UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000002650
Receipt number R000003144
Scientific Title Effects of vitamin B6 in children with autism: a randomized controlled trial
Date of disclosure of the study information 2009/11/01
Last modified on 2013/10/24 09:09:46

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Basic information

Public title

Effects of vitamin B6 in children with autism: a randomized controlled trial

Acronym

Vitamin B6 and autism

Scientific Title

Effects of vitamin B6 in children with autism: a randomized controlled trial

Scientific Title:Acronym

Vitamin B6 and autism

Region

Japan


Condition

Condition

Autism

Classification by specialty

Pediatrics Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of vitamin B6 in children with autism

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Explanatory

Developmental phase



Assessment

Primary outcomes

Pervasive Developmental Disorders Autism Society Japan Rating Scale (PARS)
Clinical Global Impressions (CGI)

Key secondary outcomes

Aberrant Behavior Checklist (ABC)
Social Maturity Scale


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is considered as a block.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

After 2 weeks run-in period, pyridoxal 5'-phosphate is given in doses of 5 mg/kg/d in the first 2 weeks. In the following 2 weeks, pyridoxal phosphate is given in doses of 10 mg/kg/d. Pyridoxal phosphate is given orally in powder or tablet form.

Interventions/Control_2

After 2 weeks run-in period, placebo is supplied in a powder or tablet form that is identical in appearance and taste to pyridoxal 5'-phosphate in 4 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

3 years-old <=

Age-upper limit

14 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Meeting the ICD-10 criteria for Childhood autism F84.0, Atypical autism F84.1, Asperger's syndrome F84.5, or Other pervasive developmental disorders F84.8
2) Having symptom of hypersensitivity to sound or plasma glutamine concentration of <420 nmol/mL

Key exclusion criteria

1) History of epileptic seizures within 3 months prior to the study
2) Use of vitamin B6 supplements or drugs within 3 months prior to the study
3) History of homocystinuria or fragile X-syndrome.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Shinichi Kuriyama

Organization

Tohoku University International Research Institute of Disaster Science

Division name

Department of Disaster Public Health

Zip code


Address

2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan

TEL

022-717-8104

Email

kuriyama@med.tohoku.a.cjo


Public contact

Name of contact person

1st name
Middle name
Last name Shinichi Kuriyama

Organization

Tohoku University International Research Institute of Disaster Science

Division name

Department of Disaster Public Health

Zip code


Address

2-1, Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan

TEL

022-717-8104

Homepage URL


Email

kuriyama@med.tohoku.a.cjo


Sponsor or person

Institute

Department of Disaster Public Health

Institute

Department

Personal name



Funding Source

Organization

Ministry of Education, Culture, Sports, Science and Technology

Organization

Division

Category of Funding Organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Department of Pediatrics Tohoku University School of Medicine
National Institute of Mental Health: National Center of Neurology and Psychiatry
Yasuhara Children Clinic

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・神経センター病院(東京都)
安原こどもクリニック(大阪府)


Other administrative information

Date of disclosure of the study information

2009 Year 11 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

Preinitiation

Date of protocol fixation

2009 Year 10 Month 01 Day

Date of IRB


Anticipated trial start date

2009 Year 11 Month 01 Day

Last follow-up date

2012 Year 09 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2009 Year 10 Month 20 Day

Last modified on

2013 Year 10 Month 24 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000003144


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name