UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000030849
Receipt number R000035220
Scientific Title Study of ifenprodil effects on patients with methamphetamine dependence and development of fMRI biomarkers for methamphetamine dependence
Date of disclosure of the study information 2018/01/17
Last modified on 2021/01/19 10:15:45

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Basic information

Public title

Study of ifenprodil effects on patients with methamphetamine dependence and development of fMRI biomarkers for methamphetamine dependence

Acronym

Study of ifenprodil in methamphetamine dependence

Scientific Title

Study of ifenprodil effects on patients with methamphetamine dependence and development of fMRI biomarkers for methamphetamine dependence

Scientific Title:Acronym

Study of ifenprodil in methamphetamine dependence

Region

Japan


Condition

Condition

Stimulant Use Disorder (amphetamine-type substance)

Classification by specialty

Psychiatry Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

We have two purposes in the present study.
1) To investigate effects of ifenprodil treatment on patients with methamphetamine dependence and find a primary endpoint in a double-blind, placebo-controlled trial.
2) To develop fMRI biomarkers for methamphetamine dependence.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

The presence or absence of methamphetamine use during the 84-day administration period of ifenprodil or placebo.

Key secondary outcomes

1) The days and percentage of days abstinent from methamphetamine during the 84-day administration period (assessed by self-reports using the Timeline Follow-back method). The days and percentage of days of methamphetamine use during the 84-day administration period (assessed by self-reports using the Timeline Follow-back method).
2) Positive urine for methamphetamine (positive/negative, number of times, ratio) during the 84-day administration period.
3) Relapse risk (the Stimulant Relapse Risk Scale).
4) Drug craving (Numerical Rating Scale, 11-point scale).
5) Above outcomes assessed for 6 months (including 3 months after the medication).


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

NO

Dynamic allocation

YES

Institution consideration


Blocking

NO

Concealment

Central registration


Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Ifenprodil (120 mg/day, 84 days)

Interventions/Control_2

Ifenprodil (60 mg/day, 84 days)

Interventions/Control_3

Placebo (84 days)

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


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Outpatients who were diagnosed with methamphetamine use disorder assessed by DSM-5 (including first visit and return visit).
2) Those who used methamphetamine in the past year.
3) Those who are age 20 years old <= at obtaining of informed consent.

Key exclusion criteria

1) Patients with severe physical diseases.
2) Patients with high suicide risk.
3) Patients with severe symptoms of substance-induced psychotic disorder.
4) Patients with impaired cognitive function.
5) Patients who do not wish to be notified of the fMRI examination results.
6) Patients judged ineligible to participate in the study by the attending psychiatrist.
7) Patients taking paroxetine.

Target sample size

80


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Toshihiko Matsumoto

Organization

National Center of Neurology and Psychiatry

Division name

Department of Drug Dependence Research, National Institute of Mental Health

Zip code


Address

4-1-1 Ogawahigashi-machi, Kodaira-shi, Tokyo, JAPAN

TEL

042-346-1953

Email

tmatsu@ncnp.go.jp


Public contact

Name of contact person

1st name
Middle name
Last name Kazutaka Ikeda

Organization

Tokyo Metropolitan Institute of Medical Science

Division name

Department of Psychiatry and Behavioral Sciences, Addictive Substance Project

Zip code


Address

2-1-6 Kamikitazawa Setagaya-ku, Tokyo, JAPAN

TEL

03-6834-2379

Homepage URL


Email

ikeda-kz@igakuken.or.jp


Sponsor or person

Institute

National Center of Neurology and Psychiatry, National Center Hospital

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Tokyo Metropolitan Institute of Medical Science, National Center of Neurology and Psychiatry (Integrative Brain Imaging Center), Kyoto University, Advanced Telecommunications Research Institute International

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

国立精神・神経医療研究センター病院(東京都)
National Center of Neurology and Psychiatry, National Center Hospital (Tokyo)


Other administrative information

Date of disclosure of the study information

2018 Year 01 Month 17 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

2018 Year 01 Month 04 Day

Date of IRB

2018 Year 10 Month 27 Day

Anticipated trial start date

2018 Year 01 Month 18 Day

Last follow-up date

2019 Year 09 Month 05 Day

Date of closure to data entry

2019 Year 09 Month 12 Day

Date trial data considered complete

2019 Year 11 Month 07 Day

Date analysis concluded

2020 Year 02 Month 28 Day


Other

Other related information



Management information

Registered date

2018 Year 01 Month 17 Day

Last modified on

2021 Year 01 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000035220


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name