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The Efficacy of Olfactory Training Intervention on Olfactory and Other Non-motor Symptoms in PD

The Efficacy of Olfactory Training Intervention on Olfactory and Other Non-motor Symptoms in PD

Status
Not yet recruiting
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06607653
Enrollment
40
Registered
2024-09-23
Start date
2024-09-25
Completion date
2025-04-10
Last updated
2024-09-23

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

Conditions

Parkinson Disease, Olfactory Disorder, Olfactory Training

Keywords

Parkinson Disease, Olfactory Disorder, Olfactory training

Brief summary

To explore the efficacy of olfactory training on olfactory and other non-motor symptoms in PD.

Interventions

Olfactory training used repeated stimulation of different olfactory substances at high concentrations, combined with odor association and odor identification training, twice in the morning and evening, each time for 5 minutes, for 15 weeks.

Sponsors

Anhui Medical University
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
40 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. PD was diagnosed according to the criteria of Movement Disorders and Parkinson Disease Group of Chinese Society of Neurology of Chinese Medical Association. 2. Olfactory score was 1 standard deviation lower than the corresponding age norm; 3. no medication plan in the past four weeks or no change in medication plan in the past four weeks, which can be maintained until the end of the experiment; 4.40-75 years old, with normal vision, hearing and language understanding and expression ability; 5.Good cooperation of patients

Exclusion criteria

1. Parkinson's syndrome and Parkinson's plus syndrome caused by cerebrovascular disease, encephalitis, trauma, drugs, etc.; 2. Neuropsychiatric diseases that may affect the sense of smell, such as depression, anxiety, schizophrenia, etc.; 3. History of nasal disease or surgery, such as rhinitis, sinusitis, nasal septum deviation, etc. Upper respiratory tract infection in the past 3 weeks; 4. Long-term smoking and occupations that inhale chemical irritants for a long time.

Design outcomes

Primary

MeasureTime frameDescription
Olfactory Function Testbaseline;15 weeksThe olfactory test developed by the Institute of Psychology, Chinese Academy of Sciences was used to evaluate the olfactory ability, including threshold, discrimination, and recognition.

Secondary

MeasureTime frame
MoCAbaseline;15 weeks
Pittsburgh sleep quality indexbaseline;15 week
HAMAbaseline;15week
HAMDbaseline;15 week

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026