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CompletedNCT02267486QuQuUpdated Jul 15, 2016

Exploratory Study for the Validity of QuQu Scale

An observational study in Alzheimer Dementia, sponsored by Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan. Completed at 1 site in Japan. Per ClinicalTrials.gov, last updated 2016-07-15.

Sponsored by Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan · Observational

Study type
Observational
Time perspective
Prospective
Enrollment
972
Sex
All
01

Study summary

Examine the construct validity, the group discriminant ability, and the inter-rater reliability of a novel dementia rating scale (QuQu scale: QUick QUestion scale) candidate for the evaluation of patients with Alzheimer Dementia (AD)

02

Conditions studied

  • Alzheimer Dementia

Keywords

  • Alzheimer Dementia, AD
  • patients
  • cognitive
03

In context

Dementia

2,172 studies on the registry are indexed under Dementia; 541 are open to participants now.

This study's enrollment of 972 is above the median of 250 across 482 observational studies indexed under Dementia.

Browse Dementia studies →

Lead sponsor

Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan is the lead sponsor of 55 studies on the registry; 2 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Alzheimer Dementia (AD), non-dementia

Inclusion criteria

  1. Alzheimer Dementia (AD) patients and patients with cognitive concern without dementia
  2. Written Informed consent by each subject and/or a legal representative, and study informant. If the doctor decides that the patient has no trouble in understanding this study, the written informed consent of a legal representative may be exempted. If not, this study needs a written informed consent by a legal representative and the patient except the case where the consent is hardly obtained due to the progression of the disease.

Exclusion criteria

Exclusion Criteria:

  1. patients with other types of dementia (e.g. vascular dementia, Levy body dementia, frontotemporal dementia)
  2. patients with other diseases which cause secondary dementia prior to Alzheimer Dementia (AD)
  3. patients with other severe neurological disease or psychiatric disorder without Alzheimer Dementia (AD)
  4. patients with other medical conditions where the investigators determine that it is inappropriate for the subject of this study (e.g. inappropriate for the evaluation of dementia rating scale)
05

Study design

Time perspective
Prospective
Enrollment
972 participants (actual)
Patient registry
No

Groups and cohorts

  • Alzheimer Dementia (AD)

    Patients with dementia caused by Alzheimer's disease

    Other: Standard therapy of Alzheimer Dementia (AD)

  • Non-dementia

    Patients with cognitive concern without dementia

    Other: Observation

Interventions

  • OtherStandard therapy of Alzheimer Dementia (AD)
  • OtherObservation
06

What researchers measure

Primary outcomes

  1. Novel Dementia Rating Scale (QUick QUestion Scale)

    Time frame: 1 day

07

Study locations

1 site
  • Kagawa University School of Medicine
    Kida-gun, Kagawa 761-0793, Japan
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 15, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT02267486
Lead sponsor
Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan
Collaborators
Daiichi Sankyo Co., Ltd.
Responsible party
Sponsor
First posted
Oct 17, 2014
Start date
Oct 2014
Primary completion
Mar 2016
Last update
Jul 15, 2016

Study contacts

Yu Nakamura
principal investigator · Kagawa University School of Medicine
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2016. You cannot join it, but the record below documents what was studied.

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