UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000026241
Receipt number R000029969
Scientific Title The effectiveness and prognosis of several treatment options for treatment-resistant schizophrenia: An observational study
Date of disclosure of the study information 2017/03/01
Last modified on 2019/08/26 19:31:54

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Basic information

Public title

The effectiveness and prognosis of several treatment options for treatment-resistant schizophrenia: An observational study

Acronym

The effectiveness and prognosis of several treatment options for treatment-resistant schizophrenia: An observational study

Scientific Title

The effectiveness and prognosis of several treatment options for treatment-resistant schizophrenia: An observational study

Scientific Title:Acronym

The effectiveness and prognosis of several treatment options for treatment-resistant schizophrenia: An observational study

Region

Japan


Condition

Condition

Schizophrenia, Schizoaffective disorder

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Comparison of effectiveness over a medium term (approx. 2 years) of the following treatment options for refractory patients with schizophrenia or schizoaffective disorder: clozapine, long-acting injectable forms of atypical antipsychotic, oral atypical antipsychotics with long half-lives, dopamine partial agonist, and electroconvulsive therapy

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Percent change of Brief Psychiatric Rating Scale (BPRS) score from pre-treatment to post-treatment with the indexed treatment option

Key secondary outcomes

1. Percent change of BPRS from baseline to the study's endpoint of follow-up at 24 months
2. Percent change of Global Assessment of Functioning (GAF) from baseline to the study's endpoint of follow-up at 24 months
3. Clinical Global Impression-Change (CGI-C) at the study's endpoint at 24 months
4. Antipsychotics dose (chlorpromazine-equivalent dose) change from baseline to the study's endpoint at 24 months
5. Subjective symptoms reported by the patients
6. Percent change of Drug-induced Extra-pyramidal Symptoms Scale (DIEPSS) score from baseline to the study's endpoint at 24 months


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

16 years-old <=

Age-upper limit

65 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Having a diagnosis of schizophrenia or schizoaffective disorder according to DSM-5 (American Psychiatric Association)
2. Within age range from 16 to 65 years old at the attainment of informed consent
3. Not achieving a score >40 points on average on the GAF within 1 year prior to the study screening
4. Meeting the criteria for treatment-resistant schizophrenia
5. The patient has been informed of the diagnosis of schizophrenia or schizoaffective disorder
6. Japanese ethnicity

Key exclusion criteria

1. Under clozapine treatment
2. The patient has not been informed of the diagnosis
3. Refusing treatment for his/her schizophrenia or schizoaffective disorder
4. A history of head trauma injury accompanied by loss of consciousness
5. Having a diagnosis or a suspected diagnosis of a central nervous disease such as epilepsy, inflammatory disorder, degenerative disorder or cerebrovascular disease
6. Under a distressing physical condition due to severe physical disease such as heart, respiratory, intestinal or renal disease
7. Having a diagnosis or a suspected diagnosis of cancer
8. Pregnant or suspected of being pregnant
9. Lactating
10. Judged by his/her physician to be inappropriate to participate in the study for any reason other than reasons 1-9

Target sample size

300


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Masaomi Iyo

Organization

Chiba University Graduate School of Medicine

Division name

Department of Psychiatry

Zip code


Address

1-8-1 Inohana, Chuou-ku, Chiba City, Chiba, Japan

TEL

043-222-7171

Email

iyom@faculty.chiba-u.jp


Public contact

Name of contact person

1st name
Middle name
Last name Nobuhisa Kanahara

Organization

Chiba University Center for Forensic Mental Health

Division name

Division of Medical Treatment and Rehabilitation

Zip code


Address

1-8-1 Inohana, Chuou-ku, Chiba City, Chiba, Japan

TEL

043-222-7171

Homepage URL


Email

kanahara@faculty.chiba-u.jp


Sponsor or person

Institute

Department of Psychiatry, Chiba University Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

Organization

Division

Category of Funding Organization

Japanese Governmental office

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

同和会千葉病院(千葉県)、千葉県精神科医療センター(千葉県)、さつき会袖ヶ浦さつき台病院(千葉県)、
同仁会木更津病院(千葉県)、学而会木村病院(千葉県)、国保旭中央病院(千葉県)、成田赤十字病院(千葉県)、千葉市立青葉病院(千葉県)、白百合会市原鶴岡病院(千葉県)、市ヶ谷ひもろぎクリニック(東京都)、ホヅミクリニック(東京都)、南湖こころのクリニック(福島県)


Other administrative information

Date of disclosure of the study information

2017 Year 03 Month 01 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

No longer recruiting

Date of protocol fixation

2017 Year 02 Month 01 Day

Date of IRB

2017 Year 02 Month 01 Day

Anticipated trial start date

2017 Year 03 Month 01 Day

Last follow-up date

2020 Year 08 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Comparison of effectiveness over a medium term (approx. 2 years) of the following treatment options for refractory patients with schizophrenia or schizoaffective disorder: clozapine, long-acting injectable forms of atypical antipsychotic, oral atypical antipsychotics with long half-lives, dopamine partial agonist, and electroconvulsive therapy


Management information

Registered date

2017 Year 02 Month 21 Day

Last modified on

2019 Year 08 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000029969


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name