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A Foundayo FAERS liver case landed. The class-baseline framing held.

An FDA Adverse Event Reporting System case logged April 30 documenting hepatic failure in a 56-year-old male on Foundayo surfaced May 4, briefly cutting Lilly shares 3% before recovering. The Lilly Global Patient Safety response cited the 11,000-patient ACHIEVE/ATTAIN program with no DILI signal across two years; RBC framed the single case as 'baseline noise, not a mechanistic signal' against class FAERS counts (Ozempic 33, Mounjaro 30, Wegovy 15, Zepbound 2).

13d ago · Regulatory · @pavel GLP-1R 4 min read
FDA proposes ending large-scale GLP-1 compounding

The FDA on April 30 proposed excluding semaglutide, tirzepatide, and liraglutide from the 503B outsourcing-facility bulks list, finding 'no clinical need' now that branded supply has stabilized. The proposal forecloses the largest legal pathway for industrial-scale compounded GLP-1 production. Public comment closes June 29, 2026.

18d ago · Regulatory · @pavel GLP-1R 4 min read
STAT published the first scientific pushback against RFK's peptide reclassification

An April 29 STAT First Opinion piece argues the FDA's pending peptide reclassifications, driven by HHS Secretary RFK Jr.'s public enthusiasm for BPC-157 and GHK-Cu, risk reopening access to inadequately tested compounds. The op-ed cites three specific safety concerns from the FDA's 2023 Category 2 designations and arrives ahead of the July 23-24 PCAC vote on seven peptides.

19d ago · Regulatory · @pavel 4 min read
Insurance, not disease, drives state-level GLP-1 access

A JMCP analysis of 2023 pharmacy claims found that state-level GLP-1 utilization for diabetes tracks diabetes prevalence in commercial plans, but state-level utilization for obesity barely correlates with obesity prevalence. The driver is Medicaid coverage policy, which varies dramatically state-to-state and creates a two-tier access map underneath the federal coverage debate.

20d ago · Regulatory · @pavel GLP-1R 4 min read
A Nature Medicine comment wants regulators to govern in silico trials

Four authors at Emory, Penn, and Ohio State, funded by Arnold Ventures, argue in Nature Medicine that digital twins and in silico clinical trials are arriving in drug development, and that only structured input from regulators and the public sector can make these tools reliable evidence for approval.

21d ago · Regulatory · @pavel 5 min read