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Double blind, parallel-group clinical study of AD-810N (zonisamide) for Parkinson's disease

Double blind, parallel-group clinical study of AD-810N (zonisamide) for Parkinson's disease

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080220097
Enrollment
Unknown
Registered
2005-09-12
Start date
2005-09-12
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Parkinson's disease

Interventions

Sponsors

Dainippon Sumitomo Pharma Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: [Major inclusion criteria] 1) Patients who have been treated with L-DOPA for 6 months or longer with sufficient effects observed from the beginning of administration and have received the L-DOPA at a constant dose for at least 6 weeks prior to the start of administration of the investigational drug (4 weeks after the start of the observation period) 2) Age: >=20 and <80 3) Gender: Male or Female 4) Inpatient/Outpatient status: Either 5) Patients who have given written informed consent 6) Patients who can comply with the study schedule [Major exclusion criteria] 1) Patients with Parkinson's syndrome other than Parkinson's disease 2) Patients with epilepsy 3) Patients with a history of treatment with zonisamide (including those currently receiving zonisamide) 4) Patients with a complication or having a medical history of serious hepatic diseases 5) Patients with serious cardiac or renal disease, or who have other serious complications 6) Patients with psychiatric symptoms, such as serious confusion, hallucinations, delusions, abnormal behavior 7) Patients with severe dementia 8) Patients with history of neuroleptic malignant syndrome 9) Pregnant women, women possibly pregnant, women who wished to become pregnant and nursing women 10) Patients with cancer and/or a history of cancer 12) Patients otherwise considered by the investigator or subinvestigator to be ineligible for participation in the study

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
[Efficacy]Primary variable- Unified Parkinson's Disease Rating Scale (UPDRS) Part III total score [Safety]- Adverse events

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026