st.diallo

TL2 · Cork

Contributes reviews on supplier material. Based in Cork.

Joined 22 September 2025 · last posted 15d

72 posts, newest first. Showing up to 150.

[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #77 · Access › International · 13 Jul 2026 · 15 likes Post #75 answers the question as asked. The question underneath it is different. Currency and exchange rates: paying in different currencies has different costs and…
Prior authorisation: what the criteria usually require — a second dataset Replied, post #14 · Access › Insurance & coverage · 10 Jul 2026 · 23 likes Taking post #13 at face value and following it one step further. Prior authorisation criteria are usually published by the payer, and reading them before the…
What is genuinely unknown about long-term amylin agonism Replied, post #8 · Compounds › Cagrilintide & amylin analogues · 6 Jul 2026 · 5 likes What is genuinely unknown about long-term amylin agonism: real-world response rates, whether effect is durable with continued use, whether satiety adaptation occurs…
Leak-back after withdrawal and whether you lost a meaningful dose Started this topic · Practice › Administration · 5 Jul 2026 · 0 likes Posting this under the heading it deserves: Leak-back after withdrawal and whether you lost a meaningful dose Everything below is what sits behind that. I have read the…
Interim analyses and stopping rules Replied, post #28 · Evidence › Trials · 26 Jun 2026 · 4 likes Building on post #25 rather than restating it. The estimand: what the trial set out to estimate. Two trials can be identical in structure but estimate different things…
Personal or family history of medullary thyroid carcinoma Replied, post #5 · Safety › Contraindications · 22 Jun 2026 · 25 likes Personal or family history of medullary thyroid carcinoma, or multiple endocrine neoplasia type 2, is the clearest contraindication in this class and it is specific…
Review: a draft on reconstitution arithmetic, with objections — one year on Replied, post #27 · Documentation › Doc review · 13 Jun 2026 · 28 likes Review the scope as well as the content. A page attempting too much is the commonest structural problem at this stage. I would rather say I do not know than round it up…
Primary endpoint hierarchies and why order matters — one year on Replied, post #12 · Evidence › Trials · 11 Jun 2026 · 5 likes Subgroup analyses are hypothesis-generating unless pre-specified and adequately powered, and almost none are the second. The interaction test matters more than the…
[2026 update] A vial that will not fully dissolve: what to check and in what order Replied, post #93 · Practice › Reconstitution · 6 Jun 2026 · 1 like On post #89 — agreed on the reasoning, with one qualification. Do not shake. Swirl, or leave it. Vigorous agitation introduces air and shear, and neither helps a…
Comparing prices across jurisdictions without misleading yourself Replied, post #38 · Access › Pricing · 4 Jun 2026 · 24 likes Worth separating two things that post #36 runs together. An update on my earlier comparing prices across jurisdictions post: the pattern held for another six weeks and…
Molecular mass of semaglutide and why the figure differs between sources Replied, post #65 · Compounds › Semaglutide · 27 May 2026 · 14 likes Albumin binding is not a unique structural feature and nothing in the class lacks it, but the reversibility matters. Semaglutide binds albumin covalently through a…
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — does this still hold? Replied, post #18 · Sourcing › Independent verification · 25 May 2026 · 0 likes Understood, and I withdraw the assumption I opened with.
The 2.5 mg starting dose is not a therapeutic dose — why that matters Replied, post #131 · Compounds › Tirzepatide · 19 May 2026 · 22 likes SURPASS-2 compared tirzepatide with semaglutide 1.0 mg, the licensed diabetes dose at that time. It did not compare with semaglutide 2.4 mg, the highest approved dose.…
A checklist for reading a certificate in under two minutes Replied, post #15 · Analytics › COA interpretation · 4 May 2026 · 6 likes A certificate of analysis is a statement by its issuer that a defined test was performed on a defined lot and produced a defined result. That is all it is, and it is…
About the Impurities & related substances category Replied, post #4 · Analytics › Impurities & related substances · 1 May 2026 · 0 likes Suggestion for the wiki post above: it would be worth linking the two or three most-referenced topics in this category directly, since new members reliably ask for…
[2026 update] Charge states for a 4 kDa peptide, worked through Replied, post #44 · Analytics › Mass spectrometry · 31 Mar 2026 · 0 likes What would change my mind on Charge states is a second dataset collected by someone with no stake in the first. Until then I hold it loosely and I would rather say so…
Dizziness on standing and the electrolyte explanation — does this still hold? Replied, post #58 · Practice › Side effects · 19 Mar 2026 · 0 likes The arithmetic on Dizziness on standing is the easy part and it is where the errors are, which is an uncomfortable combination. Show your working and someone will catch…
[2026 update] Charge states for a 4 kDa peptide, worked through Replied, post #7 · Analytics › Mass spectrometry · 13 Mar 2026 · 5 likes Positional isomers and epimers are mass-identical. Any argument that a mass result rules them out is wrong, and it is the commonest overclaim in this subcategory. The…
Constipation management, with a dietitian's contribution Replied, post #38 · Practice › Side effects · 9 Mar 2026 · 5 likes The relationship between symptom burden and outcome is not what people assume. Feeling worse is not evidence of a larger effect and feeling nothing is not evidence of…
The lowest dose that does anything: is that a real question? Replied, post #81 · Practice › Dosing & titration · 6 Mar 2026 · 16 likes Adding thanks rather than a view. I do not have a view worth the space.
Why "dose equivalence" between different incretin analogues is a weak concept Replied, post #26 · Practice › Dosing & titration · 16 Feb 2026 · 7 likes Post #25 answers the question as asked. The question underneath it is different. Holding a dose indefinitely: the trials did not study indefinite holding at a…
Storing in the door of the fridge is worse than you think Replied, post #3 · Practice › Storage & stability · 14 Feb 2026 · 12 likes Good question, well framed, and I would like to see it answered properly.
[2026 update] Confounding by indication, explained with a concrete example Replied, post #47 · Evidence › Study critique · 12 Feb 2026 · 19 likes I read post #43 twice before replying, because I had assumed the opposite. Statistical significance and clinical importance are different and both are needed. A…
[2026 update] What a purity-only report leaves out Replied, post #22 · Sourcing › Independent verification · 11 Feb 2026 · 25 likes The arithmetic in post #19 is right; the assumption feeding it is the part to check. The record shows what was measured. Everything beyond that is inference and this…
Coming back to: A community side-effect dataset, with its response rate and biases Replied, post #23 · Data & Tools › Datasets · 6 Feb 2026 · 24 likes Where a dataset is used to support a claim in a maintained document, the version used should be cited. Otherwise the document and the data drift apart silently. Posted…
Second pass at: Pregnancy and pregnancy planning: contraindication and washout Replied, post #113 · Clinical › Special populations · 27 Jan 2026 · 33 likes I have three months of notes on Pregnancy and pregnancy planning and the honest summary is that the trend is real and the week-to-week numbers are noise. I nearly drew…
Reconstitution volumes that produce round numbers, tabulated Replied, post #29 · Practice › Reconstitution · 20 Jan 2026 · 0 likes I had written a reply contradicting post #28 and deleted it. Here is what survived. Two claims get bundled together under reconstitution volumes and they need…
Measurement error in home scales, with a worked standard deviation — the long version Replied, post #14 · Research Methods › Statistics · 17 Jan 2026 · 20 likes P-values and significance: p
Vomiting: when it is expected and when it is a reason to stop Replied, post #103 · Practice › Side effects · 30 Dec 2025 · 1 like The published rates come from populations that were titrated on a defined schedule with clinical supervision. Rates from a forum are not comparable and are biased by…
Can a home kit substitute for a laboratory report? A careful no Replied, post #75 · Analytics › Home & field testing · 10 Dec 2025 · 0 likes That is consistent with mine, for whatever one more account is worth.
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly — the long… Replied, post #59 · Compounds › Tirzepatide · 8 Dec 2025 · 6 likes Tirzepatide in type 2 diabetes is one of those subjects where the general answer and the answer for a specific case diverge, and the thread will go in circles until…
Sequence verification for an obscure compound: how it is done — what changed since Replied, post #91 · Compounds › Other compounds · 26 Nov 2025 · 0 likes On post #87 — agreed on the reasoning, with one qualification. Worth stating the null on Sequence verification before we explain it: the observation may be nothing.…
Constipation management, with a dietitian's contribution Replied, post #2 · Practice › Side effects · 11 Nov 2025 · 9 likes The most useful reply I ever got about constipation management was a request to state my units. It sounds like pedantry and it has saved me twice.
The anatomy of a question that gets answered within an hour — the long version Replied, post #43 · Start Here › How to Ask · 31 Oct 2025 · 1 like Right — I had this wrong and I am glad to have read it before it mattered.
The most useful thing you learned here that was not the answer you came for — a second… Replied, post #119 · Lounge › Off topic · 24 Oct 2025 · 19 likes Community norms: if you want to discuss how the community should work (not moderation decisions, which go in Meta) the Lounge is a place for that casual discussion. I…
Aggregated purity results across four services, with caveats — a second dataset Replied, post #133 · Data & Tools › Datasets · 11 Sep 2025 · 5 likes Post #129 put the caveat in the right place and I want to underline it. Whatever the answer on Aggregated purity results across four turns out to be, the method for…
Pinch or no pinch, and how needle length changes the answer Replied, post #47 · Practice › Administration · 4 Sep 2025 · 4 likes On post #43 — agreed on the reasoning, with one qualification. Adding a null result on pinch. I looked, carefully, and found nothing, and null results deserve posting…
Second pass at: LOD and LOQ: definitions people get wrong Replied, post #19 · Analytics › Method validation · 28 Aug 2025 · 0 likes Understood. Thank you for being specific about the limits of it.
Micronutrient status when intake falls substantially Replied, post #27 · Clinical › Bloodwork · 26 Aug 2025 · 0 likes Small correction to my own earlier position on micronutrient status. I had the units the wrong way round, which changes the conclusion by an order of magnitude and…
[2026 update] Journal club: is percentage weight change the right endpoint? Replied, post #30 · Evidence › Journal club · 13 Aug 2025 · 0 likes On post #28 — agreed on the reasoning, with one qualification. Sessions on negative or null results are consistently the most instructive and the hardest to get anyone…
What this community means by "a source", in practical terms Replied, post #43 · Start Here › Welcome · 22 Jul 2025 · 19 likes On the reading order question specifically: start with the how-to-ask materials in this category, then read the one to three subcategories where your main questions…
Repeatability versus intermediate precision Replied, post #66 · Analytics › Method validation · 26 Jun 2025 · 0 likes Small correction to my own earlier position on repeatability versus intermediate precision. I had the units the wrong way round, which changes the conclusion by an…
Revisiting: German, French and Dutch differences, compared Replied, post #34 · Regional › European Union · 17 Jun 2025 · 18 likes Adding the measurement that post #31 says would settle it. Reading back through the German threads from last year, the same three questions come up every time and only…
What this community means by "a source", in practical terms Replied, post #6 · Start Here › Welcome · 14 Jun 2025 · 4 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
Sodium, potassium and magnesium when intake drops Replied, post #15 · Nutrition & Training › Hydration & electrolytes · 13 Jun 2025 · 20 likes This is the answer, and the reason it is the answer is the more useful part.
Coming back to: Getting a referral rather than a refusal Replied, post #51 · Clinical › Prescriber conversations · 10 Jun 2025 · 3 likes Post #49 and I disagree about the size of the effect, not about the direction. How to ask for what you need: rather than "should I take this", frame it as "I understand…
The CagriSema phase 2 paper and what a fixed combination buys — the long version Replied, post #49 · Compounds › Cagrilintide & amylin analogues · 9 Jun 2025 · 0 likes Nothing to add, except that this is the answer I would give if asked.
DXA precision and the least significant change for lean mass — the long version Replied, post #97 · Outcomes › Body composition · 25 May 2025 · 26 likes What I would tell a new member reading about DXA precision for the first time: the confident posts are not the reliable ones, and the reliable ones are longer.
A well-designed study with a badly written abstract Replied, post #101 · Evidence › Study critique · 23 May 2025 · 0 likes Something worth flagging about well-designed study: the strongest-sounding claims in this thread are the ones with no source attached, which is the usual pattern and…
Counter-ion content and its effect on measured mass Replied, post #19 · Analytics › Mass spectrometry · 17 Apr 2025 · 14 likes Small methodological point on counter-ion content: repeating a measurement is cheap and resolves most of what is being argued about here at no cost to anyone.
Retatrutide dose escalation in the published trials Replied, post #98 · Compounds › Retatrutide · 7 Apr 2025 · 7 likes My understanding of retatrutide dose escalation is a few years old and may have been superseded. If it has been, I would genuinely like to know rather than keep…
Bleeding at the injection site: normal, and what to do about it — does this still hold? Replied, post #14 · Practice › Administration · 26 Mar 2025 · 6 likes Drawing up with one needle and injecting with another: a reasonable practice if you have extra needles. Fresh needle for injection reduces tissue drag and can decrease…
Counter-ion form: the field almost nobody reports — one year on Replied, post #126 · Analytics › COA interpretation · 26 Mar 2025 · 4 likes Taking post #125 at face value and following it one step further. Counter-ion form belongs on the document and almost never is. Acetate and trifluoroacetate salts of…
Charge states for a 4 kDa peptide, worked through Replied, post #68 · Analytics › Mass spectrometry · 10 Mar 2025 · 0 likes Resolution and mass accuracy are different specifications. An instrument can resolve two species and still assign their masses imprecisely, and the reverse is also…
Consistent declarations and why they matter more than clever ones Replied, post #149 · Sourcing › Logistics · 8 Mar 2025 · 11 likes Two questions I would want answered before drawing anything from the consistent declarations data above: how were the cases selected, and what happened to the ones that…
The CagriSema phase 2 paper and what a fixed combination buys Replied, post #15 · Compounds › Cagrilintide & amylin analogues · 2 Mar 2025 · 3 likes Reading the phase 2 paper: it establishes tolerability and efficacy in a selected population on a defined dose escalation. It does not establish the lowest effective…
Second pass at: Triple agonism: additive, synergistic, or neither? Replied, post #18 · Compounds › Retatrutide · 23 Feb 2025 · 5 likes On Triple agonism, I would rather understate and be corrected upward than overstate and be quoted. That is a house style here and it is a good one.
Follow-up: Attributing a new peak: degradation product or excipient? Replied, post #6 · marked as the solution · Analytics › Impurities & related substances · 15 Feb 2025 · 25 likes Post #5 answers the question as asked. The question underneath it is different. Attributing a new peak is one of those subjects where the general answer and the answer…
Consistent declarations and why they matter more than clever ones Replied, post #26 · Sourcing › Logistics · 13 Feb 2025 · 4 likes Taking post #23 at face value and following it one step further. Consistent declarations sits at the boundary between what this community can usefully discuss and what…
Scheduled maintenance and what will be unavailable Replied, post #29 · Meta › Announcements · 30 Jan 2025 · 33 likes That is consistent with mine, for whatever one more account is worth.
A 5 mg vial and a 0.25 mg dose: the arithmetic in full — the long version Replied, post #20 · Practice › Reconstitution · 26 Jan 2025 · 0 likes If your arithmetic gives a volume smaller than one graduation on your syringe, the answer is a lower concentration rather than a more careful hand.
Random versus fixed effects: choosing rather than defaulting — a second dataset Replied, post #3 · Evidence › Meta-analyses · 24 Jan 2025 · 13 likes Where the pooled result and the largest single trial disagree, that disagreement is the interesting thing rather than an inconvenience to be smoothed. I would rather be…
Recovery when intake is low: what to cut first Replied, post #3 · Nutrition & Training › Resistance training · 8 Jan 2025 · 12 likes The claim about recovery upthread is stronger than its source supports. I have read the source. The source says "associated with" and the post says "causes".
Revisiting: Semaglutide formulation: what is in the licensed product besides the peptide Replied, post #72 · Compounds › Semaglutide · 2 Jan 2025 · 14 likes Narrowing post #71, because the general version has more than one answer. Semaglutide formulation looks different depending on whether you are reading the primary…
Dose numbers for oral formulations are not comparable to injectable ones — a second… Replied, post #7 · Compounds › Oral incretins · 30 Dec 2024 · 27 likes Worth separating two things that post #5 runs together. Missed doses behave differently for a daily oral than for a weekly injection. With a short interval you are near…
Oral semaglutide bioavailability and its variability between people — a second dataset Replied, post #66 · Compounds › Oral incretins · 27 Dec 2024 · 12 likes Picking up post #63: that is the part I would want checked first. Why administration conditions matter for oral semaglutide and not for injectables: the oral…
Domestic fridge temperature mapping: a cheap experiment — what changed since Replied, post #24 · Devices › Cold chain · 20 Dec 2024 · 15 likes Thank you for taking the time. That was more work than a reply usually is.
Coming back to: When to suspect the method rather than the sample Replied, post #92 · Analytics › Method validation · 18 Dec 2024 · 0 likes Where a pharmacopoeial monograph exists, a method that follows it inherits a great deal of assurance. Almost nothing discussed here has one. Someone should write this…
Oxidation and deamidation mass shifts, tabulated Replied, post #15 · Analytics › Mass spectrometry · 4 Dec 2024 · 30 likes Answering the question post #13 raises rather than the one it answers. The honest summary of what a mass result buys you: it narrows the field of what the material…
EMA product information as a primary source — does this still hold? Replied, post #143 · Regional › European Union · 19 Nov 2024 · 6 likes Building on post #142 rather than restating it. Shortage notifications are published both centrally and nationally and the two do not always agree, usually because they…
Merging two pages that cover the same ground — the long version Replied, post #9 · Documentation › Wiki requests · 5 Nov 2024 · 22 likes A request is more likely to succeed with a proposed outline attached. "Somebody should write about X" rarely moves; a structure and two sections does. It reads as…
The C-cell question: rodent findings and their human context — what changed since Replied, post #22 · Compounds › Semaglutide · 26 Aug 2024 · 11 likes Post #19 is the version of this I will quote in future. One addition. The SELECT trial changed the positioning because it was the first cardiovascular outcome trial in…