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Review

Inotersen: new promise for the treatment of hereditary transthyretin amyloidosis

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Pages 1515-1525 | Published online: 06 May 2019

Figures & data

Figure 1 Protein synthesis.

Notes: (A) Watson–Crick complement base pairing and triplet codons. (B) From DNA to protein. Reproduced from Antisense oligonucleotides and other genetic therapies made simple, Rossor AM, Reilly MM, Sleigh JN. Pract Neurol. 18(2):126–131. copyright 2018 with permission from BMJ Publishing Group Ltd.Citation34
Figure 1 Protein synthesis.

Figure 2 Mechanisms of oligonucleotides.

Notes: (A) ASOs use RNase H-mediated mRNA degradation, steric blocking, or splicing modulation. (B) RNAi–siRNA (dsRNA) is cleaved by Dicer and triggers RISC cleavage of mRNA. Reproduced from Antisense oligonucleotides and other genetic therapies made simple, Rossor AM, Reilly MM, Sleigh JN. Pract Neurol. 18(2):126–131. copyright 2018 with permission from BMJ Publishing Group Ltd.Citation34
Abbreviations: ASO, antisense oligonucleotide; RISC, RNA-induced silencing complexes.
Figure 2 Mechanisms of oligonucleotides.

Figure 3 Pharmacodynamic effects of IONIS-TTRRX in healthy volunteers.

Notes: Suppressing transthyretin production in mice, monkeys and humans using 2nd-generation antisense oligonucleotides, Ackermann EJ, Guo S, Benson MD, et al, Amyloid. 2016;23(3):148–157 reprinted by permission of the publisher (Taylor & Francis Ltd, http://www.tandfonline.com).Citation40 (A) Change in Plasma TTR levels in 50, 100, 200, 300, and 400 mg treatment groups. (B) Change in Plasma RBP4 levels in 50, 100, 200, 300, and 400 mg treatment groups.
Abbreviation: chg, change.
Figure 3 Pharmacodynamic effects of IONIS-TTRRX in healthy volunteers.

Figure 4 Primary end points: Inotersen Phase III study.

Notes: From the New England Journal of Medicine, Benson MD, Waddington-Cruz M, Berk JL, et al. Inotersen treatment for patients with hereditary transthyretin amyloidosis. N Engl J Med. 2018;379(1):22–31. Copyright © 2018 Massachusetts Medical Society. Reprinted with permission from Massachusetts Medical Society.Citation33 (A) Change from baseline between Inotersen and placebo groups for mNIS+7. (B) Change from baseline between Inotersen and placebo groups for QOL-DN questionnaire.
Abbreviations: mNIS +7, modified Neuropathy Impairment Score +7; QOL-DN, Quality of Life Questionnaire-Diabetic Neuropathy.
Figure 4 Primary end points: Inotersen Phase III study.

Figure 5 Inotersen timeline.

Note: Reprinted by permission from Springer Nature: Springer Nature, Drugs, Inotersen: first global approval, Keam SJ, 2018;78(13):1371–1376.Citation42
Abbreviations: ATTR, TTR amyloidosis; US FDA, US Food and Drug Administration; MAA, marketing authorization application; NDA, new drug application.
Figure 5 Inotersen timeline.