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A Late Phase II Clinical Trial of KDT-3594 in Patients With Parkinson's Disease

CompletedPhase 2

Sponsor: Kissei Pharmaceutical Co., Ltd.

Conditions: Parkinson Disease

Interventions: KDT-3594, Placebo

Countries: Japan

This trial is a late phase II, multicenter, randomized, double-blind, placebo-controlled, parallel group trial to evaluate the efficacy, safety, and pharmacokinetics of KDT-3594 administered at escalating doses ranging from 0.25 to 2 mg per day for 17 weeks in patients with advanced PD with levodopa.

Eligibility overview

Sex: ALL

Age: 18 Years to 80 Years

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Patients diagnosed with PD according to the Parkinson's disease society brain bank clinical diagnostic criteria of the UK Parkinson's Disease Society
* Patients who are being treated with levodopa or levodopa combination drugs and have any of the following troublesome symptoms or conditions:
* Patients with wearing-off phenomenon
* Patients with ON-/OFF-phenomenon
* Patients with no-on/delayed on phenomenon
* Patients with inadequate response to levodopa

Exclusion Criteria:

* Patients suspected of having parkinsonism other than PD based on medical history, physical findings, laboratory test values, dopamine transporter-single photon emission computed tomography (DAT-SPECT), etc.
* Patients who have undergone neurosurgical therapy for PD (e.g., stereotactic thalamotomy and pallidotomy and deep brain stimulation) or who are scheduled to undergo surgical therapy during the trial period
* Patients complicated with overt dementia or a Mini-Mental State Examination (MMSE) score of \< 24 at the start of the screening period

Locations (1)

Tokyo and Other Japanese Cities, Japan