UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000037421
Receipt number R000042538
Scientific Title An open-labeled single arm study on improvement of cognitive function by istradefylline for parkinson disease
Date of disclosure of the study information 2019/08/01
Last modified on 2023/07/23 11:25:41

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Basic information

Public title

A study on improvement of cognitive function by istradefylline for parkinson disease

Acronym

A study on improvement of cognitive function by istradefylline for parkinson disease

Scientific Title

An open-labeled single arm study on improvement of cognitive function by istradefylline for parkinson disease

Scientific Title:Acronym

A study on improvement of cognitive function by istradefylline for parkinson disease

Region

Japan


Condition

Condition

Parkinson disease

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To validate whether istradefylline improves cognitive function of Parkinson disease.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Primary outcome is digit span test, arithmetic test, verval fluency test, Standard verbal paired-associate learning test, Benton visual retention test. These tests will be evaluated 12weeks later after starting treatment.

Key secondary outcomes

Secondary outcomes are Movement Disorder Society-Unified Parkinson Disease Rating Scale(MDS-UPDRS),mini-mental state examination(MMSE), Non-motor symptoms scales and freezing of gait of questionnaire(FOG-Q).


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Prescription istradefylline 20 mg for 1 month. If there are no side effects, We increase to 40 mg and prescribe for 2 months.
The assessments will be made in all patients participating the study, patients with MMSE scores of 26 or more, patients with MMSE score of less than 26.

Interventions/Control_2


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

40 years-old <=

Age-upper limit

85 years-old >=

Gender

Male and Female

Key inclusion criteria

1. The patients meet clinically established or clinically probable cases of clinical diagnostic criteria of Parkinson disease by Movement Disorder Society
2. The item of Attention/memory in NMSS is 1 or more.
3. The patient is treated with drugs that include L-dopa
4. The age of patients is 40 to 85years old.
5. Written consent has been obtained.

Key exclusion criteria

1. Mini mental state examination (MMSE) is 20 points or less.
2. Istradefylline has been prescribed

Target sample size

25


Research contact person

Name of lead principal investigator

1st name Masahiro
Middle name
Last name Kanai

Organization

Ichinomiya Nishi Hospital

Division name

Neurology

Zip code

494-0001

Address

1, Kaimei-hira, Ichinomiya-city, Aichi, 494-0001, Japan

TEL

0586480077

Email

masabilliard35@yahoo.co.jp


Public contact

Name of contact person

1st name Masahiro
Middle name
Last name Kanai

Organization

Ichinomiya Nishi Hospital

Division name

Neurology

Zip code

494-0001

Address

1, Kaimei-hira, Ichinomiya-city, Aichi

TEL

0586480077

Homepage URL


Email

masabilliard35@yahoo.co.jp


Sponsor or person

Institute

Ichinomiya Nishi Hospital

Institute

Department

Personal name



Funding Source

Organization

none

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ichinomiya Nishi Hospital

Address

1, Kaimei-hira, Ichinomiya-city, Aichi

Tel

0586480077

Email

matsubara@anzu.or.jp


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

2019 Year 08 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

14

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

2019 Year 02 Month 01 Day

Date of IRB

2019 Year 02 Month 15 Day

Anticipated trial start date

2019 Year 08 Month 01 Day

Last follow-up date

2021 Year 08 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

2019 Year 07 Month 18 Day

Last modified on

2023 Year 07 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000042538


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name