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Decnupaz: genotox, carcinogenicity and repro: done or skipped?

pivekimab sunirine · CD123
Genotoxicity
Not conducted with ADC (ICH S9); FGN849 positive in Ames TA102, in vitro and in vivo micronucleus
“In accordance with ICH S9, genotoxicity studies have not been conducted with PVEK.”
✓ VerifiedFDA multi-discipline review, p. 61Source ↗
Carcinogenicity
Not conducted (ICH S9)
“In accordance with ICH S9, carcinogenicity studies have not been conducted with PVEK.”
✓ VerifiedFDA multi-discipline review, p. 62Source ↗
Reproductive & developmental
Not conducted (ICH S9 and FDA feedback); embryo-fetal harm expected from alkylating payload
“No reproductive and developmental studies have been conducted with PVEK, in accordance with ICH S9 and FDA feedback (Reference ID: 4704103).”
✓ VerifiedFDA multi-discipline review, p. 62Source ↗
Safety pharmacology
Incorporated into GLP monkey studies (ECG, respiration); FGN849 hERG IC50 >1 µM; tremors at 0.1 mg/kg
“Stand-alone in vivo safety pharmacology studies were not conducted with PVEK or FGN849.”
✓ VerifiedFDA multi-discipline review, p. 46Source ↗

Same question, other ADCs

Adcetris

brentuximab vedotin · CD30
Conducted on MMAE: Ames and mouse lymphoma negative; rat micronucleus positive (aneugenic)

Besponsa

inotuzumab ozogamicin · CD22
Conducted: calicheamicin positive in Ames and in vitro micronucleus; ADC clastogenic in mouse micronucleus

Datroway

datopotamab deruxtecan · Trop-2
Not conducted with ADC; DXd Ames negative, clastogenic in vitro chromosome aberration and in vivo rat micronucleus

Elahere

mirvetuximab soravtansine · FRα
Not conducted with ADC; DM4 and S-methyl-DM4 Ames negative, rat bone marrow micronucleus positive

Emrelis

telisotuzumab vedotin · c-Met
Not conducted with ADC; MMAE aneugenic (positive rat micronucleus), Ames and mouse lymphoma negative

Enhertu

fam-trastuzumab deruxtecan · HER2
Not conducted with ADC; DXd clastogenic (rat micronucleus, CHL chromosome aberration), Ames negative

Kadcyla

ado-trastuzumab emtansine · HER2
Conducted on DM1: Ames negative; rat micronucleus positive (aneugenic/clastogenic); monkey micronucleus inconclusive

Mylotarg

gemtuzumab ozogamicin · CD33
Conducted: ADC clastogenic in mouse micronucleus; free calicheamicin DMH mutagenic and clastogenic in vitro

Padcev

enfortumab vedotin · Nectin-4
Not conducted with ADC; MMAE Ames and mouse lymphoma negative, rat micronucleus positive (aneugenic)

Polivy

polatuzumab vedotin · CD79b
Not conducted with ADC; MMAE Ames and mouse lymphoma negative, rat micronucleus positive (aneugenic)

Tivdak

tisotumab vedotin · Tissue factor
Not conducted with ADC; MMAE: Ames and mouse lymphoma negative, rat micronucleus positive (aneugenic)

Trodelvy

sacituzumab govitecan · Trop-2
Not conducted with ADC; SN-38 Ames negative, in vitro micronucleus positive (clastogenic)

Zynlonta

loncastuximab tesirine · CD19
Not conducted with ADC; SG3199 clastogenic in vitro (micronucleus, chromosome aberration); Ames not assessable (cytotoxicity)

Summary across all 14 ADCs →