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glp1-mechanism

Page 4 of 8 · 175 questions tagged glp1-mechanism.

175 questions · sorted by votes · page 4 of 8

21 votes5 answers9.6k views
Why is oral semaglutide bioavailability only about one per cent?

This matters because it predicts what a related molecule should do. This is one of those things that everyone repeats and nobody derives. This matters practically,…

oral-glp1
oral-glp1

Oral routes for GLP-1 receptor agonism: peptide formulations rescued by absorption enhancers such as SNAC, and true small molecules that need no…

14 questions
semaglutide
semaglutide

A GLP-1 receptor agonist with a fatty-acid-acylated backbone and a roughly one-week half-life, marketed for type 2 diabetes and for weight…

360 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by plunger_stop 18k · 11 months ago
21 votes0 answers8.7k views
How many weeks to steady state for mazdutide on a weekly schedule?

I am asking mechanistically rather than practically — I want the model, not the protocol. This should be a straightforward calculation and I keep getting two…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
titration
titration

Stepwise dose increases over weeks, why the label schedules exist at all, and what tolerability-driven deviation from a schedule looks like in…

444 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by amara_nwachukwu 41k · 12 months ago
21 votes 5 answers5.3k views
What does the mechanism of survodutide predict that SELECT did not test?

Conditions: survodutide · SELECT. This is one of those things that everyone repeats and nobody derives. This matters practically, not just academically, because it…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by tobias_reint 19k · 3 months ago
20 votes 5 answers30k views
How many weeks to steady state for survodutide on a weekly schedule?

This matters because it predicts what a related molecule should do. Please show the division. I want to check my own against yours. I would like the general form as…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
titration
titration

Stepwise dose increases over weeks, why the label schedules exist at all, and what tolerability-driven deviation from a schedule looks like in…

444 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by amara_nwachukwu 41k · 21 months ago
20 votes5 answers29k views
Does splitting a 60 mg weekly dose of a GLP-1 receptor agonist across two administrations change anything?

Setup, so nobody has to ask: 60 mg · a GLP-1 receptor agonist. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody…

split-dosing
split-dosing

Dividing a weekly dose across more than one administration. Questions here concern the pharmacokinetic rationale, whether the peak-to-trough ratio…

39 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by thabo_maseko 20k · 15 months ago
20 votes5 answers17k views
What does the mechanism of mazdutide predict that SURMOUNT-4 did not test?

Numbers first: mazdutide · SURMOUNT-4. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring answer. I would…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
orforglipron
orforglipron

A non-peptide, orally bioavailable small-molecule GLP-1 receptor agonist studied in the ATTAIN programme. It is not a peptide, which changes…

14 questions
asked by eighty_six_hours 16k · 17 months ago
20 votes0 answers16k views
Does injecting into the upper arm change absorption enough to matter?

My setup is a refrigerator with a logger and a small work area I wipe down, nothing more. I want to know whether this is a real physical effect or an artefact of how…

subcutaneous
subcutaneous

Subcutaneous administration as a route: absorption kinetics from abdomen versus thigh versus upper arm, tissue depth, and why site rotation…

14 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by liam_bracken 12k · 23 months ago
20 votes 5 answers11k views
What does the mechanism of survodutide predict that TRIUMPH-3 did not test?

The case in front of me: survodutide · TRIUMPH-3. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by gunnar_isaksen 16k · 20 months ago
20 votes 5 answers8.3k views
What does the mechanism of survodutide predict that SOUL did not test?

Concretely: survodutide · SOUL. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the question is an…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by lane_transit 42k · 20 days ago
20 votes 5 answers4.2k views
If food noise returns, is that tolerance or a plateau?

Scale weight, waist circumference and a repetition maximum, all logged weekly. I want to know whether this is a real physical effect or an artefact of how it is…

food-noise
food-noise

The reduction in intrusive, appetitive thinking about food that most people on the class describe. Its likely basis in central GLP-1R signalling,…

14 questions
plateau
plateau

A stall in progress: distinguishing adaptive thermogenesis from measurement error from adherence drift, how long to observe before changing…

35 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
orforglipron
orforglipron

A non-peptide, orally bioavailable small-molecule GLP-1 receptor agonist studied in the ATTAIN programme. It is not a peptide, which changes…

14 questions
asked by label_claim 11k · 3 months ago
19 votes5 answers34k views
How does site choice change absorption kinetics in practice?

My setup is a refrigerator with a logger and a small work area I wipe down, nothing more. I keep seeing this stated as a fact with no explanation attached, and…

subcutaneous
subcutaneous

Subcutaneous administration as a route: absorption kinetics from abdomen versus thigh versus upper arm, tissue depth, and why site rotation…

14 questions
injection-technique
injection-technique

Technique questions: angle, pinch versus flat, aspiration, injection speed, air bubbles, and the handling steps that determine whether you deliver…

90 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by dmitri_savchuk 17k · 18 months ago
19 votes 5 answers28k views
What does the mechanism of mazdutide predict that FLOW did not test?

Details up front: mazdutide · FLOW. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would like to know how confident…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
cagrisema
cagrisema

A fixed-ratio combination of cagrilintide, a long-acting amylin analogue, with semaglutide, studied in the REDEFINE programme. Questions here…

14 questions
amylin
amylin

Amylin and its analogues, most prominently cagrilintide, as a satiety mechanism orthogonal to incretin signalling. Includes the pharmacology of…

14 questions
asked by gel_pack_warm 13k · 2.4 years ago
19 votes 5 answers15k views
Does splitting a 20 mg weekly dose of cagrilintide across two administrations change anything?

Stated plainly: 20 mg · cagrilintide. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me suspicious. My background is…

split-dosing
split-dosing

Dividing a weekly dose across more than one administration. Questions here concern the pharmacokinetic rationale, whether the peak-to-trough ratio…

39 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by tri_gly_ala 48k · 14 months ago
19 votes0 answers12k views
What does the mechanism of a GLP-1 receptor agonist predict that SELECT did not test?

What I have: a GLP-1 receptor agonist · SELECT. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would like to know…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by priya_menon 11k · 20 months ago
19 votes5 answers11k views
Is there a pharmacokinetic case for moving mazdutide injection day by twenty-one days?

Details up front: mazdutide · twenty-one days. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring answer. I…

missed-dose
missed-dose

What the label instructions for a missed weekly dose are, why they differ between agents, and what the pharmacokinetics say about drift in an…

41 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
glucagon-receptor
glucagon-receptor

Glucagon receptor agonism as a deliberate component of dual and tri-agonists: what it adds in energy expenditure and hepatic fat mobilisation, and…

14 questions
asked by shear_at_the_front 15k · 3 months ago
19 votes 5 answers7k views
Is there a pharmacokinetic case for moving dulaglutide injection day by three days?

Setup, so nobody has to ask: dulaglutide · three days. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I…

missed-dose
missed-dose

What the label instructions for a missed weekly dose are, why they differ between agents, and what the pharmacokinetics say about drift in an…

41 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by Dr_Tomas_Kral 37k · 3 months ago
19 votes 5 answers6.8k views
Does splitting a 2.5 mg weekly dose of liraglutide across two administrations change anything?

The case in front of me: 2.5 mg · liraglutide. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the question…

split-dosing
split-dosing

Dividing a weekly dose across more than one administration. Questions here concern the pharmacokinetic rationale, whether the peak-to-trough ratio…

39 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by threadlock7 14k · 11 months ago
19 votes 5 answers6.7k views
How many weeks does it actually take to reach steady state?

The receptor pharmacology I can follow; the in vivo translation is where I lose the thread. Please show the division. I want to check my own against yours. I would…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
titration
titration

Stepwise dose increases over weeks, why the label schedules exist at all, and what tolerability-driven deviation from a schedule looks like in…

444 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by cake_collapsed 13k · 8 months ago
19 votes0 answers6.3k views
Does splitting a 2.5 mg weekly dose of oral semaglutide across two administrations change anything?

The case in front of me: 2.5 mg · oral semaglutide. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…

split-dosing
split-dosing

Dividing a weekly dose across more than one administration. Questions here concern the pharmacokinetic rationale, whether the peak-to-trough ratio…

39 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
asked by retest_please 13k · 4 months ago
19 votes 5 answers4.1k views
How many weeks to steady state for liraglutide on a weekly schedule?

I am asking mechanistically rather than practically — I want the model, not the protocol. I would rather understand the derivation than memorise the outcome. Two…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
titration
titration

Stepwise dose increases over weeks, why the label schedules exist at all, and what tolerability-driven deviation from a schedule looks like in…

444 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

811 questions
asked by petra_hovland 42k · 1 months ago
18 votes 5 answers24k views
What does the Aib-8 substitution actually do?

The receptor pharmacology I can follow; the in vivo translation is where I lose the thread. The empirical answer seems settled. The explanation does not. If the…

semaglutide
semaglutide

A GLP-1 receptor agonist with a fatty-acid-acylated backbone and a roughly one-week half-life, marketed for type 2 diabetes and for weight…

360 questions
glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
peptide-mapping
peptide-mapping

Enzymatic digestion followed by LC-MS/MS to confirm sequence rather than just mass. The method that catches a scrambled sequence or a D-amino-acid…

83 questions
asked by sunniva_dahl 11k · 11 months ago
18 votes 4 answers15k views
What does the mechanism of retatrutide predict that ATTAIN-1 did not test?

Stated plainly: retatrutide · ATTAIN-1. The empirical answer seems settled. The explanation does not. If the honest answer is that nobody knows, I would rather hear…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
liraglutide
liraglutide

A once-daily GLP-1 receptor agonist and the compound that established the class. Still relevant for its shorter half-life, its paediatric and…

14 questions
asked by jo_vandeberg 19k · 6 months ago
18 votes 5 answers12k views
What does the mechanism of semaglutide predict that TRIUMPH-1 did not test?

The case in front of me: semaglutide · TRIUMPH-1. This is one of those things that everyone repeats and nobody derives. This matters practically, not just…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by birk_nordahl 20k · 20 months ago
18 votes3 answers6.9k views
What does the mechanism of semaglutide predict that ATTAIN-1 did not test?

Conditions: semaglutide · ATTAIN-1. I want to know whether this is a real physical effect or an artefact of how it is measured. What prompted the question is an…

glp1-mechanism
glp1-mechanism

Receptor-level pharmacology: GLP-1R as a class B GPCR, cAMP and PKA signalling, biased agonism, internalisation and resensitisation, and the…

175 questions
clinical-trials
clinical-trials

Reading the primary literature properly: estimands, intention-to-treat versus per-protocol, confidence intervals, absolute versus relative…

913 questions
gip-receptor
gip-receptor

GIP receptor pharmacology, and the still-unsettled question of whether agonism or antagonism at GIPR is the metabolically useful direction.…

83 questions
asked by kofi_mensah 12k · 20 days ago