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ForumsSemaglutide (Ozempic / Wegovy)Semaglutide mechanism of action: hypothalamic GLP-1R binding and satiety — what worked for you? Page 5

Semaglutide mechanism of action: hypothalamic GLP-1R binding and satiety — what worked for you?

VendorMark Fri, Jan 31, 2025 at 9:53 PM 54 replies 2,401 viewsPage 5 of 11
SurmountFan_IN
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Feb 16, 2025 at 2:13 PM#21
kate.chem said:
The dose-response is real but shallow at the top.

Agreed, and the adaptation point cuts both ways: tachyphylaxis to gastric emptying is why tolerability improves, and it is also why people who were relying on physical fullness feel the effect fade while the appetite effect is still working.

24 22DebRD_ATL, KristenIndy, MarkLI_maint and 21 others
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Dr.SurgeonPGH
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Pittsburgh, PA
Feb 21, 2025 at 1:55 PM#22
kate.chem said:
The dose-response is real but shallow at the top.

Saving this. It is the first explanation that did not require me to already understand it. Printing the relevant bit and taking it with me.

25 23TomTeleRx, DoseLogDan, SleepFixSam and 22 others
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TrialNerd_Beth
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Feb 26, 2025 at 1:34 PM#23

From the other side of the consultation, briefly. Take it one variable at a time. Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent argument can untangle them after the fact.

26 24TomTeleRx, DoseLogDan, SleepFixSam and 23 others
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ZaraB_AL
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Mar 3, 2025 at 1:10 PM#24
TrialNerd_Beth said:
Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent…

Second this.

27 0TrialTracker_MD, JennaRN, LabKate and 24 others
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DoseLogDan
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Mar 8, 2025 at 12:43 PM#25
TrialNerd_Beth said:
Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent…

Coming at TrialNerd_Beth’s question from a different direction. The pharmacokinetics explain nearly every practical question asked here. Albumin binding above 99% slows clearance enough to make weekly dosing possible; a terminal half-life near a week means four to five weeks to steady state and therefore a four-week titration interval; subcutaneous bioavailability around 89% means injection site barely matters. Those three facts answer most timing questions before they are asked.

28 1carlos_SATX, sophie_paris, mel_PDX and 25 others
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