Amylin signalling is distinct from GLP-1 signalling. Amylin slows gastric emptying and promotes satiety through a different receptor and different neural pathways. The hypothesis behind combination is two complementary satiety mechanisms with one injection.
Amylin analogue mechanism: satiety signalling separate from GLP-1
On post #28 — agreed on the reasoning, with one qualification.
Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing.
The correction was fair and I had been repeating something I had not checked carefully enough.
Picking up post #48: that is the part I would want checked first.
The CagriSema phase 2 paper: a fixed combination of the two components in one weekly injection. The trade-off of a fixed combination is that you cannot titrate the components independently and you cannot attribute effect to one component from a combination trial.
For anyone arriving from searches on "amylin agonist": this subcategory discusses published clinical evidence and what it does and does not establish. It does not endorse or recommend the compounds discussed.
Worth separating two things that post #68 runs together.
The CagriSema phase 2 paper: a fixed combination of the two components in one weekly injection. The trade-off of a fixed combination is that you cannot titrate the components independently and you cannot attribute effect to one component from a combination trial.
For anyone arriving from searches on "amylin agonist": this subcategory discusses published clinical evidence and what it does and does not establish. It does not endorse or recommend the compounds discussed.
The dosing interval: cagrilintide's half-life is roughly 7 to 8 days, suitable for weekly dosing. The pharmacokinetics are the reason the dosing schedule makes sense.
post #128 answers the question as asked. The question underneath it is different.
What is genuinely unknown about long-term amylin agonism: real-world response rates, whether effect is durable with continued use, whether satiety adaptation occurs over months or years, safety profile in populations not enrolled in the trials.
post #133 is right about the mechanism and I think understates the practical bit.
Historical amylin analogues: pramlintide was the only long-acting amylin analogue licensed for some time and its poor adherence was a known limitation. A weekly formulation addresses that practical barrier.
Read the full topic (143 posts)
This topic was referenced in
- Follow-up: What is genuinely unknown about long-term amylin agonismCompounds › Cagrilintide & amylin analogues · 2 replies
- Second pass at: Reading a combination trial: attributing effect to componentsCompounds › Cagrilintide & amylin analogues · 43 replies
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