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Olfactory training for cognitive function in Parkinson's disease - single center clinical trial

Olfactory training for cognitive function in Parkinson's disease - single center clinical trial - Olfactory training for cognitive function in Parkinson's disease - single center clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000023178
Enrollment
100
Registered
2016-08-01
Start date
2019-04-18
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson&#39

Interventions

Sponsors

Juntendo University School of Medicine, Department of Neurology
Lead Sponsor
SENDAI NISHITAGA NATIONAL HOSPITAL T.Hasegawa CO.,LTD
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Patients with Parkinson's disease; MDS clinical diagnostic criteria for Parkinson's disease 2)No change in Anti-parkinsonian medications over 4 weeks 3)Lower than Modified Hoehn and Yahr stage 4 4)Mini Mental State Examination over 20, lower than 26 5)Inpatients or outpatients 6)Living with their caregivers 7)Age over 19, both women and men 8)Agreed with signed consent form

Exclusion criteria

Exclusion criteria: 1)dementia or person who cannot understand the way of olfactory training 2)Patients with Parkinsonism 3)Modified Hoehn & Yahr stage 5 4)abnormal olfactory function based on ENT problem, or sever cardiac, pulmonary, liver, gastrointestinal disease. 5)patients with carcinoma 6)pregnancy 7)allergy 8)person who are considered to be inappropriate.

Design outcomes

Primary

MeasureTime frame
The rate of change in Japanese version of Montreal congnitive Assessment(MOCA-J) between first week and 12weeks.

Secondary

MeasureTime frame
1)Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS),The Odor Stick Identification Test for the Japanese (OSIT-J), MMSE, Beck Depression Inventory (BDI), Parkinson's Disease Questionnaire-39 (PDQ-39),T&T olfactometry.These rates of change between first week and 12weeks. 2)Duration until stopping the study due to change of anti-Parkinsonian medications 3)Otorhinolaryngology examination

Countries

Japan

Contacts

Public ContactMayuko Ogawa

Juntendo University School of Medicine Department of Neurology

maogawa@juntendo.ac.jp03-3813-3111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026