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MultipleSclerosis:Current&Emerging
Treatments Personalized Strategies
Dr. Suhail Al-Shammri
Associate Professor& Head Division of
Neurology, Mubark Al Kabir Hospital
Overview
ā€¢ The diagnostic criteria of multiple sclerosis(
MS)
ā€¢ Classification of idiopathic inflammatory
demyelinating disorders
ā€¢ Clinical course of MS
ā€¢ Current and emerging MS therapies
Idiopathic CNS Demyelinating
Diseases
ā€¢ Typical CNS demyelinating Diseases:
ā€“ Radiologically isolated syndrome (RIS)
ā€“ Clinically isolated syndrome (CIS)
ā€“ Relapsing ā€“remitting multiple sclerosis (RRMS)
ā€“ Secondary progressive MS (SPMS)
ā€“ Primary progressive MS (PPMS)
Atypical CNS Demyelinating Diseases
ā€¢ Acute disseminated encephalomyelitis
(ADEM)
ā€¢ Acute hemorrhagic leukoencephalitis (AHLE)
ā€¢ Tumefactive MS
ā€¢ Baloā€™s concentric sclerosis
ā€¢ Marburg
Radiologically Isolated Syndrome
(RIS)
ā€“ No typical symptoms of CNS demyelination
ā€“ No formally accepted diagnostic criteria
ā€“ MRI : Typical MS lesions
ā€“ CSF abnormalities
ā€“ Clinical MS Attack:
ā€“ 35% over 5 years
ā€“ MRI progression:
ā€¢ 59-83% in 2 years
ā€“ DMT is initiated only in case
of clinical/MRI progression
Okuda DT et al, Neurology2011:76()8, 686-692
Diagnostic Criteria for MS
ā€¢ An effort to make the diagnostic process more
objective
ā€¢ Formal criteria were devised to codify the typical MS
features into indisputable diagnostic criteria
ā€¢ The primary driving force is identification of patients
for research trials. ā€a consensus on which patient has
MSā€
ā€¢ Criteria are designed to be specific
ā€¢ There are patients with MS who do not meet those
criteria
ā€¢ ā€œA patient has MS when an an experienced neurologist
says he or she has MSā€
Schumacher Criteria- 1965
ā€¢ Onset of symptoms between 10 and 50 years
ā€¢ Objective abnormalities on neurologic
examination
ā€¢ The signs and symptoms indicate CNS white
matter damage
ā€¢ The lesions are disseminated in space ( 2 or more
separate lesions)
ā€¢ The lesions are disseminated in time (2 attacks at
least 1 month apart)
ā€¢ No better explanation
The Mc Donald Criteria
ā€¢ ā€˜the world consists of three types of person: those who
have multiple sclerosis; those who do not; and those
who mightā€™. Polman CH et al,Ann Neurology, 2001
Episodes
from history
Objective clinical signs Additional data needed
from MRI or clinical
follow up
2 attacks
2 attacks
1 attack
1 attack
Progressive
course over 1
year
2 lesions
1 lesion
2 lesions
1 lesion
None
DIS
DIT
Both DIS&DIT
DIS demonstrated by 2 :
1- MRI brain
2. MRI cord
3. CSF oligoclonal bands
Dissemination in Space
Polman CH et al, Ann Neurol 2011; 69:292ā€“302
Dissemination in Time
Polman CH et al, Ann Neurol 2011; 69:292ā€“302
MRI Brain DIS
MRI Cervical spine: DIS
MRI Brain T2WI
MRI Brain Enhanced T1WI:DIT
CASE
ā€¢ On 18/3/08 patient complained of ocular pain on
moving the left eye with blurred vision.
ā€¢ 2 days later she developed left frontal headache.
ā€¢ Seen by the ophthalmologist who diagnosed her as
optic neuritis and advised to be on neurobion.
ā€¢ She had several attacks of Rt. Upper limb heaviness
in the last 2 years, each was lasting for a week.
ā€¢ Her cousin has MS .
CASE : Examination
ā€¢ Her vision was 20/200 in the left eye and 20/40 in the
right eye. There was a central scotoma, and red and
blue colors were less intense in the left eye.
ā€¢ RAPD on the left
ā€¢ Left fundus: disc is congested and swollen.
ā€¢ Central Scotoma
ā€¢ Treated with pulse IV methylprednisolone for 3 days
and improved followed by short prednisolone taper
Case 1: Fundoscopy
Case : MRI Brain
Case 2: MRI Spine
Case : CSF Oligoclonal bands
Clinically Isolated Syndrome (CIS)
ā€¢ Single characteristic clinical attack of CNS
demyelination:
ā€“ Optic neuritis
ā€“ Acute partial myelitis
ā€“ Brain stem syndrome
ā€“ Cortical
ā€¢
Clinically Isolated Syndrome (CIS)
ā€¢ MRI:
ā€“ Low risk: 1 or no other asymptomatic brain lesion
ā€“ High risk: 2 or > asymptomatic lesions
ā€¢ Treatment approved for high risk patients
ā€“ IFN-B, GA reduces second attack: ARR 15%
Baseline MRI and Risk of CDMS for
Monofocal onset CIS (BENEFIT
Placebo N=93)
CHAMPS CHAMPS2 ETOMS BENEFIT25
Unifocal/multifocal/
No pt
Unifocal/
383
Unifocal Unifocal+
multifocal
/309
Unifocal/
487
IFN-B Avonex+Pulse
MP
Avonex Rebif Betasron
Dose/ 30Āµg/im/weekly 30Āµg/IM/
weekly
22Āµg/SC/
Weekly
250Āµg/SC/EOD
Duration/years 3 5 2 2
Pre-MRI T2 load 2or> 4 or > 2 OR>
%CDMS,P value 35 VS50,
p=0.002
36 VS 49,
P=0.03
34 VS 45
P=0.047
28 VS 45 (69%/85%
+MRI effect Yes Yes,
P=0.001
Yes,
P=0.001
TOPIC
Primary end point:
Conversion to CDMS (as defined by the occurrence of a relapse)
Key inclusion criteria:
ā€¢ Patients 18 to 55 years of age with a first acute/subacute neurologic event
consistent with demyelination.
ā€¢ MS symptom onset within 90 days of randomization.
ā€¢ Screening MRI scan with 2 T2 lesions 3 mM diameter that are characteristic
of MS.
Screened
(N=846)
Placebo
(n=197)
Teriflunomide 7 mg
(n=205)
R Long-Term Extension
Teriflunomide 14 mg
(n=216)
108-Week Treatment Phase
Randomized
n=618
Miller A. Plattform presentation ECTRIMS 2013
Primary / Key Secondary Endpoint
Primary Endpoint:
Time to Clinically Definite MS
(CDMS)
43%
Safety / Tolerability:
Adverse events observed in the trial were consistent with previous clinical trials
with Aubagio.
Miller A. Plattform presentation ECTRIMS 2013
21%
p=0.43
66
59%
p=0.00
08
Gd-enhancing T1 Lesions)
CIS: When To Initiate Therapy?
ā€¢ Patients with normal MRI or with fewer than 2
ā€“ Low risk of developing early clinical attacks
ā€“ Clinical and MRI monitoring
ā€“ Without immediately commencing immunotherapy
(DMT)
ā€¢ Those with abnormal MRI with2or> lesions
consistent with MS or with evidence of
intrathecal synthesis of antibodies should be
considered for DMT,
ā€¢ Patients with atypical clinical or MRI presentation
require further diagnostic evaluation.
Relapsing-Remitting MS
ā€¢ Subacute repeated onset of CNS dysfunction with
resolution ( sometimes incomplete , over days to
weeks)
ā€¢ Revised McDonald criteria
ā€¢ MRI: Periventricular, brainstem, juxtacortical
prominent T2, often Gad enhancing lesions, T1
hypointense (black holes)
ā€¢ Treatment: Interferon-B, Glatiramer acetate,
natalizumab, mitoxantrone
Features Consistent With MS
ā€¢ Relapses and remissions
ā€¢ Age Onset between ages 15 and 50
ā€¢ Optic neuritis
ā€¢ Lhermitte's sign
ā€¢ Internuclear ophthalmoplegia
ā€¢ Fatigue
ā€¢ Uhthoff's phenomenon
Features Inconsistent With MS
ā€¢ Steady progression
ā€¢ Onset before age 10 or after age 50
ā€¢ Cortical deficits such as aphasia, apraxia, alexia,
neglect
ā€¢ Rigidity, sustained dystonia
ā€¢ Convulsions
ā€¢ Early dementia
ā€¢ Deficit developing within minutes
Secondary Progressive MS
ā€¢ Majority of RRMS many years following onset
ā€¢ Progressive impairment (spastic gait
disturbance) between or in absence of attacks
ā€¢ No clear effect of DMT without ongoing
attacks or inflammation
ā€¢ Role of DMTs in SPMS patients:
ā€“ with ongoing relapses
ā€“ Substantial ongoing accrual on new MRI
inflammatory lesions
Primary Progressive MS
ā€¢ Presents with progressive myelopathic gait,
cerebellar ataxia or cognitive impairment without
clear history of any clinical attacks
ā€¢ Clinical progression must be for at least 1 year
and accompanied by a combinstion of
brain&spinal abnormalities and/or CSF
anormalities consistent with MS
ā€¢ Lack of clinical attacks/ relative paucity of MRI
lesions
ā€¢ No approved DMTs
Multiple Sclerosis (MS)
ā€¢ Multiple Sclerosis is the commonest disabling
neurological condition to afflict young adults
ā€¢ MS is an autoimmune disease triggered by
environmental agents acting in a genetically
susceptible people
ā€¢ Auto-aggresive autoimmune attack on the
myelin sheath and other components of CNS
ā€¢ Current&emerging DMTs are based in the above
paradigm
ā€¢ Is MS a primary neurodegenerative disease
MS: Pathology
MS: Pathology
Demographic
Characteristics of Multiple
Sclerosis in Kuwait
0
5
10
15
20
25
30
35
Mean Current
age
Mean age at
presentation
Mean duration
of Disease
Years
SDĀ±5.4
SDĀ±9.3
Total recruited patients in study: 195
Gender Distribution N(M/F): 195(76/119)
Cross sectional or retrospectively included
patients:134
Newly diagnosed drug naĆÆve patient:65
SDĀ±10.3
Clinical Characteristics of Multiple Sclerosis in Kuwaiti Population
20.50%
11.70%
9.40% 8.60%
7.30%
2.10% 1.50% 1.20% 0.60%
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
Sensory Brain stem
and
cerebeller
Visual Motor Multiple
Symptoms
Sphicter
disturbance
L' Hermitte
sign
Seizures Others
Presenting symptoms
PRESENTING SYMPTOMS IN MS Total %
SENSORY LOSS IN LIMBS 30.7
VISUAL LOSS 15.9
MOTOR WEAKNESS 14.2
DIPLOPIA 6.8
GAIT DISTURBANCE 4.8
NCOORDINATION 2.9
SENSORY LOSS-FACE 2.8
LHERMITTEā€™S 1.8
VERTIGO 1.7
BLADDER SYMPTOMS 1
AUTE TRANSVERSE MYELOPATHY 0.7
PAIN 0.5
OTHERS 2.5
POLYSYMPTOMATIC 13.7
Medication details in studied Kuwaiti MS patients
48.90%
15.40%
3.10%
8.70% 9.70%
0.50% 0.50% 1% 0.50% 2.60%
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
MS Therapy: Deciding on which
Medication
ā€¢ Determine Therapeutic Goals
ā€“ To reduce clinical relapse
ā€“ To reduce accumulation of new MRI lesions
ā€“ ļƒŖ new T2 lesions
ā€“ ļƒŖGadolinium-enhancing lesions
ā€“ ļƒŖblack holes
ā€“ ļƒŖBrain and spinal cord atrophy
ā€¢ Reduce short-term relapse related disability
How To Determine of The Goals are
Met?
ā€¢ Compare with baseline relapse rate
ā€“ Recall bias
ā€“ Regression to the mean
ā€¢ Assessment of improvement or stability in
neurological impairment
ā€“ Assess functional ambulatory limitation
ā€¢ May indicate progression
ā€¢ MRI ongoing/new inflammatory activity
ā€“ Serial MRI to assess radiologic stability, worsening or
improvement- q12-24 month except
How To Determine of The Goals are
Met?
ā€¢ If goals of DMT or symptomatic treatment are
being met ļƒØno change in DMT unless
problems with medication tolerability
ā€¢ A detailed evaluation of common and
idiopathic side effects will be required
ā€“ Switching of medication based on adherence and
tolerability ma be needed
What if Goals are not being Met
ā€¢ If pre-therapy relapse rate is not improved
ā€“ A therapeutic switch may be indicated
ā€¢ Relapse rate is incomplete indicator of ongoing
inflammatory disease activity
ā€“ Cranial and spinal MRI
ā€¢ May show therapy resistant inflammatory disease
ā€¢ Guide switch to a more potent anti-inflammatory
medication
ā€¢ Clinical attack or definitive worsening disability is may
lacking
Case 2
ā€¢ Mr. A.M.J is a 33 years old Kuwaiti male, diagnosed to
have MS in 2008.
ā€¢ In Jan 2008, he developed diplopia, followed by
paresthesia in feet, ascending to abdomen, chest and
forearms.
ā€¢ These symptoms persisted
ā€¢ By June 2008, he was ataxic and on a wheel chair,
when he sought medical advice
ā€¢ MRI was consistent with MS
ā€¢ Marked imrovement was noted in sensory symptoms
after pulse steroids.
Case 2
ā€¢ His symptoms showed a rapid progression, by
Sept 2008, he had optic neuritis, sphincteric
disturbance, and positive Lhermitteā€™s sign.
ā€¢ In Oct 2008, he started to take Rebif.
ā€¢ His disease remained stable, with no new
relapses and no new lesions on MRI till 2011.
ā€¢ In April 2011, he went for CCSVI treatment
and discontinued Rebif without our
knowledge or advice.
CASE 1
ā€¢ Lhermitteā€™s sign was positive
ā€¢ Cranial nerves were normal
ā€¢ No motor weakness
ā€¢ Mild sensory deficit for light touch and vibration
on left side
ā€¢ Plantars were flexor bilaterally
ā€¢ Rombergā€™s sign was mildly positive
ā€¢ Moderate left sided dysmetria, with tandem
ataxia
ā€¢ EDSS :2; AI :1.
Case 1: MRI Cervical spineTWI
Case 2
ā€¢ In August 2011 he reported dizziness, ataxia and diplopia
ā€¢ He was treated with pulse steroids with marked recovery.
ā€¢ He was clinically stable, and was advised to restart Rebif.
ā€¢ In Jan 2012, EDSS:1, AI:0.
ā€¢ MRI in June 2012 showed new cerebellar lesions, with no
enhancement.
ā€¢ In Oct 2012, he came in with a mild relapse and was
treated with pulse steroids.
ā€¢ An MRI in Dec 2012 showed worsening lesion load, and he
was advised to start Tysabri after JCV serology.
ā€¢ He started Tysabri in Dec 2012, and till 5 months post
Tysabri , there were no active lesions.
Case 2
ā€¢ In Sept 2013, patient came with another
severe relapse , with homonymous
hemianopia, sphincteric problems, gait ataxia,
and sensory disturbance.
ā€¢ Treated with pulse steroids with partial
improvement in urinary symptoms and ataxia,
but not in visual symptoms.
Case 2: MRI Brain 2
Case 2: MRI Cervical spine 2
Case 2
ā€¢ MRI showed marked worsening, with
tumefactive enhancing lesions
ā€¢ A CSF study was done, which was normal,
negative for JCV.
ā€¢ Considering this as a failure of Tysabri, it is
planned to treat him with Rituximab
Is Clinical Worsening due to Attack
related Disease or Progression?
ā€¢ If it is due to non-inflammatory MS
progressive disease
ā€“ Neurodegenerative MS
ā€“ ?subclinical ( and sub-radiologic) inflammation
unresponsive to current DMTs
ā€“ Switching to alternative MS therapy is futile
ā€¢ Escalating therapy If clinical impairment is
strongly associated with ongoing relapses or
marked new inflammatory MRI activity
Existing & Emerging MS therapies
Modified from P. Vermersch
Phase I
Phase II
Phase III
Marketed
Interferons
Antiproliferative
agents
Cytolytic mAbs
Symptomatic TxVaccine,
tolerization
Lymphocyte
trafficking
Immune
regulation
Other
Idebenone
BIIB033
Fingolimod
Firategrast
Siponimod
ONO-4641
CS-0777
ELND-002
Tysabri
Daclizumab
Laquinimod
BG12
NI-0801
AZD5904
GRC4039
CCX-140
AIN457
Cladribine
NerispirdineOfatumumab
Belimumab
Ampyra
Ocrelizumab
Sativex
Alemtuzumab
Copaxone
IPX-056
RPI-78M
LY-2127399
Novantrone
Rebif Betaferon
Pixantrone
Peg IFNb
(BIIB017)
ATX-MS-1467
PI2301
RTL1000
Copaxone
generics x2
Azathioprine
Teriflunomide
LV Copaxone
Avonex
= Oral administration
= Injectable
Extavia
Ponesimod
IFNĪ²-1b
SC qod
GA
SC qd
IFNĪ²-1a
IM qwk
Mitox
IV q 90 d
wks
IFNĪ²-1a
SC tiw
Natalizumab
IV q 4 wks
Fingolimod
0.5 mg gd
Teriflun
PO qd
Laquin
PO
Daclizumab
SC
BG-12
PO bid
Alemtuz
IV
The Changing Landscape of MS Disease Modifying Treatment
Of Approved and Emerging Therapies
How are MS medication is selected?
ā€¢ Injectable interferon-Ī² and glatiramer acetate
remain the first line DMT for many clinicians
ā€“ Their side effects are manageable with minimum
of serious side effects
ā€¢ First line DMTs are effective in reducing clinical
attacks and new MRI lesions
Injectable therapies
Oral therapies
Consider side effects
BG 12
Fingolimod
Terflunomide
Natalizumab
GlatiramerInterferon
Ī²
Relapsing inflammatory MS clinical course
First line
First line?
Severe relapsing
inflammatory MS/JCV
negative
Inadequate
response/inj
intolerance
Inadequate
response/oral
intolerance
Parallel switch
Inadequate
response/JCV
negative
Drawback of injectable Medication
ā€¢ Interferon-Ī²
ā€“ ā€œFlue-like illnessā€ often transient
ā€“ Liver enzyme monitoring
ā€“ Rarely depression
ā€¢ Glatiramer acetate
ā€“ Flushing, eosinophilia, rare allergic reaction,
injection-site reactions (skin liopatrophy)
ā€“ Conbination therapy+interferon-Ī²1a IM/weekly
and glatiramer acetate does not appear to be
significantly more efficacious than monotherapy
Lublin FD et al, Ann Neurology 2013
BG-12
Phase III trials
BG-12
ļƒ˜ Integrated analysis
ā€¢ Compared with PBO, BG-12 240 mg BID and TID
significantly reduced ARR, risk of relapse, adjusted ARR
requiring steroids, disability progression, and MRI
outcomes.
ā€¢ Demonstrated consistent benefits on clinical efficacy
across prespecified subgroups of RRMS pts with varied
baseline demographics and disease characteristics
ā€¢ Overall incidence of AEs, SAEs, and discontinuations
due to AES similar across tx groups; flushing and GI
events most common AEs
Nrf2
- Detox Enzymes
- Antioxidant Enzymes
- NADPH Generating Enzymes
- GSH Biosynthesis Enzymes
- Chaperones
- Ubiquitination/Proteasome
Cell and Tissue Protection
NFkB
- Proinflammatory cytokines
- Leukocyte adhesion molecules
- Lymphocyte activation
Inflammation,
Tissue Damage
Nrf2 Pathway May Induce a Cytoprotective Response and
Inhibit NFkB Mediated Inflammation
BG-12
DEFINE Trial BG12 240mg bid vs tid:
Primary endpoint - Relapses
p<0.0001
p<0.0001
41.3%
52.7%
DEFINE: MRI
p<0.0001
85%
p<0.0001
90%
Placebo
BG12 bid
BG12 tid
BG-12 (dimethyl fumarate, DMF):
CONFIRM ā€” Annualized Relapse
Rate
Daclizumab
ā€¢ Anti-CD25 mAb
Daclizumab
ā€¢ Effects similar in patients with highly active MS
compared with pts with less aggressive disease
prior to tx initiation
ā€¢ Treatment resulted in significant increase in
number of pts who were disease- activity free
following 1 year of tx in SELECT trial
ā€¢ Patients had reductions in % change in volume of
T1-hypointense and T2-hyperintense lesions over
52 wks of treatment vs increases in PBO group
S1P receptor modulators/ agonists
ā€¢ In phase 2b study, ponesimod significantly reduced inflammatory
MRI activity at all doses tested, with a significant dose response;
lower ARR also observed with ponesimod compared with PBO, and
was generally well tolerated
ā€¢ Primary endpoint met in phase 2 DreaMS trial: ONO-4641
demonstrated significant efficacy on all key MRI measures of
disease activity at all 3 doses compared with PBO, and was
generally
ā€¢ well tolerated Compared with PBO, reduction in mean CUAL
observed as early as
ā€¢ month 1 for siponimod 0.25 mg/day and 2.0 mg/day, and in all
doses at month 2 in phase 2 BOLD trial; effect maintained at each
month up to month 6; similar pattern for new/enlarging T2 lesions
for all siponimod doses at month 2 and maintained at each month
up to month 613
Glatiramer acetate
ā€¢ Compared with PBO, GA 40 mg SC TIW
significantly reduced:
ā€¢ ARR by 34.4.% (P < .0001) Cumulative # GdE
lesions by 44.8% (P < .0001) Cumulative #
new/enlarging T2 lesions by 34.7%
ā€¢ (P < .0001) Safety profile consistent with GA 20
mg/day SC
Teriflunomide
Pyrimidine Synthesis
Inhibitor (anti-
metabolite)
Teriflunomide
ā€¢ Compared with PBO, 7 mg/day and 14 mg/day
teriflunomide significantly reduced ARR by 22.3% and
36.3%, respectively (P = .0183 and P = .0001, respectively)
ā€¢ Compared with PBO, 14 mg/day teriflunomide significantly
reduced 12-wk CDP (HR = .685; P = .0442)
ā€¢ Both teriflunomide doses generally well tolerated; safety
profile consistent with prior studies
ā€¢ Update from TEMSO trial Mean reductions in lymphocyte
and neutrophil observed in TEMSO were small in
magnitude and were reversible after treatment
discontinuation or on treatment in some cases; no other
clinically significant complications to blood cytopenias
reported
a)Adjusted for Expanded Disability Status Scale (EDSS) score strata at baseline and takes duration of treatment into
account .ARR, annualised relapse rate; RRR, relative risk reduction
0.369
0.370
0.539
0 0.1 0.2 0.3 0.4 0.5 0.6
14 mg
7 mg
Placebo
Teriflunomide
Adjusteda annualized relapse rate
RRR: 31.2%
p=0.0002
RRR: 31.5%
p=0.0005
TEMSO: Relapse Rate
279
290
285
363
365
358
306
309
302
Number at risk
Placebo
7 mg teriflunomide
14 mg teriflunomide
242
252
251
211
234
227
200
224
217
160
178
175
336
343
329
258
266
262
40
0
0 36 72 84 96 10848 60
Disabilityprogression(%)
30
24
Week
10
20
12
224
238
234
Placebo vs 7 mg: HRR
23.7%
p=0.0835
Placebo vs 14 mg:
HRR 29.8% p=0.0279
27.3%
21.7%
20.2%
Placebo
7 mg teriflunomide
14 mg teriflunomide
TEMSO: EDSS progression
(3 month confirmed)
TENERE: Annualized relapse rate
ā€¢ The ARR in the 14 mg teriflunomide group was
not statistically different from the ARR in the
RebifĀ® group
ā€¢ The estimated ARR was higher in the 7mg
treatment group
0 0.1 0.2 0.3 0.4 0.5
Annualized Relapse Rate
Teriflunomide14 mg
N=109
Teriflunomide 7 mg
N=111
0.216RebifĀ®
N=104
0.259
0.410
Genzyme, Press release, Cambridge, MA ā€“ December 20, 2011
FINGOLIMOD
Sphingosine-1-
Phosphate (S1P)
Receptor Agonist
Fingolimod
ā€¢ Treatment with fingolimod 0.5 mg:
ā€“ Significant benefits on relapse-related outcomes within first 3 months
and on volume loss over 6 months compared with PBO in FREEDOMS
and FREEDOMS II studies; concordant results from 2 large phase 3
trials, along with phase 2 data, allow better definition of expectations
regarding time lag between initiation and effects of fingolimod
treatment
ā€¢ Fingolimod treatment initiation effects in pooled population from
FREEDOMS, FREEDOMS II (vs PBO), and TRANSFORMS (vs IM IFN Ć -
1a) a transient, mostly asymptomatic decrease in heart rate;
symptomatic bradycardia and Mobitz I and 2:1 AVBs were dose-
dependent; AVB first occurrences most common <6 h post-dose5
ā€¢ Analysis of TRANSFORMS trial demonstrated advantage of
switching to fingolimod over remaining on IFN Ć -1a IM with regard
to time to relapse in RRMS6
LN
T-cell FTY720-P
Prevents T-cell invasion
of central nervous
system
S1P receptor
Sphingosine-1-phosphate (S1P) receptor modulator
Internalises S1P1, blocks lymphocyte
egress from lymph node (LN) while
sparing immune surveillance by
peripheral memory T-cells
FTY720 traps circulating
lymphocytes in
peripheral lymph nodes
Multiple sclerosis
FTY720
Fingolimod: Mechanism of Action
FREEDOMS (Fingolimod)
Annualized Relapse Rate
0.160.18
0.40
0.0
0.1
0.2
0.3
0.4
Annualisedrelapserate
Placebo
(n = 418)
Fingolimod 0.5 mg
(n = 425)
Fingolimod 1.25 mg
(n = 429)
-54% vs placebo
p < 0.001
-60% vs placebo
p < 0.001
ITT population; negative binomial regression model adjusted for treatment group, country, number of relapses in previous 2 years
and baseline Expanded Disability Status Scale (EDSS) as covariates
*Analysis performed using a negative binomial regression model adjusted for treatment group and country
**Analysis performed using rank ANCOVA adjusted for treatment group, country and number of lesions at baseline
Gd+, gadolinium-enhancing; MRI, magnetic resonance imaging
Fingolimod
0.5 mg
(n = 370)
Fingolimod
1.25 mg
(n = 337 )
0
2
4
6
8
10
12
9.8
(13.2)
2.5
(7.2)
2.5
(5.5)
Placebo
(n = 339)
# new/enlarging T2 lesions at month 24
from baseline*
Fingolimod
1.25 mg
(n = 343 )
0
0.2
0.4
0.6
0.8
1
1.2
Mean(SD)lesionnumber
Placebo
(n = 332)
Fingolimod
0.5 mg
(n = 369)
0.2
(1.1)
1.1
(2.4)
0.2
(0.8)
# T1 Gd+ lesions at month 24**
p < 0.001
p < 0.001
p < 0.001
p < 0.001
FREEDOMS (Fingolimod)
MRI Lesion Activity
FREEDOMS (Fingolimod)
Disability (Disability) Progression
Placebo
Fingolimod 0.5 mg
Fingolimod 1.25 mg
Patientswith3-monthconfirmedEDSS
progression(%)
Days on study
Fingolimod 1.25 mg vs placebo, HR = 0.68, p = 0.012
Fingolimod 0.5 mg vs placebo, HR = 0.70, p = 0.026
0
5
10
15
20
25
30
0 90 180 270 360 450 540 630 720
HR, hazard ratio

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Progress in Multiple Sclerosis Research

  • 1. MultipleSclerosis:Current&Emerging Treatments Personalized Strategies Dr. Suhail Al-Shammri Associate Professor& Head Division of Neurology, Mubark Al Kabir Hospital
  • 2. Overview ā€¢ The diagnostic criteria of multiple sclerosis( MS) ā€¢ Classification of idiopathic inflammatory demyelinating disorders ā€¢ Clinical course of MS ā€¢ Current and emerging MS therapies
  • 3. Idiopathic CNS Demyelinating Diseases ā€¢ Typical CNS demyelinating Diseases: ā€“ Radiologically isolated syndrome (RIS) ā€“ Clinically isolated syndrome (CIS) ā€“ Relapsing ā€“remitting multiple sclerosis (RRMS) ā€“ Secondary progressive MS (SPMS) ā€“ Primary progressive MS (PPMS)
  • 4. Atypical CNS Demyelinating Diseases ā€¢ Acute disseminated encephalomyelitis (ADEM) ā€¢ Acute hemorrhagic leukoencephalitis (AHLE) ā€¢ Tumefactive MS ā€¢ Baloā€™s concentric sclerosis ā€¢ Marburg
  • 5. Radiologically Isolated Syndrome (RIS) ā€“ No typical symptoms of CNS demyelination ā€“ No formally accepted diagnostic criteria ā€“ MRI : Typical MS lesions ā€“ CSF abnormalities ā€“ Clinical MS Attack: ā€“ 35% over 5 years ā€“ MRI progression: ā€¢ 59-83% in 2 years ā€“ DMT is initiated only in case of clinical/MRI progression Okuda DT et al, Neurology2011:76()8, 686-692
  • 6. Diagnostic Criteria for MS ā€¢ An effort to make the diagnostic process more objective ā€¢ Formal criteria were devised to codify the typical MS features into indisputable diagnostic criteria ā€¢ The primary driving force is identification of patients for research trials. ā€a consensus on which patient has MSā€ ā€¢ Criteria are designed to be specific ā€¢ There are patients with MS who do not meet those criteria ā€¢ ā€œA patient has MS when an an experienced neurologist says he or she has MSā€
  • 7. Schumacher Criteria- 1965 ā€¢ Onset of symptoms between 10 and 50 years ā€¢ Objective abnormalities on neurologic examination ā€¢ The signs and symptoms indicate CNS white matter damage ā€¢ The lesions are disseminated in space ( 2 or more separate lesions) ā€¢ The lesions are disseminated in time (2 attacks at least 1 month apart) ā€¢ No better explanation
  • 8.
  • 9. The Mc Donald Criteria ā€¢ ā€˜the world consists of three types of person: those who have multiple sclerosis; those who do not; and those who mightā€™. Polman CH et al,Ann Neurology, 2001 Episodes from history Objective clinical signs Additional data needed from MRI or clinical follow up 2 attacks 2 attacks 1 attack 1 attack Progressive course over 1 year 2 lesions 1 lesion 2 lesions 1 lesion None DIS DIT Both DIS&DIT DIS demonstrated by 2 : 1- MRI brain 2. MRI cord 3. CSF oligoclonal bands
  • 10. Dissemination in Space Polman CH et al, Ann Neurol 2011; 69:292ā€“302
  • 11. Dissemination in Time Polman CH et al, Ann Neurol 2011; 69:292ā€“302
  • 15. MRI Brain Enhanced T1WI:DIT
  • 16. CASE ā€¢ On 18/3/08 patient complained of ocular pain on moving the left eye with blurred vision. ā€¢ 2 days later she developed left frontal headache. ā€¢ Seen by the ophthalmologist who diagnosed her as optic neuritis and advised to be on neurobion. ā€¢ She had several attacks of Rt. Upper limb heaviness in the last 2 years, each was lasting for a week. ā€¢ Her cousin has MS .
  • 17. CASE : Examination ā€¢ Her vision was 20/200 in the left eye and 20/40 in the right eye. There was a central scotoma, and red and blue colors were less intense in the left eye. ā€¢ RAPD on the left ā€¢ Left fundus: disc is congested and swollen. ā€¢ Central Scotoma ā€¢ Treated with pulse IV methylprednisolone for 3 days and improved followed by short prednisolone taper
  • 19. Case : MRI Brain
  • 20. Case 2: MRI Spine
  • 21. Case : CSF Oligoclonal bands
  • 22. Clinically Isolated Syndrome (CIS) ā€¢ Single characteristic clinical attack of CNS demyelination: ā€“ Optic neuritis ā€“ Acute partial myelitis ā€“ Brain stem syndrome ā€“ Cortical ā€¢
  • 23. Clinically Isolated Syndrome (CIS) ā€¢ MRI: ā€“ Low risk: 1 or no other asymptomatic brain lesion ā€“ High risk: 2 or > asymptomatic lesions ā€¢ Treatment approved for high risk patients ā€“ IFN-B, GA reduces second attack: ARR 15%
  • 24. Baseline MRI and Risk of CDMS for Monofocal onset CIS (BENEFIT Placebo N=93)
  • 25. CHAMPS CHAMPS2 ETOMS BENEFIT25 Unifocal/multifocal/ No pt Unifocal/ 383 Unifocal Unifocal+ multifocal /309 Unifocal/ 487 IFN-B Avonex+Pulse MP Avonex Rebif Betasron Dose/ 30Āµg/im/weekly 30Āµg/IM/ weekly 22Āµg/SC/ Weekly 250Āµg/SC/EOD Duration/years 3 5 2 2 Pre-MRI T2 load 2or> 4 or > 2 OR> %CDMS,P value 35 VS50, p=0.002 36 VS 49, P=0.03 34 VS 45 P=0.047 28 VS 45 (69%/85% +MRI effect Yes Yes, P=0.001 Yes, P=0.001
  • 26. TOPIC Primary end point: Conversion to CDMS (as defined by the occurrence of a relapse) Key inclusion criteria: ā€¢ Patients 18 to 55 years of age with a first acute/subacute neurologic event consistent with demyelination. ā€¢ MS symptom onset within 90 days of randomization. ā€¢ Screening MRI scan with 2 T2 lesions 3 mM diameter that are characteristic of MS. Screened (N=846) Placebo (n=197) Teriflunomide 7 mg (n=205) R Long-Term Extension Teriflunomide 14 mg (n=216) 108-Week Treatment Phase Randomized n=618 Miller A. Plattform presentation ECTRIMS 2013
  • 27. Primary / Key Secondary Endpoint Primary Endpoint: Time to Clinically Definite MS (CDMS) 43% Safety / Tolerability: Adverse events observed in the trial were consistent with previous clinical trials with Aubagio. Miller A. Plattform presentation ECTRIMS 2013 21% p=0.43 66 59% p=0.00 08 Gd-enhancing T1 Lesions)
  • 28. CIS: When To Initiate Therapy? ā€¢ Patients with normal MRI or with fewer than 2 ā€“ Low risk of developing early clinical attacks ā€“ Clinical and MRI monitoring ā€“ Without immediately commencing immunotherapy (DMT) ā€¢ Those with abnormal MRI with2or> lesions consistent with MS or with evidence of intrathecal synthesis of antibodies should be considered for DMT, ā€¢ Patients with atypical clinical or MRI presentation require further diagnostic evaluation.
  • 29. Relapsing-Remitting MS ā€¢ Subacute repeated onset of CNS dysfunction with resolution ( sometimes incomplete , over days to weeks) ā€¢ Revised McDonald criteria ā€¢ MRI: Periventricular, brainstem, juxtacortical prominent T2, often Gad enhancing lesions, T1 hypointense (black holes) ā€¢ Treatment: Interferon-B, Glatiramer acetate, natalizumab, mitoxantrone
  • 30. Features Consistent With MS ā€¢ Relapses and remissions ā€¢ Age Onset between ages 15 and 50 ā€¢ Optic neuritis ā€¢ Lhermitte's sign ā€¢ Internuclear ophthalmoplegia ā€¢ Fatigue ā€¢ Uhthoff's phenomenon
  • 31. Features Inconsistent With MS ā€¢ Steady progression ā€¢ Onset before age 10 or after age 50 ā€¢ Cortical deficits such as aphasia, apraxia, alexia, neglect ā€¢ Rigidity, sustained dystonia ā€¢ Convulsions ā€¢ Early dementia ā€¢ Deficit developing within minutes
  • 32. Secondary Progressive MS ā€¢ Majority of RRMS many years following onset ā€¢ Progressive impairment (spastic gait disturbance) between or in absence of attacks ā€¢ No clear effect of DMT without ongoing attacks or inflammation ā€¢ Role of DMTs in SPMS patients: ā€“ with ongoing relapses ā€“ Substantial ongoing accrual on new MRI inflammatory lesions
  • 33. Primary Progressive MS ā€¢ Presents with progressive myelopathic gait, cerebellar ataxia or cognitive impairment without clear history of any clinical attacks ā€¢ Clinical progression must be for at least 1 year and accompanied by a combinstion of brain&spinal abnormalities and/or CSF anormalities consistent with MS ā€¢ Lack of clinical attacks/ relative paucity of MRI lesions ā€¢ No approved DMTs
  • 34. Multiple Sclerosis (MS) ā€¢ Multiple Sclerosis is the commonest disabling neurological condition to afflict young adults ā€¢ MS is an autoimmune disease triggered by environmental agents acting in a genetically susceptible people ā€¢ Auto-aggresive autoimmune attack on the myelin sheath and other components of CNS ā€¢ Current&emerging DMTs are based in the above paradigm ā€¢ Is MS a primary neurodegenerative disease
  • 37. Demographic Characteristics of Multiple Sclerosis in Kuwait 0 5 10 15 20 25 30 35 Mean Current age Mean age at presentation Mean duration of Disease Years SDĀ±5.4 SDĀ±9.3 Total recruited patients in study: 195 Gender Distribution N(M/F): 195(76/119) Cross sectional or retrospectively included patients:134 Newly diagnosed drug naĆÆve patient:65 SDĀ±10.3
  • 38. Clinical Characteristics of Multiple Sclerosis in Kuwaiti Population 20.50% 11.70% 9.40% 8.60% 7.30% 2.10% 1.50% 1.20% 0.60% 0.00% 5.00% 10.00% 15.00% 20.00% 25.00% Sensory Brain stem and cerebeller Visual Motor Multiple Symptoms Sphicter disturbance L' Hermitte sign Seizures Others Presenting symptoms
  • 39. PRESENTING SYMPTOMS IN MS Total % SENSORY LOSS IN LIMBS 30.7 VISUAL LOSS 15.9 MOTOR WEAKNESS 14.2 DIPLOPIA 6.8 GAIT DISTURBANCE 4.8 NCOORDINATION 2.9 SENSORY LOSS-FACE 2.8 LHERMITTEā€™S 1.8 VERTIGO 1.7 BLADDER SYMPTOMS 1 AUTE TRANSVERSE MYELOPATHY 0.7 PAIN 0.5 OTHERS 2.5 POLYSYMPTOMATIC 13.7
  • 40.
  • 41. Medication details in studied Kuwaiti MS patients 48.90% 15.40% 3.10% 8.70% 9.70% 0.50% 0.50% 1% 0.50% 2.60% 0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00%
  • 42. MS Therapy: Deciding on which Medication ā€¢ Determine Therapeutic Goals ā€“ To reduce clinical relapse ā€“ To reduce accumulation of new MRI lesions ā€“ ļƒŖ new T2 lesions ā€“ ļƒŖGadolinium-enhancing lesions ā€“ ļƒŖblack holes ā€“ ļƒŖBrain and spinal cord atrophy ā€¢ Reduce short-term relapse related disability
  • 43. How To Determine of The Goals are Met? ā€¢ Compare with baseline relapse rate ā€“ Recall bias ā€“ Regression to the mean ā€¢ Assessment of improvement or stability in neurological impairment ā€“ Assess functional ambulatory limitation ā€¢ May indicate progression ā€¢ MRI ongoing/new inflammatory activity ā€“ Serial MRI to assess radiologic stability, worsening or improvement- q12-24 month except
  • 44. How To Determine of The Goals are Met? ā€¢ If goals of DMT or symptomatic treatment are being met ļƒØno change in DMT unless problems with medication tolerability ā€¢ A detailed evaluation of common and idiopathic side effects will be required ā€“ Switching of medication based on adherence and tolerability ma be needed
  • 45. What if Goals are not being Met ā€¢ If pre-therapy relapse rate is not improved ā€“ A therapeutic switch may be indicated ā€¢ Relapse rate is incomplete indicator of ongoing inflammatory disease activity ā€“ Cranial and spinal MRI ā€¢ May show therapy resistant inflammatory disease ā€¢ Guide switch to a more potent anti-inflammatory medication ā€¢ Clinical attack or definitive worsening disability is may lacking
  • 46. Case 2 ā€¢ Mr. A.M.J is a 33 years old Kuwaiti male, diagnosed to have MS in 2008. ā€¢ In Jan 2008, he developed diplopia, followed by paresthesia in feet, ascending to abdomen, chest and forearms. ā€¢ These symptoms persisted ā€¢ By June 2008, he was ataxic and on a wheel chair, when he sought medical advice ā€¢ MRI was consistent with MS ā€¢ Marked imrovement was noted in sensory symptoms after pulse steroids.
  • 47. Case 2 ā€¢ His symptoms showed a rapid progression, by Sept 2008, he had optic neuritis, sphincteric disturbance, and positive Lhermitteā€™s sign. ā€¢ In Oct 2008, he started to take Rebif. ā€¢ His disease remained stable, with no new relapses and no new lesions on MRI till 2011. ā€¢ In April 2011, he went for CCSVI treatment and discontinued Rebif without our knowledge or advice.
  • 48. CASE 1 ā€¢ Lhermitteā€™s sign was positive ā€¢ Cranial nerves were normal ā€¢ No motor weakness ā€¢ Mild sensory deficit for light touch and vibration on left side ā€¢ Plantars were flexor bilaterally ā€¢ Rombergā€™s sign was mildly positive ā€¢ Moderate left sided dysmetria, with tandem ataxia ā€¢ EDSS :2; AI :1.
  • 49.
  • 50.
  • 51. Case 1: MRI Cervical spineTWI
  • 52. Case 2 ā€¢ In August 2011 he reported dizziness, ataxia and diplopia ā€¢ He was treated with pulse steroids with marked recovery. ā€¢ He was clinically stable, and was advised to restart Rebif. ā€¢ In Jan 2012, EDSS:1, AI:0. ā€¢ MRI in June 2012 showed new cerebellar lesions, with no enhancement. ā€¢ In Oct 2012, he came in with a mild relapse and was treated with pulse steroids. ā€¢ An MRI in Dec 2012 showed worsening lesion load, and he was advised to start Tysabri after JCV serology. ā€¢ He started Tysabri in Dec 2012, and till 5 months post Tysabri , there were no active lesions.
  • 53. Case 2 ā€¢ In Sept 2013, patient came with another severe relapse , with homonymous hemianopia, sphincteric problems, gait ataxia, and sensory disturbance. ā€¢ Treated with pulse steroids with partial improvement in urinary symptoms and ataxia, but not in visual symptoms.
  • 54. Case 2: MRI Brain 2
  • 55. Case 2: MRI Cervical spine 2
  • 56. Case 2 ā€¢ MRI showed marked worsening, with tumefactive enhancing lesions ā€¢ A CSF study was done, which was normal, negative for JCV. ā€¢ Considering this as a failure of Tysabri, it is planned to treat him with Rituximab
  • 57. Is Clinical Worsening due to Attack related Disease or Progression? ā€¢ If it is due to non-inflammatory MS progressive disease ā€“ Neurodegenerative MS ā€“ ?subclinical ( and sub-radiologic) inflammation unresponsive to current DMTs ā€“ Switching to alternative MS therapy is futile ā€¢ Escalating therapy If clinical impairment is strongly associated with ongoing relapses or marked new inflammatory MRI activity
  • 58. Existing & Emerging MS therapies Modified from P. Vermersch Phase I Phase II Phase III Marketed Interferons Antiproliferative agents Cytolytic mAbs Symptomatic TxVaccine, tolerization Lymphocyte trafficking Immune regulation Other Idebenone BIIB033 Fingolimod Firategrast Siponimod ONO-4641 CS-0777 ELND-002 Tysabri Daclizumab Laquinimod BG12 NI-0801 AZD5904 GRC4039 CCX-140 AIN457 Cladribine NerispirdineOfatumumab Belimumab Ampyra Ocrelizumab Sativex Alemtuzumab Copaxone IPX-056 RPI-78M LY-2127399 Novantrone Rebif Betaferon Pixantrone Peg IFNb (BIIB017) ATX-MS-1467 PI2301 RTL1000 Copaxone generics x2 Azathioprine Teriflunomide LV Copaxone Avonex = Oral administration = Injectable Extavia Ponesimod
  • 59. IFNĪ²-1b SC qod GA SC qd IFNĪ²-1a IM qwk Mitox IV q 90 d wks IFNĪ²-1a SC tiw Natalizumab IV q 4 wks Fingolimod 0.5 mg gd Teriflun PO qd Laquin PO Daclizumab SC BG-12 PO bid Alemtuz IV The Changing Landscape of MS Disease Modifying Treatment Of Approved and Emerging Therapies
  • 60. How are MS medication is selected? ā€¢ Injectable interferon-Ī² and glatiramer acetate remain the first line DMT for many clinicians ā€“ Their side effects are manageable with minimum of serious side effects ā€¢ First line DMTs are effective in reducing clinical attacks and new MRI lesions
  • 61. Injectable therapies Oral therapies Consider side effects BG 12 Fingolimod Terflunomide Natalizumab GlatiramerInterferon Ī² Relapsing inflammatory MS clinical course First line First line? Severe relapsing inflammatory MS/JCV negative Inadequate response/inj intolerance Inadequate response/oral intolerance Parallel switch Inadequate response/JCV negative
  • 62. Drawback of injectable Medication ā€¢ Interferon-Ī² ā€“ ā€œFlue-like illnessā€ often transient ā€“ Liver enzyme monitoring ā€“ Rarely depression ā€¢ Glatiramer acetate ā€“ Flushing, eosinophilia, rare allergic reaction, injection-site reactions (skin liopatrophy) ā€“ Conbination therapy+interferon-Ī²1a IM/weekly and glatiramer acetate does not appear to be significantly more efficacious than monotherapy Lublin FD et al, Ann Neurology 2013
  • 63.
  • 64.
  • 65.
  • 66.
  • 67.
  • 69. BG-12 ļƒ˜ Integrated analysis ā€¢ Compared with PBO, BG-12 240 mg BID and TID significantly reduced ARR, risk of relapse, adjusted ARR requiring steroids, disability progression, and MRI outcomes. ā€¢ Demonstrated consistent benefits on clinical efficacy across prespecified subgroups of RRMS pts with varied baseline demographics and disease characteristics ā€¢ Overall incidence of AEs, SAEs, and discontinuations due to AES similar across tx groups; flushing and GI events most common AEs
  • 70. Nrf2 - Detox Enzymes - Antioxidant Enzymes - NADPH Generating Enzymes - GSH Biosynthesis Enzymes - Chaperones - Ubiquitination/Proteasome Cell and Tissue Protection NFkB - Proinflammatory cytokines - Leukocyte adhesion molecules - Lymphocyte activation Inflammation, Tissue Damage Nrf2 Pathway May Induce a Cytoprotective Response and Inhibit NFkB Mediated Inflammation BG-12
  • 71. DEFINE Trial BG12 240mg bid vs tid: Primary endpoint - Relapses p<0.0001 p<0.0001 41.3% 52.7%
  • 73. BG-12 (dimethyl fumarate, DMF): CONFIRM ā€” Annualized Relapse Rate
  • 75. Daclizumab ā€¢ Effects similar in patients with highly active MS compared with pts with less aggressive disease prior to tx initiation ā€¢ Treatment resulted in significant increase in number of pts who were disease- activity free following 1 year of tx in SELECT trial ā€¢ Patients had reductions in % change in volume of T1-hypointense and T2-hyperintense lesions over 52 wks of treatment vs increases in PBO group
  • 76.
  • 77. S1P receptor modulators/ agonists ā€¢ In phase 2b study, ponesimod significantly reduced inflammatory MRI activity at all doses tested, with a significant dose response; lower ARR also observed with ponesimod compared with PBO, and was generally well tolerated ā€¢ Primary endpoint met in phase 2 DreaMS trial: ONO-4641 demonstrated significant efficacy on all key MRI measures of disease activity at all 3 doses compared with PBO, and was generally ā€¢ well tolerated Compared with PBO, reduction in mean CUAL observed as early as ā€¢ month 1 for siponimod 0.25 mg/day and 2.0 mg/day, and in all doses at month 2 in phase 2 BOLD trial; effect maintained at each month up to month 6; similar pattern for new/enlarging T2 lesions for all siponimod doses at month 2 and maintained at each month up to month 613
  • 78. Glatiramer acetate ā€¢ Compared with PBO, GA 40 mg SC TIW significantly reduced: ā€¢ ARR by 34.4.% (P < .0001) Cumulative # GdE lesions by 44.8% (P < .0001) Cumulative # new/enlarging T2 lesions by 34.7% ā€¢ (P < .0001) Safety profile consistent with GA 20 mg/day SC
  • 80. Teriflunomide ā€¢ Compared with PBO, 7 mg/day and 14 mg/day teriflunomide significantly reduced ARR by 22.3% and 36.3%, respectively (P = .0183 and P = .0001, respectively) ā€¢ Compared with PBO, 14 mg/day teriflunomide significantly reduced 12-wk CDP (HR = .685; P = .0442) ā€¢ Both teriflunomide doses generally well tolerated; safety profile consistent with prior studies ā€¢ Update from TEMSO trial Mean reductions in lymphocyte and neutrophil observed in TEMSO were small in magnitude and were reversible after treatment discontinuation or on treatment in some cases; no other clinically significant complications to blood cytopenias reported
  • 81. a)Adjusted for Expanded Disability Status Scale (EDSS) score strata at baseline and takes duration of treatment into account .ARR, annualised relapse rate; RRR, relative risk reduction 0.369 0.370 0.539 0 0.1 0.2 0.3 0.4 0.5 0.6 14 mg 7 mg Placebo Teriflunomide Adjusteda annualized relapse rate RRR: 31.2% p=0.0002 RRR: 31.5% p=0.0005 TEMSO: Relapse Rate
  • 82. 279 290 285 363 365 358 306 309 302 Number at risk Placebo 7 mg teriflunomide 14 mg teriflunomide 242 252 251 211 234 227 200 224 217 160 178 175 336 343 329 258 266 262 40 0 0 36 72 84 96 10848 60 Disabilityprogression(%) 30 24 Week 10 20 12 224 238 234 Placebo vs 7 mg: HRR 23.7% p=0.0835 Placebo vs 14 mg: HRR 29.8% p=0.0279 27.3% 21.7% 20.2% Placebo 7 mg teriflunomide 14 mg teriflunomide TEMSO: EDSS progression (3 month confirmed)
  • 83. TENERE: Annualized relapse rate ā€¢ The ARR in the 14 mg teriflunomide group was not statistically different from the ARR in the RebifĀ® group ā€¢ The estimated ARR was higher in the 7mg treatment group 0 0.1 0.2 0.3 0.4 0.5 Annualized Relapse Rate Teriflunomide14 mg N=109 Teriflunomide 7 mg N=111 0.216RebifĀ® N=104 0.259 0.410 Genzyme, Press release, Cambridge, MA ā€“ December 20, 2011
  • 85. Fingolimod ā€¢ Treatment with fingolimod 0.5 mg: ā€“ Significant benefits on relapse-related outcomes within first 3 months and on volume loss over 6 months compared with PBO in FREEDOMS and FREEDOMS II studies; concordant results from 2 large phase 3 trials, along with phase 2 data, allow better definition of expectations regarding time lag between initiation and effects of fingolimod treatment ā€¢ Fingolimod treatment initiation effects in pooled population from FREEDOMS, FREEDOMS II (vs PBO), and TRANSFORMS (vs IM IFN Ć - 1a) a transient, mostly asymptomatic decrease in heart rate; symptomatic bradycardia and Mobitz I and 2:1 AVBs were dose- dependent; AVB first occurrences most common <6 h post-dose5 ā€¢ Analysis of TRANSFORMS trial demonstrated advantage of switching to fingolimod over remaining on IFN Ć -1a IM with regard to time to relapse in RRMS6
  • 86. LN T-cell FTY720-P Prevents T-cell invasion of central nervous system S1P receptor Sphingosine-1-phosphate (S1P) receptor modulator Internalises S1P1, blocks lymphocyte egress from lymph node (LN) while sparing immune surveillance by peripheral memory T-cells FTY720 traps circulating lymphocytes in peripheral lymph nodes Multiple sclerosis FTY720 Fingolimod: Mechanism of Action
  • 87. FREEDOMS (Fingolimod) Annualized Relapse Rate 0.160.18 0.40 0.0 0.1 0.2 0.3 0.4 Annualisedrelapserate Placebo (n = 418) Fingolimod 0.5 mg (n = 425) Fingolimod 1.25 mg (n = 429) -54% vs placebo p < 0.001 -60% vs placebo p < 0.001 ITT population; negative binomial regression model adjusted for treatment group, country, number of relapses in previous 2 years and baseline Expanded Disability Status Scale (EDSS) as covariates
  • 88. *Analysis performed using a negative binomial regression model adjusted for treatment group and country **Analysis performed using rank ANCOVA adjusted for treatment group, country and number of lesions at baseline Gd+, gadolinium-enhancing; MRI, magnetic resonance imaging Fingolimod 0.5 mg (n = 370) Fingolimod 1.25 mg (n = 337 ) 0 2 4 6 8 10 12 9.8 (13.2) 2.5 (7.2) 2.5 (5.5) Placebo (n = 339) # new/enlarging T2 lesions at month 24 from baseline* Fingolimod 1.25 mg (n = 343 ) 0 0.2 0.4 0.6 0.8 1 1.2 Mean(SD)lesionnumber Placebo (n = 332) Fingolimod 0.5 mg (n = 369) 0.2 (1.1) 1.1 (2.4) 0.2 (0.8) # T1 Gd+ lesions at month 24** p < 0.001 p < 0.001 p < 0.001 p < 0.001 FREEDOMS (Fingolimod) MRI Lesion Activity
  • 89. FREEDOMS (Fingolimod) Disability (Disability) Progression Placebo Fingolimod 0.5 mg Fingolimod 1.25 mg Patientswith3-monthconfirmedEDSS progression(%) Days on study Fingolimod 1.25 mg vs placebo, HR = 0.68, p = 0.012 Fingolimod 0.5 mg vs placebo, HR = 0.70, p = 0.026 0 5 10 15 20 25 30 0 90 180 270 360 450 540 630 720 HR, hazard ratio

Editor's Notes

  1. 70
  2. 90
  3. T2- lesions: % relative reduction vs Placebo is 74% for both fingolimod dose groups T1-Gd- lesions % relative reduction vs Placebo is 82% for both fingolimod dose groups
  4. Both oral fingolimod dose groups achieved significant improvements in disability progression over 2 years Risk reduction for 3-month confirmed EDSS progression was -32% for the oral fingolimod 0.5 mg dose group and -30% for the 1.25 mg dose group