UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044341
Receipt number R000050610
Scientific Title Observational study of Safinamide as add-on to levodopa monotherapy for Parkinson's disease patients with wearing-off in Japan
Date of disclosure of the study information 2021/05/28
Last modified on 2023/08/03 14:59:51

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Basic information

Public title

Observational study of Safinamide as add-on to levodopa monotherapy for Parkinson's disease patients with wearing-off in Japan

Acronym

J-SILVER study

Scientific Title

Observational study of Safinamide as add-on to levodopa monotherapy for Parkinson's disease patients with wearing-off in Japan

Scientific Title:Acronym

J-SILVER study

Region

Japan


Condition

Condition

Parkinson's disease

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To find the efficacy and safety of safinamide as first add-on treatment in Parkinson's disease patients with wearing off who are receiving oral levodopa-containing formulation only.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

<Parkinson's disease symptom assessment>
Patient diary (Off time, On time)
MDS-UPDRS(MDS-Unified Parkinson's Disease Rating Scale) part I, III, IV
<QOL assessment>
PDQ-39(Parkinson's disease questionnaire-39)
<Overall improvement assessment>
CGI-I(Clinical Global Impression-Improvement)
PGI-I(Patient Global Impression-Improvement)
<Pain assessment>
NRS(Numerical Rating Scale)
KPPS(King's Parkinson's Disease Pain Scale)
<Actigraph assessment>
Body movement, Energy consumption, Strength-related indicators, Walking, Sleep

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

(1)Patients who have fully understood the research contents and voluntarily provided a written informed consent to participate in this study.
(2)Patients over 20 years old at the time of informed consent. (No upper age limit.)
(3)Patients diagnosed
with Parkinson's disease based on the International Parkinson and Movement Disorder Society (MDS) diagnostic criteria (2015)
(4)Patients who are
using oral levodopa-containing formulation(excluding levodopa/carbidopa hydrate/entacapone combination drug) and have a predictable wearing-off phenomenon at the time of disappearance of drug efficacy, and whose effects of monotherapy with levodopa-containing formulation
are insufficient.
(5)Patients who will receive combination therapy with safinamide.
(6)Be able to record patient diary for 4 days or more of the last 7 days at baseline (week 0)

Key exclusion criteria

(1)Patients who received treatment with antiparkinsonian drugs other than oral levodopa-containing formulation within 4 weeks prior to baseline (week 0).
(2)Patients who are planning brain surgery (destructive surgery, deep brain stimulation, etc.)
for Parkinson's disease
(3)Patients with severe
liver dysfunction (Child-Pugh classification C)
(4)Patients with a history
of hypersensitivity to safinamide components
(5)Patients with
psychiatric disorders that may affect performance of scheduled examination.
(6)Patients who are pregnant or may be pregnant.
(7)Patients who principal investigator / coordinator have judged inappropriate to participate in this study

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Noriko
Middle name
Last name Nishikawa

Organization

Juntendo University Hospital

Division name

Department of Neurology

Zip code

113-8421

Address

Hongo3-1-3,Bunkyo-ku,Tokyo, 113-8421 Japan

TEL

03-3813-3111

Email

n.nishikawa.ts@juntendo.ac.jp


Public contact

Name of contact person

1st name Tomohito
Middle name
Last name Ide

Organization

APO PLUS STATION CO., LTD.

Division name

CRO Division

Zip code

103-0027

Address

14-1 Nihonbashi2-chome, Chuo-ku, Tokyo, 103-0027 Japan

TEL

03-6386-8800

Homepage URL


Email

J-SILVER@apoplus.co.jp


Sponsor or person

Institute

Juntendo University Hospital

Institute

Department

Personal name



Funding Source

Organization

Eisai Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Eisai Co., Ltd.

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Juntendo University Hospital Ethics Committee

Address

Hongo3-1-3,Bunkyo-ku,Tokyo, 113-8431 Japan

Tel

03-3814-5672

Email

kenkyu5858@juntendo.ac.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

順天堂大学医学部附属浦安病院(千葉県)、順天堂大学医学部附属順天堂越谷病院(埼玉県)、順天堂大学医学部附属順天堂東京江東高齢者医療センター(東京都)、順天堂大学医学部附属練馬病院(東京都)


Other administrative information

Date of disclosure of the study information

2021 Year 05 Month 28 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

Open public recruiting

Date of protocol fixation

2021 Year 03 Month 09 Day

Date of IRB

2021 Year 04 Month 23 Day

Anticipated trial start date

2021 Year 04 Month 23 Day

Last follow-up date

2023 Year 01 Month 31 Day

Date of closure to data entry

2023 Year 06 Month 19 Day

Date trial data considered complete

2023 Year 06 Month 19 Day

Date analysis concluded



Other

Other related information

Prospective observational study
Patients who visited our facility and met the selection criteria and obtained their consent by July 31, 2022 after the approval of the Ethics Committee.


Management information

Registered date

2021 Year 05 Month 26 Day

Last modified on

2023 Year 08 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050610


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name