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

[Results] 47 weeks, 15kg, and GIP was the hard part

Results Clean Column ×5 Receipts ×1 Slow Clap ×3

47 weeks, 15kg, and GIP was the hard part. Same spreadsheet I have been keeping since the start, nothing retrofitted.

Since the title puts numbers in the shop window: 47 weeks and 15kg.

Held 7.5 for five months. Everyone kept asking when I was going to 10. The answer was never, because 7.5 was working.

The distribution matters more than the mean. In the trial population the interquartile spread was wide enough that two honest people can have completely different runs on the same arm.

Would rather be corrected in public than confident in private.

6,292 up / 1,521 down81% upvoted34 commentsid u8z07x10 Dec 2024

34 comments

30 in this archive, depth 6

best — the order this archive was captured in

u/ferritin_low406 points·1 year ago

Vials and pens carry the same molecule; what differs is fill volume, device tolerance and whether you are doing your own arithmetic. Neither is inherently more accurate.

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u/ignacio_vanheckeOP-19 points·1 year ago

Sulphur burps for the first eight days after each step, then nothing. Predictable enough that I planned my week around it.

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u/ignacio_vanheckeOP1 point·1 year ago

the fatigue profile is genuinely gentler than people expect coming from sema

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u/hair_shed_hannah224 points·1 year ago

the appetite effect is blunter than sema, in a good way, most weeks

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u/samir_falk150 points·1 year ago

It is a dual GIP and GLP-1 receptor agonist, and the GIP arm is the part that has no equivalent in the semaglutide threads. That is why the side-effect profile reads differently rather than just milder.

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[removed]108 points·1 year ago

[removed by moderator]

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u/two_mil_or_one61 points·1 year ago

Agreed, and the trial number is a mean of a very wide distribution — the tails are enormous and nobody posts from the middle.

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u/laila_wikstrom113 points·1 year ago

stepping every four weeks is a ceiling on speed, not a schedule you must hit

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u/search_before_post63 points·1 year ago

Appetite effect for me is flat across seven days. On sema it was a wave. Same person, different molecule.

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u/emil_okwuosa43 points·1 year ago

That percentage is body weight change, not body fat. Different measurement, and the distinction gets lost every time.

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u/copay_card_cc10 points·1 year ago

SURMOUNT-1 landed around 21% at 72 weeks on the top arm

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u/slow_logbook_ftw5 points·1 year ago

Yes. I stepped to 12.5 because the calendar said so, not because anything needed fixing, and I regretted it for a fortnight.

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u/crosspost_bot_no3 points·1 year ago

What is the waist doing? That is usually the number still moving during a scale stall.

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u/mod_cold_roommod · c/coldchain83 points·1 year ago

The thing nobody warned me about was how much of this is logistics — storing it, remembering it, the same day every week.

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u/dexa_twice_yearlybody comp65 points·1 year ago·edited

Weekly dosing again, half-life in the same neighbourhood as sema, so a step change takes about a month to reach steady state. Judging a new step at day five is judging noise.

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u/sten_bhattacharya23 points·1 year ago

Not sure that follows. You went up a step and changed your training in the same fortnight.

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u/tarek_kirchner7 points·1 year ago

Research-use-only material is not approved for human use. Anything in this thread about how a research vial "should" titrate is a discussion about chemistry, not a plan.

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u/tidy_vialdrawer_pls40 points·1 year ago

Switching from semaglutide, since three people asked in this thread alone.

There is no published dose equivalence between the two. The conversion tables that circulate are somebody’s arithmetic, not data. What people report here is that the first month after a switch is often flat, that the appetite effect feels differently shaped rather than simply stronger, and that starting at the bottom of the ladder again is the common approach.

None of that is a recommendation. It is what the threads say, and the threads are not a clinic.

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u/hana_pereira28 points·1 year ago

SURMOUNT-1 ran 72 weeks with the top arm around 21% mean body weight change. SURPASS is the diabetes programme and reports glycaemic endpoints, so quoting the two interchangeably is a category error.

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u/hugo_bergstrom20 points·1 year ago

21kg over 82 weeks, never went past 10mg, and food noise stayed mild the whole way. Posting because the loud threads are all 15mg.

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u/georgi_chowdhury15 points·1 year ago

Came off sema and onto tirz with a two-week gap. The first month was flat and I assumed I had made a mistake. Month two it moved.

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u/priya_guerrero9 points·1 year ago

Pen or vial? The step sizes available differ and it changes this answer.

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u/throwaway_titration8 points·1 year ago·edited

Came off sema and onto tirz with a two-week gap.

This. The step interval is a floor, and reading it as a timetable is the most expensive mistake in the thread.

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u/incretin_ivyMOD22 points·1 year ago

Left up, flair changed to Discussion. It is an opinion post and that is fine as long as it is labelled.

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u/piotr_nascimento18 points·1 year ago

Small fix: SURMOUNT is the obesity programme, SURPASS is the type-2 programme. They are different endpoints and the numbers do not transfer.

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u/gentle_correctionnice about it13 points·1 year ago

The four-week interval in the label is a minimum. Nothing about the pharmacology requires you to step on schedule, and the trials stepped on a calendar because trials have to.

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u/gustav_vermeulen7 points·1 year ago·edited

Did you come to this from sema, and if so how long was the gap?

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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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