RESEARCH / PARTICIPATIONBack to the library
← Find a study
Recruiting · registry status

What matters when choosing advanced Parkinson's treatment?

People with advanced Parkinson's in Japan describe which treatment features are most important to them.

Learning by observing or collecting information · Study reference: JPRN-UMIN000051513

Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓

This registry record was last updated over six months ago, or its update date is missing. Recruitment may have changed. Confirm with the team before making plans.

Open the official registry record ↗

Follow this study

Results reported

Start (reported date)
2023-08-01
Study finished (reported date)
2024-12-31

Planned dates can move. A study finishing does not tell us when a paper will be published.

Read the results reported in the registry

Changes we have recorded
  • 2026-10-11 — recruiting

These are dates we observed a change, not necessarily the dates it happened.

Papers connected to this study

No connected paper has been found yet. The tracker checks the growing library for study identifiers and registry-linked publications.

Who can join?

Age 30years-old and over · Ask the team who can join

These are starting points, not the full rules. The research team can tell you whether the study is right for your situation.

Read all the rules for taking part

Sex eligibility reported by registry: male and female

Inclusion criteria: 1) Diagnosis of Parkinson's Disease (confirmed by a physician) 2) Adults (30 years of age or older) 3) Receiving PD treatment (oral medications and/or applied therapy) in Japan 4) Patients who meet any of the 5-2-1 criteria (defined by physicians) a. Taking oral levodopa five or more times per day b. Off time for more than 2 hours per day c. Troublesome dyskinesia for more than 1 hour per day 5) Able to respond to this survey by themselves (assistance for entering their answers to the web-based questionnaire by their caregivers is allowed) 6) Given consent to the study Exclusion criteria: 1) Patients with experience in any device-aided therapy (DATs; CSCI, LCIG, or DBS) or FUS 2) Patients with impaired cognitive function (e.g., MMSE under 23, taking medicine for Alzheimer's disease or cognitive impairment (specifically: donepezil HCl, rivastigmine transdermal system, galantamine, galantamine HBr, memantine HCI)), or psychosis (either past history or current) 3) Patients with a diagnosis of atypical or secondary Parkinsonism 4) Patients with visual impairment significant enough that they cannot comply with the study procedures 5) Did not provide consent to participate (and record the interview) 6) Is not willing nor able to comply with procedures required in this protocol 7) Patients who are pregnant 8) Not fluent in Japanese
Full study name & original research details

Official study title

Important treatment attributes considered by Japanese patients with advanced Parkinson's disease (aPD) - Important treatment attributes considered by Japanese patients with advanced Parkinson's disease (aPD)

Short title used by the registry

Important treatment attributes considered by Japanese patients with advanced Parkinson's disease (aPD)

Original description

Primary outcome: The preference weight and the relative importance (%) of the attributes will be identified by the phase 1 interview conducted in this study in Japanese aPD patients. Secondary outcome: The preference weight and the relative importance (%) of each attribute in each patient subgroup.

Conditions reported: Advanced Parkinson's disease (aPD)

Registry records for this study

Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.

Study type
Observational
Interventions
Not reported
Phases
Not selected
Sponsor
AbbVie GK
Start date reported by registry
2023-08-01 (reported)

Registry updated: Not reported · Status last verified by the registry submitter: Not reported

Registry records retrieved 2026-10-11 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.

Contact the research team

Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.

Toshiki Nozaki · 080-4127-7549 · toshiki.nozaki@abbvie.com

Study locations

Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.

Facility not reported

Japan

Status not reported

The original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.