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Placebo-Controlled Double-Blind Crossover Comparative Study of KW-6500 (6500-004)

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Kyowa Kirin

Status and phase

Completed
Phase 3

Conditions

Parkinson's Disease

Treatments

Drug: KW-6500 Placebo
Drug: KW-6500

Study type

Interventional

Funder types

Industry

Identifiers

NCT01058291
6500-004

Details and patient eligibility

About

This is a placebo-controlled double-blind crossover comparative study of KW-6500 in Parkinson's disease patients with motor response complications on levodopa therapy. The efficacy of KW-6500 is evaluated using the change of UPDRS part III score at double blind period after 12 weeks subcutaneous self-injections.

Enrollment

31 patients

Sex

All

Ages

20+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients who have given written informed consent
  • Patients who have Parkinson's disease
  • Patients who have been on a stable regimen of levodopa plus at least one other antiparkinsonian agent and who have OFF state
  • Patients who meet stage 4 or 5 while in the OFF state and stage 0 to 3 while in the ON state on the Modified Hoehn and Yahr Scale
  • Patients who have experienced a 30% or more improvement in Unified Parkinson's Disease Rating Scale (UPDRS) partⅢ score when tested for responsiveness to levodopa during the baseline period
  • Patients who have at least one OFF state per day
  • Patients who can understand the expression of OFF state, ON state, and dyskinesia
  • Patients or their families have a desire for self-injection of KW-6500

Exclusion criteria

  • Patients with an illness of the cardiac, hematologic, hepatic, renal, pancreatic, metabolic, respiratory, gastrointestinal, endocrinologic, or neurologic system (excluding Parkinson's disease)
  • Patients with orthostatic hypotension
  • Patients with a history of intolerance to morphine or its derivatives, sulfur, sulfur-containing pharmaceutical products, or sulfite
  • Patients with a history of malignant syndrome
  • Patients with a diagnosis of cancer or evidence of continued disease
  • Patients who do not test negative in the direct Coombs' test
  • Pregnant or lactating women, women who are planning to have children, women who test positive in the pregnancy test, or women who cannot adhere to a reliable method of contraception
  • Patients who have received MAO inhibitors except selegiline
  • Patients with a history of mental disease (excluding psychiatric symptoms associated with Parkinson's disease)
  • Patients with a Mini-Mental State Examination score of 23 or less
  • Patients who are taking antipsychotics or central dopamine antagonists (excluding domperidone)
  • Patients who are receiving methyldopa or 5-HT3 receptor antagonists
  • Patients who are receiving reserpine or papaverine
  • Patients who have had a neurosurgical operation for Parkinson's disease
  • Patients who have had transcranial magnetic stimulation
  • Patients with a history of drug or alcohol abuse or dependence

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

31 participants in 2 patient groups, including a placebo group

KW-6500
Experimental group
Treatment:
Drug: KW-6500
KW-6500 Placebo
Placebo Comparator group
Treatment:
Drug: KW-6500 Placebo

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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