Totals for aggregate deals and in the M&A, alliance and divestment categories were similar among the 10 busiest deal makers from 2020 to 2021, but COVID-19 may have driven a more hectic deal-making pace overall in 2020.

Pieris and Genentech try partnering again after a disappointing IO tie-up before. Biogen’s hectic May includes partnerships with Ginkgo, Envisagenics, Capsigen and an opt-in on TMS’s stroke candidate.

Also, deals involving AbCellera/Angios, AstraZeneca/Alchemab, Kowa/Esteve, OSE/Veloxis, Tris/Park, Core One/Akome and Vertex/Obsidian.

Zentalis outlines promising antitumor activity associated with its WEE1 inhibitor, Phase II trials are planned for Pieris Pharmaceuticals’ fusion protein in HER2-positive cancers, while HPV-positive cancers are being targeted by Hookipa’s immunotherapeutics in arenavirus vectors, and Eli Lilly is planning early-stage clinical trials with its next-generation KRAS inhibitor.