- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00211224
Neuroprotection and Natural History in Parkinson's Plus Syndromes (NNIPPS)
Phase 3 Study of Riluzole in Multiple System Atrophy (MSA) and Progressive Supranuclear Palsy (PSP) (Parkinson's Plus Syndromes)
Study Overview
Status
Intervention / Treatment
Detailed Description
Multiple System Atrophy (MSA) and Progressive Supranuclear Palsy (PSP) often present as akinetic-rigid syndromes and in the early stages are difficult to differentiate in the clinic. Current Consensus Diagnostic Criteria based on retrospective studies have high specificity but low sensitivity. The NNIPPS study is an EU-funded multinational (France, UK, Germany) multi-centre academic-led project with four main aims. The first aim is to test the hypothesis that riluzole, which may have generic neuroprotective properties, reduces the risk of death and improves function and quality of life (QL) in patients with MSA and PSP- 'parkinson's plus syndromes'. The second aim is to identify prognostic factors for survival and functional deterioration, and to develop and validate functional rating scales prospectively. The third aim is to investigate MRI, cognitive, pathological and genetic aspects of these disorders in relation to disease progression and pathogenesis. The fourth aim is to understand the impact of these diseases on the QL of patients and carers and to identify the health costs of treatment.
The study is designed as a randomised, stratified, controlled trial of the efficacy and safety of riluzole (up to 200mg daily) versus placebo in MSA and PSP. The primary outcome measure is survival at 36 months. Power calculations suggested that we would need to recruit ~400 patients into each stratum (MSA, PSP) in order to detect a reduction in the relative risk (RR) of death at 36 months with 80% power and two-sided a=0.05. Using modified consensus criteria (to provide greater sensitivity) we recruited 766 patients (363 PSP, 404 MSA) over 2 years (1999-2001). The first patients recruited are about to enter the open-label study. The final analysis of the primary efficacy measure is planned for December 2005. Secondary outcome measures include safety, rate of change in UPDRS and other rating scales including a parkinson's plus symtoms rating scale (PPSS), changes in cognitive function assessed using the Mattis Dementia Rating Scale, the Frontal Assessment Battery, The Bushke Selective Reminding Test, The Neuropsychiatric Inventory, and other tests of memory and executive function. QL and Health economic data is collected using the SF36 and a Client Service Receipt Inventory (CSRI). Assessments are made at 6 monthly intervals. Standardised MRI has been acquired in ~70% of cases at entry and will be repeated at 36 months where possible. DNA has been collected from ~75% of cases. 100 brains have been donated and are being analysed using a standardised protocol.
Study Type
Enrollment
Phase
- Phase 3
Contacts and Locations
Study Locations
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London, United Kingdom, SE58AF
- Institute of Psychiatry, King's College London
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- akinetic rigid syndrome plus clinical criteria for MSA or PSP
Exclusion Criteria:
- Idiopathic Parkinson's disease
- Other neurological or serious medical disorders
- Unable to give informed consent
- dementia
- liver damage
- women of child bearing age unable to use effective method of contraception
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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survival
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Secondary Outcome Measures
Outcome Measure |
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functional measures (UPDRS, Parkinson's Plus Scale)
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Change in MRI abnormalities
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Cognitive changes
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Peter N Leigh, PhD FRCP, King's College London
Publications and helpful links
General Publications
- Payan CA, Viallet F, Landwehrmeyer BG, Bonnet AM, Borg M, Durif F, Lacomblez L, Bloch F, Verny M, Fermanian J, Agid Y, Ludolph AC, Leigh PN, Bensimon G; NNIPPS Study Group. Disease severity and progression in progressive supranuclear palsy and multiple system atrophy: validation of the NNIPPS--Parkinson Plus Scale. PLoS One. 2011;6(8):e22293. doi: 10.1371/journal.pone.0022293. Epub 2011 Aug 4.
- Rolland Y, Verin M, Payan CA, Duchesne S, Kraft E, Hauser TK, Jarosz J, Deasy N, Defevbre L, Delmaire C, Dormont D, Ludolph AC, Bensimon G, Leigh PN; NNIPPS Study Group. A new MRI rating scale for progressive supranuclear palsy and multiple system atrophy: validity and reliability. J Neurol Neurosurg Psychiatry. 2011 Sep;82(9):1025-32. doi: 10.1136/jnnp.2010.214890. Epub 2011 Mar 8.
- Al-Chalabi A, Durr A, Wood NW, Parkinson MH, Camuzat A, Hulot JS, Morrison KE, Renton A, Sussmuth SD, Landwehrmeyer BG, Ludolph A, Agid Y, Brice A, Leigh PN, Bensimon G; NNIPPS Genetic Study Group. Genetic variants of the alpha-synuclein gene SNCA are associated with multiple system atrophy. PLoS One. 2009 Sep 22;4(9):e7114. doi: 10.1371/journal.pone.0007114.
- Bensimon G, Ludolph A, Agid Y, Vidailhet M, Payan C, Leigh PN; NNIPPS Study Group. Riluzole treatment, survival and diagnostic criteria in Parkinson plus disorders: the NNIPPS study. Brain. 2009 Jan;132(Pt 1):156-71. doi: 10.1093/brain/awn291. Epub 2008 Nov 23.
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Eye Diseases
- Neurologic Manifestations
- Basal Ganglia Diseases
- Movement Disorders
- Synucleinopathies
- Neurodegenerative Diseases
- Pathological Conditions, Anatomical
- Tauopathies
- Cranial Nerve Diseases
- Autonomic Nervous System Diseases
- Ocular Motility Disorders
- Paralysis
- Primary Dysautonomias
- Hypotension
- Ophthalmoplegia
- Atrophy
- Multiple System Atrophy
- Shy-Drager Syndrome
- Supranuclear Palsy, Progressive
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Excitatory Amino Acid Antagonists
- Excitatory Amino Acid Agents
- Neuroprotective Agents
- Protective Agents
- Anticonvulsants
- Riluzole
Other Study ID Numbers
- QLG1-2000-01262
- European Commission (Other Grant/Funding Number: Contract no. 613977)
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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