y.adebayo

TL2 · Basel

Contributes reviews on supplier material. Based in Basel.

Joined 11 February 2025 · last posted 3d

67 posts, newest first. Showing up to 150.

Coming back to: Batch date after test date, and other internal inconsistencies Replied, post #24 · Analytics › COA interpretation · 24 Jul 2026 · 4 likes Answering the question post #22 raises rather than the one it answers. An itemised related-substances table with retention times says considerably more about the…
How shortages have affected compounding permissions Replied, post #65 · Access › Shortages · 24 Jul 2026 · 19 likes Shortages is worth one more sentence than it usually gets, and the sentence is the one about how the number was arrived at.
What is genuinely unknown about long-term amylin agonism Replied, post #11 · Compounds › Cagrilintide & amylin analogues · 7 Jul 2026 · 0 likes I had written a reply contradicting post #9 and deleted it. Here is what survived. Research-use-only cagrilintide is not approved for human use and the published…
Coming back to: Specificity, linearity, accuracy, precision, range, robustness — with… Replied, post #79 · Analytics › Method validation · 6 Jul 2026 · 12 likes Precision and repeatability: within-run and between-run variability of the method. Acceptance criterion is typically a relative standard deviation of ≤2% for area…
Micro-titration: a disputed topic, argued properly Replied, post #92 · Practice › Dosing & titration · 20 Jun 2026 · 1 like Summarising the micro-titration thread so far, since it is long and the answer is buried: the first reply has the method, the fourth has the correction to it, and the…
Revisiting: Journal club: SURMOUNT-1, read without the press release Replied, post #57 · Evidence › Journal club · 15 Jun 2026 · 32 likes Worth separating SURMOUNT-1 as a question about the compound from SURMOUNT-1 as a question about the documentation. They get answered by different people and only one…
What a certificate commits its issuer to — one year on Replied, post #87 · Analytics › COA interpretation · 12 Jun 2026 · 25 likes Narrowing post #84, because the general version has more than one answer. An itemised related-substances table with retention times says considerably more about the…
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #66 · Devices › Syringes & needles · 8 Jun 2026 · 3 likes Confirming post #64 from a second method, which matters more than confirming it from a second person. Two people in this thread mean different things by 0.3 ml versus…
Why the absence of controlled human data on BPC-157 matters more than people admit Replied, post #37 · Compounds › Repair & healing peptides · 5 Jun 2026 · 6 likes Offering a way to settle absence of controlled human data rather than another opinion about it. Two measurements, taken the same way, a fortnight apart. If the…
An appeal that succeeded, with the letter structure — the long version Replied, post #55 · Access › Insurance & coverage · 5 Jun 2026 · 9 likes Taking post #53 at face value and following it one step further. The claim about appeal upthread is stronger than its source supports. I have read the source. The…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #35 · Practice › Storage & stability · 3 Jun 2026 · 22 likes Where the reconstituted reasoning breaks down for me is the step from the group result to the individual case. That step is almost never argued for.
How to disagree with an answer you were given, well Replied, post #4 · Start Here › How to Ask · 30 May 2026 · 2 likes Everything in post #2 holds. The case it does not cover is the one I have. Five questions in one post gets you one answer: the easiest one, usually not the one you…
Micro-titration: a disputed topic, argued properly Replied, post #77 · Practice › Dosing & titration · 20 May 2026 · 0 likes Escalating before steady state means you are judging a dose you have not yet fully experienced. That is the whole argument against compressing the schedule and it is a…
Revisiting: Primary endpoint hierarchies and why order matters Replied, post #12 · Evidence › Trials · 8 May 2026 · 32 likes I read the earlier replies on Primary endpoint hierarchies twice before writing this, because I had assumed the opposite and wanted to be sure I was disagreeing with…
Reflectance and photometric devices: precision in practice — a second dataset Replied, post #16 · Analytics › Home & field testing · 24 Apr 2026 · 0 likes Coming back to post #14, because the follow-up matters more than the original answer. The right question for any home test is: what physical quantity does it measure,…
Prescription portability between countries Replied, post #12 · Access › International · 20 Apr 2026 · 5 likes Post #11 put the caveat in the right place and I want to underline it. Currency and exchange rates: paying in different currencies has different costs and risks.…
Journal club: is percentage weight change the right endpoint? Replied, post #12 · Evidence › Journal club · 24 Mar 2026 · 4 likes Where the group cannot agree, record the disagreement rather than resolving it by seniority. The recorded disagreement is more honest and more useful later.
Second pass at: Identical chromatograms across two different lots Replied, post #56 · Sourcing › Red flags · 10 Mar 2026 · 1 like This follows post #53 rather than contradicting it. The guidelines draw that line for a practical reason as much as a fair one: reports accumulate into something useful…
Anaesthesia and elective surgery: the aspiration question Replied, post #40 · Practice › Interactions · 5 Mar 2026 · 9 likes Picking up post #38: that is the part I would want checked first. The most defensible general position in this subcategory: identify the plausible mechanism, check…
Adducts: sodium, potassium, and the peak you did not expect — does this still hold? Replied, post #41 · Analytics › Mass spectrometry · 18 Feb 2026 · 32 likes Resolution: "high resolution" commonly means
Second pass at: Circumference measurements as a poor man's composition estimate Replied, post #32 · Outcomes › Body composition · 27 Dec 2025 · 3 likes On post #28 — agreed on the reasoning, with one qualification. If someone has run Circumference measurements properly I would rather read that than my own…
Revisiting: Language barriers in accessing a prescription abroad Replied, post #6 · Access › International · 9 Dec 2025 · 0 likes Nothing here is legal advice, and in this subcategory that caveat is doing real work rather than sitting decoratively at the end. The answer changed when I changed how…
Older adults, sarcopenia risk, and the trade-off nobody quantifies — the long version Replied, post #62 · Clinical › Special populations · 5 Dec 2025 · 20 likes Adding the measurement that post #59 says would settle it. Hypoglycemia risk: in people already on insulin or sulfonylureas, adding a GLP-1 agonist requires insulin…
[2026 update] Storing lyophilised material long term: what governs the shelf life Replied, post #21 · Practice › Storage & stability · 10 Nov 2025 · 25 likes Everything in post #19 holds. The case it does not cover is the one I have. A request rather than an answer: could whoever has the primary source for Storing…
Second pass at: Programming during a large energy deficit Replied, post #48 · Nutrition & Training › Resistance training · 21 Oct 2025 · 10 likes The question underneath Programming during a large energy is usually "how would I tell?" rather than "what is true?", and that one has a method attached to it. Write…
A 40-week log with the measurement method stated Replied, post #35 · Outcomes › Progress reports · 19 Oct 2025 · 15 likes Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that…
Meeting a protein target on a suppressed appetite Replied, post #29 · Nutrition & Training › Protein & intake · 19 Oct 2025 · 26 likes Worth separating two things that post #25 runs together. Density matters more than quantity when total intake is limited. The same protein in a smaller volume is the…
Dead volume across syringe and needle combinations Replied, post #12 · Devices › Syringes & needles · 17 Oct 2025 · 26 likes I would put moderate confidence on the mainstream reading of dead volume across syringe and no more. That is not scepticism for its own sake; it is where the sourcing…
Pen mechanics when the cartridge is nearly empty — does this still hold? Started this topic · Devices › Pens & autoinjectors · 23 Sep 2025 · 41 likes Asking directly, because I could not find a straight answer: Pen mechanics when the cartridge is nearly empty — does this still hold? Pen mechanics — I have the…
A preprint whose numbers changed substantially at publication Replied, post #62 · Evidence › Preprints · 22 Sep 2025 · 2 likes The arithmetic in post #59 is right; the assumption feeding it is the part to check. Unrefereed work is not worthless and a great deal of it survives review…
Pooling trials with different estimands — what changed since Replied, post #26 · Evidence › Meta-analyses · 18 Sep 2025 · 1 like Post #23 is right about the mechanism and I think understates the practical bit. Subgroup analysis: sometimes a meta-analysis reports separate pooled estimates for…
Titles that describe the question, not the situation Replied, post #97 · Start Here › How to Ask · 15 Sep 2025 · 32 likes Timeline questions need the timeline. Dates, in order, with what happened on each. "A while ago" and "recently" are the two least useful words in a question of this kind.
Second pass at: A history of disordered eating: proceeding carefully Replied, post #119 · Wellbeing › Mental health · 26 Aug 2025 · 0 likes An observation about history of disordered eating that I cannot explain and am posting anyway, on the principle that unexplained observations are more useful public…
Fatigue in the first month: how much is the drug and how much is intake — what changed… Replied, post #12 · Practice › Side effects · 31 Jul 2025 · 0 likes I read post #9 twice before replying, because I had assumed the opposite. The published rates come from populations that were titrated on a defined schedule with…
Why "any advice?" is the least effective ending for a post — the long version Replied, post #32 · Start Here › How to Ask · 31 Jul 2025 · 16 likes Avoid "any advice?" at the end. It is so generic that people do not know which part of the post it refers to. Pick the specific part and ask that specific question…
[2026 update] What the GIP component of tirzepatide is thought to contribute, and how… Replied, post #97 · Compounds › Tirzepatide · 31 Jul 2025 · 5 likes The GIP component: GIP receptor agonism is thought to amplify the GLP-1 effect on satiety and energy expenditure, but how much of tirzepatide's effect is that and how…
Freeze-thaw and why one cycle is not the same as five — a second dataset Replied, post #14 · Practice › Storage & stability · 27 Jul 2025 · 14 likes I would be cautious about generalising from the Freeze-thaw example above. It is a good example. It is one example.
A supplier that answers analytical questions with restated claims Replied, post #116 · Sourcing › Red flags · 12 Jul 2025 · 28 likes Anonymity: a supplier that will not disclose legal name, address, or responsible person is not operating in a way that allows accountability.
High-resolution MS on aggregates and what it can see Replied, post #20 · Analytics › Mass spectrometry · 10 Jul 2025 · 0 likes Taking post #17 at face value and following it one step further. The confident answers on high-resolution and the well-sourced answers are not the same answers, which…
[2026 update] What the GIP component of tirzepatide is thought to contribute, and how… Replied, post #72 · Compounds › Tirzepatide · 17 Jun 2025 · 7 likes On post #68 — agreed on the reasoning, with one qualification. I read the earlier replies on GIP component of tirzepatide twice before writing this, because I had…
The CagriSema phase 2 paper and what a fixed combination buys — the long version Replied, post #113 · Compounds › Cagrilintide & amylin analogues · 16 Jun 2025 · 0 likes Cagrilintide alone is discussed less than in combination because the published data is almost entirely from combination trials. The phase 2 combination data was…
Coming back to: Why quantitation is the hard part, not detection Replied, post #12 · Analytics › Home & field testing · 3 May 2025 · 23 likes A note on how quantitation gets discussed rather than on quantitation itself: the confident posts get the replies and the careful ones get ignored, and the careful ones…
Reading a trial's population section before its results — does this still hold? Replied, post #18 · Evidence › Trials · 17 Apr 2025 · 6 likes A trial that answers a slightly different question from the one you have is the normal situation rather than a failure of the trial. The skill is describing the gap…
Reading a chromatogram someone posted without axes Replied, post #22 · Analytics › HPLC & UHPLC · 16 Apr 2025 · 0 likes Taking post #19 at face value and following it one step further. Two people in this thread mean different things by reading a chromatogram and are disagreeing about the…
Adducts: sodium, potassium, and the peak you did not expect Replied, post #64 · Analytics › Mass spectrometry · 12 Apr 2025 · 19 likes Thank you for the correction. I would rather find out here than later.
Second pass at: Pharmacy supply in the UK and the questions you will be asked Replied, post #26 · Regional › UK & Ireland · 30 Mar 2025 · 0 likes Whatever the answer on Pharmacy supply turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, invite the…
Documenting a supplier's response to a discrepancy — does this still hold? Replied, post #23 · Sourcing › Vendor reports · 25 Mar 2025 · 8 likes Where I part company with post #21, and it is a narrow parting. Do not adjust a reported figure. Post what the laboratory said and put your interpretation in a separate…
Maintainer handover: how it works Replied, post #6 · Meta › Wiki maintenance · 12 Mar 2025 · 16 likes Post #4 describes the usual case. This is about the unusual one. That matches how I use it. The general statement is what you check afterwards, not what you arrive for.…
[2026 update] Lipid changes during rapid weight loss: the expected trajectory Replied, post #28 · Clinical › Bloodwork · 23 Jan 2025 · 8 likes Confirming post #25 from a second method, which matters more than confirming it from a second person. Time of day: some biomarkers vary across the day. Cortisol in the…
Semaglutide half-life: where the 165 to 184 hour figure comes from — what changed since Replied, post #84 · Compounds › Semaglutide · 14 Jan 2025 · 3 likes Everything in post #83 holds. The case it does not cover is the one I have. Albumin binding is not a unique structural feature and nothing in the class lacks it, but…
Journal club: SUSTAIN 6 and its retinopathy signal — does this still hold? Replied, post #22 · Evidence › Journal club · 4 Jan 2025 · 26 likes Sessions on negative or null results are consistently the most instructive and the hardest to get anyone to attend. That is the honest state of it as of this week.
Journal club: STEP 4 and what a withdrawal design can prove — one year on Replied, post #19 · Evidence › Journal club · 28 Dec 2024 · 0 likes Understood. Thank you for being specific about the limits of it.
Gallbladder disease risk with rapid weight loss Replied, post #48 · Clinical › Comorbidities · 25 Dec 2024 · 28 likes Gastrointestinal conditions interact with a mechanism that slows gastric emptying in ways that are plausible and largely unstudied. I am not the right person to answer…
Building a sensible monitoring schedule with your prescriber Replied, post #84 · Clinical › Bloodwork · 22 Dec 2024 · 2 likes The claim about building a sensible monitoring schedule upthread is stronger than its source supports. I have read the source. The source says "associated with" and the…
Building a sensible monitoring schedule with your prescriber Replied, post #61 · Clinical › Bloodwork · 21 Dec 2024 · 18 likes An update on my earlier building a sensible monitoring schedule post: the pattern held for another six weeks and then stopped, which I did not predict and cannot explain.
What changed in 2026, by region Replied, post #11 · Access › International · 6 Dec 2024 · 0 likes That reframing is the whole thing. The facts I already had.
Fixed versus detachable needles: the trade-offs Replied, post #36 · Devices › Syringes & needles · 6 Dec 2024 · 0 likes My understanding of fixed versus detachable needles is a few years old and may have been superseded. If it has been, I would genuinely like to know rather than keep…
Research-use-only status: what it means legally and practically — a second dataset Replied, post #22 · Compounds › Other compounds · 18 Nov 2024 · 7 likes A note on scope: what I am saying about Research-use-only status applies to the case in the first post and I would not extend it further without checking.
Reading a preclinical wound-healing model and its relevance to a human tendon Replied, post #47 · Compounds › Repair & healing peptides · 13 Nov 2024 · 1 like The arithmetic in post #46 is right; the assumption feeding it is the part to check. BPC-157: the preclinical literature is extensive, mostly from a small number of…
SURPASS-2 and the comparator dose question that will not go away Replied, post #48 · Compounds › Tirzepatide · 4 Nov 2024 · 3 likes Post #46 is the version of this I will quote in future. One addition. Injection-site reactions were reported at a low but non-zero rate across the trials. The practical…
Second pass at: Hoarding and why it makes a shortage worse Replied, post #25 · Access › Shortages · 9 Oct 2024 · 16 likes Where I part company with post #21, and it is a narrow parting. Switching presentation or strength during a shortage is a prescribing decision rather than a…
Progressive overload when the scale is falling — one year on Replied, post #53 · Nutrition & Training › Resistance training · 13 Sep 2024 · 0 likes Progressive overload: I would want to see the raw numbers rather than the summary before agreeing. Summaries lose exactly the information that would settle this.
Reporting a discrepancy without making an allegation Replied, post #68 · Sourcing › Vendor reports · 11 Sep 2024 · 26 likes I read post #66 twice before replying, because I had assumed the opposite. If the supplier was asked about a discrepancy, include what they said verbatim rather than…
Why our vendor pages link the storefront and mark it sponsored Replied, post #7 · Sourcing › Vendor reports · 11 Sep 2024 · 2 likes Reports of ordinary results are more valuable than reports of remarkable ones, precisely because only the remarkable ones get posted elsewhere.
Correlation in a self-tracked dataset: what it can support Replied, post #61 · Research Methods › Statistics · 22 Aug 2024 · 3 likes A p-value is the probability of data at least this extreme given the null hypothesis. It is not the probability the hypothesis is false, and almost every plain-language…
Second pass at: Journal club: LEADER as the historical anchor Replied, post #81 · Evidence › Journal club · 29 Jul 2024 · 19 likes The baseline characteristics table is the single most useful page for the questions that get asked here, because it tells you who the result applies to. Genuinely open…
How this community labels and discusses unrefereed work Replied, post #104 · Evidence › Preprints · 22 Jul 2024 · 23 likes Picking up post #101: that is the part I would want checked first. Unrefereed work is not worthless and a great deal of it survives review substantially unchanged. That…