NCT03896217

Brief Summary

Multiple sclerosis (MS) is a neurological condition which is a common cause of disability in young people. It is thought to be an autoimmune condition, where the body's immune system begins to attack itself. The cause of MS is unknown but is thought to be a mix of genetic and environmental factors. There are treatments available for early stages of MS, but the later stage known as Secondary Progressive MS (SPMS) has no current treatment. Statins are a safe treatment traditionally used to reduce cholesterol levels. However, statins also have other effects which could reduce the progression of SPMS, such as effects on the immune system and circulation. A recent study (Chataway et al., 2014) showed that treatment with high-dose simvastatin, a type of statin, reduced the progression of SPMS but no effect on the immune system was seen. It is possible that simvastatin does not treat the immune system but improves how the blood and blood vessels in the brain work in this disease. The purpose of the clinical trial is to test how Simvastatin (80mg/day) may slow down disease progression in people living with SPMS compared to placebo (dummy pill). Participants will receive either Simvastatin or placebo and will be asked to take 2 tablets daily, for up to 17 weeks.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started May 2019

Typical duration for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 26, 2018

Completed
5 months until next milestone

First Posted

Study publicly available on registry

March 29, 2019

Completed
2 months until next milestone

Study Start

First participant enrolled

May 16, 2019

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 13, 2022

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 15, 2023

Completed
2 years until next milestone

Results Posted

Study results publicly available

July 1, 2025

Completed
Last Updated

July 1, 2025

Status Verified

June 1, 2025

Enrollment Period

3.3 years

First QC Date

October 26, 2018

Results QC Date

February 10, 2025

Last Update Submit

June 27, 2025

Conditions

Keywords

Multiple sclerosis

Outcome Measures

Primary Outcomes (2)

  • Effect on Cerebral Blood Flow in White Matter, Gray Matter, Deep White Matter, Deep Gray Matter, and Thalamus

    To compare patients on simvastatin or placebo using multiple linear regressions. ASL is an MRI method that allows non-invasive measurement of CBF using inversion of arterial water spins as a tracer.The aim is to explore whether subtle changes in CBF occur over time between placebo and simvastatin treated patients, including potential waning of the effects of the drug over time.

    At week 16

  • AOSLO Measurements of Blood Flow

    To establish if Adaptive Optics Scanning Laser Ophthalmoscope (AOSLO) measurements of blood flow are useful correlates for cerebral blood flow measurement on and off treatment.

    At week 16

Secondary Outcomes (16)

  • MRI: ASL in White Matter, Gray Matter, Deep White Matter, Deep Gray Matter, and Thalamus

    At baseline

  • AOSLO Blood Flow Dynamics

    Over 16 weeks

  • MRI: Brain Atrophy

    At week 16

  • MRI: Diffusion Tensor Imaging (DTI)

    At week 16

  • MRI: Neurite Density and Orientation Dispersion Imaging

    At week 16

  • +11 more secondary outcomes

Other Outcomes (1)

  • Exploratory Outcomes: Immune Parameters, and Biomarkers.

    At week 4

Study Arms (2)

Simvastatin

ACTIVE COMPARATOR

Simvastatin is part of the pharmacotherapeutic group of HMG-CoA reductase inhibitors (ATC-Code: C10A A01). Simvastatin is licensed within the EU for hypercholesterolemia and cardiovascular prevention but for this trial its use will be outside its licensed indication. Oral Simvastatin will be taken 40mg daily (one tablet in the evening) for 4 weeks and then at week 4 up titrated to 80mg daily (two tablets in the evening.

Drug: Simvastatin

Placebo

PLACEBO COMPARATOR

Matched Placebo (one tablet in the evening) for 4 weeks and then at week 4 up titrated to two tablets daily in the evening.

Drug: Simvastatin

Interventions

Simvastatin 40mg for first 4 weeks and 80mg (if tolerated) thereafter up to 17 weeks

Also known as: ATC-Code: C10A A01
PlaceboSimvastatin

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients must have a confirmed diagnosis of multiple sclerosis according to revised Mc Donald criteria and have entered the secondary progressive stage or a diagnosis of Primary Progressive MS.(Polman et al., 2011, Lublin, 2014) Steady progression rather than relapse must be the major cause of increasing disability in the preceding 2 years. Progression can be evident from either an increase of at least one point on the EDSS or clinical documentation of increasing disability.
  • EDSS 4.0 - 6.5 (inclusive).
  • Male and Females aged 18 with no upper age limit
  • Females of childbearing potential and males with partners who are of childbearing age must be willing to use an effective method of contraception (Double barrier method of birth control or True abstinence) from the time consent is signed until 6 weeks after treatment discontinuation and inform the trial team if pregnancy occurs.
  • For the purpose of clarity, True abstinence is when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence, withdrawal, spermicides only or lactational amenorrhoea method for the duration of a trial, are not acceptable methods of contraception.
  • Females of childbearing potential have a negative pregnancy test within 7 days prior to being registered/randomised. Participants are considered not of child bearing potential if they are surgically sterile (i.e. they have undergone a hysterectomy, bilateral tubal ligation, or bilateral oophorectomy) or they are postmenopausal.
  • Willing and able to comply with the trial protocol (e.g. can tolerate MRI and fulfils the requirements for MRI, e.g. not fitted with pacemakers or permanent hearing aids) ability to understand and complete questionnaires.
  • Willing and able to provide written informed consent.
  • Willing to ingest gelatine (placebo will contain this). Participants must therefore be informed sensitive to personal beliefs e.g. faith, diet.

You may not qualify if:

  • Unable to give informed consent.
  • Those that have experienced a relapse or have been treated with steroids (both i.v. and oral) for multiple sclerosis relapse within 3 months of the screening visit.
  • These patients may undergo a further screening visit once the 3 month window has expired and may be included if no steroid treatment has been administered in the intervening period. Patients on steroids for another medical condition may enter as long as the steroid prescription is not for multiple sclerosis (relapse/ progression).
  • Patient is already taking or is anticipated to be taking a statin or lomitapide for cholesterol control.
  • Any medications that unfavourably interact with statins as per Spc recommendations e.g.: fibrates, nicotinic acid, cyclosporin, azole anti-fungal preparations, macrolideantibiotics, protease inhibitors, nefazodone, verapamil, amiodarone, large amounts of grapefruit juice or alcohol abuse within 6 months.
  • The use of immunosuppressants (e.g. azathioprine, methotrexate, cyclosporin) or disease modifying treatments (avonex, rebif, betaferon, glatiramer, dimethyl fumerate, fingolimod) within the previous 6 months.
  • The use of mitoxantrone if treated within the last 12 months.
  • Patient has received treatment with alemtuzumab.
  • Use of other experimental disease modifying treatment (including research in an investigational medicinal product) within 6 months of baseline visit.
  • Active Hepatic disease or known severe renal failure (creatinine clearance \<30ml/min).
  • Screening levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST) or creatine kinase (CK) are three times the upper limit of normal patients.
  • If the patient reports any ophthalmic conditions such as glaucoma, ocular trauma or degenerative eye disease. . Cataracts are acceptable as long as they have not been advised to have surgery. No restrictions on post surgical care, unless the patient reports sight restricting capsule opacity. Short title: Simvastatin in Progressive MS Sponsor code: 16/0730 UCL protocol Version 1.7, dated 18/10/2022 Page 40 of 86
  • Patient unable to tolerate or unsuitable to have baseline MRI scan (e.g. metal implants, heart pacemaker) or MRI scan not of adequate quality for analysis (e.g.
  • too much movement artefact).
  • Females who are pregnant, planning pregnancy or breastfeeding.
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Neuroinflammation, UCL Institute of Neurology

London, WC1B 5EH, United Kingdom

Location

Related Publications (37)

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MeSH Terms

Conditions

Multiple Sclerosis, Chronic ProgressiveMultiple Sclerosis

Interventions

Simvastatin

Condition Hierarchy (Ancestors)

Demyelinating Autoimmune Diseases, CNSAutoimmune Diseases of the Nervous SystemNervous System DiseasesDemyelinating DiseasesAutoimmune DiseasesImmune System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

LovastatinNaphthalenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPolycyclic Compounds

Results Point of Contact

Title
Prof. Richard Nicholas
Organization
UCL Institute of Neurology

Study Officials

  • Richard Nicholas, MD

    UCL

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 26, 2018

First Posted

March 29, 2019

Study Start

May 16, 2019

Primary Completion

September 13, 2022

Study Completion

June 15, 2023

Last Updated

July 1, 2025

Results First Posted

July 1, 2025

Record last verified: 2025-06

Data Sharing

IPD Sharing
Will not share

No identifiable patient information will be supplied to other researchers external to the organisation.

Locations