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Purple Biotech Announces New Data from CAPTN-3 Platform Tri-specific IM1240

$PPBTPress releaseApr 27, 2026, 7:00 AM ETRead the release

Purple Biotech announced new preclinical data for its lead asset IM1240, showing that all seven tested patient-derived tumor samples responded to treatment, including those resistant to PD-1 and chemotherapy. Data generated at Mount Sinai demonstrated that the NKG2A arm significantly enhances anti-tumor activity and induces tertiary lymphoid structures in NSCLC models, improving the therapeutic index.

Key figures

Drug Name
IM1240
Phase Of Trial
Preclinical
Response rate
100%
Samples tested
7

AI analysis

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