Cequa arrives in India, almost four years post US debut with Sun deploying what has generally been perceived as the text-book launch approach of foreign firms in the country. Scrip delves into the market dynamics in a segment where AbbVie's blockbuster Restasis is well entrenched.

Junshi is the latest Chinese company to announce plans to expand into Southeast Asia, where its compatriot firms are also eyeing large market potential and are set to benefit from less stringent reviews of China-only clinical data due to fewer questions around ethnic differences versus the US.

Already partnered on antibody-drug conjugates and a Phase III breast cancer candidate, Merck could pay up to $9.3bn under its third pact in 2022 with Kelun. Eisai divests Fycompa to Catalyst.

Shionogi is hoping to demonstrate the efficacy of its oral COVID-19 candidate Xocova through an appropriate primary endpoint in its Phase III trial, while the Japanese firm is also eyeing global expansion for the drug should a world-first domestic approval be granted.