The Peptide CommonsEst. May 2024
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Topic summary

PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one — does this still hold?

This is a generated summary. It shows the 5 most-liked posts from a topic of 28, in their original order, with the accepted answer included where one exists. It is a reading aid and it will miss nuance — the full topic is the record.
RM
ra.mensaTL2 Moderator24 Jul 2024#6
r.restrepo, post #4: PIONEER 6 was a cardiovascular safety trial for oral semaglutide, not an efficacy trial. Non-inferiority for safety was demonstrated. The point estimates favoured the drug but the trial was not designed to establish benefit. Go to post

On post #2 — agreed on the reasoning, with one qualification.

Dose numbers for oral formulations are not comparable to injectable ones. The 14 mg oral dose is not equivalent to any injectable dose in the traditional comparison sense. They are different formulations with different pharmacokinetics and cannot be put on the same scale.

19 likes in reply to #4 2y
RM
r.mensahTL2 Moderator9 Aug 2024#10

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.

26 likes 2y
RF
ro.friskTL2 Moderator20 Aug 2024#13
journalclub_wren, post #12: This follows post #9 rather than contradicting it. I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am… Go to post

PIONEER programme is phase 3 for oral semaglutide. The trials cover multiple indications and durations. Reading them requires attention to which trial is which because they are not all the same question.

27 likes in reply to #12 23mo
LK
l.krastevTL2 Moderator22 Sep 2024#23

post #22 is right about the mechanism and I think understates the practical bit.

Orforglipron is a small molecule, not a peptide. That changes almost everything: no absorption enhancer required, no fasting window, chemical synthesis instead of peptide synthesis, different analytical methods entirely. Data from peptide agonists does not transfer.

32 likes 22mo
BT
baseline_tableTL2Member2 Oct 2024#26
p.mwangi, post #15: Coming back to post #13, because the follow-up matters more than the original answer. SNAC is the sodium N-(8-[2-hydroxybenzoyl]amino) caprylate, an absorption enhancer that transiently raises local pH in the stomach and promotes gastric mucosal absorption. Without it, oral bioavailability of semaglutide would be too low for clinically… Go to post

Coming back to post #24, because the follow-up matters more than the original answer.

Why an oral formulation is a formulation achievement: the molecule is the same but the tablet is novel. Getting a peptide across the gastric epithelium at usable bioavailability is a chemistry problem, not a dose problem.

17 likes in reply to #15 22mo

Read the full topic (28 posts)

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