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Study Evaluating Sumanirole for the Treatment of the Signs and Symptoms of Early Parkinson's Disease.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00036218
Recruitment Status : Completed
First Posted : May 9, 2002
Last Update Posted : June 7, 2006
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Brief Summary:
The primary purpose of this study is to determine whether sumanirole is effective and safe in the treatment of the signs and symptoms of early Parkinson's disease.

Condition or disease Intervention/treatment Phase
Parkinson Disease Drug: sumanirole Drug: ropinirole Phase 3

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Study Type : Interventional  (Clinical Trial)
Enrollment : 600 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Phase III, Double-Blind, Placebo-Controlled, Randomized Study Comparing the Efficacy, Safety, and Tolerability of Sumanirole Versus Placebo or Ropinirole in Patients With Early Parkinson's Disease.
Study Start Date : December 2001
Study Completion Date : April 2003

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Primary Outcome Measures :
  1. Change from baseline in UPDRS (Unified Parkinson's Disease Rating Scale) II + III total scores at end of maintenance, for sumanirole compared to placebo

Secondary Outcome Measures :
  1. To assess the safety profile of sumanirole; the benefit of sumanirole in quality of life measures, and change from baseline in UPDRS II + III total scores at end of maintenance, for sumanirole compared to ropinirole

Information from the National Library of Medicine

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Ages Eligible for Study:   30 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Parkinson's disease of less than 7 years duration

Modified Hoehn and Yahr Scale Stages 1 through 3.

Age greater than or equal to 30 years old.

Men or women (women of childbearing potential must have a negative pregnancy test at screen) and both must use adequate contraceptive methods.

Patients who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.

Exclusion Criteria:

Atypical Parkinson's disease syndromes due to drugs, metabolic disorders, encephalitis, or degenerative diseases.

Levodopa received for 1-year accumulated interval in the last two years.

Dopamine agonist medications or catechol-o-methyl transferase inhibitors in the 30 days prior to baseline.

Unstable dose regimes of hypnotics, anxiolytics or antidepressants


History of stereotaxic brain surgery, psychosis or active epilepsy within past year.

Participation in clinical trial within the previous 30 days.

Malignant melanoma or history of melanoma

Significant medical or pshychiatric condition.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00036218

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Sponsors and Collaborators
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Study Director: Pfizer Call Center Pfizer
Additional Information:
Layout table for additonal information Identifier: NCT00036218    
Other Study ID Numbers: 666E-CNS-0075-021
First Posted: May 9, 2002    Key Record Dates
Last Update Posted: June 7, 2006
Last Verified: June 2006
Additional relevant MeSH terms:
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Parkinson Disease
Parkinsonian Disorders
Basal Ganglia Diseases
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Movement Disorders
Neurodegenerative Diseases
Antiparkinson Agents
Anti-Dyskinesia Agents
Dopamine Agonists
Dopamine Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Physiological Effects of Drugs