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semaglutide

Page 7 of 15 · 360 questions tagged semaglutide.

360 questions · sorted by votes · page 7 of 15

23 votes 5 answers9k views
How does fatty-acid acylation produce a seven-day half-life?

I would like to know how much of this is established and how much is a reasonable story. I would like the mechanism, because I want to be able to reason about the…

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
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
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 tabular_nums 47k · 3 months ago
23 votes3 answers7.4k views
Where does an "EU/mg" endotoxin limit come from, and is a spec of 10 EU/mg tight or loose?

Two COAs for the same nominal product give me endotoxin specifications of "less than 10 EU/mg" and "less than 0.5 EU/mg" respectively. Both pass. The second vendor…

endotoxin
endotoxin

Bacterial endotoxin: LAL and kinetic chromogenic methods, how an endotoxin limit is derived from a dose, why endotoxin survives autoclaving, and…

14 questions
coa
coa

Certificates of analysis: what fields a useful one carries, how to tell a real analytical report from a marketing document, batch and lot…

749 questions
batch-testing
batch-testing

Testing at the batch or lot level: sampling plans, how many vials from a lot need testing to say anything about the lot, and the difference…

865 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by kelvin_lam 11k · 15 months ago
23 votes0 answers4.8k views
Is STEP 4 a fair comparison of orforglipron against its comparator arm?

Numbers first: STEP 4 · orforglipron. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the evidence exists…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 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
asked by tare_weight 47k · 5 months ago
22 votes 5 answers34k views
Does the SURMOUNT-OSA population resemble anyone asking about orforglipron here?

Numbers first: SURMOUNT-OSA · orforglipron. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
dulaglutide
dulaglutide

A once-weekly GLP-1 receptor agonist built on an Fc fusion rather than fatty-acid acylation. Use this tag for questions about the fusion-protein…

14 questions
asked by mira_sundqvist 19k · 17 months ago
22 votes5 answers25k views
Is ESSENCE a fair comparison of retatrutide against its comparator arm?

What I have: ESSENCE · retatrutide. I am asking for verification rather than opinion, ideally with something I can read myself. It is possible the evidence exists and…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by unit_math 13k · 14 months ago
22 votes 3 answers16k views
Did any trial in this class ever test a split weekly schedule, or a different dosing frequency at all?

I have looked for a randomised comparison of dosing frequency within a single molecule in this class and cannot find one. Every phase 3 trial I can find fixed the…

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
clinical-trials
clinical-trials

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

913 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
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 juliette_farnese 12k · 5 months ago
22 votes 5 answers9.9k views
Why do two papers on STEP 3 report different headline figures?

I have the full paper rather than the abstract, and the supplementary appendix. I understand the observation; what I do not understand is the mechanism behind it. I…

clinical-trials
clinical-trials

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

913 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
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
asked by helena_vidmar 18k · 11 months ago
22 votes 3 answers8.9k views
Why does the same chromatogram give a different purity at 214 nm and at 280 nm?

A report I have includes traces at two wavelengths from the same injection, using a diode-array detector. The 214 nm trace integrates to 98.6% and the 280 nm trace to…

hplc
hplc

Reverse-phase high-performance liquid chromatography, the workhorse purity method. Column chemistry, mobile-phase choice, gradient slope,…

466 questions
purity
purity

Purity as chromatographic area per cent - the fraction of detected material that is your target peak. It says nothing about how much material is…

788 questions
coa
coa

Certificates of analysis: what fields a useful one carries, how to tell a real analytical report from a marketing document, batch and lot…

749 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by anja_hellstrom 13k · 2.1 years ago
22 votes0 answers7.9k views
Does the STEP 5 population resemble anyone asking about mazdutide here?

Setup, so nobody has to ask: STEP 5 · mazdutide. I would like help reading this properly rather than being told what conclusion to reach. I have the full report…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
asked by Dr_Fatima_Belkacem 52k · 6 months ago
22 votes 5 answers7.1k views
Is STEP 2 a fair comparison of survodutide against its comparator arm?

The specifics, since they change the answer: STEP 2 · survodutide. Somebody stated this to me confidently and I would like to check it before repeating it. I would…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by jana_horakova 15k · 5 months ago
22 votes3 answers6.5k views
When is LC-MS/MS peptide mapping worth paying for instead of a plain intact mass?

I have been quoted roughly four times the price of a purity-plus-identity panel for something described as "tryptic digest with LC-MS/MS peptide mapping and sequence…

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
lc-ms
lc-ms

Liquid chromatography coupled to mass spectrometry: separation and identification in one run, and the method of choice when you need to know not…

14 questions
mass-spec
mass-spec

Mass spectrometry for identity confirmation: electrospray ionisation, multiple charge states, monoisotopic versus average mass, deconvolution, and…

38 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
batch-testing
batch-testing

Testing at the batch or lot level: sampling plans, how many vials from a lot need testing to say anything about the lot, and the difference…

865 questions
asked by fiadh_cronin 14k · 12 months ago
21 votes 5 answers39k views
What does PIONEER-4 actually establish about semaglutide?

The particulars: PIONEER-4 · semaglutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I am reasonably…

clinical-trials
clinical-trials

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

913 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
cardiovascular
cardiovascular

Cardiovascular outcomes: the SELECT major-adverse-event result, SOUL, SUSTAIN 6 and REWIND, how to convert a hazard ratio into an absolute risk…

111 questions
asked by tenth_of_a_unit 40k · 20 months ago
21 votes0 answers27k views
What does REDEFINE-1 actually establish about survodutide?

The specifics, since they change the answer: REDEFINE-1 · survodutide. I want to understand what this actually establishes, as opposed to what it is being used to…

clinical-trials
clinical-trials

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

913 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
cardiovascular
cardiovascular

Cardiovascular outcomes: the SELECT major-adverse-event result, SOUL, SUSTAIN 6 and REWIND, how to convert a hazard ratio into an absolute risk…

111 questions
asked by deamidation_watch 43k · 23 months ago
21 votes 4 answers22k views
Is SOUL a fair comparison of liraglutide against its comparator arm?

Concretely: SOUL · liraglutide. The claim is plausible, which is exactly why I want to check it. I am able to read a paper if someone points me at one. Is there data…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by amara_nwachukwu 41k · 13 months ago
21 votes 3 answers21k views
I want to move my injection day. How much drift does the label actually allow, and in which direction?

My weekly dose currently lands on a Thursday and that is now the worst day of my week for it. I want it on a Sunday. That is a three-day move and I can see two ways…

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
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
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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by two_two_micron 15k · 14 months ago
21 votes 5 answers18k views
Why do two papers on SURPASS-3 report different headline figures?

I have the full paper rather than the abstract, and the supplementary appendix. I would like the mechanism, because I want to be able to reason about the cases nobody…

clinical-trials
clinical-trials

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

913 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
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
asked by halvard_ness 42k · 15 months ago
21 votes 5 answers15k views
Does the STEP 4 population resemble anyone asking about tirzepatide here?

Conditions: STEP 4 · tirzepatide. I would like to know the limits of what can be inferred from this. What I am trying to avoid is over-reading a single result, which…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
survodutide
survodutide

A GLP-1 and glucagon receptor dual agonist with a substantial published MASH dataset. Use this tag for its hepatic endpoints, its dose ladder, and…

14 questions
asked by Dr_Colm_Fitzhenry 85k · 6 months ago
21 votes 5 answers12k views
Does the SURPASS-3 population resemble anyone asking about cagrilintide here?

Setup, so nobody has to ask: SURPASS-3 · cagrilintide. I have read the primary source rather than the summary, which has left me with more questions. I understand the…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
asked by hana_petrikova 19k · 6 months ago
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 votes 3 answers7.3k views
Working the FLOW renal composite into ARR and NNT - am I doing this correctly?

FLOW tested semaglutide 1.0 mg in people with type 2 diabetes and chronic kidney disease, and reported a hazard ratio of 0.76 for its composite kidney endpoint. I…

renal-outcomes
renal-outcomes

Kidney endpoints: the FLOW composite, eGFR slope as an endpoint, albuminuria regression, and why an early eGFR dip is expected rather than alarming.

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
clinical-trials
clinical-trials

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

913 questions
kidney-function
kidney-function

eGFR, creatinine, cystatin C and albuminuria: the acute haemodynamic dip that is not injury, the renal outcome data from the FLOW programme, and…

100 questions
asked by esther_vandeVelde 49k · 15 months ago
21 votes3 answers6.5k views
How much of the placebo-arm result in these trials is the lifestyle intervention, and does it distort the drug effect?

I noticed that the placebo arms in this literature do not behave consistently. STEP 1 placebo loses 2.4%. STEP 3 placebo loses 5.7%. SURMOUNT-3 placebo gains 2.5%.…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
exercise
exercise

Training during substantial weight loss: cardiorespiratory work, step count, low energy availability, and how exercise interacts with the appetite…

36 questions
weight-regain
weight-regain

Regain after stopping or reducing: the trajectory reported in the withdrawal extensions, how much is fluid, and what the maintenance arms tell us…

14 questions
asked by ben_akintola 14k · 11 months ago
21 votes 5 answers4.3k views
How comparable are semaglutide and semaglutide on the evidence available?

The case in front of me: semaglutide · semaglutide. I would like the axes of comparison first and the recommendation second. I have tried the first option and it…

clinical-trials
clinical-trials

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

913 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
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

162 questions
asked by nominal_ten 14k · 2 months ago
20 votes 5 answers22k views
Does the SURMOUNT-OSA population resemble anyone asking about a GLP-1 receptor agonist here?

Setup, so nobody has to ask: SURMOUNT-OSA · a GLP-1 receptor agonist. I have read the primary source rather than the summary, which has left me with more questions. I…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
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 eoin_mcgarry 16k · 20 months ago
20 votes5 answers19k views
Does the SURMOUNT-4 population resemble anyone asking about oral semaglutide here?

Concretely: SURMOUNT-4 · oral semaglutide. I would like to know the limits of what can be inferred from this. What I am trying to avoid is over-reading a single…

clinical-trials
clinical-trials

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

913 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

445 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
asked by ben_akintola 14k · 9 months ago