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c/cagrilintide·posted 11 months ago by u/freya_baptista

the co-agonism thing finally clicked for me and I want to write it down

Discussion Clean Column ×6 Well Actually ×2

Thinking out loud about this: the co-agonism thing finally clicked for me and I want to write it down.

Nothing containing this compound is approved as a standalone product, and research-use-only material is not approved for human use.

Dosing intuitions from the GLP-1 boards do not transfer. Different receptor family, different exposure-response, and no published schedule for members to reason from.

Sent a vial to Medutest because there was almost nothing on file for this compound. 98.1% against a claimed 97.5%, and I posted it because the log needs entries.

Would rather be corrected in public than confident in private.

1,738 up / 59 down97% upvoted33 commentsid 1b0zp511 Aug 2025

33 comments

30 in this archive, depth 5

best — the order this archive was captured in

u/noor_vermeulen320 points·11 months ago

Amylin is co-secreted with insulin and acts on satiety and gastric emptying through its own receptor complexes. An amylin analogue is therefore not a variant of an incretin agonist — it is a different signalling axis.

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[removed]242 points·11 months ago

[removed by moderator]

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u/ferran_mensah122 points·11 months ago

phase 3 data will change most of what gets said here

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u/helga_vermeulen149 points·11 months ago

The engineering problem was duration: native amylin is short-acting and aggregation-prone. A long-acting analogue suitable for weekly administration is what makes the combination clinically interesting.

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u/runa_pires214 points·11 months ago·edited

Not convinced. Amylin signalling is not a GLP-1 pathway and the mechanism you are proposing conflates them.

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u/mateusz_adebayo114 points·11 months ago

How many separate lots has anyone here tested?

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u/amylin_amyamylin52 points·11 months ago

Monotherapy arm or combination arm?

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u/crosspost_bot_no48 points·11 months ago

the monotherapy numbers are modest and that is not the point

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u/nz_unfunded158 points·11 months ago

That is preclinical work and the thread is treating it as a human finding.

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u/karim_restrepo46 points·11 months ago

That result is preclinical. Worth flagging, since the thread has been reading it as human data.

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u/freya_baptistaOP33 points·11 months ago

Is there any independent purity data on this compound that you have seen?

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u/hana_pereira27 points·11 months ago

Is there any independent purity data on this compound that you have seen?

This is the distinction that keeps this board honest — different axis, not a stronger version of the same one.

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u/rina_sobczak94 points·11 months ago

Yes. The combination is where the interesting effect sizes are, and the monotherapy arms read very differently.

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u/zaid_grimaldi53 points·11 months ago

Which trial and which readout?

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u/iman_castellanos71 points·11 months ago

Independent purity data on this compound is sparse compared with the older molecules, simply because far fewer members have paid for testing. Sparse data means wide uncertainty, not a verdict.

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u/freya_baptistaOP0 points·11 months ago

Which receptor family are you attributing that effect to?

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u/amara_kuipers38 points·11 months ago

the interesting data is the combination, not the monotherapy

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u/incretin_ivyMOD18 points·11 months ago·edited

Independent result added to the log. Thank you for paying for it — there are very few on this compound.

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u/ledger_modmod · vetting-18 points·11 months ago

Read the combination paper twice before saying anything here. The monotherapy and combination arms tell genuinely different stories.

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u/ferran_halonen1 point·11 months ago

nausea profile in the combination trials is the thing to read carefully

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u/viktor_nkemelu15 points·11 months ago

Disagree — you are quoting a combination arm as though it were monotherapy. Those are different results.

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u/viktor_erdogan33 points·11 months ago

Do you have the publication or a summary of it?

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u/milan_mensah23 points·11 months ago

Complementary mechanisms are the rationale for pairing: satiety signalling alongside incretin signalling, rather than more agonism at the same receptor.

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u/bpc_scepticresearch peptides15 points·11 months ago

Careful — that is a dosing intuition carried over from another board and there is no basis for it here.

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u/liv_dumitru8 points·11 months ago·edited

Correction: that is the combination programme, not the monotherapy readout. Different arms, different numbers.

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u/nl_verzekering39 points·11 months ago

read the combination arms separately from the monotherapy arms

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u/hedda_aguirre21 points·11 months ago

This. Complementary mechanisms rather than more of the same is the actual argument for the pairing.

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u/zeynep_weiss7 points·11 months ago

amylin and GLP-1 are not redundant pathways

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u/throwaway_44b12 points·11 months ago

REDEFINE is the combination programme

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u/niels_norgaard32 points·11 months ago

Asked a question here that turned out to be based on a mechanism confusion. Three people untangled it patiently.

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About c/cagrilintide

Amylin analog pharmacology and the CagriSema combination: why amylin and GLP-1 co-agonism produces a different satiety profile, the REDEFINE readouts, and the very limited pool of people handling cagrilintide as research material.

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