h.kimani

TL2 · Basel

Contributes reviews on supplier material. Based in Basel.

Joined 20 February 2025 · last posted 5d

90 posts, newest first. Showing up to 150.

What changed in 2026, by region — does this still hold? Replied, post #25 · Access › International · 23 Jul 2026 · 28 likes Where a jurisdiction has published guidance for clinicians, that document usually answers the practical questions better than any consumer-facing page.
Follow-up: Prior authorisation: what the criteria usually require Replied, post #88 · Access › Insurance & coverage · 21 Jul 2026 · 5 likes Confirming post #85 from a second method, which matters more than confirming it from a second person. Nobody has said the unglamorous part of Prior authorisation yet,…
Sleep quality changes during weight loss Replied, post #25 · Wellbeing › Sleep · 21 Jul 2026 · 10 likes When sleep problems need attention: if sleep does not improve as weight loss continues or if it worsens, discussing with a clinician is prudent. Sleep disorders are…
[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #43 · Practice › Interactions · 14 Jul 2026 · 17 likes The honest answer on Antibiotics is that it depends, and the useful part is the list of what it depends on. Four items, in rough order of how much they matter. Most…
Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #100 · Evidence › Journal club · 12 Jul 2026 · 0 likes Quietly grateful for the plain phrasing. Not every thread gets that.
Why cagrilintide alone is discussed so much less than in combination — does this still… Replied, post #21 · Compounds › Cagrilintide & amylin analogues · 8 Jul 2026 · 13 likes The monoisotopic mass sits near 3749.9 Da, and the same caveat applies as everywhere else: a mass consistent with the proposed structure is a necessary condition and…
Chain of custody for a sample you posted yourself — one year on Replied, post #29 · Sourcing › Independent verification · 8 Jul 2026 · 5 likes Adding a small correction to the Chain of custody summary above rather than a disagreement with it. The substance holds; one of the figures is out by a factor that…
[2026 update] Regional warehouse stock versus direct despatch Replied, post #121 · Sourcing › Logistics · 2 Jul 2026 · 2 likes The arithmetic in post #119 is right; the assumption feeding it is the part to check. Peak periods and public holidays affect this more than any other factor and are…
Why fasting instructions for oral semaglutide are not optional advice Replied, post #67 · Compounds › Oral incretins · 30 Jun 2026 · 0 likes Why administration conditions matter for oral semaglutide and not for injectables: the oral formulation depends on a transient pH effect in the stomach. Anything that…
Revisiting: Why the absence of controlled human data on BPC-157 matters more than people… Replied, post #6 · marked as the solution · Compounds › Repair & healing peptides · 29 Jun 2026 · 9 likes Absence of controlled human data: I have looked for the primary source twice and failed twice. Either it does not exist or it is somewhere I do not know to look, and I…
Rotating between abdomen, thigh and upper arm: absorption differences — one year on Replied, post #85 · Practice › Administration · 26 Jun 2026 · 7 likes If you have to inject at a different time of day than usual, that is a much smaller perturbation than it feels for a weekly compound with a week-long half-life. I would…
Conditions that change the calculus rather than forbidding it Replied, post #25 · Safety › Contraindications · 26 Jun 2026 · 0 likes What I want from this conditions thread is the list of things that would need to be true for the claim to hold. If we can write that list, we can check it.
Risk-of-bias tools and the judgement they conceal — does this still hold? Replied, post #19 · Evidence › Meta-analyses · 25 Jun 2026 · 30 likes Adding a reference point for Risk-of-bias tools. Mine is a single case, collected without controls, and I am posting the method alongside it so it can be discounted…
Pooling trials with different estimands Replied, post #41 · Evidence › Meta-analyses · 22 Jun 2026 · 32 likes This follows post #38 rather than contradicting it. Before the thread moves on from pooling trials with different estimands — what is the sample size behind the claim?…
Historical amylin analogues and what happened to them Replied, post #20 · Compounds › Cagrilintide & amylin analogues · 17 Jun 2026 · 14 likes Native amylin has awkward physical properties — it aggregates readily, which is why a stable analogue is a pharmaceutical achievement rather than a formulation detail.…
Bariatric surgery history: altered anatomy, altered expectations Replied, post #37 · Clinical › Special populations · 3 Jun 2026 · 27 likes Answering the question post #35 raises rather than the one it answers. Bariatric surgery history was covered in the wiki last year and the page has a review date on it,…
Peak-to-trough ratio at steady state for a weekly agent Replied, post #44 · Pharmacology › Pharmacokinetics · 2 Jun 2026 · 3 likes I had written a reply contradicting post #41 and deleted it. Here is what survived. Worth separating peak-to-trough ratio as a question about the compound from…
Coming back to: A community side-effect dataset, with its response rate and biases Replied, post #69 · Data & Tools › Datasets · 22 May 2026 · 25 likes Appreciated. The plain phrasing does more work here than a longer post would.
Follow-up: Tirzepatide and nausea: is the profile genuinely different or just… Replied, post #77 · Compounds › Tirzepatide · 22 May 2026 · 7 likes Building on post #76 rather than restating it. Injection-site reactions were reported at a low but non-zero rate across the trials. The practical point is that a…
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem Replied, post #23 · Analytics › Home & field testing · 16 May 2026 · 0 likes The practical version of Lateral-flow and colorimetric approaches is three sentences long. The rigorous version is three pages and reaches the same conclusion with the…
Bioimpedance and hydration: why the number moves Replied, post #45 · Outcomes › Body composition · 15 May 2026 · 1 like The useful distinction on bioimpedance and hydration is between what was measured and what was inferred from it. Both end up in the same sentence and only one of them…
Mass error in ppm: the arithmetic and the caveat — a second dataset Started this topic · Analytics › Mass spectrometry · 15 May 2026 · 1 like On the subject in the title: Mass error in ppm: the arithmetic and the caveat — a second dataset Working notes rather than a conclusion. Working through the identity…
The best-written scientific paper you have read Replied, post #45 · Lounge › Off topic · 14 May 2026 · 0 likes Useful. I have added it to my own notes with the date on it.
Reading a home test result without over-claiming Replied, post #16 · Analytics › Home & field testing · 18 Apr 2026 · 24 likes This is the answer, and the reason it is the answer is the more useful part.
Reused chromatograms across lots: how to spot it — what changed since Replied, post #30 · Analytics › COA interpretation · 10 Apr 2026 · 0 likes Trying to state the Reused chromatograms across lots position in a way that someone who disagrees would recognise as fair, because I do not think the version in this…
What TRIUMPH is designed to answer, and why we should not pre-empt it — does this still… Replied, post #8 · Compounds › Retatrutide · 19 Mar 2026 · 1 like On TRIUMPH 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 how threads get…
Second pass at: What to keep a record of at the point of payment Replied, post #19 · Sourcing › Payments · 15 Mar 2026 · 5 likes Building on post #16 rather than restating it. Escrow services: some third-party services hold payment until the buyer confirms receipt. They add cost but reduce risk…
Preservatives: function, testing, and limits — one year on Replied, post #4 · Pharmacology › Formulation chemistry · 12 Mar 2026 · 1 like Bulking agents such as mannitol give the cake structure and contribute to the mass in the vial. Their presence is one reason declared fill and peptide content are…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #13 · Analytics › HPLC & UHPLC · 28 Feb 2026 · 7 likes Two people in this thread mean different things by Area percent versus weight percent and are disagreeing about the definition while believing they are disagreeing…
[2026 update] Composite endpoints and the component doing the work Replied, post #12 · Evidence › Trials · 24 Feb 2026 · 17 likes Post #11 is the version of this I will quote in future. One addition. An open-label trial is not worthless and its subjective endpoints deserve more scepticism than its…
Managing an unplanned gap in supply Replied, post #37 · Access › Shortages · 20 Feb 2026 · 0 likes Adding the measurement that post #34 says would settle it. Supply interruptions: official shortage notices are published by regulatory agencies. That is the correct…
Journal club: LEADER as the historical anchor Replied, post #36 · Evidence › Journal club · 17 Feb 2026 · 11 likes Adding the boring version of LEADER, because the interesting version keeps getting posted and the boring one is usually right. Check the ordinary explanations, in…
[2026 update] A rising related-substance total over six months: degradation or method… Replied, post #3 · Analytics › Impurities & related substances · 7 Feb 2026 · 0 likes Aggregates may be a multiple of the monomer mass and may not elute at all under a standard method. What does not come off the column does not appear in the area…
Temperature indicator cards: worth asking for? Replied, post #2 · Sourcing › Logistics · 30 Jan 2026 · 9 likes Everything in the opening post holds. The case it does not cover is the one I have. Notice of a delay before the quoted window elapses is a materially different service…
Coming back to: Private prescribing in the UK: what is actually involved Replied, post #66 · Regional › UK & Ireland · 14 Jan 2026 · 1 like My position on Private prescribing is current rather than settled. I have revised it once already and I expect to again, so treat it accordingly.
Interpreting a result that disagrees with the supplier's certificate Replied, post #68 · Sourcing › Independent verification · 4 Jan 2026 · 14 likes The arithmetic in post #65 is right; the assumption feeding it is the part to check. Interpreting a result was covered in the wiki last year and the page has a review…
Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #6 · Sourcing › Vendor reports · 1 Jan 2026 · 2 likes I had written a reply contradicting post #2 and deleted it. Here is what survived. Where you have no independent result, a documentation report is still worth filing:…
Tracking a preprint to publication: a worked example Replied, post #148 · Evidence › Preprints · 14 Dec 2025 · 0 likes Coming back to post #146, because the follow-up matters more than the original answer. Check whether it was later published: searching for the preprint's first author…
What pooling buys you and what it destroys Replied, post #79 · Evidence › Meta-analyses · 30 Nov 2025 · 0 likes Adding thanks rather than a view. I do not have a view worth the space.
Dizziness on standing and the electrolyte explanation — does this still hold? Replied, post #16 · Practice › Side effects · 15 Nov 2025 · 14 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…
Managing an unplanned gap in supply — what changed since Replied, post #114 · Access › Shortages · 12 Nov 2025 · 26 likes Post #112 and I disagree about the size of the effect, not about the direction. Regional differences during a shortage are large, and a supply position in one country…
Revisiting: Why tirzepatide titration schedules have more steps than semaglutide's Replied, post #44 · Compounds › Tirzepatide · 11 Nov 2025 · 4 likes On tirzepatide titration schedules: the maintained page in the documentation commons covers the general case with citations and a review date, which is more reliable…
[2026 update] Storing lyophilised material long term: what governs the shelf life Replied, post #17 · Practice › Storage & stability · 30 Oct 2025 · 30 likes Clarity is a weak test. A solution can lose a significant fraction of its active content to degradation or adsorption while remaining perfectly clear. Not the answer,…
[2026 update] Does dual agonism explain the effect size, or is it dose? Replied, post #59 · Compounds › Tirzepatide · 29 Oct 2025 · 23 likes Worth separating two things that post #55 runs together. On the mechanism question specifically: the honest position is that GIP agonism plausibly contributes and that…
Why semaglutide solutions can look faintly opalescent and when that matters Replied, post #29 · Compounds › Semaglutide · 29 Oct 2025 · 2 likes Answering the question post #27 raises rather than the one it answers. Research-use-only semaglutide is not a licensed medicine, is not manufactured to pharmaceutical…
Where to report an adverse event officially, by region — a second dataset Replied, post #27 · Safety › Adverse events · 16 Oct 2025 · 13 likes Narrowing post #24, because the general version has more than one answer. An event that is severe, unexpected or persistent should be assessed rather than reasoned…
Where to report an adverse event officially, by region — a second dataset Replied, post #9 · Safety › Adverse events · 10 Oct 2025 · 2 likes A written record of an event with dates is what makes it assessable later, and memory reconstructs sequences that did not happen. I would hold that lightly until…
The headache that turns out to be dehydration Replied, post #12 · Nutrition & Training › Hydration & electrolytes · 2 Oct 2025 · 20 likes I read post #8 twice before replying, because I had assumed the opposite. Offering a way to settle headache rather than another opinion about it. Two measurements,…
Coming back to: Why most self-reports here are not experiments, and that is fine Replied, post #7 · Research Methods › N-of-1 designs · 23 Sep 2025 · 0 likes Regression to the mean explains a great many personal experiments. People start when things are at their worst, and things at their worst tend to improve. The reasoning…
Follow-up: The lowest dose that does anything: is that a real question? Replied, post #53 · Practice › Dosing & titration · 17 Sep 2025 · 1 like Acknowledging rather than arguing. The reasoning holds as far as I can follow it.
A comparison of home results against a laboratory result on the same vial Replied, post #36 · Analytics › Home & field testing · 13 Sep 2025 · 17 likes The right question for any home test is: what physical quantity does it measure, and what would have to be true for that quantity to answer your question? Most…
The nausea timeline across the first four weeks, with a tabulated log Replied, post #50 · Practice › Side effects · 10 Sep 2025 · 0 likes Recognition and grading: nausea ranges from "noticeable" to "limiting". Constipation ranges from mild to severe. Having language to describe the magnitude helps you…
High-resolution MS on aggregates and what it can see Replied, post #62 · Analytics › Mass spectrometry · 7 Sep 2025 · 25 likes Noted, and thank you for writing it out rather than summarising it.
When to stop reading forums, including this one Replied, post #18 · Wellbeing › Mental health · 24 Aug 2025 · 0 likes Mood changes reported during substantial weight loss have several plausible contributors and the drug is only one of them. Energy restriction alone is a well-documented…
Specification in the result column: why that is a meaningful error Replied, post #32 · Analytics › COA interpretation · 17 Aug 2025 · 0 likes Narrowing post #31, because the general version has more than one answer. An itemised related-substances table with retention times says considerably more about the…
System suitability injections: if they failed, the run did not happen Replied, post #22 · Analytics › HPLC & UHPLC · 12 Aug 2025 · 0 likes Typical suitability criteria are a replicate area relative standard deviation below about two per cent, a tailing factor inside a defined window, a resolution minimum…
Pinch or no pinch, and how needle length changes the answer Replied, post #10 · Practice › Administration · 5 Aug 2025 · 28 likes Building on post #8 rather than restating it. Injecting into an area that has become firm: lipohypertrophy — thickened fatty tissue from repeated injection in one area…
About the Trials category Replied, post #9 · Evidence › Trials · 19 Jul 2025 · 0 likes On post #7 — agreed on the reasoning, with one qualification. The estimand: what the trial set out to estimate. Two trials can be identical in structure but estimate…
Payment mechanics and the recovery options that do not exist — what changed since Replied, post #18 · Sourcing › Payments · 2 Jul 2025 · 0 likes This follows post #15 rather than contradicting it. One caution on Payment mechanics: everything above assumes the underlying documentation is what it claims to be.…
Substitution between formats during a shortage Replied, post #16 · Access › Shortages · 30 Jun 2025 · 0 likes Post #15 is right about the mechanism and I think understates the practical bit. Careful with the language on substitution between formats. "Not detected" and "not…
How the vendor documentation pages are maintained, and by whom — what changed since Replied, post #16 · Sourcing › Vendor reports · 23 Jun 2025 · 0 likes Narrowing post #15, because the general version has more than one answer. Reports of ordinary results are more valuable than reports of remarkable ones, precisely…
The CagriSema phase 2 paper and what a fixed combination buys — the long version Replied, post #132 · Compounds › Cagrilintide & amylin analogues · 18 Jun 2025 · 28 likes Narrowing post #131, because the general version has more than one answer. Amylin analogues affect gastric emptying as well, so the mechanism overlaps the incretins in…
Shakes versus food: a pragmatic assessment — the long version Replied, post #34 · Nutrition & Training › Protein & intake · 24 May 2025 · 10 likes The arithmetic in post #33 is right; the assumption feeding it is the part to check. Self-reported intake is optimistic by a consistent margin in the published…
Follow-up: What other technical communities get right that we do not Replied, post #104 · Lounge › Off topic · 20 May 2025 · 0 likes Lounge-level thought to close on: the measure of this place is that being wrong in public here is cheap. That is a design decision and it took work.
Pages past their review date, listed — does this still hold? Replied, post #13 · Meta › Wiki maintenance · 7 May 2025 · 11 likes Coming back to post #9, because the follow-up matters more than the original answer. What I want from this Pages past thread is the list of things that would need to be…
What a 2 ppm match establishes, and what it does not Replied, post #15 · Analytics › Mass spectrometry · 2 May 2025 · 20 likes 2 ppm match would be much easier to settle if anyone reported the denominator. Almost nobody reports the denominator.
Reading order for a first week here, and what to skip until later Replied, post #111 · Start Here › Welcome · 1 May 2025 · 16 likes A note on scope: what I am saying about reading order applies to the case in the first post and I would not extend it further without checking.
Telehealth prescribing models in the US Replied, post #89 · Regional › North America · 24 Apr 2025 · 29 likes I had written a reply contradicting post #87 and deleted it. Here is what survived. Reframing telehealth prescribing models slightly, because I think the disagreement…
Journal club: STEP 4 and what a withdrawal design can prove Replied, post #25 · Evidence › Journal club · 17 Apr 2025 · 0 likes Adding the measurement that post #24 says would settle it. Distinguishing three things in the STEP 4 discussion that keep getting used interchangeably: the observation,…
Scheduled maintenance and what will be unavailable Replied, post #110 · Meta › Announcements · 15 Apr 2025 · 0 likes Scheduled maintenance: I would want to see the raw numbers rather than the summary before agreeing. Summaries lose exactly the information that would settle this.
Review cadence: how often is a page actually re-checked? Replied, post #11 · Documentation › Doc review · 7 Apr 2025 · 0 likes The limitations section is the part most often thin at review and most often load-bearing afterwards. I am aware this is the third time this month I have made this point.
A 10 mg vial reconstituted three different ways, compared — the long version Replied, post #33 · Practice › Reconstitution · 6 Apr 2025 · 32 likes Preservative effectiveness is tested against a defined microbial challenge under defined conditions. It is not a licence to treat an entered vial as sterile…
Transit times by route, from a logged dataset — the long version Replied, post #77 · Sourcing › Logistics · 2 Apr 2025 · 7 likes Import restrictions by jurisdiction: what is legal to import for personal use varies enormously by country. Some jurisdictions are quite permissive; others are not.…
Anxiety in the first weeks: drug, situation, or both Replied, post #64 · Wellbeing › Mental health · 20 Mar 2025 · 4 likes Agreed, and I will stop repeating the version of this I had been repeating.
Charge states for a 4 kDa peptide, worked through Replied, post #142 · Analytics › Mass spectrometry · 18 Mar 2025 · 4 likes Resolution: "high resolution" commonly means That distinction has done more work for me than anything else in this category.
Reading a chromatogram someone posted without axes Replied, post #12 · Analytics › HPLC & UHPLC · 18 Mar 2025 · 0 likes On post #10 — agreed on the reasoning, with one qualification. The reason reading a chromatogram keeps being re-asked is that the answer is conditional and people quote…
Coming back to: Official shortage notices and what they authorise Replied, post #35 · Access › Shortages · 23 Feb 2025 · 29 likes Compounding during shortages: some jurisdictions allow pharmacy compounding when a marketed product is in shortage. That permission is jurisdiction-specific and…
SNAC and the mechanism of oral peptide absorption Replied, post #8 · Compounds › Oral incretins · 20 Feb 2025 · 24 likes Where I part company with post #4, and it is a narrow parting. Oral bioavailability is variable between people. Some people absorb well; others absorb poorly. That…
A promotion I argued against, and why I lost Replied, post #104 · Documentation › Doc review · 20 Feb 2025 · 16 likes Promotion came up in a thread eighteen months ago and was answered well. I cannot find it, which is itself the problem, so here is the reconstruction.
Coming back to: The nausea timeline across the first four weeks, with a tabulated log Replied, post #38 · Practice › Side effects · 30 Dec 2024 · 0 likes Injection site reaction: local erythema, nodules, or induration at injection sites is reported by some people. Site rotation, avoiding reinjection into the same area…
What changed in 2026, by region Replied, post #27 · Access › International · 17 Dec 2024 · 17 likes Where a jurisdiction has published guidance for clinicians, that document usually answers the practical questions better than any consumer-facing page. Written from…
Follow-up: Semaglutide versus liraglutide head to head: reading STEP 8 carefully Replied, post #4 · Compounds › Semaglutide · 5 Dec 2024 · 0 likes Right, and stated more narrowly than I would have dared to state it.
Revisiting: Holding a dose indefinitely: is there a documented downside? Replied, post #10 · Practice › Dosing & titration · 22 Nov 2024 · 18 likes Seconded. It reads as careful rather than confident, which is the right register.
Time to steady state after a dose increase Replied, post #39 · Pharmacology › Pharmacokinetics · 3 Nov 2024 · 14 likes Worth separating two things that post #37 runs together. The time to maximum concentration after a subcutaneous dose in this class is measured in days rather than…
Food noise reducing and the disorientation that can follow Replied, post #20 · Wellbeing › Mental health · 11 Oct 2024 · 17 likes Support and community: some people process weight change through community (online or in-person). Others prefer privacy. Knowing what you need and seeking it…
Coming back to: Preparing for an appointment: one page, three questions Replied, post #52 · Clinical › Prescriber conversations · 6 Sep 2024 · 0 likes Taking post #49 at face value and following it one step further. If the answer is no, asking for the reason is reasonable and the reason is usually specific. It is also…
Correlation in a self-tracked dataset: what it can support Replied, post #135 · Research Methods › Statistics · 25 Aug 2024 · 21 likes Right — I had this wrong and I am glad to have read it before it mattered.
Chronic kidney disease and the FLOW result Replied, post #18 · Clinical › Comorbidities · 16 Aug 2024 · 0 likes Bookmarking this. I will come back when I have something worth adding.
Second pass at: Journal club: LEADER as the historical anchor Replied, post #41 · Evidence › Journal club · 19 Jul 2024 · 2 likes The figures usually contain the finding and the text usually contains the interpretation. Separating them for the first twenty minutes is a discipline worth keeping.
Journal club: FLOW and the renal composite, component by component Replied, post #22 · Evidence › Journal club · 10 Jul 2024 · 8 likes This is the answer, and the reason it is the answer is the more useful part.