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ForumsOral GLP-1 AgonistsHas anyone dealt with oral semaglutide 50mg (rybelsus hd)? Page 5

Has anyone dealt with oral semaglutide 50mg (rybelsus hd)?

Dr.SleepRoch Wed, Apr 16, 2025 at 7:41 AM 33 replies 1,762 viewsPage 5 of 7
Dr.DermMIA
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Apr 19, 2025 at 7:19 PM#21

From the other side of the consultation, briefly. Worth answering the question that was asked rather than the one behind it. The narrow version usually has an answer; the broad version usually does not, and answering the broad one is how a thread stops being useful.

24 22LipidDoc_ATL, BariatricNurseD, MASHdoc_SA and 21 others
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NeuroNate
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Apr 20, 2025 at 1:37 AM#22
Dr.DermMIA said:
Worth answering the question that was asked rather than the one behind it.

Same pattern here, and in the same order.

25 23wendy_avl, jason_paloalto, Dr.LeslieOBGYN and 22 others
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matt_MKE
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Apr 20, 2025 at 7:55 AM#23
Dr.DermMIA said:
Worth answering the question that was asked rather than the one behind it.

There is a second half to this that has not been said yet. Steady state is the thing most people miss. The terminal half-life is about a week, so every dose step takes four to five weeks to fully express itself. Judging a step at day ten is judging the ascent, not the plateau, and it is the single commonest reason people escalate before they needed to.

Correct me if the detail matters more than I have assumed.

26 24GraceAZ_72, carl_compliance, DanielChem_CHI and 23 others
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wendy_avl
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Apr 20, 2025 at 2:13 PM#24

One concrete data point for the thread. For anyone assembling their own picture: Tmax is one to three days, terminal half-life about 165 to 170 hours, steady state at four to five weeks, and subcutaneous bioavailability near 89%. Those four numbers explain most of the questions people ask about timing.

Last edited: Apr 20, 2025 at 8:13 PM
27 0PharmHunterJen, TomTeleRx, DoseLogDan and 24 others
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SarahChen_PharmD
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Apr 20, 2025 at 8:31 PM#25

A narrower follow-up, since the general answer is now clear:

How much of the between-person variation is pharmacokinetic and how much is just adherence measured badly?

28 1robert_kc, dan_philly, MeganSA_TX and 25 others
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