- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01341080
Varenicline for Gait and Balance Impairment in Parkinson Disease (Chantix-PD)
December 5, 2022 updated by: Deborah Hall, MD, Rush University Medical Center
Varenicline for the Treatment of Postural and Gait Dysfunction in Parkinson Disease
The purpose of this study is to determine if varenicline is effective in improving gait and balance impairment in patients with Parkinson disease.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
Parkinson disease (PD) is a clinical entity characterized by bradykinesia, rigidity, tremor, and postural instability.
Current treatments primarily focus on replacement of dopamine to compensate for the degeneration of the substantia nigra pars compacta dopaminergic neuronal population.
Though dopamine treats many of the motor symptoms of PD, postural instability (which often leads to falls) typically is least responsive to therapy.
More recently, the degeneration of the cholinergic system arising from the pedunculopontine nucleus (PPN) in the brainstem has been implicated in gait dysfunction in PD.
Striatal cholinergic inputs are supplied from the PPN both via the intralaminar complex of the thalamus and through direct inputs.
The primary subtypes of cholinergic receptors present in the striatum are nicotinic and include α4β2, α6β2, and α7 receptors.
Varenicline (Chantix) is a novel partial α4β2 agonist and full α7 agonist developed as an aid for smoking cessation and has been shown in initial studies to improve imbalance in patients with inherited spinocerebellar ataxia.
The unique method of action of varenicline may make it an ideal drug for the treatment of balance impairment in PD.
Study Type
Interventional
Enrollment (Actual)
40
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Illinois
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Chicago, Illinois, United States, 60612
- Rush University Medical Center
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
40 years to 90 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Subjects will be diagnosed with Parkinson Disease (PD) by the United Kingdom (UK) Brain Bank criteria.
- Subjects will have to be at least stage 2 on the Hoehn and Yahr staging system of PD and have a history of at least 1 fall or near fall in the last 6 months
- Subjects must have a stable medication regimen.
- All subjects will be over the age of 40 in an attempt to exclude inherited forms of parkinsonism.
- Serum creatine kinase, complete metabolic panel, complete blood count, liver function tests, renal function tests, platelets and EKG are within normal limits (results obtained from primary care physician and dated within the past 6 months or obtained at screening visit).
Exclusion Criteria:
- Hoehn and Yahr stage V subjects.
- Subjects with a history of major psychiatric disorder, deep brain stimulation surgery, recent cerebral trauma, cardiac arrhythmia, or renal insufficiency.
- A cardiovascular procedure in the last 5 years (eg, percutaneous transluminal coronary angioplasty) or have cardiovascular instability (including myocardial infarction or unstable angina). Other cardiovascular exclusions include uncontrolled hypertension, significant neurological sequelae of cerebrovascular disease, peripheral vascular disease with prior amputation, or severe congestive heart failure (New York Heart Association class III or IV).
- Concurrent treatment with any monoamine oxidase inhibitors (MAOIs), bupropion (Wellbutrin), or nicotine patches.
- Dementia or other psychiatric illness that prevents the patient from giving informed consent (Folstein Mini Mental Status Exam score less than 25).
- Concurrent treatment with trihexyphenidyl (Artane) or benztropine mesylate (Cogentin).
- Significant degree of dysphagia, by history.
- Legal incapacity or limited legal capacity.
- Presence of severe renal disease (BUN 50% greater than normal or creatinine clearance <60 mL/min) or hepatic disease.
- Abnormal creatine kinase and/or platelet count in the past 6 months (as determined by lab reports obtained from primary care physicians or conducted at baseline).
- Use of varenicline within the previous 30 days.
- Women of childbearing potential who are pregnant at the time of screening or who will not use adequate protection during participation of the study.
- Allergy/sensitivity to the drug or its formulations.
- Concurrent participation in another clinical study.
- Active substance or tobacco use or dependence.
- Moderate or severe chronic obstructive pulmonary disease.
- Serious illness (requiring systemic treatment/or hospitalization) until the subject either completes therapy or is clinically stable on therapy, in the opinion of the site investigator, for at least 60 days prior to study entry.
- Inability or unwillingness of the subject or legal guardian/representative to give written informed consent.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Sugar pill
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1mg twice daily for eight weeks after a one week dose escalation phase.
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Experimental: Varenicline
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Varenicline 1mg twice daily for eight weeks after a one week dose escalation period.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Berg Balance Scale
Time Frame: 9 weeks
|
Efficacy was measured as a change on the Berg Balance Scale (BBS) from baseline to the end of the study after 8 weeks on drug.
The BBS is a 14-item measure consisting of basic balance tasks, with a final score indicative of overall balance ability.
The maximum score is 56 and minimum is 0. Higher scores reflect better balance.
|
9 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frontal Assessment Battery
Time Frame: 9 weeks
|
The change in cognitive functioning was measured with the Frontal Assessment Battery (FAB, score range 0-18) and the Mini-Mental State Exam (MMSE, score range 0-30) from baseline to 8 weeks on drug.
High scores on both scales indicate better performance.
The FAB measures executive functioning and consists of the following 6 sections: conceptualization, mental flexibility, motor programming, sensitivity to interference, inhibitory control, and environmental autonomy.
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9 weeks
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Mini Mental Status Exam (MMSE)
Time Frame: 9 weeks
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The change in cognitive functioning was measured with the Mini-Mental State Exam (MMSE) from baseline to 8 weeks on drug.
The maximum score on the MMSE is 30 and lowest score 0, with higher score indicating better cognitive function.
|
9 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Deborah A Hall, MD, PhD, Rush University Medical Center
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Qutubuddin AA, Pegg PO, Cifu DX, Brown R, McNamee S, Carne W. Validating the Berg Balance Scale for patients with Parkinson's disease: a key to rehabilitation evaluation. Arch Phys Med Rehabil. 2005 Apr;86(4):789-92. doi: 10.1016/j.apmr.2004.11.005.
- Bohnen NI, Muller ML, Koeppe RA, Studenski SA, Kilbourn MA, Frey KA, Albin RL. History of falls in Parkinson disease is associated with reduced cholinergic activity. Neurology. 2009 Nov 17;73(20):1670-6. doi: 10.1212/WNL.0b013e3181c1ded6.
- Zesiewicz TA, Sullivan KL. Treatment of ataxia and imbalance with varenicline (chantix): report of 2 patients with spinocerebellar ataxia (types 3 and 14). Clin Neuropharmacol. 2008 Nov-Dec;31(6):363-5. doi: 10.1097/WNF.0b013e31818736a9.
- Perez XA, Quik M. Focus on alpha4beta2* and alpha6beta2* nAChRs for Parkinson's Disease Therapeutics. Mol Cell Pharmacol. 2011;3(1):1-6.
- Bohnen NI, Albin RL. The cholinergic system and Parkinson disease. Behav Brain Res. 2011 Aug 10;221(2):564-73. doi: 10.1016/j.bbr.2009.12.048. Epub 2010 Jan 7.
- Karachi C, Grabli D, Bernard FA, Tande D, Wattiez N, Belaid H, Bardinet E, Prigent A, Nothacker HP, Hunot S, Hartmann A, Lehericy S, Hirsch EC, Francois C. Cholinergic mesencephalic neurons are involved in gait and postural disorders in Parkinson disease. J Clin Invest. 2010 Aug;120(8):2745-54. doi: 10.1172/JCI42642. Epub 2010 Jul 12.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
December 28, 2010
Primary Completion (Actual)
November 2, 2018
Study Completion (Actual)
November 2, 2018
Study Registration Dates
First Submitted
April 21, 2011
First Submitted That Met QC Criteria
April 22, 2011
First Posted (Estimate)
April 25, 2011
Study Record Updates
Last Update Posted (Actual)
December 30, 2022
Last Update Submitted That Met QC Criteria
December 5, 2022
Last Verified
December 1, 2022
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Parkinsonian Disorders
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Parkinson Disease
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Cholinergic Agents
- Nicotinic Agonists
- Cholinergic Agonists
- Varenicline
Other Study ID Numbers
- WS813511
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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