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Padcev: how long were the pivotal tox studies?

enfortumab vedotin · Nectin-4
Longest pivotal study
13 weeks
“No mortalities were reported in the 13-week study in rats administered enfortumab vedotin at doses up to 5 mg/kg once weekly (at 0.94-fold the exposure in human at the clinical recommended dose).”
✓ VerifiedFDA multi-discipline review, p. 35Source ↗
Pivotal GLP studies
Weekly IV GLP: rat 4- and 13-week; monkey 4-week (ADC, naked Ab, MMAE); monkey bridging; rat 4-week testicular study
“The Applicant conducted GLP intravenous repeat-dose (weekly) general toxicology studies in rats (4 and 13-week) with enfortumab vedotin, and the unconjugated antibody (AGS-22M6)”
✓ VerifiedFDA multi-discipline review, p. 34Source ↗
Route in tox
IV (weekly)
“The Applicant conducted GLP intravenous repeat-dose (weekly) general toxicology studies in rats (4 and 13-week) with enfortumab vedotin, and the unconjugated antibody (AGS-22M6)”
✓ VerifiedFDA multi-discipline review, p. 34Source ↗

Same question, other ADCs

Adcetris

brentuximab vedotin · CD30
26 weeks

Besponsa

inotuzumab ozogamicin · CD22
26 weeks

Datroway

datopotamab deruxtecan · Trop-2
13 weeks

Decnupaz

pivekimab sunirine · CD123
13 weeks

Elahere

mirvetuximab soravtansine · FRα
10 weeks

Emrelis

telisotuzumab vedotin · c-Met
13 weeks

Enhertu

fam-trastuzumab deruxtecan · HER2
13 weeks

Kadcyla

ado-trastuzumab emtansine · HER2
26 weeks

Mylotarg

gemtuzumab ozogamicin · CD33
12 weeks

Polivy

polatuzumab vedotin · CD79b
10 weeks

Tivdak

tisotumab vedotin · Tissue factor
13 weeks

Trodelvy

sacituzumab govitecan · Trop-2
13 weeks

Zynlonta

loncastuximab tesirine · CD19
13 weeks

Summary across all 14 ADCs →