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c/tirzepatide·posted 21 days ago by u/laila_wikstrom

[Trial Data] SURMOUNT-4 withdrawal arm is the scariest chart in this space

Trial Data Receipts ×4

Genuinely asking, not being difficult.

Everyone in c/semaglutide repeats that dual agonist is important. I believe it, but I have never seen anyone show why, and when I search I get 21 threads of people agreeing with each other.

Is there a paper? Is there a measurement? Or is this one of those things that is true because it has been repeated since 2023?

I am not trying to be the "source?" guy. I would just like a source.

265 up / 8 down97% upvoted19 commentsid piebtu8 Jul 2026

19 comments

15 in this archive, depth 5

best — the order this archive was captured in

u/nz_unfunded27 points·19 days ago

Strongly agree. Tirz is better than sema is not a claim without a comparator dose.

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u/aurel_lindqvist14 points·20 days ago·edited

Every time this gets posted it hits the front page and every time someone has to re-explain it.

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u/cato_girard15 points·20 days ago

Respectfully this is a sample of one presented as a finding.

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u/spain_receta8 points·20 days ago

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

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u/bastian_ekstrom9 points·20 days ago

My ferritin moved faster on tirz than on sema at the same timepoint, which matches what people report.

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u/halima_boateng0 points·20 days ago

This matches the trial data. SURMOUNT-1 was 94.2% body weight at 24 weeks.

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u/sanne_novak1 point·19 days ago

What was the trial arm you are quoting from? SURMOUNT-1, -2, -3 are all different.

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u/spain_receta7 points·20 days ago

I am going to push back on this slightly.

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u/laila_wikstromOP4 points·20 days ago

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

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u/hassan_nilsen5 points·20 days ago·edited

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

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u/sten_bhattacharya2 points·19 days ago

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

Yes, exactly this, and it is the bit that took me 5 weeks to accept.

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u/samir_falk5 points·20 days ago

Zepbound and Mounjaro are literally the same drug, the name is the only difference

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[deleted]7 points·20 days ago

[deleted]

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u/aurel_lindqvist4 points·20 days ago

the reflux from tirz is different, not necessarily worse

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u/blunt_coldbox296 points·20 days ago

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

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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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