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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: NCT00058838
Recruitment Status : Completed
First Posted : April 15, 2003
Last Update Posted : June 7, 2006
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Brief Summary:
The primary purpose of this study is to determine whether sumanirole, at three different dose levels, 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 Phase 3

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Study Type : Interventional  (Clinical Trial)
Enrollment : 854 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Phase III, Double-Blind, Placebo-Controlled, Fixed-Dose Response Study Comparing the Efficacy and Safety of Sumanirole Versus Placebo in Patients With Early Parkinson's Disease.
Study Start Date : April 2003
Study Completion Date : September 2004

Resource links provided by the National Library of Medicine

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 and the benefit of sumanirole in quality of life measures compared to placebo

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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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:

Idiopathic Parkinson's disease < 7 years duration

Modified Hoehn and Yahr Scale Stages I through III

Age greater than or equal to 30 years old

Patients or their partners must use adequate contraceptive methods

Patients who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures and do not plan on traveling extensively during the study

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): NCT00058838

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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: NCT00058838    
Other Study ID Numbers: DA2APD-0075-031
First Posted: April 15, 2003    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