UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000002347
Receipt number R000001990
Scientific Title Effects of the timing of administration of oral small spherical activated charcoal (Kremezin) on the pharmacokinetics and pharmacodynamics of triazolam in humans
Date of disclosure of the study information 2009/08/20
Last modified on 2012/12/20 09:23:44

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Basic information

Public title

Effects of the timing of administration of oral small spherical activated charcoal (Kremezin) on the pharmacokinetics and pharmacodynamics of triazolam in humans

Acronym

Interaction between activated charcoal and triazolam

Scientific Title

Effects of the timing of administration of oral small spherical activated charcoal (Kremezin) on the pharmacokinetics and pharmacodynamics of triazolam in humans

Scientific Title:Acronym

Interaction between activated charcoal and triazolam

Region

Japan


Condition

Condition

healthy volunteers

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine whether the timing of administration of small spherical activated charcoal (Kremezin) affects the pharmacokinetics and pharmacodynamics of triazolam in humans

Basic objectives2

PK,PD

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

plasma triazolam concentrations
subjective drowsiness
psychomotor performance (digit symbol substitution test)

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

No need to know


Intervention

No. of arms

4

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

1)triazolam alone,2)simultaneous administration of triazolam and small spherical activated chaecol(Kremezin),3)triazolam administration 60 min after Kremezin,4)triazolam administration 30 min after Kremezin

Interventions/Control_2

1)simultaneous administration of triazolam and Kremezin,2)triazolam administration 30 min after Kremezin,3)triazolam alone,4)triazolam administration 60 min after Kremezin

Interventions/Control_3

1)triazolam administration 30 min after Kremezin,2)triazolam administration 60 min after Kremezin,3)simultaneous administration of triazolam and Kremezin,4)triazolam alone

Interventions/Control_4

1)triazolam administration 60 min after Kremezin,2)triazolam alone,3)triazolam administration 30 min after Kremezin,4)simultaneous administration of triazolam and Kremezin

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

40 years-old >=

Gender

Male and Female

Key inclusion criteria

1)written informed consent before the study
2)volunteers ascertained to be healthy by a medical history, a physical examination, electrocardiogram, whole blood cell counts, serum chemical analysis and urinalysis.

Key exclusion criteria

1)smokers
2)pregnant women
3)nursing women

Target sample size

12


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Tsutomu Kotegawa

Organization

Oita University Faculty of Medicine

Division name

Clinical Pharmacology and Therapeutics

Zip code


Address

Idaigaoka1-1, Hasama-machi, Yufu, Oita 879-5593

TEL

097-586-5952

Email



Public contact

Name of contact person

1st name
Middle name
Last name Tsutomu Kotegawa

Organization

Oita University Faculty of Medicine

Division name

Clinical Pharmacology and Therapeutics

Zip code


Address

Idaigaoka1-1, Hasama-machi, Yufu, Oita 879-5593

TEL

097-586-5952

Homepage URL


Email

kotet@med.oita-u.ac.jp


Sponsor or person

Institute

Dept. of Clinical Pharmacology and Therapeutics, Oita University Faculty of Medicine

Institute

Department

Personal name



Funding Source

Organization

KUREHA CORPORATION

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

None

Name of secondary funder(s)

None


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



Other administrative information

Date of disclosure of the study information

2009 Year 08 Month 20 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

2009 Year 07 Month 10 Day

Date of IRB


Anticipated trial start date

2009 Year 08 Month 01 Day

Last follow-up date

2010 Year 03 Month 01 Day

Date of closure to data entry

2010 Year 03 Month 01 Day

Date trial data considered complete

2010 Year 06 Month 01 Day

Date analysis concluded

2010 Year 07 Month 01 Day


Other

Other related information



Management information

Registered date

2009 Year 08 Month 18 Day

Last modified on

2012 Year 12 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000001990


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name