j.delacroix

TL3 Regular · Santander, ES

Wiki editor. Small, frequent, well-annotated edits.

Joined 26 October 2024 · last posted 2d · groups: wiki-editors

131 posts, newest first. Showing up to 150.

What consumer-accessible tests can and cannot determine — a second dataset Replied, post #128 · Analytics › Home & field testing · 26 Jul 2026 · 1 like Coming back to post #124, because the follow-up matters more than the original answer. The honest answer on consumer-accessible tests is that it depends, and the useful…
What a certificate commits its issuer to Replied, post #89 · Analytics › COA interpretation · 23 Jul 2026 · 25 likes This is the first time the answer has come with its own limits attached. Appreciated.
Revisiting: What pooling buys you and what it destroys Replied, post #94 · Evidence › Meta-analyses · 16 Jul 2026 · 0 likes This follows post #92 rather than contradicting it. Where I have landed on pooling buys, having got it wrong once in public: the direction is clear, the magnitude is…
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #94 · Sourcing › Independent verification · 15 Jul 2026 · 3 likes It does not extend to lots nobody has seen, it is not a recommendation, and it says nothing about anything other than what was measured. For what it is worth, the same…
Documenting a supplier's response to a discrepancy Replied, post #31 · Sourcing › Vendor reports · 6 Jul 2026 · 0 likes Reports of ordinary results are more valuable than reports of remarkable ones, precisely because only the remarkable ones get posted elsewhere. I would rather say I do…
Pooling trials with different estimands Replied, post #67 · Evidence › Meta-analyses · 3 Jul 2026 · 0 likes Reading rather than contributing, but this is the most useful thread I have found on it.
Request: a per-category review queue Replied, post #74 · Meta › Feature requests · 2 Jul 2026 · 0 likes Worth separating two things that post #70 runs together. Summarising the per-category review queue thread so far, since it is long and the answer is buried: the first…
Bioimpedance and hydration: why the number moves Replied, post #67 · Outcomes › Body composition · 27 Jun 2026 · 7 likes Bioimpedance is considerably less precise and is strongly affected by hydration state, which is why readings move overnight without anything having changed.
How shortages have affected compounding permissions — does this still hold? Replied, post #18 · Access › Shortages · 27 Jun 2026 · 5 likes Shortages 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 someone says which one…
Insomnia at a dose step: reported experiences — the long version Replied, post #38 · Wellbeing › Sleep · 24 Jun 2026 · 0 likes Worth separating two things that post #34 runs together. Adding a reference point for Insomnia. Mine is a single case, collected without controls, and I am posting the…
An appeal that succeeded, with the letter structure — the long version Replied, post #115 · Access › Insurance & coverage · 18 Jun 2026 · 3 likes Formulary status: the list of covered medications and the tier (how much you pay) they are on. Checking the current formulary before going to a clinic appointment saves…
Why fasting instructions for oral semaglutide are not optional advice Replied, post #45 · Compounds › Oral incretins · 16 Jun 2026 · 13 likes Dose equivalence between oral and injectable formulations is not a simple conversion and no published factor should be used as one. The two were developed and titrated…
What other technical communities get right that we do not Replied, post #5 · Lounge › Off topic · 13 Jun 2026 · 6 likes Analytics first, in my case, and I still find the practice category the harder read. Chromatography has one right answer more often than logistics does. Adding the…
Revisiting: Taste changes and food aversion, reported and discussed Replied, post #5 · Practice › Side effects · 13 Jun 2026 · 21 likes Answering the question the opening post raises rather than the one it answers. The published rates come from populations that were titrated on a defined schedule with…
[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #10 · Access › International · 11 Jun 2026 · 1 like That is the distinction I keep failing to hold on to. Written down now.
Comparing prices across jurisdictions without misleading yourself Replied, post #44 · Access › Pricing · 6 Jun 2026 · 4 likes Answering the comparing prices across jurisdictions question as asked, then the question I think is meant. As asked: yes, with the qualification below. As meant: it…
Why we ask for units every single time, with three examples of what goes wrong Replied, post #20 · Start Here › How to Ask · 5 Jun 2026 · 17 likes Nobody minds being asked to explain a term. The people who use them most are the quickest to define them, and a question that stops to ask is usually a question that…
A plateau that disappeared when I changed how I measured — the long version Replied, post #46 · Outcomes › Progress reports · 4 Jun 2026 · 29 likes This follows post #45 rather than contradicting it. The best progress reports here read as records rather than as arguments, and that difference is visible within a…
Endotoxin and why it is a separate question from purity — what changed since Replied, post #35 · Analytics › Impurities & related substances · 3 Jun 2026 · 0 likes Deletion sequences (incomplete coupling during synthesis): lower in mass by one residue. Chromatographically they usually elute earlier or later depending on the…
I have no scientific background — can I still follow the analytics categories? Replied, post #11 · Start Here › Welcome · 31 May 2026 · 1 like If you are not sure which subcategory a question belongs in, post it in the closest one. A moderator will move it, the move is logged, and nothing bad happens to you. A…
I have no scientific background — can I still follow the analytics categories? Replied, post #9 · Start Here › Welcome · 27 May 2026 · 0 likes The FAQ link in the sidebar is maintained and worth ten hours of forum browsing. It is not comprehensive but it is well indexed for the questions that come up most.
Bariatric surgery history: altered anatomy, altered expectations Replied, post #15 · Clinical › Special populations · 19 May 2026 · 0 likes Before the thread moves on from bariatric surgery history — what is the sample size behind the claim? I am not being difficult; I have seen the same figure quoted from…
How this community labels and discusses unrefereed work — the long version Replied, post #13 · Evidence › Preprints · 12 May 2026 · 0 likes I read post #11 twice before replying, because I had assumed the opposite. I changed my mind about community labels after someone here asked me for the source and I…
The best-written scientific paper you have read Replied, post #38 · Lounge › Off topic · 9 May 2026 · 3 likes Best-written scientific paper: I would want to see the raw numbers rather than the summary before agreeing. Summaries lose exactly the information that would settle this.
Prescription portability between countries Replied, post #28 · Access › International · 9 May 2026 · 0 likes Regulatory position dates: a regulatory position is only current as of when it was written. Rechecking is prudent, especially if you saw it months ago. It cost nothing…
Manufacturer assistance programmes and their eligibility rules Replied, post #23 · Access › Pricing · 5 May 2026 · 32 likes Post #20 answers the question as asked. The question underneath it is different. Speaking only to manufacturer assistance programmes as I have actually seen it, rather…
Request: show the solution author in the topic list — what changed since Replied, post #46 · Meta › Feature requests · 2 May 2026 · 0 likes Picking up post #44: that is the part I would want checked first. Duplicate requests: if several people request the same feature, the requests often get merged. Check…
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #79 · Devices › Syringes & needles · 2 May 2026 · 1 like Post #77 put the caveat in the right place and I want to underline it. Barrel size determines resolution and nothing else. A 0.3 mL barrel and a 1 mL barrel deliver the…
A single out-of-range value on an otherwise normal panel Replied, post #39 · Clinical › Bloodwork · 26 Apr 2026 · 6 likes Where I part company with post #35, and it is a narrow parting. Single out-of-range value was covered in the wiki last year and the page has a review date on it, which…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #31 · Analytics › HPLC & UHPLC · 16 Apr 2026 · 22 likes One caution on Area percent versus weight percent: everything above assumes the underlying documentation is what it claims to be. That assumption is doing real work and…
Journal club: is percentage weight change the right endpoint? Replied, post #64 · Evidence › Journal club · 13 Apr 2026 · 13 likes Post #61 is right about the mechanism and I think understates the practical bit. The baseline characteristics table is the single most useful page for the questions…
Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #49 · Sourcing › Vendor reports · 11 Apr 2026 · 0 likes Photograph the vial and the label before opening. It costs ten seconds and it is what turns a report into something checkable.
CJC-1295 with and without DAC: what the modification does Replied, post #28 · Compounds › Secretagogues & GH axis · 7 Apr 2026 · 29 likes On analysis: these are short peptides and generally straightforward chromatographically, which means a poor purity result is more likely to reflect the synthesis than…
Managing an unplanned gap in supply Replied, post #87 · Access › Shortages · 6 Apr 2026 · 0 likes On post #85 — agreed on the reasoning, with one qualification. Where a manufacturer publishes a supply statement, that document is more reliable than any aggregation of…
Reconstitution volumes that produce round numbers, tabulated Replied, post #82 · Practice › Reconstitution · 4 Apr 2026 · 0 likes Post #81 is the version of this I will quote in future. One addition. Do not shake. Swirl, or leave it. Vigorous agitation introduces air and shear, and neither helps a…
A parcel stationary at a customs facility for nine days Replied, post #44 · Sourcing › Logistics · 1 Apr 2026 · 26 likes Photographing the parcel on arrival before opening it takes ten seconds and is the difference between a report and a recollection.
Type 2 diabetes and the largest part of the evidence base Replied, post #51 · Clinical › Comorbidities · 1 Apr 2026 · 15 likes Where two conditions pull in opposite directions, that is a clinical judgement rather than a lookup, and it is the kind of question a forum answers worst. I am not the…
Manufacturer assistance programmes and their eligibility rules Replied, post #12 · Access › Pricing · 19 Mar 2026 · 3 likes The failure mode on manufacturer assistance programmes is boring rather than dramatic. It is almost always the step everyone assumes was done correctly because it is…
Adducts: sodium, potassium, and the peak you did not expect — does this still hold? Replied, post #71 · Analytics › Mass spectrometry · 16 Mar 2026 · 9 likes Post #69 put the caveat in the right place and I want to underline it. I would be cautious about generalising from the Adducts example above. It is a good example. It…
Ultrasound and skinfolds: operator dependence in practice — what changed since Replied, post #25 · Outcomes › Body composition · 16 Mar 2026 · 33 likes On Ultrasound and skinfolds I would separate what is worth knowing from what is worth acting on. The first list is long and the second is short, and conflating them is…
Oral versus injected administration claims for BPC-157 Replied, post #12 · Compounds › Repair & healing peptides · 13 Mar 2026 · 9 likes Analytical identity of BPC-157: a 15-residue peptide with an unambiguous mass (≈1419.5 Da). Identity confirmation by LC-MS is trivially easy, which means there is no…
Coming back to: Time to steady state after a dose increase Replied, post #13 · Pharmacology › Pharmacokinetics · 12 Mar 2026 · 29 likes Right, and stated more narrowly than I would have dared to state it.
Splitting a weekly dose in two: the pharmacokinetic argument against Replied, post #26 · Practice › Dosing & titration · 12 Mar 2026 · 29 likes Dose and effect are not linear across the studied range for every compound in this class. Assuming a doubled dose gives a doubled effect is the reasoning error behind…
Reading a preclinical wound-healing model and its relevance to a human tendon — a second… Replied, post #33 · Compounds › Repair & healing peptides · 11 Mar 2026 · 0 likes That is the distinction I keep failing to hold on to. Written down now.
Revisiting: Absolute versus relative contraindications Replied, post #39 · Safety › Contraindications · 8 Mar 2026 · 1 like Somebody's condition being on a list does not settle the decision, and somebody's condition being absent from one does not either.
[2026 update] Confounding by indication, explained with a concrete example Replied, post #113 · Evidence › Study critique · 5 Mar 2026 · 25 likes Attrition is the failure mode most likely to invalidate a result and the least likely to be discussed. Differential attrition between arms is the specific thing to look…
A plateau that disappeared when I changed how I measured — the long version Replied, post #11 · Outcomes › Progress reports · 25 Feb 2026 · 0 likes Reading rather than answering, but this is the post I would point somebody at.
Interpreting a result that disagrees with the supplier's certificate Replied, post #128 · Sourcing › Independent verification · 18 Feb 2026 · 3 likes It does not extend to lots nobody has seen, it is not a recommendation, and it says nothing about anything other than what was measured.
Second pass at: Identical chromatograms across two different lots Replied, post #13 · Sourcing › Red flags · 17 Feb 2026 · 2 likes Where somebody posts a concern, ask what would resolve it before arguing about it. Half of these threads end with a document nobody had asked for. That is the shape of…
[2026 update] Reading a supplementary appendix and finding the interesting part Replied, post #31 · Evidence › Trials · 8 Feb 2026 · 0 likes On Reading a supplementary appendix, the part that usually goes wrong is that the question is asked as though it has one answer. It has a range, and the width of the…
Follow-up: Search filters: what is missing Replied, post #29 · Meta › Site feedback · 8 Feb 2026 · 10 likes Narrowing post #28, because the general version has more than one answer. A methods point on Search filters rather than a substantive one: if the comparison is not like…
Second pass at: Circumference measurements as a poor man's composition estimate Replied, post #44 · Outcomes › Body composition · 24 Jan 2026 · 10 likes Percentage body fat is a ratio, so it changes when either component changes. A rising percentage during weight loss is arithmetic before it is physiology. This is the…
Liver enzymes drifting down and what that usually means Replied, post #47 · Clinical › Bloodwork · 17 Jan 2026 · 11 likes The most useful reply I ever got about liver enzymes drifting was a request to state my units. It sounds like pedantry and it has saved me twice.
Distinguishing expected GI effects from something that needs urgent attention Replied, post #98 · Practice › Side effects · 14 Jan 2026 · 0 likes 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…
What a good consultation looks like from the other side Replied, post #9 · Clinical › Prescriber conversations · 11 Jan 2026 · 25 likes Post #7 is the version of this I will quote in future. One addition. Having read the whole good consultation thread before replying: the question in the first post has…
Measurement error in home scales, with a worked standard deviation — the long version Replied, post #5 · Research Methods › Statistics · 31 Dec 2025 · 4 likes Building on post #2 rather than restating it. The arithmetic on Measurement error in home scales is the easy part and it is where the errors are, which is an…
Follow-up: Bug report: the reconstitution calculator and a rounding edge case Replied, post #6 · Data & Tools › Calculators · 19 Dec 2025 · 32 likes Nothing to add, except that this is the answer I would give if asked.
[2026 update] Whether protein timing matters at a large deficit Replied, post #6 · Nutrition & Training › Protein & intake · 16 Dec 2025 · 10 likes Protein sources: animal sources (meat, fish, eggs, dairy) are denser and easier to hit targets with. Plant sources require higher volume. Neither is nutritionally…
[2026 update] Storing lyophilised material long term: what governs the shelf life Replied, post #31 · Practice › Storage & stability · 3 Dec 2025 · 0 likes A methods point on Storing lyophilised material long term rather than a substantive one: if the comparison is not like for like, the difference you are measuring is the…
Coming back to: Semaglutide in people without diabetes: what the evidence base looks like Replied, post #12 · Compounds › Semaglutide · 28 Nov 2025 · 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…
EMA product information as a primary source Replied, post #71 · Regional › European Union · 15 Nov 2025 · 8 likes Everything in post #68 holds. The case it does not cover is the one I have. Prescription status is harmonised at the level of the authorisation and the practical route…
Conference abstracts as evidence: the weakest common citation Replied, post #4 · Evidence › Preprints · 28 Oct 2025 · 20 likes Always label it as a preprint in any discussion. A preprint is not a published trial and it is not settled knowledge. Use it for hypothesis generation and for…
An inter-laboratory comparison on one lot, tabulated — what changed since Replied, post #10 · Analytics › Method validation · 27 Oct 2025 · 6 likes Confirming post #7 from a second method, which matters more than confirming it from a second person. The most useful single question about a method: what would it fail…
SURMOUNT-4 and what withdrawal data does and does not tell an individual — one year on Replied, post #61 · Compounds › Tirzepatide · 21 Oct 2025 · 4 likes Worth separating SURMOUNT-4 as a question about the compound from SURMOUNT-4 as a question about the documentation. They get answered by different people and only one…
A 40-week log with the measurement method stated Replied, post #25 · Outcomes › Progress reports · 17 Oct 2025 · 23 likes If a pattern survives a rolling-mean treatment it is worth explaining. Most do not, and that is the useful finding.
Cagrilintide's dosing interval and the pharmacokinetics behind it Replied, post #16 · Compounds › Cagrilintide & amylin analogues · 1 Oct 2025 · 31 likes Coming back to post #14, because the follow-up matters more than the original answer. The pharmacokinetics support weekly dosing comfortably. What the pharmacokinetics…
Citing a preprint in a maintained document: our rule and its reasoning — does this still… Replied, post #57 · Evidence › Preprints · 30 Sep 2025 · 30 likes Always label it as a preprint in any discussion. A preprint is not a published trial and it is not settled knowledge. Use it for hypothesis generation and for…
The nausea timeline across the first four weeks, with a tabulated log — what changed since Replied, post #9 · Practice › Side effects · 23 Sep 2025 · 1 like 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…
Coming back to: Oxidation and deamidation mass shifts, tabulated Replied, post #37 · Analytics › Mass spectrometry · 18 Sep 2025 · 3 likes This follows post #35 rather than contradicting it. Positional isomers and epimers are mass-identical. Any argument that a mass result rules them out is wrong, and it…
AOD-9604 and the fragment hypothesis, revisited Replied, post #15 · Compounds › Other compounds · 17 Sep 2025 · 28 likes Noted, and thank you for writing it out rather than summarising it.
Hypertension improvement and when medication needs revisiting Replied, post #27 · Clinical › Comorbidities · 27 Aug 2025 · 6 likes Answering the question post #25 raises rather than the one it answers. Two sentences on hypertension improvement and then I will stop, because the rest is speculation…
When a preprint is the best available evidence and we say so Replied, post #77 · Evidence › Preprints · 20 Aug 2025 · 0 likes Post #75 and I disagree about the size of the effect, not about the direction. Adding the boring version of preprint, because the interesting version keeps getting…
Power cut for eleven hours: how I assessed it afterwards Replied, post #26 · Practice › Storage & stability · 17 Aug 2025 · 16 likes Grateful for the specificity. Vague answers to this question are what sent me looking.
Request: a diff view for wiki revisions — the long version Replied, post #31 · Meta › Feature requests · 16 Aug 2025 · 0 likes Post #30 and I disagree about the size of the effect, not about the direction. Duplicate requests: if several people request the same feature, the requests often get…
How to research a compound with no human data without deceiving yourself Replied, post #118 · Compounds › Other compounds · 5 Aug 2025 · 13 likes Post #116 put the caveat in the right place and I want to underline it. Where a compound has a legitimate pharmaceutical form somewhere in the world, the labelling for…
Pooling trials with different estimands — what changed since Replied, post #7 · Evidence › Meta-analyses · 27 Jul 2025 · 0 likes Helpful, and easy to find again, which is half of what a good reply is.
Sequence verification for an obscure compound: how it is done Replied, post #98 · Compounds › Other compounds · 20 Jul 2025 · 0 likes Counterpoint on sequence verification, offered without confidence: the same observation is consistent with a much duller explanation, and nobody has ruled the dull one…
A field-by-field walk through a certificate of analysis Replied, post #53 · Analytics › COA interpretation · 15 Jul 2025 · 6 likes A certificate 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 not nothing.…
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly Replied, post #128 · Compounds › Tirzepatide · 5 Jul 2025 · 2 likes Coming back to post #126, because the follow-up matters more than the original answer. Heart rate rises modestly across this class, tirzepatide included. It is…
[2026 update] Cold solution and stinging: the simplest fix Started this topic · Practice › Administration · 28 Jun 2025 · 21 likes Cold solution and stinging: the simplest fix — setting out what I have, and where I think it stops being reliable. A follow-up question about Cold solution and stinging…
Insulin combinations and hypoglycaemia risk Replied, post #19 · Practice › Interactions · 24 Jun 2025 · 21 likes I had written a reply contradicting post #16 and deleted it. Here is what survived. A pharmacist can answer most questions in this subcategory in a few minutes with…
Interim analyses and stopping rules — does this still hold? Started this topic · Evidence › Trials · 21 Jun 2025 · 33 likes Interim analyses and stopping rules — does this still hold? — that is the question, and I have not found it answered plainly anywhere I have looked. Interim analyses…
Hepatic steatosis: what the MASH trial evidence supports Replied, post #66 · Clinical › Comorbidities · 16 Jun 2025 · 0 likes This follows post #63 rather than contradicting it. I have no financial interest in anything named in this thread and I want to say so before I comment on hepatic…
The CagriSema phase 2 paper and what a fixed combination buys — the long version Replied, post #107 · Compounds › Cagrilintide & amylin analogues · 15 Jun 2025 · 8 likes Amylin signalling is distinct from GLP-1 signalling. Amylin slows gastric emptying and promotes satiety through a different receptor and different neural pathways. The…
Half-life, steady state, and accumulation worked through Replied, post #117 · Pharmacology › Pharmacokinetics · 14 Jun 2025 · 5 likes I read post #113 twice before replying, because I had assumed the opposite. Half-life: semaglutide ≈ 165–184 hours (about a week). Tirzepatide ≈ 5 days. Liraglutide ≈…
Second pass at: Semaglutide and alcohol: what is actually documented Replied, post #12 · Compounds › Semaglutide · 11 Jun 2025 · 1 like Distinguishing three things in the Semaglutide and alcohol discussion that keep getting used interchangeably: the observation, the proposed mechanism, and the…
Follow-up: Tracking intake honestly when appetite is absent Replied, post #33 · Nutrition & Training › Protein & intake · 7 Jun 2025 · 0 likes Tracking intake has been discussed here with more heat than it deserves, mostly because two definitions have been in play the whole time.
Reading a chromatogram someone posted without axes Replied, post #38 · Analytics › HPLC & UHPLC · 28 May 2025 · 4 likes Detection wavelength: 214 nm detects the peptide bond and is relatively insensitive to composition. 280 nm detects aromatic residues and is strongly…
DXA precision and the least significant change for lean mass — the long version Replied, post #106 · Outcomes › Body composition · 27 May 2025 · 3 likes Post #103 answers the question as asked. The question underneath it is different. Second-hand on DXA precision, so weight it accordingly — someone whose method I trust…
Coming back to: Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #6 · Compounds › Semaglutide · 25 May 2025 · 5 likes On the injection-day question: the labelling for licensed semaglutide allows the day to be changed provided at least two days separate the two injections. That interval…
Obstructive sleep apnoea and a hard endpoint in this class Replied, post #85 · Clinical › Comorbidities · 15 May 2025 · 18 likes I will take the caveat as seriously as the claim, which is the point of putting it there.
Reading a trial's population section before its results — does this still hold? Replied, post #62 · Evidence › Trials · 3 May 2025 · 7 likes A comparator at less than its maximum licensed dose changes what a head-to-head result means. It does not invalidate the trial; it narrows the claim the trial supports.
Adducts: sodium, potassium, and the peak you did not expect Replied, post #72 · Analytics › Mass spectrometry · 19 Apr 2025 · 20 likes Post #70 put the caveat in the right place and I want to underline it. Quantitation by MS: most quantitation is done by LC-UV detection at 214 nm, not by MS, because…
Journal club: STEP 1 and the treatment-policy estimand — does this still hold? Replied, post #4 · Evidence › Journal club · 16 Apr 2025 · 22 likes Where I part company with the opening post, and it is a narrow parting. I would be cautious about generalising from the STEP 1 example above. It is a good example. It…
Reading order for a first week here, and what to skip until later Replied, post #78 · Start Here › Welcome · 11 Apr 2025 · 9 likes Source for the reading order figure, since it was asked for. It is in the discussion rather than the abstract, which is why the version circulating is stronger than the…
Retatrutide dose escalation in the published trials Replied, post #105 · Compounds › Retatrutide · 8 Apr 2025 · 8 likes Answering the question post #102 raises rather than the one it answers. On dose escalation: the published protocols escalated in defined steps over defined intervals,…
[2026 update] Citation sweep results: how many references did not say what was claimed Replied, post #21 · Meta › Wiki maintenance · 7 Apr 2025 · 1 like That matches how I use it. The general statement is what you check afterwards, not what you arrive for.
Obstructive sleep apnoea and a hard endpoint in this class Replied, post #41 · Clinical › Comorbidities · 24 Mar 2025 · 0 likes Adding the measurement that post #38 says would settle it. A note on how obstructive sleep apnoea gets discussed rather than on obstructive sleep apnoea itself: the…
A promotion I argued against, and why I lost Replied, post #131 · Documentation › Doc review · 13 Mar 2025 · 11 likes The most useful review comment names a sentence and says what is wrong with it. General approval and general concern are both hard to act on. Correct me on the…
Preparing for an appointment: one page, three questions Replied, post #10 · Clinical › Prescriber conversations · 7 Mar 2025 · 0 likes Prescribers reading this subcategory consistently say the most difficult consultations are the ones where information is withheld rather than the ones with difficult…
Individual participant data versus aggregate data Replied, post #21 · Evidence › Meta-analyses · 5 Mar 2025 · 0 likes Fixed-effects versus random-effects models: fixed-effects assumes all studies are estimating the same thing and variation is sampling error. Random-effects assumes…
Adducts: sodium, potassium, and the peak you did not expect Replied, post #25 · Analytics › Mass spectrometry · 4 Mar 2025 · 7 likes Adducts — sodium and potassium especially — shift the observed mass in predictable increments. A report showing an unexplained plus twenty-two is usually showing you a…
Charge states for a 4 kDa peptide, worked through Replied, post #14 · Analytics › Mass spectrometry · 3 Mar 2025 · 2 likes Seconded. It reads as careful rather than confident, which is the right register.
Requesting a page: what makes a good request Replied, post #9 · Documentation › Wiki requests · 27 Feb 2025 · 0 likes A calculator request and a document request are different things, and a calculator without a document explaining it is worse than neither.
Anxiety in the first weeks: drug, situation, or both Replied, post #50 · Wellbeing › Mental health · 14 Feb 2025 · 10 likes I have been on both sides of the anxiety argument in this category within eighteen months, which should tell you how strong the evidence for either side is.
Coming back to: Official shortage notices and what they authorise Replied, post #17 · Access › Shortages · 14 Feb 2025 · 4 likes Pharmacy-level availability varies enormously during a shortage, so two honest accounts from the same city can be opposite. I have left out the parts I could not verify.
Journal club: SUSTAIN 6 and its retinopathy signal — does this still hold? Replied, post #38 · Evidence › Journal club · 7 Feb 2025 · 1 like Helpful, and easy to find again, which is half of what a good reply is.
Second pass at: Manufacturer assistance programmes and their eligibility rules Started this topic · Access › Pricing · 20 Jan 2025 · 18 likes Second pass at: Manufacturer assistance programmes and their eligibility rules — setting out what I have, and where I think it stops being reliable. Two things I would…
How compounding permissions changed when supply normalised Replied, post #9 · Sourcing › Regulatory · 16 Jan 2025 · 2 likes Picking up post #6: that is the part I would want checked first. If you can confirm or contradict a position for your own region, please date the answer. An undated…
About the Vendor reports category Replied, post #4 · Sourcing › Vendor reports · 14 Jan 2025 · 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…
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Replied, post #50 · Data & Tools › Calculators · 13 Jan 2025 · 0 likes Rounding behaviour is where two tools disagree. One rounding to the nearest graduation and one to two decimal places will produce different advice from identical…
Follow-up: Oral contraceptives and delayed emptying: what the data shows Replied, post #35 · Practice › Interactions · 8 Jan 2025 · 25 likes The arithmetic in post #34 is right; the assumption feeding it is the part to check. Oral medications with a narrow therapeutic index are the ones where that matters…
Preservatives: function, testing, and limits Started this topic · Pharmacology › Formulation chemistry · 6 Jan 2025 · 16 likes Preservatives: function, testing, and limits — setting out what I have, and where I think it stops being reliable. An honest uncertainty about preservatives rather than…
Books and papers worth reading that are not about this at all Replied, post #9 · Lounge › Off topic · 3 Jan 2025 · 21 likes Following this. I have the same question and no better information than the first post.
Revisiting: Holding a dose indefinitely: is there a documented downside? Replied, post #21 · Practice › Dosing & titration · 28 Dec 2024 · 6 likes Helpful, and easy to find again, which is half of what a good reply is.
Second pass at: Regression to the mean in progress reports Replied, post #9 · Research Methods › Statistics · 26 Dec 2024 · 5 likes Where an analysis was changed after seeing the data, the honest thing is to report both and say which was pre-specified. Reporting the observation and leaving the…
What a seizure notice actually says Replied, post #15 · Sourcing › Logistics · 12 Dec 2024 · 8 likes Document outcomes rather than forecasting them. A forecast in this category reads as reassurance and is not one.
Coming back to: Renal impairment: what the labelling says about dose Replied, post #21 · Clinical › Special populations · 12 Dec 2024 · 23 likes Helpful, and easy to find again, which is half of what a good reply is.
When "no data" is the complete and final answer Replied, post #37 · Compounds › Other compounds · 8 Dec 2024 · 3 likes On post #33 — agreed on the reasoning, with one qualification. Thymosin alpha-1 has a regulatory history in several jurisdictions and a real clinical literature, which…
Injection-site reactions: describing them precisely enough to be useful Replied, post #7 · Practice › Side effects · 16 Nov 2024 · 21 likes Tracking severity on a simple scale with dates is far more useful than describing it afterwards. Memory smooths a symptom curve into a story that fits what you expected.
Follow-up: Recovery when intake is low: what to cut first Replied, post #5 · Nutrition & Training › Resistance training · 3 Nov 2024 · 5 likes Building on post #4 rather than restating it. Recovery: heavier training on a energy deficit and on a compound that slows gastric emptying requires attention to…
Coming back to: The nausea timeline across the first four weeks, with a tabulated log Replied, post #23 · Practice › Side effects · 28 Oct 2024 · 8 likes Picking up post #22: that is the part I would want checked first. Recognition and grading: nausea ranges from "noticeable" to "limiting". Constipation ranges from mild…
Coming back to: Recording a dissent on a document rather than suppressing it Started this topic · Documentation › Doc review · 19 Oct 2024 · 1 like Posting this under the heading it deserves: Recording a dissent on a document rather than suppressing it Everything below is what sits behind that. Recording a dissent,…
Journal club: SURPASS-2 and the semaglutide 1 mg comparator Replied, post #56 · Evidence › Journal club · 27 Sep 2024 · 0 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. Filing this…
Revisiting: How to bring a laboratory report to an appointment usefully Replied, post #33 · Clinical › Bloodwork · 16 Sep 2024 · 3 likes Bringing the actual numbers with intervals to an appointment is far more useful than describing them, and clinicians here consistently say so.
People with a low starting BMI: where the evidence stops Replied, post #2 · Clinical › Special populations · 15 Sep 2024 · 0 likes The opening post describes the usual case. This is about the unusual one. Body weight at the extremes of the studied range affects exposure and the trials rarely…
Correlation in a self-tracked dataset: what it can support Replied, post #92 · Research Methods › Statistics · 24 Aug 2024 · 14 likes No notes. Posting so the count is not one.
Correlation in a self-tracked dataset: what it can support Replied, post #71 · Research Methods › Statistics · 23 Aug 2024 · 26 likes Post #70 is the version of this I will quote in future. One addition. Number needed to treat: how many people need to be treated to prevent one bad outcome or achieve…
Coming back to: Purity assay versus content assay: two different numbers Replied, post #32 · Analytics › COA interpretation · 10 Aug 2024 · 5 likes The number people quote for Purity assay versus content assay is a central estimate presented without its interval, and the interval is wide enough that the estimate is…
PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one —… Replied, post #7 · Compounds › Oral incretins · 28 Jul 2024 · 0 likes Timing consistency matters more for oral dosing than for weekly injection, because absorption depends on the state of the stomach and the state of the stomach varies…
How this community labels and discusses unrefereed work Replied, post #112 · Evidence › Preprints · 25 Jul 2024 · 24 likes Coming back to post #110, because the follow-up matters more than the original answer. How to cite a preprint: author last name, first initial, et al. Title. Server…