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Effect of opicapone on nocturnal hypokinesia in patients with Parkinson’s disease

Effect of opicapone on nocturnal hypokinesia in patients with Parkinson’s disease

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CRIS
Registry ID
KCT0010294
Enrollment
30
Registered
2025-03-13
Start date
2023-06-07
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

None listed

Interventions

Drug : Patients will receive opicapone 50 mg once daily at bedtime for 6 weeks.

Sponsors

Chungnam National University Sejong Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Participants must provide written informed consent voluntarily, either personally or through a legally authorized representative. - If only the representative provides written consent due to the participant’s inability to do so, additional verbal consent from the participant is required, and documentation of this verbal consent must be maintained. 2. Male or female participants aged =20 years at the time of written consent. 3. Diagnosis of Parkinson’s disease (PD) according to the criteria of the International Parkinson and Movement Disorder Society. 4. Presence of nocturnal hypokinesia. - Defined as a score of =1 on Question 9 (nocturnal hypokinesia) of the Parkinson’s Disease Sleep Scale-2 (PDSS-2). 5. Hoehn and Yahr stage I–IV in the ON state. 6. Not currently taking levodopa preparations or other Parkinson’s disease medications at bedtime. 7. Stable use of levodopa preparations for at least 4 weeks prior to study participation. 8. Stable use of other Parkinson’s disease treatments for at least 4 weeks prior to study participation.

Exclusion criteria

Exclusion criteria: 1. Atypical or secondary parkinsonism. 2. Narcolepsy, excessive daytime sleep disorders, or sudden sleep onset. 3. History of dementia (Mini-Mental Status Examination [MMSE] = 20). 4. History of hallucinations or psychosis. 5. Contraindications to opicapone administration. 6. Any condition deemed by the investigator to interfere with study participation.

Design outcomes

Primary

MeasureTime frame
Changes in the Nocturnal Hypokinesia Questionnaire-Korean Version (NHQ-K) score

Secondary

MeasureTime frame
Change in PDSS-2 score at 6 weeks post-treatment;Change in MDS-UPDRS score at 6 weeks post-treatment;Change in PDQ-39 score at 6 weeks post-treatment;Change in NMSS score at 6 weeks post-treatment;Change in SCOPA-Sleep score at 6 weeks post-treatment;Change in SCOPA-Aut score at 6 weeks post-treatment;Change in QUIP score at 6 weeks post-treatment;Change in KESS score at 6 weeks post-treatment;Change in RBD-Q score at 6 weeks post-treatment;Change in FOG-Q score at 6 weeks post-treatment

Countries

Korea, Republic of

Contacts

Public ContactChaewon Shin

Seoul National University Bundang Hospital

chroma0202@gmail.com+82-31-787-7476

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026