Multiple Sclerosis-Simvastatin Trial 2 (MS-STAT2)
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|ClinicalTrials.gov Identifier: NCT03387670|
Recruitment Status : Recruiting
First Posted : January 2, 2018
Last Update Posted : October 18, 2018
Multiple Sclerosis (MS) is a progressive neurological disorder of the brain and spinal cord. It affects approximately 120,000 people in the United Kingdom and 2.5 million people globally. Most people with MS experience two stages of the disease:
Early MS - Relapsing-Remitting MS (RRMS), which is partially reversible, and Late MS - Secondary Progressive MS (SPMS), which affects the majority of patients, usually after 10 to 15 years after diagnosis.
SPMS results from progressive neuronal degeneration that causes accumulating and irreversible disability affecting walking, balance, manual function, vision, cognition, pain control, bladder and bowel function. The pathological process driving the accrual of disability in SPMS is not known at present.
Immunomodulatory anti-inflammatory disease modifying therapies (DMTs) are increasingly effective in reducing relapse frequency in RRMS, however, they have been unsuccessful in slowing disease progression in SPMS. This is the overwhelming conclusion from an analysis of 18 phase 3 trials (n=8500), of which 70% of the population had SPMS, all performed in the last 25 years. There is no current disease modifying treatment (DMT) for SPMS.
In an earlier study (Multiple Sclerosis-Simvastatin 1; MS-STAT1), 140 people with SPMS were randomly assigned to receive either placebo or simvastatin for a period of two years. The investigators found that the rate of brain atrophy (loss of neurons - 'brain shrinkage'), as measured by magnetic resonance imaging (MRI), was reduced in patients receiving simvastatin compared to those taking placebo.
Several other long term studies have also reported that there might be a relationship between the rate of brain atrophy and the degree of impairment. The study is designed to test the effectiveness of repurposed simvastatin (80mg) in a phase 3 double blind, randomised, placebo controlled trial (1:1) in patients with secondary progressive MS (SPMS), to determine if the rate of disability progression can be slowed over a 3 year period.
The results generated from this trial may help to improve the treatment options of people with MS. In addition, taking part in this trial will mean regular review by an experienced neurologist regardless of the drug that patients are randomly allocated to receive.
|Condition or disease||Intervention/treatment||Phase|
|Secondary Progressive Multiple Sclerosis (SPMS)||Drug: Simvastatin Drug: Placebo||Phase 3|
|Study Type :||Interventional (Clinical Trial)|
|Estimated Enrollment :||1180 participants|
|Intervention Model:||Parallel Assignment|
|Masking:||Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)|
|Official Title:||A Phase 3 Randomised, Double Blind, Clinical Trial Investigating the Effectiveness of Repurposed Simvastatin Compared to Placebo, in Secondary Progressive Multiple Sclerosis, in Slowing the Progression of Disability|
|Actual Study Start Date :||March 28, 2018|
|Estimated Primary Completion Date :||August 31, 2023|
|Estimated Study Completion Date :||August 31, 2023|
|Active Comparator: Simvastatin||
|Placebo Comparator: Placebo||
- Time to confirmed disability progression between simvastatin and placebo arm based on change in EDSS scores compared to baseline. [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]The initial disability progression event is finalised as positive if disability is sustained and confirmed ≥6* months later. Progression of disability defined as an increase of at least 1 point if EDSS baseline score <6, or an increase of 0.5 point if baseline EDSS score is ≥6.
- Response rate on the patient reported outcome form Multiple Sclerosis Walking Scale-12 version 2 (MSWS-12v2) [ Time Frame: Annually - baseline, month 12, 24 and 36 ]MSWS-12v2 is a12 item patient report measure on the impact of MS on the individual's walking ability over the previous 2 weeks. Each item will be summed to generate a total score and transformed to a scale with a range of 0 to 100 with high scores indicating greater impact on walking.
- Response rate on the patient reported outcome form Multiple Sclerosis Impact Scale-29 version 2 (MSIS-29v2) [ Time Frame: Annually - baseline, month 12, 24 and 36 ]MS Impact Scale-29 version 2 (MSIS-29v2) - A psychometrically validated patient-reported outcome measure increasingly used for measuring the impact of MS on people's lives. The 29-item scale assesses the impact of MS on people's health related quality of life in terms of their physical and psychological well-being over the previous 2 weeks.
- Cost effectiveness of intervention [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]To estimate the incremental cost and cost-effectiveness of simvastatin versus standard care for the trial period and for the lifetime horizon using the Client Client Services Receipt Inventory Form.
- Change in time taken to complete 25-Foot Timed Walk (T25FW) [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]T25-FW is a quantitative mobility and leg function performance test based on a timed 25-foot walk
- Change in time taken to complete 9 hole peg test (9HPT) [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]The 9HPT is a brief, standardized, quantitative test of upper extremity function. Participants are instructed to pick up 9 pegs, one at a time, as quickly as possible and are required to insert them into 9 empty peg holes. Once all nine pegs have been inserted, the participant should immediately remove the pegs, one at a time. The total time taken to complete the task is recorded. Two consecutive trials with the dominant hand are immediately followed by two consecutive trials with the non-dominant hand. The two trials for each hand are averaged.
- Evaluating change in degree of disability based on the modified Rankin scale (mRS) [ Time Frame: Annually - baseline, month 12, 24 and 36 ]mRS is used to evaluate the degree of disability in daily activities of those with neurological disability.
- Change in frontal lobe function based on Frontal Assessment Battery (FAB) scores [ Time Frame: Annually - baseline, month 12, 24 and 36 ]FAB is a brief battery of six neuropsychological tasks designed to assess frontal lobe function. The six FAB tasks assess conceptualisation (abstract reasoning), item flexibility (verbal fluency), motor programming (organisation, maintenance and execution of successive actions), sensitivity to interference (conflicting instructions), inhibitory control (inhibit inappropriate responses), and environmental autonomy. The test takes approximately 10 minutes to complete.
- Difference in the number and severity of multiple sclerosis related relapse events between treatment groups [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]A relapse will be defined as new or worsening neurological symptom(s) in the absence of fever, lasting for more than 24 hours, and have been preceded by a period of clinical stability of at least 30 days, with no other explanation than MS.
- Change in visual function based on the Sloan Low Contrast Visual Acuity (SLCVA) [ Time Frame: Annually - baseline, month 12, 24 and 36 ]Sloan chart testing is a reliable, quantitative, and clinically practical measure of visual function that will be administered by trained assessors. The chart consists of rows of grey letters on a white background. Letters are displayed in decreasing order from the top of the chart to the bottom. Testing will be conducted at three different contrast levels (100%, 2.5% and 1.25%). The chart will be scored based on the number of letters correctly identified out of 60.
- Difference in patient reported quality of life based on the EuroQoL Health Related Quality of Life - 5 Dimensions - 5 Levels (EQ-5D 5L) scores [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]EQ-5D 5L is a 5 item questionnaire (assessing - mobility, self-care, usual activities, pain/discomfort, anxiety/depression) and visual analogue scale (VAS) enables calculation of quality adjusted life years (QALY) to enable health economic analyses to be performed. Each dimension assessed has 5 response scales to select from: no problems, slight problems, moderate problems, severe problems, and extreme problems
- Change in a modified Multiple Sclerosis Functional Composite scores [ Time Frame: Annually - baseline, month 12, 24 and 36 ]A Modified Multiple Sclerosis Functional Composite (MSFC) score comprised of 3 components (T25FW, 9HPT, SDMT). The Symbol digit modalities test (SDMT) will replace the Paced Auditory Serial Addition Test (PASAT), one of the three components in the Standard MSFC.
- Change in cognitive performance as measured by Brief International Cognitive Assessment for Multiple Sclerosis (BICAMS) [ Time Frame: Baseline and month 36 ]BICAMS is a composite cognitive assessment tool comprising of the three components : Symbol Digit Modalities Test (SDMT) , California Verbal Learning Test-II (CVLT-II) and Brief visuospatial memory test- Revised (BVMT-R)
- Change in cognitive impairment based on Symbol Digit Modalities Test (SDMT) scores [ Time Frame: Annually - baseline, month 12, 24 and 36 ]SDMT is a brief measure of cognitive processing speed. It measures information processing speed for visually presented stimuli, but is self-paced, with at least equal reliability and sensitivity to the presence of worsening cognitive impairment.
- Evaluating the time to disability progression based on a secondary composite progression outcome measure [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]A secondary composite progression outcome measure defined as one or more of: ≥20% increase in time taken to complete the 25 Foot Walk (T25FW); or ≥20% increase in time to complete 9 Hole Peg Test (9HPT); or increase in EDSS (0.5 point increase if baseline ≥6 /1.0 point increase if baseline <6). The initial disability progression event will be finalised as positive if it is sustained and confirmed ≥6 months later*. The time to event analysis will be from randomisation until date of the initial disability progression (if subsequently confirmed)
- Change in fatigue as measured by the Chalder Fatigue Scale [ Time Frame: Annually - baseline, month 12, 24 and 36 ]A questionnaire measuring the severty of physical and mental fatigue on two seperate subscales
- Change in service utilisation [ Time Frame: 6 monthly - baseline, month 6, 12, 18, 24, 30, 36 ]A questionnaire that collects information on service utilisation, income, accommodation and other cost-related variables. Its primary purpose is to allow resource use patterns to be described and support costs to be estimated for health economics purposes
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03387670
|Contact: Jeremy Chataway||020 7679 6154||J.email@example.com|
|Contact: Liz Deane||020 7907 firstname.lastname@example.org|
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