Optimization of Acute Treatment in First Episode Schizophrenia

L

Ludwig Maximilian University of Munich

Status and phase

Unknown
Phase 4

Conditions

Schizophrenia, First-Episode

Treatments

Drug: Risperidone, Haloperidol

Study type

Interventional

Funder types

Other
NETWORK
Industry

Identifiers

NCT00157378
01GI9933-P2.1.2.1

Details and patient eligibility

About

The study is a multicenter, double-blind, randomized, parallel-group study with first episode schizophrenic patients. During a treatment phase of 8 weeks the patients are treated with Risperidone or Haloperidol. Aim of the project is to compare the effects of the atypical neuroleptic Risperidone with those of the conventional neuroleptic Haloperidol and to evaluate whether the assumed advantages of atypical neuroleptics compared to conventional neuroleptics are also present when both medications are administered in rather low daily dosages (min. 2 mg/d; max. 8 mg/d).

Full description

Considering that first episode schizophrenic patients compared to multiple episode patients respond to lower dosages of neuroleptics, the study aims to reach neuroleptic response under the lowest possible dosage of the study medication (haloperidol or risperidone). Therefore the initial dosage of the study medication is 2 mg/d. Depending on the patients' symptomatology, the daily dosage of the study medication can be increased by 2 mg in weekly intervals up to a maximum dosage of 8 mg/d. Patients with the diagnosis of schizophrenia (F20, according to ICD-10-criteria) are consecutively enrolled in the study. The patients are assessed at weekly intervals during the acute inpatient treatment phase of 8 weeks. Apart from the weekly psychopathological characterisation additionally neuropsychobiological data are assessed at the time of admission and at the end of the study. Major questions of the study are, whether patients, who have been treated with risperidone compared with those, who have been treated with haloperidol show a better treatment outcome regarding negative symptoms and exhibit fewer extra-pyramidal motor side effects. Furthermore it is hypothesised, that the treatment with Risperidone has better effects on cognitive disorders/dysfunctions and depressive symptoms and that the patients, who receive Risperidone are more compliant and have a higher quality of life.

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • ICD-10 criteria for first episode schizophrenia
  • age between 18 and 55
  • informed consent

Exclusion criteria

  • legal reasons
  • insufficient knowledge of the german language
  • substance abuse or addiction
  • pregnancy
  • serious physical illness
  • organic brain disease
  • contraindication to neuroleptic treatment

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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