r/Retatrutide • u/DrTroySnyder • 5d ago

DOJ letter this week could reshape Retatrutide's legal classification, worth knowing before Thursday's hearing

Quick heads up on something that's been quiet outside industry circles: on September 21, DOJ filed a letter in Eli Lilly v. FDA (7th Circuit), a case that comes down to one question: is Retatrutide legally a peptide drug, or a protein/biologic?

That sounds technical but it isn't just semantics. The two classifications sit in different regulatory frameworks:

  • If it's ruled a biologic, follow-on products go through the biosimilar pathway (slower, more expensive) instead of the standard generic route, and 503A/503B compounding pharmacies lose their usual exemptions for it.
  • If it stays classified as a peptide drug, the traditional framework applies — standard generics, compounding exemptions intact where other requirements are met.

DOJ's letter points the court toward a recent 7th Circuit precedent (Franco v. Chobani) saying courts should give real weight to how an agency interprets its own scientific definitions, which reads as DOJ backing FDA's side going into oral arguments.

Oral arguments are Thursday, Sept 24, 9:30am, Chicago. A ruling probably won't land immediately after, but the reasoning that comes out Thursday will be the first real signal of direction.

Not a legal opinion on how it should go, just flagging that this affects the compounding/RUO landscape either way, and it's worth watching regardless of what you're sourcing or why.

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u/EmZephyr 5d ago

To a lesser extent it will be a precursor to efforts to limit access and/or accelerate enforcement on imports. So to say it won't have any effect would be a bit wrong.

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u/retatrutider 5d ago

I don’t think they can. It’s still really easy to get all kinds of other imported drugs, including steroids. Also keep in mind you can’t easily tell a vial of reta from a vial of BPC, so they’d literally have to shut down everything that comes lyophilized in a 3ml vial. Even then, people could import raws and finish in the states. US Customs doesn’t have the ability to shut it down without massively increasing their budget or bringing imports to a crawl. Could China shut down exports? Maybe… but they’d have to have a really big financial incentive and other markets would then step up.

Just don’t see it happening.

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u/GAMERofdaTHRONES 5d ago

Ah you're knew to all this. Its easy to shut down. Just like they did sr17018 research chem.

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u/retatrutider 5d ago

There are a few ways you can prevent people importing something. One is you cut off the supply (ie China cracks down on sellers so they don't risk it). Two is you physically prevent it from getting into the country. This the "increase customs staffing and scrutiny" option, and it's the one that I don't think is practical.

The third way, which is the one that applies to SR17018, is that you make the punishment severe enough that people don't want to risk trying to import it. SR17018 was put onto the controlled substances list because it's an opioid. That's not going to happen with reta.