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Study of Blood Lactate Levels in Patients Treated With Antipsychotics

Blood Lactate Levels in Patients Treated With Typical or Atypical Antipsychotics

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT01139463
Enrollment
60
Registered
2010-06-08
Start date
2008-06-30
Completion date
2009-10-31
Last updated
2010-06-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lactic Acidosis, Movement Disorders

Keywords

antipsychotics, lactates, side effects

Brief summary

Blood lactate levels in patients receiving typical or atypical antipsychotics have not been described in the literature. The goal of this study is to assess the dynamics of lactate levels in the blood from typical or atypical antipsychotics not confounded by prior antipsychotic treatments, the investigators conducted a prospective study of lactate levels in patients receiving antipsychotic medication. The investigators hypothesized that 6 months of treatment with haloperidol or olanzapine would result in a change in blood lactate levels and extrapyramidal side effects.

Detailed description

The aim of this study was to compare the blood lactate levels in patients receiving typical or atypical antipsychotics. Subjects included sixty patients with psychotic disorder were assigned to treatment for 6 months with haloperidol (typical antipsychotic), N=30 or olanzapine (atypical antipsychotic), N=30. Blood lactate levels, other metabolic parameters, and scores on the extrapyramidal symptom rating scale (ESRS) were assessed.

Interventions

DRUGHaloperidol or olanzapine

Haloperidol tablet - 5 mg twice daily (morning and evening) by mouth Olanzapine tablet - 5 mg twice daily (morning and evening) by mouth

Sponsors

University of Split
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
MALE
Age
20 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

* Men aged 20 - 50 years * Not taking any antipsychotic medication 1 month prior to the study * Diagnosed psychotic disorder

Exclusion criteria

* Female * Tobacco use * Diabetes mellitus * Baseline lactate blood level over 2.0 mmol/L

Design outcomes

Primary

MeasureTime frame
Blood lactate levels1 month

Secondary

MeasureTime frameDescription
Extrapyramidal side effects1 monthThe extrapyramidal symptom rating scale (ESRS) was used for assessment of four types of antipsychotic induced movement disorders: parkinsonism, akathisia, dystonia, and tardive dyskinesia referred to as extrapyramidal side effects in this study.

Countries

Croatia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026