Angela Genge, MD, FRCP(C)
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Angela Genge, MD, FRCP(C)
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When aTTR gets on your nerves: A primer on ATTR neurological involvement for Cardiologists
Disclosures•Consulting services for the following companies: Mitsubishi Tenabe Pharma America, Sanofi Genzyme, AL-S Pharma, AB Sciences, Biogen, Novartis, CSL Behring, Anavex, Avexis, Alexion, Wave life sciences, Revalesio, Roche, Cytokinetics, Orion, Akcea, Clene and Bayshore•Participates as CRU medical director, PI or sub-PI on trials sponsored by the following companies: AB Sciences, AL-S Pharma, Acceleron, Amicus, Alnylam, Bioblast, Biogen, BMS, Boston Biomedical, Cytokinetics, Sanofi Genzyme, Grifols, Ionis, Lily, Mallinckrodt, Medimmune, Novartis, Orion, Orphazyme, Pfizer, Ra Pharmaceuticals, Roche, Teva, UCB,
The Science of Antisense: Targeting RNA, Not Proteins •Antisense technology prevents the production of proteins involved in disease–This results in a therapeutic improvement to patients–Potential to treat patients with a wide range of serious rare genetic diseases•Typically, DNA is transcribed into messenger RNA (mRNA) and then translated into protein•Antisense technology binds to mRNA causing it to degrade. With no mRNA to translate, there is no protein product
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Less RNA = Less PROTEINMore RNA = More PROTEIN
RNA
ANTISENSE DRUG
TRANSCRIPTION
Gene
mRNAProtein(e.g. Transthyretin)
Inotersen in investigational and not approved
Inotersen (AKCEA-TTRRx)An Antisense Approach to Treat TTR-related Amyloid Diseases
•Inotersen binds to TTR messenger RNA (mRNA) reducing the amount of disease causing TTR protein–Binds to TTR mRNA and all known mutations–Results in degradation of TTR mRNA and reduction of TTR protein production by the liver
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TTR Protein
TTR mRNA
DNA
Inotersen
Inotersen, a Generation 2.0+ Antisense Oligonucleotide (ASO)
Phase 1 StudyNormal Subjects(Complete)
NEURO-TTRPhase 3 Study -International(Complete)Open-Label Extension Study(Ongoing)
Expected FDA decision Q4 , 2018
Inotersen in investigational and not approved