About this trial
To explore the efficacy of olfactory training on olfactory and other non-motor symptoms in PD.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
PD was diagnosed according to the criteria of Movement Disorders and Parkinson Disease Group of Chinese Society of Neurology of Chinese Medical Association.
Olfactory score was 1 standard deviation lower than the corresponding age norm;
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;
Disqualifiers
Parkinson's syndrome and Parkinson's plus syndrome caused by cerebrovascular disease, encephalitis, trauma, drugs, etc.;
Neuropsychiatric diseases that may affect the sense of smell, such as depression, anxiety, schizophrenia, etc.;
History of nasal disease or surgery, such as rhinitis, sinusitis, nasal septum deviation, etc. Upper respiratory tract infection in the past 3 weeks;
Long-term smoking and occupations that inhale chemical irritants for a long time.
Trial design
Parallel
Treatments tested in this trial
Olfactory training
DeviceOlfactory 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.
Treatment groups
Trial outcomes
Primary outcomes
Olfactory Function Test
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.
Secondary outcomes
MoCA
Pittsburgh sleep quality index
HAMA
HAMD
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
This trial is not recruiting at the moment. You can still explore other options: