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ForumsTirzepatide (Mounjaro / Zepbound)Tirzepatide and kidney function — need advice Page 3

Tirzepatide and kidney function — need advice

MikeNYC_runner Sun, Oct 6, 2024 at 6:53 PM 18 replies 2,010 viewsPage 3 of 4
PeptideSynthNJ
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Oct 11, 2024 at 10:43 AM#11
Dr.SportsMedIN said:
Steady state is faster than people expect: half-life about five days, so you are at plateau in roughly three to four weeks rather than five.

Bookmarking. The distinction being drawn above is the one nobody else makes. Printing the relevant bit and taking it with me.

12 10wanda_boise, NurseAsh_DET, BenResearch_OR and 9 others
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Dr.EM_Chicago
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Oct 11, 2024 at 3:17 PM#12

From the other side of the consultation, briefly.

Dose-response modeling for tirzepatide: Emax model fitting to the STEP/SURMOUNT dose-finding data shows:

Semaglutide: ED50 ≈ 0.6mg, Emax ≈ -18%, Hill coefficient ≈ 1.3
Tirzepatide: ED50 ≈ 6mg, Emax ≈ -25%, Hill coefficient ≈ 1.5

Clinical implication: most patients achieve >80% of maximal response by the mid-range dose (1.7mg sema, 10mg tirz). Going to the maximum dose provides diminishing returns — possibly not worth the additional side effect burden for some patients. Individualize dosing based on response vs tolerability.

13 11matt_MKE, Dr.ReproEndo, lucas_SP_BR and 10 others
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KevinCompounds
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Oct 11, 2024 at 7:51 PM#13
Dr.RaviCardio said:
FLOW is the relevant trial and it reported a meaningful reduction in kidney-disease progression and related death in people with type 2 diabetes and…

Careful with the causal language. Two things moving together in a period when five things changed is not a mechanism, and stating it as one makes the thread less useful to somebody reading it later.

14 12MikeKY_noInsulin, Dr.RaviCardio, jennifer_SEA and 11 others
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PeptideChemSF
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Oct 12, 2024 at 12:24 AM#14

One concrete data point for the thread. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.

Last edited: Oct 12, 2024 at 4:24 AM
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mike_mod
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Oct 12, 2024 at 4:57 AM#15

Moderator note: leaving this open. It is being argued well and the disagreement is the useful part. Report rather than reply if it drifts again.

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