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c/tirzepatide·posted 2 years ago by u/laila_wikstrom

[Lab] 22th independent test on WXT — 99.2% on a claimed 98.5%, and the trend is the interesting part

Lab Clean Column ×7 Long Haul ×3 Receipts ×2

Posting this because the title is the whole finding — 22th independent test on WXT — 99.2% on a claimed 98.5%, and the trend is the interesting part — and a number without its method is a rumour.

The numbers the title promised, since a headline without them is worthless: 99.2% and 98.5%. Everything below is context for those.

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.

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.

Please do not ask me what dose you should be on. I genuinely do not know and neither does anyone else here.

9,849 up / 3,551 down73% upvoted47 commentsid 1906xt27 Jun 2024
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47 comments

26 in this archive, depth 4

best — the order this archive was captured in

u/rania_marchand778 points·2 years ago·edited

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/piotr_nascimento753 points·2 years ago

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

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u/titration_marshalMOD507 points·2 years 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/georgi_chowdhury354 points·2 years ago

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

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u/laila_wikstromOP-5 points·2 years ago

Does reflux follow the day after the shot, or is it spread across the week?

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u/ewan_marchand1 point·2 years ago

a lot of people plateau nicely at 10mg and never need 15

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u/coring_the_stopper321 points·2 years 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/yusuf_ramos158 points·2 years ago

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.

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u/priya_guerrero223 points·2 years 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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[removed]156 points·2 years ago

[removed by moderator]

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u/taper_off_tabitha100 points·2 years ago·edited

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

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u/curious_panel_only116 points·2 years ago

On comparing yourself with the trial number.

SURMOUNT-1 reported roughly 21% mean body weight change at 72 weeks on the highest arm. Three things get dropped every time that figure is quoted here. It is a mean, and the distribution around it is very wide. It is 72 weeks, which is a year and a half. And it is a trial population with trial support, which is not the same as a person with a spreadsheet.

Use it as a rough shape, not a benchmark. A 12% year is inside the ordinary range and people quit over it every week on this board.

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u/discount_math_dm56 points·2 years ago

On comparing yourself with the trial number.

Agreed, with one qualifier: that is the mean of the top arm and the spread around it was enormous.

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u/hugo_bergstrom84 points·2 years 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/marta_dziedzic66 points·2 years ago

Same experience with the appetite effect being flatter across the week rather than front-loaded.

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u/laila_wikstromOP24 points·2 years 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/santiago_villalobos8 points·2 years ago

sulphur burps are the signature complaint and they are not dangerous

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u/laila_wikstromOP51 points·2 years ago

week 6 is early to draw any conclusion at all

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u/zaid_balogun36 points·2 years ago

the sulphur burps profile is genuinely gentler than people expect coming from sema

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u/hugo_bergstrom25 points·2 years ago

the trials titrated on a calendar, real people titrate on symptoms

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u/kian_ekstrom7 points·2 years ago

the four-week step schedule is the label, not folklore

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u/graph_it_gary20 points·2 years ago·edited

Have you held a step for longer than the four-week minimum at any point?

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u/rania_diallo0 points·2 years ago

Agree. The GIP component is the interesting half and it barely gets discussed outside c/glp1science.

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u/emil_okwuosa1 point·2 years ago

dual agonist, so the GIP arm is doing something the sema threads will not tell you about

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u/alcohol_aversion1 point·2 years ago·edited

2.5mg is a four-week starting dose, not a maintenance dose. Worth being precise since people search these threads.

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