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Tryngolza: which tox species, and why?

olezarsen · APOC3 (ASO)
Species
Mouse (with surrogate) and cynomolgus monkey
“The general toxicity of olezarsen has been characterized in repeat-dose toxicity studies in CD-1 mice and cynomolgus monkeys in studies of up to 26- and 39-weeks duration, respectively, with once-weekly SC injections.”
✓ VerifiedFDA integrated review, p. 220Source ↗
Why that species
Full sequence complementarity to human and cynomolgus apoC-III mRNA; mouse sequence diverges
“Olezarsen exhibits full complementarity to the apoC-III mRNA transcript of humans and cynomolgus monkeys.”
✓ VerifiedFDA integrated review, p. 44Source ↗
Surrogate molecule
Yes: mouse-specific GalNAc3 ASO ISIS 838707 in mouse pharmacology and 26-week mouse tox
“In wild-type mice, a mouse-specific apoC-III surrogate ASO was used (ISIS 838707, a murine”
✓ VerifiedFDA integrated review, p. 43Source ↗

Same question, other oligonucleotides

Amondys 45

casimersen · DMD exon 45 (PMO)
Adult male mouse and cynomolgus monkey; juvenile male rat

Amvuttra

vutrisiran · TTR (siRNA)
Rat and cynomolgus monkey (monkey only pharmacologically active; rat for off-target/class tox); rabbit EFD

Dawnzera

donidalorsen · Prekallikrein / KLKB1 (ASO)
Mouse (CD-1) and cynomolgus monkey

Exondys 51

eteplirsen · DMD exon 51 (PMO)
Cynomolgus monkey and juvenile rat (eteplirsen); mdx/C57BL mouse incl. mouse surrogate

Givlaari

givosiran · ALAS1 (siRNA)
Rat and cynomolgus monkey (both pharmacologically active); rabbit inactive (EFD only)

Izervay

avacincaptad pegol · C5 (aptamer)
Rabbit and dog (IVT ocular studies); rat and cynomolgus monkey (7-day IV); monkey the only pharmacologically relevant species

Kynamro

mipomersen · APOB (ASO)
Mouse, rat and cynomolgus monkey (clinical ASO plus rodent surrogates)

Leqvio

inclisiran · PCSK9 (siRNA)
Rat and cynomolgus monkey (both pharmacologically active); rabbit for EFD

Macugen

pegaptanib · VEGF-165 (aptamer)
Rabbit and dog (pivotal IVT); rat IV for systemic; supportive monkey, mouse

Onpattro

patisiran · TTR (siRNA)
Rat and cynomolgus monkey (monkey pharmacologically active; rat off-target/LNP)

Oxlumo

lumasiran · HAO1 (siRNA)
Rat and cynomolgus monkey (both pharmacologically relevant); rabbit for EFD

Qalsody

tofersen · SOD1 (ASO)
Cynomolgus monkey (IT, relevant species), CD-1 mouse (SC) and rat single-dose IT

Qfitlia

fitusiran · Antithrombin / SERPINC1 (siRNA)
Healthy rat and cynomolgus monkey (GLP); hemophilia A mouse, hemophilia A dog and induced-HA monkey models

Redemplo

plozasiran · APOC3 (siRNA)
Rat (off-target toxicity) and cynomolgus monkey (pharmacologically relevant)

Rivfloza

nedosiran · LDHA (siRNA)
Cynomolgus monkey (relevant) plus mouse (nedosiran inactive; off-target assessment)

Rytelo

imetelstat · Telomerase (oligo)
Mouse and cynomolgus monkey (general tox); mouse and rabbit (EFD)

Spinraza

nusinersen · SMN2 (ASO)
Juvenile cynomolgus monkey (IT) and CD-1 mouse (SC, systemic effects)

Tegsedi

inotersen · TTR (ASO)
Mouse, rat and cynomolgus monkey; monkey the only pharmacologically relevant species

Viltepso

viltolarsen · DMD exon 53 (PMO)
Male CD-1 mouse and male cynomolgus monkey (plus juvenile male mouse)

Vyondys 53

golodirsen · DMD exon 53 (PMO)
Mouse, cynomolgus monkey (adult males) and juvenile rat

Wainua

eplontersen · TTR (ASO)
Mouse and cynomolgus monkey (monkey the pharmacologically relevant species)

Waylivra

volanesorsen · APOC3 (ASO)
Mouse, rat and cynomolgus monkey (rabbit for embryo-fetal); monkey most relevant

Zanvastro

zilganersen · GFAP (ASO)
Mouse (SC and ICV, juvenile) and juvenile monkey (intrathecal); mouse surrogate ASO arm

Summary across all 24 oligonucleotides →