ectrims 2015 hot topics therapeutic update unmet needs - gg2
TRANSCRIPT
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Therapeutic Update: unmet needs in 2015
Gavin Giovannoni
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Disclosures
Professor Giovannoni has received personal compensation for participatingon Advisory Boards in relation to clinical trial design, trial steeringcommittees and data and safety monitoring committees from: Abbvie, Bayer-Schering Healthcare, Biogen-Idec, Canbex, Eisai, Elan, Fiveprime, Genzyme,Genentech, GSK, GW Pharma, Ironwood, Merck-Serono, Novartis, Pfizer,Roche, Sanofi-Aventis, Synthon BV, Teva, UCB Pharma and VertexPharmaceuticals.
Professor Giovannoni would like to acknowledge several companies andcolleagues for making available data slides for this presentation.
As ECTRIMS faculty my attendance at this meeting has been funded byECTRIMS.
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Defining the unmet need depends on your worldview?
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Epstein Bar Virus
Genetics
Vitamin D
Smoking
Risks
Adverse events
DifferentialDiagnosis
MRI
EvokedPotentials
Lumbar puncture
BloodTests
DiagnosticCriteria
Cognition
Depression
Fatigue
Bladder
Bowel
Sexual dysfunction Tremor
PainSwallowing
SpasticityFalls
Balance problems Insomnia
Restless legsFertility
Clinical trials
Gait
Pressuresores
Oscillopsia
Emotionallability
Seizures
Gastrostomy
Rehab
Suprapubiccatheter Intrathecal
baclofen
Physio-therapy
Speech therapy
OccupationalTherapy
Functional neurosurgery
Colostomy
Tendonotomy
Studying
EmploymentRelationships
Travel
Vaccination
Anxiety
Driving
Nurse specialists
Family counselling
Relapses
1st line
2nd line
Maintenance Escalation Induction
Monitoring
Disease-free
Disease progression
DMTs
Side Effects
Advanced Directive
Exercise
Diet
AlternativeMedicine
PregnancyBreastFeeding
Research
Insurance
Visual loss
PalliativeCare
Assistedsuicide
Socialservices
Legalaid
Genetic counselling
Prevention
Diagnosis
DMT
Symptomatic
Therapist
Terminal
Counselling
Intrathecalphenol
Fractures
Movement disorders
Osteopaenia
Brain atrophy
Hearing loss
Tinnitus
Photophobia
Hiccoughs
DVLA
Neuroprotection
Psychosis
Depersonaliation
BrainHealth
CognitiveReserve
Sudden death
Suicide
OCD
Narcolepsy
Apnoea
Carers
Respite
Hospice
Respite
Dignitas
Advanced Directive
Rhiztomy
Wheelchair
Walking aids
Blood/Organdonation
Brain donation
Exercise therapy
NABs
Autoimmunity
Infections
Outcome measures
WebResources
Pathogenesis
Doublevision
What isMS?
NEDA
T2TOCT
Neurofilaments
JCV statusPharma
Anaesthesia
www.ms-res.org
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Services
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SMS
PrivateePortal
Letters
Clinic
GroupClinics
Tele-phone
Skype
Apps
BlogApps
GroupePortal
SER
VIC
E D
EVEL
OP
MEN
T
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Symptomatic therapies
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10%
60%
5%
15%
5%
DMTs Symptomatic Diagnostic Admin Blog
Clinic Time
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Epstein Bar Virus
Genetics
Vitamin D
Smoking
Risks
Adverse events
DifferentialDiagnosis
MRI
EvokedPotentials
Lumbar puncture
BloodTests
DiagnosticCriteria
Cognition
Depression
Fatigue
Bladder
Bowel
Sexual dysfunction Tremor
PainSwallowing
SpasticityFalls
Balance problems Insomnia
Restless legsFertility
Clinical trials
Gait
Pressuresores
Oscillopsia
Emotionallability
Seizures
Gastrostomy
Rehab
Suprapubiccatheter Intrathecal
baclofen
Physio-therapy
Speech therapy
OccupationalTherapy
Functional neurosurgery
Colostomy
Tendonotomy
Studying
EmploymentRelationships
Travel
Vaccination
Anxiety
Driving
Nurse specialists
Family counselling
Relapses
1st line
2nd line
Maintenance Escalation Induction
Monitoring
Disease-free
Disease progression
DMTs
Side Effects
Advanced Directive
Exercise
Diet
AlternativeMedicine
PregnancyBreastFeeding
Research
Insurance
Visual loss
PalliativeCare
Assistedsuicide
Socialservices
Legalaid
Genetic counselling
Prevention
Diagnosis
DMT
Symptomatic
Therapist
Terminal
Counselling
Intrathecalphenol
Fractures
Movement disorders
Osteopaenia
Brain atrophy
Hearing loss
Tinnitus
Photophobia
Hiccoughs
DVLA
Neuroprotection
Psychosis
Depersonaliation
BrainHealth
CognitiveReserve
Sudden death
Suicide
OCD
Narcolepsy
Apnoea
Carers
Respite
Hospice
Respite
Dignitas
Advanced Directive
Rhiztomy
Wheelchair
Walking aids
Blood/Organdonation
Brain donation
Exercise therapy
NABs
Autoimmunity
Infections
Outcome measures
WebResources
Pathogenesis
Doublevision
What isMS?
NEDA
T2TOCT
Neurofilaments
JCV statusPharma
Anaesthesia
www.ms-res.org
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Time
Very NarrowTherapeutic Window
Minimal Therapeutic Level (μM)
}
Time
Baclofen/Cannabinoids
Dru
g L
ev
els
Time
(CNS) Side-Effects
Minimal Therapeutic Level
Time
Baclofen/Cannabinoids
Dru
g L
ev
els
Unmet need anti-spasticity
Dru
g L
ev
els
CNS-excluded CB1 agonist - slow release
Dru
g L
ev
els
CNS-excluded CB1 agonist
Time
DrugLevels
Therapeutic Window
(CNS) Side-Effects
Minimal Therapeutic Level
WideTherapeutic Window
Dru
g L
ev
els
(CNS) Side-Effects
Minimal Therapeutic Level(nM)
Time
CNS-excluded CB1 agonist
CNSSide-Effects
Dose 2Dose 1 Dose 3
NocturalSpasms
Baclofen/Cannabinoids
Dru
g L
ev
els
Time
Undertreatmentto reduceside effects
The Reality
Dose 2Dose 1 Dose 3
Dru
g L
ev
els
Time
SpasmsSpasms
Time
Ideal Drug
Dose 1 Dose 2
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Leg movedto full
flexion forassessment
Spastic Leg
Chronic relapsing experimental allergic encephalomyelitis
Courtesy of Prof David Baker (aka the ‘Mouse Doctor’)
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Mouse Movement in a Open Field Activity Monitor
Drug (same dose) Sedation(Side-Effects)
Inhibition of Spasticity
*P<0.05, ***P<0.001 Compared to baseline
VSN16 R
Water SolubleOrally-ActiveHigh Therapeutic WindowNo/Low Side Effects
CoI: UCL spin-Out Company
VSN16R -ve
Sativex x2 Dose +ve
Sativex +ve
Baclofen +ve
Vehicle -ve
Time Post-Administration (min)
0 30 60 90 120
Ch
an
ge
in H
ind
imb
Sti
ffn
ess
(%)
±S
EM
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
Vehicle
Baclofen
***
***
***
Sativex
**
***
Sativex x2
***
****** ***
VSN16R ***
***
VSN16
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Adoption of innovations
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Epstein Bar Virus
Genetics
Vitamin D
Smoking
Risks
Adverse events
DifferentialDiagnosis
MRI
EvokedPotentials
Lumbar puncture
BloodTests
DiagnosticCriteria
Cognition
Depression
Fatigue
Bladder
Bowel
Sexual dysfunction Tremor
PainSwallowing
SpasticityFalls
Balance problems Insomnia
Restless legsFertility
Clinical trials
Gait
Pressuresores
Oscillopsia
Emotionallability
Seizures
Gastrostomy
Rehab
Suprapubiccatheter Intrathecal
baclofen
Physio-therapy
Speech therapy
OccupationalTherapy
Functional neurosurgery
Colostomy
Tendonotomy
Studying
EmploymentRelationships
Travel
Vaccination
Anxiety
Driving
Nurse specialists
Family counselling
Relapses
1st line
2nd line
Maintenance Escalation Induction
Monitoring
Disease-free
Disease progression
DMTs
Side Effects
Advanced Directive
Exercise
Diet
AlternativeMedicine
PregnancyBreastFeeding
Research
Insurance
Visual loss
PalliativeCare
Assistedsuicide
Socialservices
Legalaid
Genetic counselling
Prevention
Diagnosis
DMT
Symptomatic
Therapist
Terminal
Counselling
Intrathecalphenol
Fractures
Movement disorders
Osteopaenia
Brain atrophy
Hearing loss
Tinnitus
Photophobia
Hiccoughs
DVLA
Neuroprotection
Psychosis
Depersonaliation
BrainHealth
CognitiveReserve
Sudden death
Suicide
OCD
Narcolepsy
Apnoea
Carers
Respite
Hospice
Respite
Dignitas
Advanced Directive
Rhiztomy
Wheelchair
Walking aids
Blood/Organdonation
Brain donation
Exercise therapy
NABs
Autoimmunity
Infections
Outcome measures
WebResources
Pathogenesis
Doublevision
What isMS?
NEDA
T2TOCT
Neurofilaments
JCV statusPharma
Anaesthesia
www.ms-res.org
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EDSS = 5.0
May 2015
Optic neuritis
MRI+ve
Spinal cordtriparesis
Case scenario: 25-year-old woman with RRMS
Unmet need for acute neuroprotection and remyelination
IV methylprednisolone
Natalizumabor
Alemtuzumab?
April 2015
Brain stemINO
IV methylprednisolone
2011
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EDSS = 5.0
May 2015
Optic neuritis
MRI+ve
Spinal cordtriparesis
EDSS = 5.0
June 2015
JCV+ve(index = 1.6)
Case scenario: 25-year-old woman with RRMS
Unmet need for acute neuroprotection and remyelination
IV methylprednisolone
Natalizumabor
Alemtuzumab?
April 2015
Brain stemINO
IV methylprednisolone
2011
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EDSS = 5.0 EDSS = 7.0 6.5
Optic neuritis
MRI+ve
June 2015
JCV+ve(index = 1.6)
Spinal cordparaparesis
IV methylprednisolone x2
Anti-AQ4 -ve
Sept 2015
Unmet need: Neuroprotectantand/or remyelination
May 2015
Spinal cordtriparesis
IV methylprednisolone
Natalizumab or
Alemtuzumab?
Natalizumabor
Alemtuzumab?
April 2015
Brain stemINO
IV methylprednisolone
2011
Case scenario: 25-year-old woman with RRMS
Unmet need for acute neuroprotection and remyelination
1 2 3
Time is brain or spinal cord
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Rapid adoption of innovations is “biggest unmet need of all”
Adapted from Everett M. Rogers, Diffusion of Innovations
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Large disparities exist in access to disease-modifying therapies
1. Hollingworth S et al. J Clin Neurosci 2014;21:2083–7; 2. World Bank, 2015. http://data.worldbank.org/indicator/SP.POP.TOTL; 3. MSIF, 2013. http://www.atlasofms.org; 4. Wilsdon T et al. 2013. http://crai.com/sites/default/files/publications/CRA-Biogen-Access-to-MS-Treatment-Final-Report.pdf
Australia
Norway
Denmark
Sweden
Belgium
Austria
Germany
France
Finland
Spain
Italy
Slovenia
United Kingdom
Poland
0 20 40 60 80 100
Newer DMT
Established DMT
No DMT
All people with MS (%)
All data are from 2013
4
4
4
4
4
4
4
4
4
4
4
4
4
1–3
Established DMTsDMTs approved for relapsing forms of MS during the 1990s and reformulations or generic versions of these substances.
Newer DMTsDMTs approved for relapsing forms of MS that have a different mechanism of action from established DMTs.
1st line
2nd line
3rd line
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www.msbrainhealth.org
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www.msbrainhealth.org
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www.msbrainhealth.org
Baseline Month 6
Month 12 Month 18
Baseline Month 6
Month 12 Month 18
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Affordable DMTs
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Unequal access to DMTs
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Neuroprotection & remyelination
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Neuroreparation
Remyelination
Neuroprotection
Anti-inflammatory Immunological5
Myelin repair / Axonal protection1,2
Membrane channel /Mitochondria3,4
The therapeutic pyramid
1. Haines JD et al. Mt Sinai J Med. 201;78:231-243; 2. Münzel EJ et al. Drugs. 2013;73:2017-2029; 3. Mahad D et al. Neuropathol Appl Neurobiol. 2008;34:577-589; 4. Schattling B et al. Exp Neurol. 2014;262:28-36;5. Loleit V et al. Curr Pharm Biotechnol. 2014;15:276-296.
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Myelin repair / Axonal protection
Anti-LINGO-112,16
RXR (retinoid X receptor) agonists17
Muscarinic antagonists18
Biotin13
Neuroprotection / neuroreparation12,13,16-18
Immunological
Natalizumab1
Rituximab, ocrelizumab2
Daclizumab HYP (high-yield process)3
Laquinimod, minocycline4,5
Dimethyl fumarate6
Siponimod7
Reduced immune-mediated damage1-7
Relevant targets in RRMS and progressive MS: agents under clinical investigation
LINGO-1=leucine-rich repeat and Ig domain-containing 1.1. Börnsen L et al. PLoS One. 2012;7:e47578; 2. Lulu S et al. Neurotherapeutics. 2013;10:34-43; 3. Gold R et al. Lancet. 2013;381:2167-2175; 4. Mishra MK et al. Ann Clin Transl Neurol. 2014;1:409-422; 5. Chen X. J Neuroimmunol. 2011;235:1-8; 6. Linker RA et al. Brain. 2011;134:679-692; 7. Selmaj K et al. Lancet Neurol. 2013;12:756-767; 8. https://clinicaltrials.gov/ct2/show/NCT01451593; 9. Schattling B et al. Exp Neurol. 2014;262:28-36; 10. Al-Izki S et al. Brain. 2014; 137:92-108; 11. Waubant E et al. Ann Clin Transl Neurol. 2014;1:340-347; 12. Koch MW et al. Nat Rev Neurol. 2013;9:496-503; 13. Sedel F et al. Mult Scler Relat Disord. 2015;4:159-169; 14. https://clinicaltrials.gov/ct2/show/NCT01854359; 15. Mao P et al. Biochim Biophys Acta. 2013:1832:2322-2331; 16. Cadavid D et al. Presented at AAN; Philadelphia, USA; 2014:P2.262; 17. Rodgers JM et al. Discov Med. 2013;16:53-63; 18. Deshmukh VA et al. Nature. 2013;502:327-332.
Membrane channel /Mitochondria
Phenytoin, Amiloride, CFM6104, oxcarbazepine8,9,10
Riluzole11
Glutamate receptors antagonists12
Biotin13
Idebenone14
Minocycline5
MitoQ15
Improve energy supply / inhibit neuronal injury5,8-15
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Acu
te a
xon
al
tra
nse
ctio
n
“Inflammatory scissors or shredder”
Acute neuroprotection
Axon
NO
Microglia
Na+
Na+/K+
ATPaseNaV1.6
ReverseNCX
ATPATP
Ca2+
ATPase
Ca2+
Na+
NaV1.6
Na+
Figure courtesy of Dr Raju KapoorATP=adenosine triphosphate; NaV1.6=Sodium channel, voltage gated, type VIII, alpha subunit; NCX=sodium-calcium exchanger.1. BD Trapp et al. N Engl J Med. 1998;338:278-285; 2. Bittner S et al. Ther Adv Neurol Disord. 2013;6:322-336.
Acute neuroprotection: targeting axonal energy levels may achieve acute neuroprotection1,2
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Ischaemic penumbra
* P<0.05, **P<0.01; CFM6104=[N-((5-(2-(2-(1h-imidazol-1-yl)ethyl)-2h-indazol-3-yl)-1,2,4-oxadiazol-3-yl)methyl)-3-methylbenzamide], a novel Na channel blocker; EAE=experimental autoimmune encephalitis.1. Adapted from Al-Izki S et al. Brain. 2014;137:92-108. 2. BD Trapp et al. N Engl J Med. 1998;338:278-285; 3. http://www.strokecenter.org/professionals/brain-anatomy/cellular-injury-during-ischemia/the-ischemic-penumbra; 4. Noval S et al. Mult Scler Int. 2011;472790
Acute optic neuritis
Immunological penumbra:selective targeting of a Na+ channel blocker to the acute CNS lesion1-4
Immunologic penumbra
CFM6104 in EAE
Ev
ide
nce
fo
r n
eu
rop
rote
ctio
nTime post-disease induction (days)
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 480.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Vehicle CFM6104Day 33-48
No evident immunosuppression
Mea
n N
euro
log
ica
l Sco
re ±
SE
M
31
* * ***
** **
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Acute optic neuritis (AON) to assess phenytoin (neuroprotection)
Phenytoin
Participants with AON N=86
Phenytoin (4 mg/kg OD)
Placebo
Randomised within 2 wks of symptom onset
Treatment period3 months
Monitoring period3 months
Primary outcome measures
Primary outcome measure: RNFL thickness
RNFL thickness Macular volume
1. Kapoor R et al. Presented at AAN; Washington, USA; 2015; 2. https://clinicaltrials.gov/ct2/show/NCT01451593;
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Baseline characteristics
Placebo (SD)n=44
Phenytoin (SD)n=42
Age (yrs) 34.6 (9.1) 32.9 (8.2)
Gender (F:M) 32:12 31:11
Prior MS 3 1
Positive brain MRI (%) 73 76
Corticosteroids (%) 75 83
Duration of visual loss (dy) 8.0 (3.3) 8.2 (3.1)
LogMAR 1.07 (0.60) 1.11 (0.54)
2.5% Sloan acuity 0.77 (3.83) 0.21 (1.24)
FM 100-hue 1139 (775) 1066 (765)
RNFL affected eye (mm) 125.20 (43.42) 130.62 (46.43)
MV affected eye (mm3) 8.63 (0.43) 8.71 (0.46)
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Primary outcome: RNFL
• Active-placebo adjusteddifference 7.15 mm(95% CI 1.08, 13.22p=0.02)
• 30% reduction of atrophyin active group
• PP comparison:Active-placebo adjusteddifference 7.40 mm(95% CI 0.76, 14.04p=0.03)
5010
015
0
RN
FL a
vera
ge
mm
Placebo Phenytoin
baseline UNaffected eye
Placebo Phenytoin
6m affected eye
Bars are standard errors around the unadjusted group means
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Macular volume
• Active-placebo adjusteddifference 0.02 mm3
(95% CI 0.06, 0.34p=0.005)
• 34% reduction of atrophyin active group
• PP comparison:Active-placebo adjusteddifference 0.02 mm3
(95% CI 0.05, 0.36p=0.01)
77.
58
8.5
99.
510
Ma
cula
r vo
lum
e m
m3
Placebo Phenytoin
baseline UNaffected eye
Placebo Phenytoin
6m affected eye
Bars are standard errors around the unadjusted group means
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Visual outcomes
010
2030
4050
Slo
an
2.5
%Placebo Phenytoin Placebo Phenytoin
6m UNaffected eye
Bars are standard errors around the unadjusted group means
-.5
0.5
11.
52
Log
MA
R
Placebo Phenytoin
6m affected eye
Placebo Phenytoin
6m UNaffected eye
Bars are standard errors around the unadjusted group means
6m affected eye
LogMAR 2.5% Sloan
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Kapoor et al. Lancet Neurol 2010; 9: 681–88.
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Latency in the execution of neuroprotection with Lamotrigine
Variable P value
Δ Serum NfH-SMI35
m0-m12 0.259
Δ Serum NfH-SMI35
m12-m24 0.043
Δ Serum NfH-SMI35
m0-m24 0.023
Gnanapavan et al., PLoS One 01/2013, 8(8):e70019
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Fingolimod and CSF neurofilament light chain levels in relapsing-remitting multiple sclerosis
Kuhle et al. 2014
Fingolimod → PPMS Siponimod → SPMS (EXPAND STUDY)
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Phase 2A study of natalizumab in progressive MS: CSF markers of axonal damage and demyelination (2° endpoint)
Slide courtesy of Romme Christensen, ECTRIMS 2012. Oral presentation 170.
NIND Mean +/- 95% CI
p=0.03
CS
F N
eu
rofi
lam
en
t ll
igh
t n
g/L
p=0.048
CS
F M
BP
ng
/ml
NIND Mean +/- 95% CI
Natalizumab → SPMS (ASCEND STUDY)ClinicalTrials.gov ID: NCT01416181
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Delayed/ongoing secondary neurodegeneration1
“Post-inflammatory slow-burn”
Ongoing neuroprotection
Treatment Targets
1. Inflammation2
a. Adaptive (B-cell follicles)3
b. Innate (activated microglia4 and astrocytes5)
2. Axonal mechanisms6
a. Mitochondrial/energetics7
b. Axonal targets6
3. Remyelination8
4. Comorbidities/ageing (simvastatin)9
1. Trapp BD et al. N Engl J Med. 1998;338:278-285; 2. Loleit V et al. Curr Pharm Biotechnol. 2014;15:276–296; 3 Magliozzi R et al. Brain. 2007;130:1089-1104; 4. Rissanen E et al. J Nucl Med. 2014;55:939-944; 5. Mayo L et al. Nat Med. 2014;20:1147-1156; 6. Haines JD et al. Mt Sinai J Med. 2011;78:231-243; 7. Mahad D et al. Neuropathol Appl Neurobiol. 2008;34:577-589; 8. Münzel EJ et al. Drugs. 2013;73:2017-2029; 9. Chataway J et al. Lancet. 2014;383:2213-2221.
Targeting ongoing chronic neurodegeneration
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Neuroreparation
Remyelination
Neuroprotection
Anti-inflammatory
The therapeutic pyramid
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New trial design
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Slow-burn neuroprotection: progressive MS
Petzold et al. J Neurol Neurosurg Psychiatry. 2005;76:206-11.
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Neuroreparation
Remyelination
Neuroprotection
Anti-inflammatory
The therapeutic pyramid
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Remyelination
Nogo, MAG, OMgP
Lingo-1-NgR-p75NTR
GAP-43
NCAM
Neuregulin
Slide courtesy of Klaus Schmierer.
Agents in trial
1. GSK239512: histamine H(3) receptor antagonist
2. BIIB033: anti-LINGO-13. Clemastine: anti-histamine4. IRX4204 & Bexarotene: RXR-
agonist5. Etc.
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Premyelinating oligodendrocytes in chronic MS lesions1
Negative regulators of OPC differentiation have been identified2,3
Investigating LINGO-1 as a target for remyelinationand neuroprotection/neuroreparation
OPC=oligodendrocyte precursor cells; NCAM=neural cell adhesion molecule; PSA=polysialic acid; RNAi=ribonucleic acid interference.1. Chang A et al. N Engl J Med. 2002;346:165-173; 2. Adapted from Rudick RA et al. Expert Opin Biol Ther. 2008;8:1561-1570; 3. Mi S et al. Ann Neurol. 2009;65:304-315; 4. Mi S et al. Nat Neurosci. 2005;8:745-751; 5. Cadavid D et al. Presented at AAN; Philadelphia, USA; 2014:P2.262.
In vivo effects of anti-LINGO-1 in rat optic nerve crush model5
Reduced neurodegeneration and increased axonal outgrowth (arrows) vs control
Control RNAiLINGO-1 RNAi
In vitro effects of LINGO-1 blockade4
Mature oligodendrocyte
OPCs
Differentiation
LINGO-1,PSA-NCAM,
Notch
Anti-LINGO-1treatment
Proximal Distal
Control treatment
Fluorescein isothiocyanate-conjugated cholera toxin B–labeled axons after optic nerve crush
and vehicle injection
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Anti-LINGO-1 results in remyelination in animal models of CNS demyelination2
LPC=lysophosphatidylcholine/lysolecithin; mAb=monoclonal antibody.Adapted from 1. Mi S et al. Nature Neurosci. 2004;7:221-228; 2. Mi S et al. Ann Neurol. 2009;65:304-315.
1 µm
Control mAb Anti-LINGO-1
1 µm
Cuprizone
LPC
*
**
*
Demyelinated axons *Remyelinated axons
EAE
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New phase 2 study designs: Acute optic neuritis to assess neuroprotection and remyelination
1. Cadavid D et al. Presented at AAN; Philadelphia, USA; 2014:P2.2622. Cadavid D et al. Presented at AAN; Washington, USA; 2015:P7.202.
RENEW1,2
Anti-LINGO-1(multi-centre)
Anti-LINGO-1 (100 mg/kg IV Q4W x 6)
Placebo (IV Q4W x 6)
Participants with first episode of unilateral
AON (n=82)
Randomised within 4 weeks of symptom onset
Dosing period20 weeks
Assessments at24 and 32 weeks
3–5 days’ IV steroids
End of studyfollow-up 32 weeks
Primary outcome: VEP
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RENEW primary outcome: Anti-LINGO-1 and recovery of full-field VEP latency in AON
*Adjusted mean change in optic nerve conduction latency of the affected eye compared with the unaffected fellow eye at baseline, Week 24 (ANCOVA), Week 32 (MMRM). ANCOVA=analysis of covariance; ITT=intent-to-treat; MMRM=mixed-effect model repeated measure; PP=per-protocol.Adapted from 1. Cadavid D et al. Presented at AAN; Washington, USA; 2015:P008; 2. Cadavid D et al. Presented at AAN; Washington, USA; 2015:P7.202.
Placebo 100 mg/kg anti-LINGO-1
25
20
15
10
5
0PP ITT
22.24
14.69
20.83
17.34
Week 24
34% Latencyrecovery
P=0.05
17%Latencyrecovery
P=0.33
Ad
just
ed m
ean
ch
an
ge
inFu
ll-f
ield
VE
P la
ten
cy*
(ms)
n=36 n=33 n=41 n=41
PP=Subjects who completed the study, did not miss >1 dose of treatment and did not receive MS modifying therapy
ITT=All randomised subjects who received ≥1 dose of study treatment
PP ITT
22.35
13.22
21.15
15.08
Week 32
41% Latencyrecovery
P=0.01
29% Latencyrecovery
P=0.07
n=36 n=33 n=41 n=41
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SD-OCT values at baselinea
Affected eye n=77 Fellow eye n=80 Difference n=77b
RGCL/IPL thickness, μm 64.8 (7.3) 69.5 (5.6) -4.76 (5.5)aValues are mean (SD); bSD-OCT was not available in the affected eye for 3 participants (missing data were not imputed).
Mean GCL/IPL thickness at each visit in the affected eye in the ITT population up to Week 32
No difference observed in RENEW secondary OCT efficacy endpoints at Week 32
RGCL=retinal ganglion cell layer; SD=standard deviation.1. Cadavid D et al. Presented at ACTRIMS-ECTRIMS; Boston, USA; 2014:P731; 2. Cadavid D et al. Presented at AAN; Washington, USA; 2015:P7.202.
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New anti-inflammatories
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Fingolimod
Fingolimod
Dimethyl fumarate
Alemtuzumab
Natalizumab
Laquinimod
Daclizumab HYP
Rituximab
Cladribine
Teriflunomide
Ocrelizumab
Ofatumumab
Targeting immune regulation has been successful previously in RRMS1,2
Lymph node
APC=antigen-presenting cell; B=B cell; BBB=blood-brain barrier; CD=cluster of differentiation; CNS=central nervous system; IFN=interferon; IL=interleukin;
MØ=macrophage; NK=natural killer cell; NO=nitric oxide; PC=plasma cell; S1P-R=Sphingosine-1-phosphate receptor; T=T cell; Th=T-helper cell; TNF=tumour
necrosis factor; VCAM=vascular cell adhesion molecule; VLA=Integrin alpha4beta1.
Adapted from 1. Barten LJ et al. Drug Des Devel Ther. 2010;4:343-366; 2. Loleit V et al. Curr Pharm Biotechnol. 2014;15:276-296.
The investigational agents shown above are not registered or commercialised in Europe for RRMS
Las moléculas en investigación mostradas arriba no están registradas o comercializadas en España para la EMRR
BBB CNSPeriphery
Approved therapies
Investigational agents
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Lateral thinking
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Is there a “Black Swan”?
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Is the MS dogma wrong?
immune activationinnate and adaptive responses
focal inflammation
BBB breakdown
oligodendrocyte toxicity & demyelination
Acute axonal transection and loss
“autoimmune endophenotype”
axonal plasticity & remyelination
delayed neuroaxonal loss and gliosis
Gd-enhancement
T2 & T1 lesions
brain & spinal cord atrophy
release of soluble markers
Clinical Attack
Disease Progression
Clinical Recovery
- biology
- clinical outcomes
- biomarkers
VIRUS(EBV, HERVs)
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Conclusions: unmet needs in MS
• MS service development – ‘uberization’ of MS care
• Better symptomatic therapies
• Need quicker adoption of innovations
• Brain Health (www.msbrainhealth.org)
• Affordable DMTs , particularly in resource-poor settings
• New legislation for repurposing of off-patent drugs
• New therapeutic targets
• Therapeutic pyramid
• Neuroprotection / Remyelination
• New trial design
• New anti-inflammatories
• Daclizumab
• Ocrelizumab
• Cladribine
• Black Swan
• Viral and other hypotheses
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Acknowledgements• Neurofilament
• Sharmilee Gnanapavan
• Axel Petzold
• Jens Kuhle
• Andrea Malaspina
• EAE
• David Baker
• Gareth Pryce
• Sarah Al-Izki
• Sam Jackson
• Katie Lidster
• Siddharthan Chandran
• David Hampton
• VSN16
• David Baker
• David Selwood
• Rachel Farrell, et al.
• Optic neuritis
• Raj Kapoor, et al.
• PROXIMUS
• Monica Marta, et al.
• MS Services
• Alison Thomson, et al.
• Affordable DMTs
• Klaus Schmierer, et al.
• Charcot Project (viruses in MS)
• Julian Gold, et al.
• MS@UCLP
• Barts-MS, et al.
• UCL-UCLH
• RFH
• Queens Romford