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A comparative randomized study for the evaluation of the overlaying effect of Selegiline or Zonisamide over Levodopa in Parkinson's disease

A comparative randomized study for the evaluation of the overlaying effect of Selegiline or Zonisamide over Levodopa in Parkinson's disease - The DAT-SPECT study for the benefit of Selegilline or Zonisamide in Parkinson's Disease(DATSZ-PD study)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000022533
Enrollment
180
Registered
2016-06-01
Start date
2016-06-01
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&#39

Interventions

L-Dopa/DCI only The drug is administered per oral at 150 to 300 mg/day. The treatment is started within 14days after registration and continued until day 365. L-Dopa/DCI + selegiline L-Dopa/DCI i

Sponsors

Osaka Redcross Hospital Wakayama Prefectural Medical College
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1). Those who are at age between 55 and 79 years. 2).The patients should be within 3 years after the onset of motor symptoms 3). The patients should be treated with levodopa/DCI within 3 months and with levodopa/DCI exclusively one month right before starting the trial. 4) The dose of levodopa/DCI should be taken from 150mg/day to 300mg/day. 5)The participant's score of MMSE should be 24 or higher. 6) The patient should be judged by attendant doctor to be appropriate for registration. 7) The agreement with the study should be obtained by the document,

Exclusion criteria

Exclusion criteria: Those who matched the following conditions should be excluded. 1). Those who had been treated with the anti-parkinsonian drugs except levodopa/DCI for more than 1month. 2).Those who are in pregnancy, or possible to be pregnant or those who are in the breast-feeding. 3) Those who have taken antidepressant and/or anti-psychotic drugs. 4) Those who have a history of stroke and cerebrovascular disorders. 5) Those who had a history of epilepsy or those who are in treatment of epilepsy 6) Those who have a history of alcohol intoxication, or have the treatment for alcoholic abuse 7) Those who have severe comorbidity( liver dysfunction, renal dysfunction and endocrinological disorders). 8) Those who have a familial history of Parkinson's disease 9) Those who have a history of allergic reaction with 123I- ioflupane.

Design outcomes

Primary

MeasureTime frame
The neuroprotective effect is evaluated by 123I-FP-CIT SPECT after 1 year.

Secondary

MeasureTime frame
The clinical symptoms are evaluated by UPDRS partII, UPDRS partIII, PDQ-39

Countries

Japan

Contacts

Public ContactHidefumi Ito

Wakayama Prefectural Medical College Neurology

itohid@kuhp.kyoto-u.ac.jp073-447-2300

Outcome results

None listed

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