Janssen returns NASH candidate rights to Arrowhead

16 February 2023

US biotech Arrowhead Pharmaceuticals (Nasdaq: AEWR) yesterday revealed receiving a written notice from US healthcare giant Johnson & Johnson’s (NYSE: JNJ) Janssen unit that it has terminated its rights to JNJ-75220795, now called ARO-PNPLA3, under the October 2018 research collaboration and option agreement, as part of J&J’s strategic R&D portfolio review.

The deal could have earned Arrowhead as much as $3.7 billion including milestone and royalty payments.

Arrowhead put a positive spin on the news that it now regained full rights to the non-alcoholic steatohepatitis (NASH) candidate, and saw its shares dip only 3% to $33.01 in after-hours trading.

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