UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000005527
Receipt number R000006552
Scientific Title Effects of atypical antipsychotics on cognitive functioning in schizophrenia
Date of disclosure of the study information 2011/04/28
Last modified on 2015/11/02 16:40:52

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Basic information

Public title

Effects of atypical antipsychotics on cognitive functioning in schizophrenia

Acronym

Effects of atypical antipsychotics on cognitive functioning in schizophrenia

Scientific Title

Effects of atypical antipsychotics on cognitive functioning in schizophrenia

Scientific Title:Acronym

Effects of atypical antipsychotics on cognitive functioning in schizophrenia

Region

Japan


Condition

Condition

Schizophrenia

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effects of atypical antipsychotics (Aripiprazol, Olanzapine, Risperipone, Quetiapine) on cognitive functioning in schizophrenia by comparing outcome measures (neuropsychological tests and functional brain imaging) before and after administration of atypical antipsychotics.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

Neuropsychological tests
-Rey-Osterrieth Complex Figure Test
-Rey Auditory Verbal Learning Test
-Trail Making Test
-Modified Stroop Test
-Word Fluency Test
-Digit Span
-Brown-Peterson Task
-Reflection Task
-Sense of agency Task
Neuroeconomics Related Task: performance and the brain activation in ventral striatum and prefrontal lobe during the task.

Key secondary outcomes

PANSS (Positive and Negative Syndrome Scale)
Drug-Induced Extrapyramidal Symptoms Scale (DIEPSS)
Blood test


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Administration of atypical antipsychotics (aripiprazole, olanzapine, risperidone , quetiapine)

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

65 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Patients with schizophrenia diagnosed by DSM-IV
2. Patients agree to participate in the study on a written informed consent form.
3. Patients should be able to receive examination and assessment on designated date.
4. Patients with a total score of GAF ranging 11 to 90 and a score of severity in CGI-SCH ranging 3 to 6 are included. Moreover, we select patients with chlorpromazine-conversion dosage of 150mg to 2000mg/ day at baseline.

Key exclusion criteria

1. We exclude a patient who is comatose.
2. Patients who are heavily influenced by central nervous system depressant such as barbiturate and anesthetics.
3. Patients who are on adrenergic medication
4. Patients with a history of sensitivity to atypical antipsychotics
5. Patients who are diabetic or patients with a history of diabetes
6. Patients who are pregnant or breast feeding, have possibility of pregnancy
7. Patients who cannot be administered orally
8. Patients who are on antiperkinson drug

Target sample size

30


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Motoichiro Kato

Organization

Keio University

Division name

Department of Neuropsychiatry School of Medicine

Zip code


Address

Shinanomachi35 Shinjuku-ku Tokyo

TEL

03-5363-3829

Email

katomoto@z7.keio.jp


Public contact

Name of contact person

1st name
Middle name
Last name Takaki Maeda

Organization

Keio University

Division name

Department of Neuropsychiatry, School of Medicine

Zip code


Address

35 Shinanomachi Shinjuku-ku Tokyo

TEL

03-5363-3829

Homepage URL


Email

takaki@xa3.so-net.ne.jp


Sponsor or person

Institute

Keio University School of Medicine
Department of Neuropsychiatry

Institute

Department

Personal name



Funding Source

Organization

Ministry of Health, Labour and Welfare science research funds subsidy

Organization

Division

Category of Funding Organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

慶應義塾大学病院(東京都)


Other administrative information

Date of disclosure of the study information

2011 Year 04 Month 28 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2011 Year 03 Month 01 Day

Date of IRB


Anticipated trial start date

2011 Year 03 Month 01 Day

Last follow-up date

2013 Year 12 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2011 Year 04 Month 28 Day

Last modified on

2015 Year 11 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000006552


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name