Centre For Clinical Research And Biostatistics (CCRB)

Back History

1 Unique Trial Number (assigned by CCRB)

CUHK_CCT00122

2 Trial Registration Date

2007-04-12

iRegistration Status

Retrospective

3 Secondary IDs

none

4 Source(s) of Funding

Research Grant Council Grant CUHK 4317/04

5 Primary Sponsor

Nil

6 Secondary Sponsor

N/A

Function

Please specify

7Responsible Contact Person (public contact person for patients interested in participating)

i Name

Pauline Kawn

ii Address

Department of Medicine and Therapeutics, The Chinese University of Hong Kong

iii Phone

26496222

iv Email

email paulinewkwan@gmail.com

v Affiliation

Dept of Medicine and Therapeutics, CUHK

vi Country

8Research Contact Person (person to contact for scientific inquiries)

i Name

Vincent Chung Tong MOK

ii Address

Dept of Medicine and Therapeutics, 9/F Clinical Sciences Bldg, Prince of Wales Hospital, Shatin, Hong Kong

iii Phone

2649-6222

iv Email

email vctmok@cuhk.edu.hk

v Affiliation

Dept of Medicine and Therapeutics, CUHK

vi Country

9 Official Scientific Title of the Study

Effect of Multivitamins Supplementation on the Progression of Cerebral White Matter Changes and Cognitive Impairment in Chinese Stroke Patients with Moderate to Severe Leukoaraiosis

10 Public Title

Effect of Multivitamins Supplementation on the Progression of Cerebral White Matter Changes and Cognitive Impairment in Chinese Stroke Patients with Moderate to Severe Leukoaraiosis

i Public Title in Chinese 研究名稱

11 Short Title (Optional)

VITATOPS MRI Substudy

12 Countries of Recruitment

Australia, Austria, Belgium, Brazil, Hong Kong, India, Italy, Malaysia, Moldova, Netherlands, New Zealand, Pakistan, Phillipines, Portugal, Republic of Georgia, Serbia, Singapore, Sri Lanka, UK, USA

13Research Ethic Review

i Has the study received appropriate ethics approval?

Yes

ii When is the approval date?

2004-05-04

iii Full Name of IRB/IEC

Please specify

iv IRB/IEC approval reference number

14 Medical Condition Being Studied

Stroke with Moderate to Severe Leukoaraiosis

15Intervention

i Types of intervention

Drug

Please specify

ii Description/ name of Intervention/article

Daily folate 2mg + Vitamins B6 25mg + B12 500 microgram

iii Dosage form of the intervention

iv Dosage of the intervention

v Duration of the intervention

2 years

vi Frequency of the intervention

16Comparative Treatments

i Description/ name of comparative treatments

Placebo

ii Dosage form of the comparative treatments

iii Dosage of the comparative treatments

iv Duration of the comparative treatments

v Frequency of the comparative treatments

17Key Inclusion and Exclusion Criteria

i Inclusion Criteria

Inclusion Criteria All subjects presenting within 7 months of a stroke or TIA are eligible provided they agree to take study medication, be available for follow-up and provide written informed consent.

ii Exclusion Criteria

Exclusion Criteria Taking vitamins on medical advice Independent self-medication with vitamin supplements containing B6, B12 or folate Taking methotrexate for any reason Pregnancy or women of child bearing potential who are at risk of pregnancy Limited (less than two years) life expectancy Auditory, visual, or language impairment, severe enough to prevent cognitive assessment Pacemaker or other contraindication to MRI scanning

iii Age Minimum

nil

iv Age Maximum

nil

v Gender

Both Male and Female

18 Study Type

Interventional

19Study Design

i Randomization

Randomized

Please specify

ii Nature of control

Placebo

iii Degree of masking

Double-blind

If Single-blind, who will be masked?

iv Group Assignment

Parallel

v Study Phase

Please specify

vi Study Objectives (Optional)

20 Anticipated trial start date

2004-09-01

21 Target Sample Size

100

22 Recruitment Status

Complete

23 Primary Outcome

Stroke (ischemic or hemorrhagic), myocardial infarction or death from any vascular cause

24 Secondary Outcome

Transient ischemic attack, depression, dementia, unstable angina, revascularization procedures of the coronary, cerebral or peripheral circulations

25Study Information/Publication

i Study Information/Publication Available?

No

ii Link to Study Information/Publication

26Last Update Date

2009-11-23

27 Primary Registry and Trial Identifying Number

ChiCTR-TRC-09000691

28 Date of Registration in Primary Registry

2010-05-04

Back History

Trial Detail