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Danish Study Finds Better 10-year Outcomes in Patients Off Antipsychotics

By 5-HT2A, Apr 9, 2017 | | |
  1. 5-HT2A
    An extensive ten-year study published in Schizophrenia Research explores the relationship between antipsychotic treatment and long-term outcomes in people diagnosed with psychosis. Among other findings, this Danish study finds improved functioning and higher rates of employment after ten years in those remitted off of antipsychotic drugs. In addition, the remission rate for patients off antipsychotic medication was higher than for those on the medications.


    Previous reports have called attention to the adverse long-term outcomes of antipsychotic use. The authors of this study further point out that while there have been numerous studies completed of long-term results that include remission of psychotic symptoms, few have assessed the correlation of long-term outcomes and antipsychotic medication.

    They do, however, highlight one study from 2001 that found a large number of participants who had good outcomes at 15 and 25 years after onset regardless of their mediation status. Other studies that have also examined the relationship between medication and psychotic symptom include the AESOP-10 and Chicago studies. In the Chicago study at 4.5 years follow-up participants, not on antipsychotics, had significantly fewer psychotic symptoms those on antipsychotics.

    This study aimed to investigate long-term outcome and characteristics of patients in remission of psychotic symptoms while not being on antipsychotic medication at 10-year follow-up. To do this, 496 patients between the ages of 18-45 years, diagnosed with schizophrenia spectrum disorders from the Danish OPUS-cohort were included. The OPUS trial was an RCT exploring the effects of intensive early-intervention.

    At intake, patients had not received antipsychotic treatment for > 12 weeks. Measures included diagnostic tools (Schedules for Clinical Assessment in Neuropsychiatry (SCAN); symptoms measures (Scale of Assessment of Positive Symptoms (SAPS) and the Scale of Assessment Negative Symptoms (SANS); premorbid IQ (Danish Adult Reading Test (DART); functioning level (Global Assessment of Functioning (GAF-S, GAF-F); duration of untreated psychosis (DUP; Interview of Retrospective Assessment of Onset of Schizophrenia); and evaluation of antipsychotic medication use as well as compliance with the drug. Patients were divided into four groups: Remitted-off-medication, Remitted-on-medication, Non-remitted-off-medication, and Non-remitted-on-medication.

    Sixty-one percent of participants (303) participated at 10-year follow-up. After excluding deceased (n=33) and those that moved (n=18), follow-up rate was 68%. Those who took part in the 10-year follow-up had significantly higher functioning scores and were significantly younger than those who did not participate at 10-year follow-up.

    There were 121 patients off medication at the end of 10 years, and 182 who were taking antipsychotics. Seventy-four percent of patients off medication were in remission (90 of 121), compared to 49% in the on-medication group (90 out of 182). This produced an overall remission rate of nearly 60% for the 303 patients in the 10-year-followup.

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    In this study, a significant association between female gender and a more favorable outcome was reported. Higher functioning scores at the 10 year follow-up were associated with better long-term outcome. Moreover, there was a positive association between having a job/being in training/educational course/vocational rehabilitation and being Remitted-off-medication. Related to this finding, better long-term outcomes were strongly associated with occupational status. Those that remitted off medication had the lowest scores of negative symptoms.

    There was no relationship between age at inclusion, nor was there a correlation between better outcome and finishing high school or score on the DART (premorbid IQ). Lastly, a longer duration of untreated psychosis (DUP) was associated with poorer outcome.

    Previous researchers have discussed the lack of evidence for the standard practice of long-term antipsychotic use and the potential adverse outcomes. The authors of this study provide some evidence on the effects (or lack of) of long-term antipsychotic use on psychotic symptoms. The authors of this study point out that while studies of discontinuation/dose reduction have found poor outcomes, these RCT’s had shorter follow-up periods (1-2 years vs. 10 years). This study adds to our complex understanding of the effectiveness of antipsychotics and their long-term impact in reducing psychotic symptoms.

    An interesting although not surprising finding in the study was that participants in the remitted off-medication group had significantly higher functioning scores, lower levels of negative symptoms, and more frequently participated in the labor market. This underscores the adverse long-term functioning outcomes that can result from taking antipsychotic drugs.

    Original Source

    Written by: Bernalyn Ruiz, Apr 7, 2017, Mad In America

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  1. profesor
    There are a couple of big problems with this. One is that many patients are "noncompliant," meaning they won't take medications when they should. It's hard to combat this without continuously telling patients to take their medications as directed. Secondly, and this was a problem with my ex, who had been on antipsychotics continuously for nearly twenty years, that patients (should we call them clients or use some euphemism?) are petrified of having a psychotic break. It's incredibly emotionally distressing,certainly the aftermath if not the break itself. These patients do not want to take "medication vacations".
    There is a subset of mentally ill people who could really benefit healthwise from medication vacations. And this might help them and influence many psychiatrists who might argue otherwise. But there is a large subset who need to take them and sometimes be under court order to take meds, because of criminal-type behavior when off their antipsychotic medications. This is going to be a hard needle to thread.
      perro-salchicha614 likes this.