 1990 Dec;28(12):1181-97. doi: 10.1097/00005650-199012000-00006.

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Duncan JC, Rogers R. Medication compliance in patients with chronic schizophrenia: implications for the community management of mentally disordered offenders. J Forensic Sci. 1998 Nov;43(6):1133-7.

Reference Type BACKGROUND
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The Scottish First Episode Schizophrenia Study. II. Treatment: pimozide versus flupenthixol. The Scottish Schizophrenia Research Group. Br J Psychiatry. 1987 Mar;150:334-8. doi: 10.1192/bjp.150.3.334.

Reference Type BACKGROUND
PMID: 2889495 (View on PubMed)

Young JL, Zonana HV, Shepler L. Medication noncompliance in schizophrenia: codification and update. Bull Am Acad Psychiatry Law. 1986;14(2):105-22.

Reference Type BACKGROUND
PMID: 2873851 (View on PubMed)

Buchanan A. A two-year prospective study of treatment compliance in patients with schizophrenia. Psychol Med. 1992 Aug;22(3):787-97. doi: 10.1017/s0033291700038228.

Reference Type BACKGROUND
PMID: 1357703 (View on PubMed)

Keck PE Jr, McElroy SL, Strakowski SM, West SA, Sax KW, Hawkins JM, Bourne ML, Haggard P. 12-month outcome of patients with bipolar disorder following hospitalization for a manic or mixed episode. Am J Psychiatry. 1998 May;155(5):646-52. doi: 10.1176/ajp.155.5.646.

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PMID: 9585716 (View on PubMed)

Catalan VS, LeLorier J. Predictors of long-term persistence on statins in a subsidized clinical population. Value Health. 2000 Nov-Dec;3(6):417-26. doi: 10.1046/j.1524-4733.2000.36006.x.

Reference Type BACKGROUND
PMID: 16464201 (View on PubMed)

Weiden PJ, Kozma C, Grogg A, Locklear J. Partial compliance and risk of rehospitalization among California Medicaid patients with schizophrenia. Psychiatr Serv. 2004 Aug;55(8):886-91. doi: 10.1176/appi.ps.55.8.886.

Reference Type BACKGROUND
PMID: 15292538 (View on PubMed)

Degli Esposti L, Sangiorgi D, Mencacci C, Spina E, Pasina C, Alacqua M, la Tour F. Pharmaco-utilisation and related costs of drugs used to treat schizophrenia and bipolar disorder in Italy: the IBIS study. BMC Psychiatry. 2014 Oct 14;14:282. doi: 10.1186/s12888-014-0282-z.

Reference Type DERIVED
PMID: 25312446 (View on PubMed)

Other Identifiers

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NIS-NIT-XXX-2011/1

Identifier Type: -

Identifier Source: org_study_id