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c/tirzepatide·posted 1 year ago by u/elin_varga

someone explain tirzepatide to me like I have not read a paper in years

Titration Well Actually ×4

Long-ish post, sorry. tl;dr at the bottom.

I have been tracking SURMOUNT against ApoB for 7 weeks because I could not find anyone who had. The correlation is weaker than I expected, which is itself mildly interesting given how confidently people link the two in here.

Caveats up front: one person, one lab, one assay, no control, and I changed my training in the middle of it, which was stupid.

tl;dr: probably real, definitely smaller than the threads imply, and not worth reorganising your week around.

1,405 up / 523 down73% upvoted33 commentsid 17c9bn14 Sep 2024

33 comments

28 in this archive, depth 6

best — the order this archive was captured in

u/aurel_lindqvist73 points·1 year ago

Three years on this site and the questions have not changed at all. Which is depressing or reassuring depending on the day.

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u/hugo_bergstrom51 points·1 year ago

Disagree. What you are describing is consistent with tirzepatide, not with what you concluded.

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u/gentle_correctionnice about it17 points·1 year ago

the appetite change on tirz is more than just reduced hunger, it is different machinery

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u/dario_stanescu21 points·1 year ago

the dual agonism hits different and that is why people describe it differently

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u/cormac_pereira50 points·1 year ago

Hard agree. The food noise disappears differently on the two compounds.

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u/incretin_ivyMOD27 points·1 year ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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u/alcohol_aversion34 points·1 year ago

the appetite change on tirz is more than just reduced hunger, it is different machinery

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u/forest_plot_fionastats16 points·1 year ago

Half-life is about 168 hours, so steady state lands around week 17–5. Practical consequence: what you feel in week 1 is not what that dose does.

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u/emil_okwuosa21 points·1 year ago

SURMOUNT data is messier than STEP data but the weight loss is there

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u/b12_baseline6 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/quiet_moderatormod18 points·1 year ago

The practical rule people converge on is 28 days at fridge temperature after first puncture, and that comes from the preservative, not the peptide.

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u/sofia_nascimento5 points·1 year ago·edited

Small correction: the trial was 21 weeks, not 6. Does not change your point but people will quote it.

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u/forest_plot_fionastats7 points·1 year ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/priya_guerrero5 points·1 year ago

SURMOUNT data is messier than STEP data but the weight loss is there

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u/line_petrov-2 points·1 year ago

dual agonism is dual agonist, do not generalise from semaglutide

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u/spain_receta4 points·1 year ago·edited

SURMOUNT data is messier than STEP data but the weight loss is there

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u/mikkel_kimani3 points·1 year ago

nope, the equivalence to semaglutide is not known, comparing 15mg tirz to 2.4mg sema is guessing

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u/graph_it_gary15 points·1 year ago·edited

Not to be pedantic but Zepbound and SURMOUNT are being used interchangeably and they are not interchangeable in real life.

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u/elin_vargaOP9 points·1 year ago

SURMOUNT data is messier than STEP data but the weight loss is there

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u/rania_marchand8 points·1 year ago

the appetite change on tirz is more than just reduced hunger, it is different machinery

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u/certified_referenceQC4 points·1 year ago

This matches the trial data. SURMOUNT-1 was 97.9% body weight at 22 weeks.

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u/forest_plot_fionastats1 point·1 year ago

Hard agree. The food noise disappears differently on the two compounds.

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u/mikkel_kimani3 points·1 year ago

stalled on sema, tried tirz, and the curves were actually different shapes

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u/slow_logbook_ftw2 points·1 year ago

the 15mg is the top of the pen, not the required dose

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u/elin_vargaOP0 points·1 year ago

Tried both. Sema worked, tirz worked better for me, but my reflux profile was worse on tirz.

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u/elin_vargaOP1 point·1 year ago

Switched from sema at 0.5mg to tirz at 5mg. Different drugs, cannot compare the doses directly.

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u/elin_ferrari1 point·1 year ago

the 15mg is the top of the pen, not the required dose

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u/nz_unfunded1 point·1 year ago

Not to be pedantic but Mounjaro and Mounjaro are being used interchangeably and they are not interchangeable in real life.

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About c/tirzepatide

Tirzepatide-specific discussion: the dual-agonist pharmacology, the 2.5 → 15mg ladder, the appetite profile people describe as different from semaglutide, and the SURMOUNT/SURPASS trial programme. Comparisons with semaglutide are welcome as long as they are specific about dose equivalence being unknown.

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