UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000001841
Receipt number R000002217
Scientific Title A randomized, double blind, comparative study of vitamin D3 versus placebo in patients with Parkinson disease aged between 45 and 85 years old to improve neurological signs and quality of life
Date of disclosure of the study information 2009/04/02
Last modified on 2013/10/02 13:58:53

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Basic information

Public title

A randomized, double blind, comparative study of vitamin D3 versus placebo in patients with Parkinson disease aged between 45 and 85 years old to improve neurological signs and quality of life

Acronym

RCT with vitamin D for Parkinson disease

Scientific Title

A randomized, double blind, comparative study of vitamin D3 versus placebo in patients with Parkinson disease aged between 45 and 85 years old to improve neurological signs and quality of life

Scientific Title:Acronym

RCT with vitamin D for Parkinson disease

Region

Japan


Condition

Condition

Parkinson disease

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

We will determine if vitamin D3 peroral administration of 1200IU/day for 1 year can prevent progression or improve signs of Parkinson disease evaluated with UPDRS, HY stage, MMSE, PDQ-39 and EQ-5D, by conducting a double blind randomized controlled clinical trial and by targeting age 55 to 75 years old.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

changes of UPDRS, HY stage, MMSE

Key secondary outcomes

changes of PDQ-39 and EQ-5D


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

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Vitamin D3

Interventions/Control_2

placebo

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

45 years-old <=

Age-upper limit

85 years-old >

Gender

Male and Female

Key inclusion criteria

1. Enrollment at Jikei University Aoto hospital
2. Obtained informed consent
3. Age 45 and more and less than 85 years old

Key exclusion criteria

1. Already taking vitamin D supplement or 1,25 vitamin D
2. History of kidney stone
3. Familial or early onset (< 55 years old) type of Parkinson disease
4. Osteoporosis
5. Other difficulties judged by the physician in charge

Target sample size

120


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Mitsuyoshi Urashima

Organization

Jikei University School of Medicine

Division name

Division of Molecular Epidemiology

Zip code


Address

3-25-8 Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan

TEL

03-3433-1111

Email



Public contact

Name of contact person

1st name
Middle name
Last name Emi Suzuki

Organization

Jikei University School of Medicine

Division name

Division of Molecular Epidemiology

Zip code


Address


TEL


Homepage URL

http://docrd.jp

Email

urashima@jikei.ac.jp


Sponsor or person

Institute

Jikei University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Jikei University School of Medicine

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



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



Other administrative information

Date of disclosure of the study information

2009 Year 04 Month 02 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications

http://www.ncbi.nlm.nih.gov/pubmed/23485413

Number of participants that the trial has enrolled


Results


Vitamin D3 supplementation may stabilize PD for a short period in patients with FokI TT or CT genotypes without triggering hypercalcemia, although this effect may be nonspecific for PD. This trial was registered at UMIN Clinical Trials Registry as UMIN000001841.

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 03 Month 09 Day

Date of IRB


Anticipated trial start date

2009 Year 04 Month 01 Day

Last follow-up date

2012 Year 03 Month 31 Day

Date of closure to data entry

2012 Year 04 Month 30 Day

Date trial data considered complete

2012 Year 05 Month 31 Day

Date analysis concluded

2012 Year 06 Month 30 Day


Other

Other related information





Am J Clin Nutr. 2013 May;97(5):1004-13. doi: 10.3945/ajcn.112.051664. Epub 2013 Mar 13.

Randomized, double-blind, placebo-controlled trial of vitamin D supplementation in Parkinson disease.

Suzuki M, Yoshioka M, Hashimoto M, Murakami M, Noya M, Takahashi D, Urashima M.


Management information

Registered date

2009 Year 04 Month 02 Day

Last modified on

2013 Year 10 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000002217


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name