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c/retatrutide·posted 1 year ago by u/arne_amankwah

[Lab] 9th independent test on QYB — 97.7% on a claimed 97.0%, and the trend is the interesting part

Lab Receipts ×4 Sourced ×2 Well Actually ×2

Filing this under things worth writing down: 9th independent test on QYB — 97.7% on a claimed 97.0%, and the trend is the interesting part.

Numbers, in the order they matter: 97.7% and 97.0%.

Read the phase 2 paper twice before ordering anything. Recommend that to anyone in this board: the error bars are the interesting part.

Watched heart rate on a wearable across twelve weeks because the threads said to. It moved a little and I have no idea whether that means anything.

Happy to answer the boring questions. Those are usually the ones worth asking.

9,878 up / 2,713 down78% upvoted42 commentsid 1yhkbx16 May 2025
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42 comments

28 in this archive, depth 5

best — the order this archive was captured in

u/janek_ferrari1.1k points·1 year ago

The phase 2 readout ran to 48 weeks in a few hundred participants with a slow escalation. Both the size and the duration matter when people quote the headline number.

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u/arne_amankwahOP839 points·1 year ago

Which phase 2 arm are you quoting, and at what week?

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u/blunt_coldbox_2024895 points·1 year ago

not approved anywhere, which is the single most important fact in this board

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u/yannick_salinas1k points·1 year ago

Went up slowly, deliberately, because everything on this board says the escalation is where trouble lives. Uneventful so far and I am not going to pretend that is a finding.

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u/viktor_laurent-31 points·1 year ago

This. The phase 2 result was genuinely large and it was also 48 weeks in a few hundred people.

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u/kofi_balogun1 point·1 year ago

Glucagon receptor agonism is associated with increased energy expenditure and with hepatic effects. That is a mechanistic story with strong preclinical support and limited phase 2 human data.

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u/helga_vermeulen0 points·1 year ago

Kept a log specifically because there is so little published. It is one person and it is not data.

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u/freya_baptista1 point·1 year ago

Increases in heart rate have been reported across this receptor class. The magnitude and clinical significance are exactly what phase 3 is powered to establish.

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u/andres_sorensen1 point·1 year ago·edited

Increases in heart rate have been reported across this receptor class.

Adding the standing caveat: none of this is approved anywhere and research material is not for human use.

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u/mod_cold_roommod · c/coldchain287 points·1 year ago

That reads as a titration plan for an unapproved compound. This board cannot host that and it should not want to.

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[removed]341 points·1 year ago

[removed by moderator]

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u/isabela_nilsen202 points·1 year ago

Is that the 48-week figure or an earlier readout?

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u/fabio_lehtinen178 points·1 year ago

Sent a vial to Janoshik out of curiosity. Result was 97.9% against a claimed 97.5%, which is the first independent number I had seen for this compound anywhere.

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u/careful_gradient_again78 points·1 year ago·edited

Agreed, and the framing that helps is: this is a phase 2 compound with phase 3 running. Everything else is inference.

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u/emil_agyeman39 points·1 year ago·edited

Agreed, and the framing that helps is: this is a phase 2 compound with phase 3 running.

This is the sentence the rest of the board should read first. Phase 2 is not a label.

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u/honest_syringe33132 points·1 year ago

It is a triple agonist at the GLP-1, GIP and glucagon receptors. The glucagon arm is the genuinely novel component and it is the one with the least human outcome data behind it.

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u/nikhil_asante57 points·1 year ago

It is a triple agonist at the GLP-1, GIP and glucagon receptors.

Agreed, and the glucagon arm is exactly why the comparison threads do not work.

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u/dead_space_doug35 points·1 year ago·edited

Agreed, and the glucagon arm is exactly why the comparison threads do not work.

Disagree with this specific inference. A 48-week readout does not tell you the shape of the curve after it.

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u/marta_vanhecke0 points·1 year ago

Correction: TRIUMPH is the phase 3 programme. The number you are quoting is from the phase 2 readout, which is a different trial.

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u/lane_watchermod · logistics25 points·1 year ago

the TRIUMPH programme is still running, so anything definitive is premature

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u/trialwatch_theotrial nerd14 points·1 year ago

the escalation is where most of the reported trouble sits

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u/careful_gradient3217 points·1 year ago

Phase 2 estimates effect and finds a dose range. Phase 3 estimates it precisely in a bigger population and catches what phase 2 was too small to see. Treating them as the same tier of evidence is the recurring error here.

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u/ferran_krastev44 points·1 year ago

Same read. The energy-expenditure mechanism is the interesting bit and it is not established in humans at scale.

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u/niels_lindqvist68 points·1 year ago

Agreed on the heart-rate reports. They are consistent enough across the threads to be worth noting, not enough to be a finding.

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u/mateusz_mensah29 points·1 year ago

Yes — the comparison threads are apples to oranges and they generate more heat than anything else here.

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u/blunt_coldbox_202417 points·1 year ago·edited

Yes — the comparison threads are apples to oranges and they generate more heat than anything else here.

mateusz_mensah is right about the escalation being the variable. It explains most of the difficult reports here.

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u/fabio_lehtinen5 points·1 year ago

the phase 2 numbers were striking and they were also 48 weeks in a small population

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u/reflux_report2 points·1 year ago

the energy-expenditure story is mechanistically interesting and clinically unproven

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About c/retatrutide

Retatrutide: GIP/GLP-1/glucagon triple agonism, the TRIUMPH programme, and the fact that most people discussing it are handling research-grade material with no human-use approval anywhere. Dose-response, heart-rate signal, and the unusually steep phase-2 weight curves get argued about here weekly.

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