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

September 20, 2024 updated by: WANG KAI, Anhui Medical University
To explore the efficacy of olfactory training on olfactory and other non-motor symptoms in PD.

Study Overview

Status

Not yet recruiting

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

40

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Anhui
      • Hefei, Anhui, China
        • Cognitive Neuropsychology Lab Anhui Medical University
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

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.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: OT grroup
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.
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.
No Intervention: No intervention group
There were only pre-test and post-test without any intervention

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Olfactory Function Test
Time Frame: baseline;15 weeks
The olfactory test developed by the Institute of Psychology, Chinese Academy of Sciences was used to evaluate the olfactory ability, including threshold, discrimination, and recognition.
baseline;15 weeks

Secondary Outcome Measures

Outcome Measure
Time Frame
MoCA
Time Frame: baseline;15 weeks
baseline;15 weeks
Pittsburgh sleep quality index
Time Frame: baseline;15 week
baseline;15 week
HAMA
Time Frame: baseline;15week
baseline;15week
HAMD
Time Frame: baseline;15 week
baseline;15 week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

September 25, 2024

Primary Completion (Estimated)

March 10, 2025

Study Completion (Estimated)

April 10, 2025

Study Registration Dates

First Submitted

September 19, 2024

First Submitted That Met QC Criteria

September 20, 2024

First Posted (Actual)

September 23, 2024

Study Record Updates

Last Update Posted (Actual)

September 23, 2024

Last Update Submitted That Met QC Criteria

September 20, 2024

Last Verified

September 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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