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Genglycos: which tox species, and why?

pariglasgene brecaparvovec · G6PC (AAV8)
Species
Mouse (adult and juvenile C57BL/6N) and juvenile cynomolgus monkey; GLP single-dose studies
“Three separate 92-day, single-dose toxicology studies were conducted in healthy adult and juvenile mice.”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗
Why that species
Not stated in public reviews
Surrogate molecule
No surrogate; clinical vector DTX401 tested in mouse and NHP
“Test Article DTX401 (lot # D401-500P-W22-02)”
✓ VerifiedFDA pharmacology/toxicology review, p. 18Source ↗

Same question, other gene therapies

Adstiladrin

nadofaragene firadenovec · IFN-alpha2b (adenovirus, intravesical)
Cynomolgus monkey for rAd-IFN/Syn3 GLP tox; rat and monkey for excipient Syn3

Beqvez

fidanacogene elaparvovec · Factor IX
Cynomolgus monkey and mouse (tox); hemophilia B dog and mouse (pharmacology); rabbit (shedding)

Casgevy

exagamglogene autotemcel · BCL11A enhancer (CRISPR-Cas9, ex vivo HSC)
Mouse only (irradiated NSG immunodeficient xenotransplant mice)

Elevidys

delandistrogene moxeparvovec · Micro-dystrophin
Mouse only (wild-type C57BL/6J and mdx disease model); NHP only in non-GLP supporting studies

Fayuvi

rebisufligene etisparvovec · SGSH (AAV9)
Wild-type C57BL/6 mice only (6-month and 3-month GLP studies)

Glybera

alipogene tiparvovec · LPL (AAV1)
Wild-type mouse only for GLP tox; PD in LPL-/- mice and LPL-deficient cats; biodistribution in cats, mice, rabbits

Hemgenix

etranacogene dezaparvovec · Factor IX
Mouse and cynomolgus monkey

Imlygic

talimogene laherparepvec · GM-CSF (oncolytic HSV-1)
Mouse (BALB/c) for GLP tox; single-dose studies also in rats and dogs; no permissive/relevant species for human GM-CSF

Itvisma

onasemnogene abeparvovec (intrathecal) · SMN1 (AAV9, intrathecal)
Cynomolgus monkey (pivotal IT tox); FVB mice for ICV safety and fertility/EFD; SMA piglet and SMN-delta7 mouse pharmacology

Kebilidi

eladocagene exuparvovec · AADC
Rat (pivotal GLP); cynomolgus monkey for biodistribution/excipient studies

Kresladi

marnetegragene autotemcel · ITGB2 (LVV, ex vivo HSC)
Mouse only (CD18HYP/CD18KO disease models, recipient mice, NSG mice); no large-animal tox

Lenmeldy

atidarsagene autotemcel · ARSA (LVV, ex vivo HSC)
Mouse (As2-/- MLD model, murine ARSA-LV HSPCs) for pivotal GLP; immunodeficient mice for human-cell biodistribution

Luxturna

voretigene neparvovec · RPE65
Dog (normal-sighted and RPE65-mutant Briard) and non-human primate

Lyfgenia

lovotibeglogene autotemcel · HBB T87Q (LVV, ex vivo HSC)
Mouse only (beta-thalassemic and wild-type C57BL/6 transplant models; immunodeficient mice for human cells)

Otarmeni

lunsotogene parvec · OTOF (AAV, intracochlear)
Mouse (Otof-Q828X hom disease model) and cynomolgus monkey

Papzimeos

zopapogene imadenovec · HPV6/11 antigens (gorilla adenovirus)
Mouse only (wild-type C57BL/6); no NHP studies

Roctavian

valoctocogene roxaparvovec · Factor VIII
Mouse (CD1, Rag2-/-, hemophilia A models) and cynomolgus/rhesus monkey; all males

Skysona

elivaldogene autotemcel · ABCD1 (LVV, ex vivo HSC)
Mouse only: myeloablated immunodeficient NSG/NSGS mice given human CD34+ HSCs

Strimvelis

autologous CD34+ cells transduced with ADA (no INN) · ADA (gamma-retroviral, ex vivo HSC)
NSG immunodeficient mouse only (xenograft of transduced human CD34+ cells)

Tudriqev

vusolimogene oderparepvec · GALV-GP + GM-CSF (oncolytic HSV-1)
Tumor-bearing immunocompetent mice (TUDRIQEV, mRP1) and healthy rats (murine surrogate mRP1)

Vyjuvek

beremagene geperpavec · COL7A1 (HSV-1, topical)
Mouse only (BALB/c) for GLP tox; single species

Waskyra

etuvetidigene autotemcel · WAS (LVV, ex vivo HSC)
Mouse only: WAS knockout (C57BL/6 and SV129) mice with murine surrogate cells; Rag2-/-IL2rg-/- mice for human-cell fate

Zevaskyn

prademagene zamikeracel · COL7A1 (RV-modified keratinocyte sheets)
Mouse only (immunodeficient mice with implanted human keratinocyte products); no relevant large-animal species

Zolgensma

onasemnogene abeparvovec · SMN1
Mouse only for pivotal GLP tox (neonatal FVB); NHP only in non-GLP studies (later 6-month juvenile NHP study in label)

Zynteglo

betibeglogene autotemcel · HBB T87Q (LVV, ex vivo HSC)
Mouse only (beta-thalassaemic Hbbth1/th1 and wild-type C57BL/6; immunodeficient NSG for human HSC); murine surrogate product

Summary across all 26 gene therapies →