About this trial
The study is being conducted to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of XJN010 Nasal Spray in Patients with Parkinson's Disease Experiencing Off Episodes
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male or female patients aged 30 to 85 years (inclusive);
Diagnosed with Parkinson's disease according to the Chinese Diagnostic Criteria for Parkinson's Disease (2016), with a disease duration of at least 3 years;
Patients with a Hoehn-Yahr stage rating (during "on" periods) of 1 to 3;
Demonstrates responsiveness to levodopa (≥30% improvement/decrease in UPDRS-III score (motor examination) from "off" to "on" state following morning administration of routine levodopa dose);
Disqualifiers
Individuals with motor impairments that severely affect their ability to participate in and perform study procedures;
Those exhibiting dyskinesia that significantly impacts daily functioning;
Known hypersensitivity/allergic reaction or intolerance to any component of the investigational drug;
Previous Parkinson's disease (PD) surgery (including but not limited to deep brain stimulation or brain cell transplantation) or planned PD surgery during the trial period;
Trial design
Parallel
Treatments tested in this trial
XJN010 Nasal Spray
DrugIn the XJN010 Nasal Spray group, subjects will receive XJN010 Nasal Spray,Based on the frequency of the "off" periods experienced by Parkinson's patients.
Placebo
DrugIn the XJN010 Nasal Spray blank preparation group, subjects will receive XJN010 Nasal Spray blank preparation, Based on the frequency of the "off" periods experienced by Parkinson's patients .
Treatment groups
Trial outcomes
Primary outcomes
MDS-UPDRS part III score
MDS - Unified Parkinson's Disease Rating Scale Part III,The minimum score is 0 and the maximum is 4, higher scores mean a worse outcome.
Secondary outcomes
The proportion of patients whose condition progresses from the "OFF" phase to the "on" phase and remains in the "on" phase state
The proportion of patients whose condition progresses from the "closed" phase to the "open" phase and remains in the "open" phase state
The duration of the "OFF" period compared to the baseline value
The duration of the "OFF" period compared to the baseline value
PDQ-39 score
Parkinson's disease Questionnaire-39 score,The minimum score is 0 and the maximum is 4, higher scores mean a worse outcome.
Maximum blood concentration (Cmax)
Maximum blood concentration (Cmax)
Sponsors and contacts
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