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ForumsDosing & ProtocolsDose-response curves — semaglutide vs tirzepatide weight loss by dose Page 3

Dose-response curves — semaglutide vs tirzepatide weight loss by dose

bri_stats Fri, May 29, 2026 at 9:45 AM 12 replies 348 viewsPage 3 of 3
SleepFixSam
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May 31, 2026 at 9:25 AM#11
Dr.DermMIA said:
The dose-response is real but shallow at the top.

This answered a question I did not know how to ask.

Last edited: May 31, 2026 at 11:25 AM
35 8pete_nash, hank_denver, carlos_SATX and 32 others
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lisa_labSD
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San Diego, CA
May 31, 2026 at 2:56 PM#12

From the other side of the consultation, briefly.

bri_stats said:
...but the FDA says semaglutide...

Interesting point. I want to add some regulatory nuance: the FDA labeling reflects the specific clinical trial data submitted for approval. Real-world clinical practice often extends beyond the FDA label based on emerging evidence and clinical judgment.

Example: semaglutide was first approved for diabetes (Ozempic), then obesity (Wegovy). The molecule didn't change — our understanding of its applications expanded. Similarly, semaglutide may evolve as more data accumulates.

Last edited: May 31, 2026 at 5:56 PM
36 9maya_sedona, stefan_berlin, Dr.EM_Chicago and 33 others
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labquiet_amy
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May 31, 2026 at 8:27 PM#13
MASHdoc_SA said:
Steady state is the thing most people miss.

I will push back on the "any working dose is fine" framing. The maintenance evidence sits overwhelmingly at the top studied dose, and the extension data shows regain tracking dose reduction rather than tracking stopping. Holding low is reasonable; pretending it is evidentially equivalent is not.

37 10LibrarianMeg, bri_stats, pete_manc_UK and 34 others
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stefan_berlin
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Jun 1, 2026 at 1:57 AM#14

One concrete data point for the thread. Practical numbers: half-life about 5 days, steady state 3 to 4 weeks, ladder 2.5 / 5 / 7.5 / 10 / 12.5 / 15mg, and the maintenance doses with published data behind them are 5, 10 and 15mg.

38 11TirzTom, TrialTracker_MD, JennaRN and 35 others
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mike_mod
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Jun 1, 2026 at 7:27 AM#15

Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. No action needed from anybody.

39 12PurityPaulOR, MaxMetOK, MounjBrad and 36 others
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