UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060284
Receipt number R000068963
Scientific Title Survey on the burden of sialorrhea symptoms in patients with parkinson's disease
Date of disclosure of the study information 2026/01/07
Last modified on 2026/01/07 15:56:40

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Basic information

Public title

Survey on the burden of sialorrhea symptoms in patients with parkinson's disease

Acronym

Survey on the burden of sialorrhea symptoms in patients with parkinson's disease

Scientific Title

Survey on the burden of sialorrhea symptoms in patients with parkinson's disease

Scientific Title:Acronym

Survey on the burden of sialorrhea symptoms in patients with parkinson's disease

Region

Japan


Condition

Condition

Parkinson's disease

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To clarify the comparative impact of sialorrhea against other motor symptoms (MS) and non-motor symptoms (NMS) on the daily functioning of patients with parkinson's disease (PD)

Basic objectives2

Others

Basic objectives -Others

To investigate the perceived burden of MS and NMS, and the impact of sialorrhea on QOL in patients with PD.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The total score and selection percentage for each symptom, based on a weighted ranking (1st rank = 5 points, 2nd = 4 points, 3rd = 3 points, 4th = 2 points, 5th = 1 point), derived from the top five most bothersome clinical symptoms (MS/NMS) experienced by Japanese PD patients in their daily life over the past month

Key secondary outcomes

-The total score and selection percentage for each symptom, based on a weighted ranking (1st rank = 5 points, 2nd = 4 points, 3rd = 3 points, 4th = 2 points, 5th = 1 point), derived from the top five most bothersome clinical symptoms (MS/NMS) experienced by Japanese PD patients in their daily life over the past month, within subgroups stratified by patient demographic and clinical characteristics
-Patient demographic and clinical characteristics stratified by the specific symptom chosen as most bothersome
-Results of supplementary questions regarding the impact of sialorrhea on QOL components (specific effects on constituents of QOL) targeting study participants who reported experiencing sialorrhea
-Results of the supplementary questions regarding the impact on QOL within subgroups of participants who reported experiencing sialorrhea, specifically cohorts stratified by patient demographic and clinical characteristics, and those comparing patients who ranked sialorrhea among their top five most bothersome clinical symptoms versus those who did not


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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Patients affiliated with PD patient organizations (specifically, the Kibou-no-kai for Young-Onset Parkinson's Disease and the Japan Parkinson's Disease Association)
2) Patients diagnosed with PD at least one month prior to the survey
3) Individuals aged 18 years or older, regardless of gender
4) Patients capable of self-completing the survey (assistance from a caregiver for input is permissible)
5) Patients able to provide voluntary informed consent for participation in this study

Key exclusion criteria

Patients currently participating in any interventional clinical trial

Target sample size

1400


Research contact person

Name of lead principal investigator

1st name Noriko
Middle name
Last name Nishikawa

Organization

Juntendo University School of Medicine

Division name

Department of Neurology

Zip code

113-8431

Address

3-1-3 Hongo Bunkyo-ku, Tokyo

TEL

03-3813-3111

Email

n.nishikawa.ts@juntendo.ac.jp


Public contact

Name of contact person

1st name Sakurako
Middle name
Last name Okayasu

Organization

QLife Inc.

Division name

Strategic Solution Planning & Development Dept

Zip code

105-0001

Address

10F, Toranomon 33 Mori Building, 3-8-21 Toranomon, Minato-ku, Tokyo

TEL

03-6860-5020

Homepage URL


Email

pd_drool@qlife.co.jp


Sponsor or person

Institute

Other

Institute

Department

Personal name



Funding Source

Organization

Other

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Japan Conference of Clinical Research

Address

1-13-23 Minami-Ikebukuro. Toshima-ku, Tokyo 171-0022

Tel

03-6868-7022

Email

c-irb_ug@neues.co.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

2026 Year 01 Month 07 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

2025 Year 11 Month 07 Day

Date of IRB

2025 Year 11 Month 20 Day

Anticipated trial start date

2026 Year 02 Month 28 Day

Last follow-up date

2026 Year 04 Month 03 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Study Design and Methods
This study employed a cross-sectional, non-interventional, quantitative study design utilizing a questionnaire. A questionnaire was developed to assess the bothersomeness of MS and NMS experienced by Japanese PD patients in their daily life over the past month. The questionnaire forms will be distributed to patients through Parkinson's disease patient associations (specifically, the Kibou-no-kai for Young-Onset Parkinson's Disease and the Japan Parkinson's Disease Association). The returned, completed questionnaires will be then analyzed.


Management information

Registered date

2026 Year 01 Month 07 Day

Last modified on

2026 Year 01 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068963