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Efficacy and Safety of Lingzhi in Patients With 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: NCT00224263
Recruitment Status : Completed
First Posted : September 22, 2005
Last Update Posted : August 16, 2011
Information provided by:
Xuanwu Hospital, Beijing

Brief Summary:
The purpose of this study is to determine whether Lingzhi (Ganoderma), a widely used traditional Chinese Medicine is effective and safe in the treatment of Parkinson's disease when combined use with L-dopa.

Condition or disease Intervention/treatment Phase
Parkinson's Disease Drug: Lingzhi (Ganoderma) Phase 2

Detailed Description:
This study is to focus on the effects of Lingzhi on non-motor symptoms of Parkinson's diseases as the primary outcome and on delaying the disease progression using the delay start design as the secondary outcome measurement. Two dosage groups and one placebo control group with total 360 subjects will be recruited. The treatment is one year.

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Study Type : Interventional  (Clinical Trial)
Enrollment : 360 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: A Randomized, Double-Blind, Placebo-Controlled, Dose-Finding Study to Assess the Efficacy and Safety of Lingzhi in Patients With Early Parkinson's Disease Receiving Stable L-dopa/DCI
Study Start Date : September 2005
Actual Study Completion Date : February 2008

Resource links provided by the National Library of Medicine

Primary Outcome Measures :
  1. Motor Function

Secondary Outcome Measures :
  1. Cognition
  2. Mood
  3. Quality of Daily Life

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 to 80 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • willing and able to give informed consent
  • age 30 years or older at time of diagnosis of Parkinson's disease
  • have idiopathic Parkinson's disease, defined as:

    • having at least 2 of the following 4 signs: resting tremor, bradykinesia, rigidity, or postural reflex impairment, at least one of which must be resting tremor or bradykinesia
    • no secondary or atypical parkinsonism
    • asymmetric features (current signs or history of asymmetric onset)
    • response to L-dopa, by patient self-report
  • Parkinson's disease duration of no more than 5 years
  • receiving stable therapy of L-dopa/DCI for at least 3 months; acceptable dose range: 250 mg - 1000 mg L-dopa/DCI daily
  • Hoehn and Yahr stage < 4 on stable L-dopa/DCI treatment

Exclusion Criteria:

  • have atypical parkinsonism due to drugs, metabolic disorders, encephalitis, or other neurodegenerative diseases
  • have any other known medical or psychiatric condition that may compromise their participation in the study
  • have taken another investigational drug within 90 days of baseline
  • have a change in dosage of any other antiparkinsonian drug (eg, pramipexole, ropinirole, pergolide, bromocriptine, methylphenidate, anticholinergics, or amantadine) during the study or within 90 days prior to baseline
  • have received treatment with dopamine blocking agents (including neuroleptic agents, antiemetic agents), dopamine-depleting agents (including reserpine or tetrabenazine) within 90 days prior to baseline
  • do not consent to participate

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): NCT00224263

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Xuanwu Hospital
Beijing, China
Sponsors and Collaborators
Xuanwu Hospital, Beijing
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Principal Investigator: Piu Chan, MD, PhD Xuanwu Hospital, Beijing

Layout table for additonal information Identifier: NCT00224263    
Other Study ID Numbers: 2004BA702B02
First Posted: September 22, 2005    Key Record Dates
Last Update Posted: August 16, 2011
Last Verified: August 2011
Keywords provided by Xuanwu Hospital, Beijing:
Traditional Chinese Medicine
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