UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000013736
Receipt number R000016026
Scientific Title Effects of N-acetylcysteine in subjects with at-risk mental state
Date of disclosure of the study information 2014/04/16
Last modified on 2017/08/21 15:46:50

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Basic information

Public title

Effects of N-acetylcysteine in subjects with at-risk mental state

Acronym

Effects of N-acetylcysteine in subjects with at-risk mental state

Scientific Title

Effects of N-acetylcysteine in subjects with at-risk mental state

Scientific Title:Acronym

Effects of N-acetylcysteine in subjects with at-risk mental state

Region

Japan


Condition

Condition

At-risk mental state

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The safer preventive intervention of psychosis in subjects with at-risk mental state (ARMS) is warranted. Given that N-acetylcysteine (NAC), a glutathione precursor, has neuroprotective effects, its preventive use in psychosis merits investigation.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Changes in the Scale of Prodromal Symptoms (SOPS)
Clinical evaluations: baseline, 12- and 24-weeks

Key secondary outcomes

Magnetic resonance spectroscopy, Brief Assessment of Cognition in Schizophrenia-Japanese language version (BACS-J), Schizophrenia Cognition Rating Scale (SCoRS), UCSD Performance-based Skills Assessment-Brief (UPSA-B), Schizophrenia Quality of Life Scale-Japanese version (SQLS-J), Drug-Induced Extrapyramidal Symptoms Scale(DIEPSS), laboratory tests


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -but assessor(s) are blinded

Control

Active

Stratification

YES

Dynamic allocation

YES

Institution consideration

Institution is considered as a block.

Blocking

NO

Concealment

Pseudo-randomization


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine Food

Interventions/Control_1

Control group with subthreshold psychosis are given normal treatment (supportive psychotherapy) including minimum use of the psychotropic drugs.

Interventions/Control_2

Subjects with subthreshold psychosis are given normal treatment with NAC (2000mg/day) as supplementation for 12 weeks.

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

40 years-old >

Gender

Male and Female

Key inclusion criteria

Individuals meeting criteria of prodromal syndromes based on the structural interview for prodromal symptoms are recruited from St. Marianna University School of Medicine Hospital.

Key exclusion criteria

i) comorbid central nervous system disorder
ii) meeting the DSM-IV-TR criteria for current and/or past alcohol or other substance dependence or abuse
iii) meeting the DSM-IV-TR criteria for mental retardation
iv) taking tricyclic antidepressants
v) treatment with electroconvulsive therapy within the 12 weeks preceding the study
vi) treatment with lithium, valproic acid, carbamazepine
vii) patients who were not voluntarily hospitalized
viii) active expression of suicidal ideation
ix) pregnancy or breast feeding
x) inability to understand the study protocol or being judged as uncooperative by the rater.

Target sample size

60


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Nobumi Miyake

Organization

St. Marianna University School of Medicine

Division name

Department of neuropsychiatry

Zip code


Address

2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa 216-8511, Japan

TEL

044-977-8111

Email

nobumiyake@marianna-u.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Nobumi Miyake

Organization

St. Marianna University School of Medicine

Division name

Department of neuropsychiatry

Zip code


Address

2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa 216-8511, Japan

TEL

044-977-8111

Homepage URL


Email

nobumiyake@marianna-u.ac.jp


Sponsor or person

Institute

Department of neuropsychiatry, St. Marianna University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

JSPS Grant-in-Aid for Young Scientists (B) 24791239

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization

Japan


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

聖マリアンナ医科大学病院(神奈川県)


Other administrative information

Date of disclosure of the study information

2014 Year 04 Month 16 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

Terminated

Date of protocol fixation

2012 Year 07 Month 09 Day

Date of IRB


Anticipated trial start date

2012 Year 10 Month 23 Day

Last follow-up date

2016 Year 03 Month 31 Day

Date of closure to data entry

2016 Year 03 Month 31 Day

Date trial data considered complete

2016 Year 03 Month 31 Day

Date analysis concluded

2016 Year 03 Month 31 Day


Other

Other related information



Management information

Registered date

2014 Year 04 Month 16 Day

Last modified on

2017 Year 08 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000016026


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name