Prescribed on cardiovascular grounds rather than for weight, and almost everything written for patients assumes the opposite.
Relative versus absolute is the distinction that gets lost: a 20% relative reduction on a high baseline risk is a large absolute benefit, and the same relative figure on a low baseline risk is a small one.
What I actually want to know is how much of the SELECT benefit is plausibly independent of the weight loss, and whether that distinction changes anything practical.
I would rather have one careful answer than five confident ones.
Answering the narrow version, because the broad one does not have a single answer. The glucagon component looks paradoxical and is not. Glucagon receptor agonism raises energy expenditure and drives hepatic fatty-acid oxidation, and its hyperglycaemic tendency is offset by the GLP-1 arm's insulin secretagogue effect. Net result: intake down from GLP-1/GIP, expenditure up from glucagon, glycaemia neutral or improved. It is a balancing act, and it is why the liver-fat results are the most interesting part of the dataset.
That is the short version; the long version is somebody else's post.
DanielChem_CHI said:The glucagon component looks paradoxical and is not.
Fair, but phase 2 tolerability figures rarely survive contact with phase 3 scale. Triple agonism means three receptor systems generating adverse events, and the dropout column is the one I would read first when the larger trials report.
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Browse GL BiochemSleepDoc_PDX said:Prescribed on cardiovascular grounds rather than for weight, and almost everything written for patients assumes the opposite.
This is my experience too, for whatever a second data point is worth. The detail I would add is minor and it is already implied above.
Clinical perspective, offered as context rather than as advice.
I want to bring up the cardiovascular angle on cardiovascular risk.
The SELECT trial demonstrated a 20% reduction in MACE with semaglutide 2.4mg[1]. This is practice-changing because the CV benefit appears to be independent of the degree of weight loss — suggesting direct vascular and anti-inflammatory mechanisms.
For cardiovascular risk, this means we need to think beyond the primary outcome and consider the cardiovascular implications. The all-cause mortality reduction (HR 0.81) is the most clinically meaningful signal.
[1] Lincoff AM, et al. N Engl J Med. 2023;389(24):2221-2232.