Nonclinical precedent Request an invite
Longest pivotal study
39 weeks
“General toxicity studies were conducted for durations up to 26 weeks in juvenile mice and 39 weeks in juvenile and adult monkeys.”
✓ VerifiedFDA integrated review, p. 50Source ↗
Pivotal GLP studies
26-week juvenile mouse and 39-week juvenile/young adult cynomolgus monkey, SC once every 4 weeks
“Repeat dose toxicology studies were conducted in mice for up to 26 weeks and monkeys for up to 39 weeks.”
✓ VerifiedFDA integrated review, p. 91Source ↗
Route in tox
Subcutaneous, once every 4 weeks (mimicking clinical monthly dosing)
“The animals were dosed once every 4 weeks to mimic the clinical monthly dosing frequency.”
✓ VerifiedFDA integrated review, p. 91Source ↗

Same question, other oligonucleotides

Amvuttra

vutrisiran · TTR (siRNA)
40 weeks

Dawnzera

donidalorsen · Prekallikrein / KLKB1 (ASO)
39 weeks

Defitelio

defibrotide · Fragmented DNA oligonucleotides
13 weeks

Givlaari

givosiran · ALAS1 (siRNA)
39 weeks

Izervay

avacincaptad pegol · C5 (aptamer)
39 weeks

Kynamro

mipomersen · APOB (ASO)
52 weeks

Leqvio

inclisiran · PCSK9 (siRNA)
40 weeks

Macugen

pegaptanib · VEGF-165 (aptamer)
39 weeks

Onpattro

patisiran · TTR (siRNA)
39 weeks

Oxlumo

lumasiran · HAO1 (siRNA)
36 weeks

Qalsody

tofersen · SOD1 (ASO)
39 weeks

Qfitlia

fitusiran · Antithrombin / SERPINC1 (siRNA)
39 weeks

Redemplo

plozasiran · APOC3 (siRNA)
37 weeks

Rytelo

imetelstat · Telomerase (oligo)
39 weeks

Spinraza

nusinersen · SMN2 (ASO)
53 weeks

Tegsedi

inotersen · TTR (ASO)
39 weeks

Viltepso

viltolarsen · DMD exon 53 (PMO)
39 weeks

Vitravene

fomivirsen · CMV IE2 mRNA (ASO)
13 weeks

Wainua

eplontersen · TTR (ASO)
39 weeks

Waylivra

volanesorsen · APOC3 (ASO)
39 weeks

Hibsago

bepirovirsen · HBV RNA (ASO)
Not stated in public reviews

Summary across all 27 oligonucleotides →