UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000017047
Receipt number R000019436
Scientific Title A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis
Date of disclosure of the study information 2015/04/10
Last modified on 2020/07/20 14:29:33

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Basic information

Public title

A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis

Acronym

Replacement with the Optimal Antipsychotic for Dopamine Supersensitivity Study (ROADS Study)

Scientific Title

A randomized, open-label clinical trial on the efficacy of blonanserin and olanzapine in patients with schizophrenia and dopamine supersensitivity psychosis

Scientific Title:Acronym

Replacement with the Optimal Antipsychotic for Dopamine Supersensitivity Study (ROADS Study)

Region

Japan


Condition

Condition

Schizophrenia

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the efficacy of blonanserin compared with olanzapine in patients with dopamine supersensitivity psychosis

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase

Phase IV


Assessment

Primary outcomes

Change in total score of the Positive and Negative Symptoms Scale (PANSS) between baseline and endpoint (6 months)

Key secondary outcomes

<Efficacy>
1) Before administration and 3 and 6 months after the start of administration:
-Change in daily dose of all antipsychotic drugs (calculated as chlorpromazine)
2) 3 months and 6 months after the start of administration:
-Dropout rate
-Monotherapy ratio
-PANSS (Positive Scale, Negative Scale, Comprehensive Psychopathology Scale)
-CGI-S
-Concomitant drugs

<Safety>
1) Before administration and 6 months after administration (final observation point/at the time of discontinuation):
-ESRS
-Adverse events
-Weight change
-Changes in blood test items:
Biochemistry (GOT, GPT, LDH, gamma-GTP, T-Bil, CPK, BUN, Cr, Na, K, Cl, CRP, T-Cho, TG, fasting (any time) blood glucose, HbA1c, prolactin), blood Arithmetic (WBC, RBC, Hb, Plt)
-ECG (change in QTc interval)
2) 1 month, 2 months, 3 months after the start of administration:
-ESRS
-Adverse events
-Weight change


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -but assessor(s) are blinded

Control

Active

Stratification


Dynamic allocation

YES

Institution consideration


Blocking


Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Blonanserin as add-on therapy

Interventions/Control_2

Olanzapine as add-on therapy

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)Diagnosed as a schizophrenia (DSM-IV-TR)
2)[Criteria for DSP]Treated with antipsychotics for at least 3 months
3)[Criteria for DSP] Relapse/exacerbation of psychosis in the past year under any of the following conditions:
a) Relapse/exacerbation within 6 weeks after reduction/discontinuance/non-adherence of oral antipsychotics
b) Relapse/exacerbation within 3 months after reduction/discontinuance/non-adherence of long acting injectable antipsychotics
c) Failure to control relapse/exacerbation using 20% increased dose of antipsychotics
d) New symptoms/severe exacerbation induced by reduction/discontinuance/non-adherence/replacement of antipsychotics
4) Total score of PANSS at baseline >= 78
5) Stable antipsychotic treatment for the 4 weeks before providing informed consent
6) Providing an informed consent

Key exclusion criteria

1)[Criteria for DSP] First episode schizophrenia
2)[Criteria for DSP] Unstable and continuous severe psychotic symptoms under antipsychotic treatment for more than 3 months
3))[Criteria for DSP] Deficit syndrome
4)Contraindication to blonanserin/olanzapine

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Masaomi
Middle name
Last name Iyo

Organization

Chiba University Graduate School of Medicine

Division name

Psychiatry

Zip code

260-8670

Address

1-8-1 Inohana, Chuo-ku, Chiba, Japan

TEL

+81-(0)43-226-2148

Email

iyom@faculty.chiba-u.jp


Public contact

Name of contact person

1st name Tomihisa
Middle name
Last name Niitsu

Organization

Chiba University Graduate School of Medicine

Division name

Department of Psychiatry

Zip code

260-8670

Address

1-8-1 Inohana, Chuo-ku, Chiba, Japan

TEL

+81-(0)43-226-2148

Homepage URL


Email

niitsu@chiba-u.jp


Sponsor or person

Institute

Chiba University Hospital Clinical Research Center

Institute

Department

Personal name



Funding Source

Organization

Sumitomo Dainippon Pharma Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Chiba University Hospital, IRB

Address

1-8-1 Inohana, Chuo-ku, Chiba

Tel

043-222-7171

Email

chibacrc@mac.com


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



Other administrative information

Date of disclosure of the study information

2015 Year 04 Month 10 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

61

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

2015 Year 02 Month 19 Day

Date of IRB

2015 Year 02 Month 19 Day

Anticipated trial start date

2015 Year 04 Month 16 Day

Last follow-up date

2018 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete

2018 Year 11 Month 30 Day

Date analysis concluded



Other

Other related information



Management information

Registered date

2015 Year 04 Month 05 Day

Last modified on

2020 Year 07 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000019436


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name