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Gilead’s Ouro Buy, J&J/Protagonist’s Approval, Aurinia’s Revamp, ACIP Confusion, More

Key Takeaway: This week in biopharma, Gilead announced a $2.1 billion acquisition of Ouro Medicines, focusing on T cell engagers. Johnson & Johnson and Protagonist Therapeutics celebrated FDA approval for their IL-23 receptor blocker, Icotyde, which is Protagonist's first commercial product. Meanwhile, Aurinia Pharmaceuticals appointed Kevin Tang as CEO amidst industry drama, and the CDC faced confusion regarding its Advisory Committee on Immunization Practices.
Price reaction · baseline $138.11 (2026-03-24 close) · hit after-hours · clean, no other GILD news in the window
day 0 close
+0.1%

Market Sentiment Analysis

POSITIVE FACTORS

  • Gilead's significant investment in Ouro Medicines indicates confidence in T cell engagers.
  • Johnson & Johnson and Protagonist Therapeutics achieved FDA approval for Icotyde, marking a milestone for Protagonist.
  • Aurinia Pharmaceuticals has a new CEO, potentially signaling a strategic shift.

CONCERNS & RISKS

  • Confusion surrounding the CDC's Advisory Committee on Immunization Practices may impact public trust.
  • The ongoing uncertainty regarding the committee's future could lead to operational disruptions.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+15%
120-day peak, hindsight
Typical move
1.4%
average across 15 past catalysts
Lead asset
Ranolazine
Phase 2 · Diabetes Mellitus, Type 2

Full Press Release Details

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Immunology & inflammation stole the show this week, as Gileaddropped up to $2.1 billionfor Ouro Medicines and its T cell engager OM336—an investment it hopes to split with longtime partner Galapagos. Meanwhile, Sanofi also added a T cell engager in alicensing deal with Kali Therapeuticsworth $180 million upfront.
One I&I partnership that bore fruit last week was that of Johnson & Johnson and Protagonist Therapeutics which got their IL-23 receptor blockerIcotydeacross the FDA finish line for plaque psoriasis. Icotyde is the first commercial product for Protagonist.
Even the drama this week came from the I&I space, as Kevin Tang took the reins as CEO of Aurinia Pharmaceuticals, which you may remember was the company at the heart of former Center for Drug Evaluation and Research Director George Tidmarsh’s exit from the FDA.
Outside of I&I, the CDC’s Advisory Committee on Immunization Practices made headlines once again as Vice Chair Robert Malone posted to social media that the group was being disbanded. The Department of Health and Human Services quickly corrected the record, but Maloneposteda few hours later that “dissolving and reforming remains one of options being considered.”
In FDA policy news,BioSpacerecapsthe now nine-month-old Commissioner’s National Priority Voucher pilot program and unpacks newdraft guidanceon animal testing alternatives. Plus, check outan opinion articleon the need for precision ALS drugs and features ongene therapy for hearing lossand Big Pharma’s overall R&D spending in 2025.

Frequently Asked Questions

What did Gilead acquire this week?

Gilead acquired Ouro Medicines for up to $2.1 billion, focusing on T cell engagers.

What product did Johnson & Johnson and Protagonist launch?

They launched Icotyde, an IL-23 receptor blocker approved by the FDA for plaque psoriasis.

Who is the new CEO of Aurinia Pharmaceuticals?

Kevin Tang has been appointed as the new CEO of Aurinia Pharmaceuticals.

What confusion arose regarding the CDC's Advisory Committee?

There was confusion about the committee's status, with claims of it being disbanded, later corrected by the HHS.

Last updated: Mar 25, 2026