Psychiatric services (Washington, D.C.) · 2007
Characteristics and use patterns of patients taking first-generation depot antipsychotics or oral antipsychotics for schizophrenia.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Shi Lizheng, Ascher-Svanum Haya, Zhu Baojin, Faries Douglas, Montgomery William, Marder Stephen R
Аннотация
OBJECTIVE: Investigators compared patient characteristics and antipsychotic use patterns between individuals with schizophrenia treated in usual care with first-generation depot antipsychotics and those treated with oral antipsychotics (first- or second-generation or both).
METHODS: Analyses used data from the U.S. Schizophrenia Care and Assessment Program, a large, prospective study of treatment for schizophrenia conducted July 1997 through September 2003. Participants were assessed at enrollment and every six months thereafter with patient self-report, validated psychiatric measures, and systematic extraction of medical records. Individuals treated with a first-generation depot antipsychotic at any time during the three-year study (N=569) were compared with those treated with only oral antipsychotics (N=1,617) on characteristics at enrollment and medication use pattern during the year after enrollment.
RESULTS: Compared with patients receiving only oral antipsychotics, participants treated with depot medications (haloperidol or fluphenazine decanoate) were more likely to be African American (p<.001); less likely to be a veteran (p=.005); had more psychiatric hospitalizations in the year before enrollment (p<.001); and were more likely to have been arrested (p<.001), to use alcohol and illicit substances (p<.001), and to show higher psychopathology, particularly psychotic symptoms and disorganized thinking (p<.01 for both). In the year after enrollment, participants treated with depot medications had a high mean medication possession ratio (91%), and most of the medication regimens (68%) were augmented with oral antipsychotics for prolonged durations (median of 144 days).
CONCLUSIONS: Patients with schizophrenia treated with first-generation depot antipsychotics differed from those treated with only oral antipsychotics. Findings suggest that first-generation depot antipsychotics might address some unmet needs of a unique subgroup of patients with schizophrenia.
METHODS: Analyses used data from the U.S. Schizophrenia Care and Assessment Program, a large, prospective study of treatment for schizophrenia conducted July 1997 through September 2003. Participants were assessed at enrollment and every six months thereafter with patient self-report, validated psychiatric measures, and systematic extraction of medical records. Individuals treated with a first-generation depot antipsychotic at any time during the three-year study (N=569) were compared with those treated with only oral antipsychotics (N=1,617) on characteristics at enrollment and medication use pattern during the year after enrollment.
RESULTS: Compared with patients receiving only oral antipsychotics, participants treated with depot medications (haloperidol or fluphenazine decanoate) were more likely to be African American (p<.001); less likely to be a veteran (p=.005); had more psychiatric hospitalizations in the year before enrollment (p<.001); and were more likely to have been arrested (p<.001), to use alcohol and illicit substances (p<.001), and to show higher psychopathology, particularly psychotic symptoms and disorganized thinking (p<.01 for both). In the year after enrollment, participants treated with depot medications had a high mean medication possession ratio (91%), and most of the medication regimens (68%) were augmented with oral antipsychotics for prolonged durations (median of 144 days).
CONCLUSIONS: Patients with schizophrenia treated with first-generation depot antipsychotics differed from those treated with only oral antipsychotics. Findings suggest that first-generation depot antipsychotics might address some unmet needs of a unique subgroup of patients with schizophrenia.
Предметные рубрики MeSH
Administration, OralAdultAlcoholismAntipsychotic AgentsBlack PeopleCohort StudiesComorbidityCrimeCross-Sectional StudiesDelayed-Action PreparationsDrug UtilizationFemaleFluphenazineHaloperidolHumansIllicit DrugsMaleMiddle AgedPatient ReadmissionProspective StudiesSchizophreniaSchizophrenia, DisorganizedSchizophrenic PsychologySubstance-Related DisordersTreatment OutcomeUnited StatesWhite PeopleBlack or African American