Neuroprotection and Natural History in Parkinson's Plus Syndromes (NNIPPS)
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|ClinicalTrials.gov Identifier: NCT00211224|
Recruitment Status : Terminated
First Posted : September 21, 2005
Last Update Posted : December 15, 2005
|Condition or disease||Intervention/treatment||Phase|
|Multiple System Atrophy Progressive Supranuclear Palsy||Drug: Riluzole||Phase 3|
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 :||Interventional (Clinical Trial)|
|Estimated Enrollment :||800 participants|
|Intervention Model:||Parallel Assignment|
|Official Title:||Phase 3 Study of Riluzole in Multiple System Atrophy (MSA) and Progressive Supranuclear Palsy (PSP) (Parkinson's Plus Syndromes)|
|Study Start Date :||April 2000|
|Estimated Study Completion Date :||November 2004|
- functional measures (UPDRS, Parkinson's Plus Scale)
- Change in MRI abnormalities
- Cognitive changes
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 ClinicalTrials.gov identifier (NCT number): NCT00211224
|Institute of Psychiatry, King's College London|
|London, United Kingdom, SE58AF|
|Principal Investigator:||Peter N Leigh, PhD FRCP||King's College London|