𝐀𝐝𝐯𝐚𝐧𝐜𝐢𝐧𝐠 𝐓𝐫𝐞𝐚𝐭𝐦𝐞𝐧𝐭: 𝐏𝐟𝐢𝐳𝐞𝐫'𝐬 𝐀𝐝𝐜𝐞𝐭𝐫𝐢𝐬 𝐁𝐨𝐨𝐬𝐭𝐬 𝐒𝐮𝐫𝐯𝐢𝐯𝐚𝐥 𝐢𝐧 𝐃𝐢𝐟𝐟𝐮𝐬𝐞 𝐋𝐚𝐫𝐠𝐞 𝐁-𝐜𝐞𝐥𝐥 𝐋𝐲𝐦𝐩𝐡𝐨𝐦𝐚 𝐏𝐚𝐭𝐢𝐞𝐧𝐭𝐬
Pfizer Pfizer announced promising results from the Phase III ECHELON-3 study, showing that the antibody-drug conjugate Adcetris significantly improved survival rates in relapsed/refractory diffuse large B-cell lymphoma patients when combined with lenalidomide and rituximab.
The study demonstrated a statistically significant and clinically meaningful improvement in overall survival compared to the lenalidomide and rituximab plus placebo group. Adcetris also showed positive outcomes in secondary endpoints like overall response rate and progression-free survival.
Safety profiles were consistent with previous findings, reassuring regarding Adcetris' tolerability. Roger Dansey Roger Dansey, Pfizer's Chief Development Officer of Oncology, emphasized the potential of Adcetris in addressing the unmet needs of patients, even those previously treated with CAR-T therapy.
Originally developed by Seagen in collaboration with Takeda, Adcetris targets the CD30 surface protein, carrying a toxic payload that triggers cell death in malignant cells while sparing healthy ones. Pfizer acquired access to Adcetris through its acquisition of Seagen in March 2023.
Adcetris, initially approved for Hodgkin lymphoma and rare systemic anaplastic large cell lymphoma, has gained additional approvals for various treatment settings and patient populations in these cancers.
Pfizer is expanding Adcetris' applications in Hodgkin lymphoma, peripheral T-cell lymphoma, non-small cell lung cancer, and melanoma. This progress aligns with Pfizer's broader strategy of focusing on four cancer types, including hematologic malignancies.
The company aims to bolster its biologics business, anticipating it to constitute 65% of its cancer franchise by 2030, with the Seagen acquisition playing a significant role in achieving this target.
In addition to Seagen Seagen, Pfizer has partnered with Nona Biosciences to develop the mesothelin-targeting ADC HBM9033 in solid tumors, further enriching its oncology pipeline.
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