andrew_nyc said:STEP 5 long-term data on maintenance dosing: the 104-week (2-year) extension showed sustained weight loss of -15.2% with continued semaglutide vs…
The concept of "metabolic set point" and its relevance to maintenance dosing: the body actively defends a weight set point through hormonal feedback (leptin, ghrelin, insulin, GLP-1). After weight loss, these signals shift to promote weight regain[1].
GLP-1 agonists may work in part by resetting this set point — or at least overriding the counter-regulatory signals that drive regain. This would explain why continued treatment maintains weight loss while discontinuation leads to regain.
Understanding maintenance dosing through this lens reframes the drug from "weight loss tool" to "metabolic set point modulator."
[1] Rosenbaum M, et al. J Clin Invest. 2008;118(7):2583-2591.
Following on from andrew_nyc — and this may be the naive question:
What fraction of loss being lean mass is actually normal, because the numbers quoted here range from 10% to 40% and cannot all be right?
NicoleRaleigh said:The concept of "metabolic set point" and its relevance to maintenance dosing: the body actively defends a weight set point through hormonal feedback…
Maintenance phase reality on maintenance dosing: reached my goal 5 months ago and now I'm in maintenance. It's a different mental game.
During weight loss, the scale going down is constant positive reinforcement. In maintenance, the scale staying the same is... just... nothing. It's anticlimactic. The dopamine hit is gone.
What keeps me going: lab improvements, physical capabilities, how I feel, fitting in clothes I love, and the knowledge that regain happens when people stop being intentional. I'm staying intentional.
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Browse GL BiochemNicoleRaleigh said:The concept of "metabolic set point" and its relevance to maintenance dosing: the body actively defends a weight set point through hormonal feedback…
Epigenetic implications of GLP-1 therapy and maintenance dosing: emerging evidence suggests that sustained weight loss and metabolic improvement may produce epigenetic changes (DNA methylation, histone modification) that persist beyond drug discontinuation[1].
This is speculative but fascinating: could long-term GLP-1 agonist treatment "reprogram" metabolic gene expression? If so, it would explain why some patients maintain weight loss better than others after discontinuation.
More research needed, but the concept of pharmacologically-induced epigenetic remodeling is intellectually exciting.
[1] Ling C, et al. Diabetologia. 2023;66(6):1078-1093.
NicoleRaleigh said:The concept of "metabolic set point" and its relevance to maintenance dosing: the body actively defends a weight set point through hormonal feedback…
That reframing is the part I needed. Sending this to two other people who asked me the same thing last week.