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ADC Therapeutics Announces ZYNLONTA® Updates in Japan

$ADCTPress releaseOct 29, 2026, 7:30 AM ETRead the release

ADC Therapeutics' Japanese licensing partner Tanabe Pharma filed a marketing authorization application with Japan's Ministry of Health, Labor and Welfare for ZYNLONTA in relapsed or refractory DLBCL after two or more lines of systemic therapy. The filing is based on a Phase 1/2 Japanese bridging study showing a 58.1% overall response rate and 41.9% complete response rate, consistent with the pivotal global LOTIS-2 study with no new safety concerns. Tanabe Pharma also sublicensed Japanese commercialization rights to Nippon Shinyaku, an established oncology commercial player.

Key figures

Drug Name
ZYNLONTA (loncastuximab tesirine-lpyl)
Phase Of Trial
Phase 1/2
Overall response rate
58.1%
Complete response rate
41.9%
Median followup months
15.21

AI analysis

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