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c/glp1science·posted 1 year ago by u/runa_cabrera

my TSH moved and I cannot work out whether receptor is why

Speculation

Confession thread, sort of.

I went from 2.5mg to 1.0mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 6 weeks later, at which point I had no way of knowing whether the dose increase did anything or whether it would have broken anyway.

So now I have sulphur burps I did not need and a data point I cannot interpret. Two lessons in one.

Posting it in the hope that somebody at week 17 reads it before doing the same thing.

1,961 up / 2,040 down50% upvoted14 commentsid cxijx14 Dec 2024

14 comments

14 in this archive, depth 4

best — the order this archive was captured in

u/devils_advocate_d15 points·1 year ago

Strongly agree. Central appetite is real but people overstate it.

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u/gastric_emptying_g3 points·1 year ago

The half-life is 14 hours, which means week 14 is genuinely still ramp-up. Week 31 is steady state.

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u/tomas_broberg1 point·1 year ago

rodent half-life tells you what to investigate, not what to expect in humans

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u/niels_roos11 points·1 year ago

Inter-lab variance on this kind of assay is routinely 1–2 points. Different column, different gradient, different integration.

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u/sig_figs_samMOD6 points·1 year ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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u/gastric_emptying_g0 points·1 year ago

The half-life is 7 hours, which means week 7 is genuinely still ramp-up. Week 16 is steady state.

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u/vikram_mbeki1 point·1 year ago

incretin physiology is half-life, the mechanism layer

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u/gastric_emptying_g1 point·1 year ago

do not extrapolate rodent data to human dosing without saying so

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u/rasmus_kimani1 point·1 year ago

receptor distribution matters, GLP-1 is not everywhere

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u/aa_analysis_andy1 point·1 year ago

mechanistic speculation is welcome if flaired as speculation

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u/ferran_dahlberg4 points·1 year ago

Titration speed is a side-effect dial far more than an efficacy dial.

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[deleted]2 points·1 year ago

[deleted]

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u/yannick_barros4 points·1 year ago

Disagree but this is the good kind of wrong — it is specific enough to be checked.

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u/enzo_danquah6 points·1 year ago

Strongly agree. Central appetite is real but people overstate it.

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The mechanism layer: incretin physiology, receptor distribution, gastric emptying, central appetite signalling, glucagon-receptor contribution, amylin co-agonism, and the pharmacokinetics that make weekly dosing possible. Papers get cited by journal and year or they get a [needs source] reply.

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