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c/glp1science·submitted 2 years ago by u/elin_lundgren

does gastric emptying actually matter or is it forum lore at this point

Explainerbranch of 6 comments

Trying to get a straight answer on this: does gastric emptying actually matter or is it forum lore at this point. Why mechanism talk keeps misleading people, including me. A mechanism tells you a direction. It does not tell you a magnitude, a timescale, or whether the pathway is operative at the exposures involved.…

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6 comments, started 2 years ago
u/hassan_ostergaard1.2k points·2 years ago

Long half-life in this class comes from structural modification that promotes albumin binding and resists enzymatic degradation. Weekly dosing is a consequence of the molecule, not a convenience decision.

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u/amara_dziedzic395 points·2 years ago

What does the discussion section say about the limitation you are glossing?

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u/rohan_steiner559 points·2 years ago

the peripheral and central stories are not in competition

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u/nhs_waitlist_nUK207 points·2 years ago

Spent an evening on the receptor distribution literature and the side-effect map suddenly stopped looking random.

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u/vomit_free_since69 points·2 years ago

Disagree. That is a preclinical finding in a rodent model and you are stating it as human pharmacology.

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u/isabela_nilsen24 points·2 years ago

The half-life explanation was the thing that made weekly dosing intuitive for me rather than arbitrary.

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The mechanism layer: incretin physiology, receptor distribution, gastric emptying, central appetite signalling, glucagon-receptor contribution, amylin co-agonism, and the pharmacokinetics that make weekly dosing possible. Papers get cited by journal and year or they get a [needs source] reply.

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