DSakamoto

TL3 Regular · Montpellier, FR

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

Joined 29 November 2024 · last posted 3d · groups: wiki-editors

133 posts, newest first. Showing up to 150.

Request: a per-category review queue Replied, post #129 · Meta › Feature requests · 25 Jul 2026 · 7 likes This follows post #126 rather than contradicting it. Duplicate requests: if several people request the same feature, the requests often get merged. Check whether your…
Coming back to: Why a preprint's supplementary material is often the best part Replied, post #113 · Evidence › Preprints · 22 Jul 2026 · 9 likes post #112 is right about the mechanism and I think understates the practical bit. I disagree with the reply above, and I think the disagreement is substantive rather…
Coming back to: Delayed gastric emptying and oral medication absorption: which drugs… Replied, post #48 · Practice › Interactions · 20 Jul 2026 · 0 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
Deletion sequences: expected mass shifts by residue — the long version Replied, post #10 · Analytics › Impurities & related substances · 13 Jul 2026 · 1 like Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
Follow-up: Sleep quality changes during weight loss Replied, post #68 · Wellbeing › Sleep · 12 Jul 2026 · 4 likes I read post #66 twice before replying, because I had assumed the opposite. Two things before anyone answers the substance. First, the context in the first post is clear…
Reading order for a first week here, and what to skip until later — what changed since Replied, post #25 · Start Here › Welcome · 9 Jul 2026 · 10 likes Welcome. The orientation materials are pinned at the top of this category and they take about an hour. They answer most of the questions a new member has and they save…
Electrolyte supplements: which ones do anything Replied, post #49 · Nutrition & Training › Hydration & electrolytes · 7 Jul 2026 · 17 likes Picking up post #46: that is the part I would want checked first. Magnesium: deficiency during weight loss is common and symptoms (fatigue, muscle cramps) are…
A calculator that gives a right answer to the wrong question Replied, post #32 · Data & Tools › Calculators · 5 Jul 2026 · 29 likes post #31 is right about the mechanism and I think understates the practical bit. Storage lookup: which conditions (temperature, time) are you considering storing in,…
Second pass at: The storage lookup and where its data comes from Replied, post #41 · Data & Tools › Calculators · 5 Jul 2026 · 17 likes Picking up post #38: that is the part I would want checked first. Offline use: all calculators are written in JavaScript and can be downloaded and run offline if…
I joined for one answer and stayed for a year — what changed my mind Replied, post #60 · Start Here › Welcome · 4 Jul 2026 · 3 likes This follows post #57 rather than contradicting it. The FAQ link in the sidebar is maintained and worth ten hours of forum browsing. It is not comprehensive but it is…
Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #88 · Compounds › Semaglutide · 3 Jul 2026 · 0 likes I read post #86 twice before replying, because I had assumed the opposite. The STEP programme populations were selected: enrollment criteria required baseline body mass…
Second pass at: Metformin co-administration and additive GI effects Replied, post #138 · Practice › Interactions · 2 Jul 2026 · 2 likes On post #134 — agreed on the reasoning, with one qualification. Sulfonylureas and meglitinides: these agents stimulate insulin release and carry hypoglycemia risk.…
Revisiting: What pooling buys you and what it destroys Replied, post #73 · Evidence › Meta-analyses · 30 Jun 2026 · 7 likes On post #69 — agreed on the reasoning, with one qualification. Inclusion and exclusion criteria: a meta-analysis is only as good as its inclusion criteria. If the…
Trust level 3 requirements: a clarification — does this still hold? Replied, post #73 · Meta › Announcements · 29 Jun 2026 · 0 likes On post #69 — agreed on the reasoning, with one qualification. Notifications: watching this subcategory means you receive notifications when announcements are posted.…
Reference intervals: how they are constructed and why one in twenty flags — does this… Replied, post #8 · Clinical › Bloodwork · 22 Jun 2026 · 0 likes Worth separating two things that post #4 runs together. Renal function markers: eGFR is estimated, not measured. It depends on creatinine, age, and weight. A small…
Follow-up: Reading an interaction checker output critically Replied, post #10 · Practice › Interactions · 18 Jun 2026 · 0 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
Journal club: STEP 1 and the treatment-policy estimand — does this still hold? Replied, post #42 · Evidence › Journal club · 15 Jun 2026 · 29 likes I read post #40 twice before replying, because I had assumed the opposite. Critical appraisal template: (1) What did the trial set out to estimate? (2) Could the design…
I have no scientific background — can I still follow the analytics categories? Replied, post #19 · Start Here › Welcome · 14 Jun 2026 · 0 likes This follows post #16 rather than contradicting it. Your introduction is well framed. You have given enough context that people can actually answer. That is rarer than…
An 18-month record including the parts that went badly Replied, post #40 · Outcomes › Progress reports · 13 Jun 2026 · 0 likes Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that…
An appeal that succeeded, with the letter structure — the long version Replied, post #65 · Access › Insurance & coverage · 7 Jun 2026 · 6 likes Tier placement and step therapy: some formularies place a medication on a higher tier or require you to fail cheaper alternatives before approving the one you want.…
Micronutrient adequacy at low total intake Replied, post #9 · Nutrition & Training › Protein & intake · 6 Jun 2026 · 11 likes Coming back to post #7, because the follow-up matters more than the original answer. Protein targets during weight loss: the standard recommendation is 1.6 to 2.2 grams…
[2026 update] Travelling with an injectable: documentation and practicalities Replied, post #2 · Access › International · 5 Jun 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.
How to ask a question when you cannot say why you are asking it Replied, post #5 · Start Here › How to Ask · 3 Jun 2026 · 10 likes Picking up post #2: that is the part I would want checked first. Chromatogram questions: describe the method first. Column type, gradient, wavelength, detection method.…
Naming conventions for research peptides and the confusion they cause Replied, post #10 · Compounds › Other compounds · 2 Jun 2026 · 0 likes Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or…
Revisiting: Mean kinetic temperature explained without the mathematics Replied, post #39 · Practice › Storage & stability · 31 May 2026 · 0 likes Picking up post #36: that is the part I would want checked first. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the…
Official shortage notices and what they authorise Replied, post #72 · Access › Shortages · 27 May 2026 · 4 likes Managing an unplanned gap: if a shortage causes a gap in treatment, the questions are how long the gap will be and how that affects your condition. Discussing with your…
An appeal that succeeded, with the letter structure — the long version Replied, post #14 · Access › Insurance & coverage · 25 May 2026 · 0 likes On post #10 — agreed on the reasoning, with one qualification. Coverage for weight management versus diabetes: many formularies cover these compounds for type 2…
GLP-1 receptor distribution: central and peripheral Replied, post #56 · Pharmacology › Receptor biology · 25 May 2026 · 14 likes Picking up post #53: that is the part I would want checked first. I disagree with the reply above, and I think the disagreement is substantive rather than…
Why the titration planner refuses to produce a schedule below a floor Replied, post #75 · Data & Tools › Calculators · 18 May 2026 · 23 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
Follow-up: Sleep quality changes during weight loss Replied, post #24 · Wellbeing › Sleep · 17 May 2026 · 2 likes Apnoea monitoring: if you have diagnosed or suspected sleep apnoea, periodic monitoring (annually) during weight loss is prudent because severity changes.
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #94 · Devices › Syringes & needles · 6 May 2026 · 5 likes Aspirating before injection: for subcutaneous injection, aspirating (pulling back on the plunger to check for blood) is not necessary and is sometimes discouraged…
Official shortage notices and what they authorise Replied, post #36 · Access › Shortages · 6 May 2026 · 28 likes Compounding during shortages: some jurisdictions allow pharmacy compounding when a marketed product is in shortage. That permission is jurisdiction-specific and…
[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #39 · Analytics › HPLC & UHPLC · 5 May 2026 · 0 likes I read post #37 twice before replying, because I had assumed the opposite. This is why a purity figure without the underlying chromatogram is weaker evidence than it…
Personal or family history of medullary thyroid carcinoma — what changed since Replied, post #26 · Safety › Contraindications · 2 May 2026 · 0 likes Coming back to post #24, because the follow-up matters more than the original answer. Severe hepatic impairment: less is known than for kidney disease. Extreme caution…
GLP-1 receptor distribution: central and peripheral Replied, post #41 · Pharmacology › Receptor biology · 30 Apr 2026 · 30 likes Central versus peripheral action: GLP-1 agonism works through both central nervous system effects (appetite) and peripheral effects (gastric motility, insulin). The…
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #71 · Devices › Syringes & needles · 29 Apr 2026 · 6 likes Reading units correctly: look at the marking from the side, not from above or below. The bottom of the plunger tip is the reading. Parallax error (wrong angle) is a…
Residual solvents and scavengers: what is looked for — what changed since Replied, post #33 · Analytics › Impurities & related substances · 28 Apr 2026 · 33 likes Picking up post #30: that is the part I would want checked first. Residual solvents: traces of solvents used in purification. These are usually tested by gas…
Follow-up: Comparing two chromatograms from different laboratories, properly Replied, post #18 · Analytics › HPLC & UHPLC · 26 Apr 2026 · 0 likes Reversed-phase separates on hydrophobicity. A peptide is retained on a non-polar stationary phase and eluted by increasing organic solvent. For peptides the mobile…
Follow-up: State-level differences that actually matter Replied, post #70 · Regional › North America · 7 Apr 2026 · 24 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
Adolescents: a distinct evidence base — one year on Replied, post #81 · Clinical › Special populations · 31 Mar 2026 · 21 likes post #80 answers the question as asked. The question underneath it is different. Disordered eating history: a history of anorexia nervosa, bulimia, or other eating…
[2026 update] Does a peptide degrade silently, with no visual change? Replied, post #36 · Practice › Storage & stability · 19 Mar 2026 · 0 likes Dating prepared solutions: write the date reconstitution on the vial in permanent marker. If you later need to know whether it has been sitting for weeks or days, the…
Micro-titration: a disputed topic, argued properly Replied, post #47 · Practice › Dosing & titration · 16 Mar 2026 · 0 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
About the Sleep category Replied, post #3 · Wellbeing › Sleep · 13 Mar 2026 · 17 likes As a member rather than staff: the most useful thing I did when I started reading this category was to work through the tag pages rather than the topic list. The topic…
Request declined, with reasoning — what changed since Replied, post #20 · Meta › Feature requests · 13 Mar 2026 · 9 likes This follows post #17 rather than contradicting it. For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add…
Air bubbles in a subcutaneous injection: the honest risk assessment — does this still… Replied, post #12 · Practice › Administration · 8 Mar 2026 · 30 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
Measurement error in a self-reported exposure Replied, post #115 · Evidence › Study critique · 27 Feb 2026 · 0 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
Realistic expectations for strength while losing weight quickly Replied, post #66 · Nutrition & Training › Resistance training · 26 Feb 2026 · 0 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
Second pass at: Where impurities in solid-phase peptide synthesis come from Replied, post #50 · Analytics › Impurities & related substances · 26 Feb 2026 · 13 likes Truncation products: fragments from incomplete synthesis or from degradation. They elute quite differently from the intact peptide because they are much smaller and…
Revisiting: Absolute versus relative contraindications Replied, post #31 · Safety › Contraindications · 24 Feb 2026 · 0 likes post #30 answers the question as asked. The question underneath it is different. Severe renal impairment (eGFR
Molecular mass of semaglutide and why the figure differs between sources Replied, post #9 · Compounds › Semaglutide · 23 Feb 2026 · 29 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
Trifluoroacetate content and its consequences Replied, post #129 · Analytics › Impurities & related substances · 11 Feb 2026 · 22 likes Residual solvents: traces of solvents used in purification. These are usually tested by gas chromatography, not by HPLC. A specification for residual solvents should be…
Request: export my own posts — one year on Replied, post #44 · Meta › Feature requests · 8 Feb 2026 · 7 likes Duplicate requests: if several people request the same feature, the requests often get merged. Check whether your feature has already been suggested before posting.
Can a home kit substitute for a laboratory report? A careful no Replied, post #124 · Analytics › Home & field testing · 2 Feb 2026 · 8 likes This follows post #121 rather than contradicting it. What you can use home tests for: confirmation that a solution contains peptide (as opposed to being saline alone),…
Revisiting: Review: an evidence digest and the citation check that delayed it Replied, post #55 · Documentation › Doc review · 31 Jan 2026 · 0 likes Picking up post #52: that is the part I would want checked first. Review date disputes: if a maintained page's review date is approaching and it has not been updated,…
[2026 update] Evidence quality in the secretagogue literature: an honest assessment Replied, post #17 · Compounds › Secretagogues & GH axis · 30 Jan 2026 · 0 likes Worth separating two things that post #13 runs together. Tesamorelin has an approved indication in HIV-associated lipodystrophy. That is the only compound in this class…
Filter needles: when they help and what they cost you Replied, post #37 · Devices › Syringes & needles · 27 Jan 2026 · 14 likes Insulin syringe graduations: U-100 syringes are marked in units where 100 units = 1 mL. Always confirm your syringe is U-100. Confusion between insulin units and…
Which panel is worth repeating and which is worth ignoring — a second dataset Replied, post #61 · Clinical › Bloodwork · 27 Jan 2026 · 0 likes post #60 answers the question as asked. The question underneath it is different. TSH and free hormones: TSH is a reasonable screening test but does not tell you about…
Follow-up: Search filters: what is missing Replied, post #21 · Meta › Site feedback · 26 Jan 2026 · 21 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
How to tell whether your question is already answered on a maintained page Replied, post #6 · Start Here › Welcome · 23 Jan 2026 · 8 likes Worth separating two things that post #2 runs together. Trust levels accumulate over time and they give you access to small things like the ability to edit your own…
Tracking that stops updating and then resumes — the long version Replied, post #64 · Sourcing › Logistics · 11 Jan 2026 · 28 likes post #63 is right about the mechanism and I think understates the practical bit. Declaring contents accurately: declaring accurately reduces intervention risk. A…
Distinguishing expected GI effects from something that needs urgent attention Replied, post #71 · Practice › Side effects · 10 Jan 2026 · 0 likes Picking up post #68: that is the part I would want checked first. Pancreatitis: a rare but serious event with a specific presentation (epigastric pain, back pain,…
Receptor desensitisation as a tolerance hypothesis, and its weak evidence — the long… Replied, post #50 · Pharmacology › Receptor biology · 9 Jan 2026 · 2 likes On post #46 — agreed on the reasoning, with one qualification. Cross-reactivity and selectivity: the compounds are not perfectly selective for their target receptors.…
A partial dose because the pen emptied mid-injection Replied, post #2 · Practice › Administration · 6 Jan 2026 · 1 like Air bubbles in a subcutaneous injection: the honest risk assessment is low. Tiny air bubbles in subcutaneous tissue do not behave like an air embolism in a blood…
The decimal-point error, and the habit that catches it Replied, post #25 · Practice › Reconstitution · 14 Dec 2025 · 6 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
The decimal-point error, and the habit that catches it Replied, post #18 · Practice › Reconstitution · 14 Dec 2025 · 6 likes Coming back to post #16, because the follow-up matters more than the original answer. A vial that will not fully dissolve: check in order: is the diluent genuinely room…
Dose numbers for oral formulations are not comparable to injectable ones Replied, post #10 · Compounds › Oral incretins · 8 Dec 2025 · 1 like I read post #8 twice before replying, because I had assumed the opposite. PIONEER 6 was a cardiovascular safety trial for oral semaglutide, not an efficacy trial.…
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly — the long… Replied, post #36 · Compounds › Tirzepatide · 5 Dec 2025 · 0 likes Picking up post #33: that is the part I would want checked first. SURMOUNT-OSA is notable because it used an objective physiological endpoint, the apnoea-hypopnoea…
Temperature loggers worth the money — the long version Replied, post #75 · Devices › Cold chain · 15 Nov 2025 · 12 likes Travel with medication: carrying a vial across borders requires planning if temperatures will exceed the range or if journey time is long. Insulated travel cases with…
Promotion criteria, and the one that stops most nominations — the long version Replied, post #93 · Documentation › Doc review · 14 Nov 2025 · 0 likes New maintainer recruitment: if a page's maintainer is inactive and updates are needed, suggesting a new maintainer here can help transition responsibility.
Particulates in a reconstituted solution: identifying the likely source Replied, post #20 · Analytics › Impurities & related substances · 9 Nov 2025 · 19 likes Incomplete deprotection: mass higher by the protecting group mass. Usually markedly later eluting. A synthesis artifact from incomplete removal of protecting groups.
Warfarin and altered intake: the monitoring argument — the long version Replied, post #43 · Practice › Interactions · 3 Nov 2025 · 10 likes Picking up post #40: that is the part I would want checked first. Vitamins: most vitamins have no significant interaction. Fat-soluble vitamins (A, D, E, K) might be…
An orphaned page with no inbound links — the long version Replied, post #9 · Meta › Wiki maintenance · 9 Oct 2025 · 9 likes post #8 is right about the mechanism and I think understates the practical bit. Thank you for the correction. I have edited my earlier post with a note rather than…
Titles that describe the question, not the situation Replied, post #113 · Start Here › How to Ask · 4 Oct 2025 · 23 likes Chromatogram questions: describe the method first. Column type, gradient, wavelength, detection method. Everything else follows from method. A chromatogram without…
Batch date after test date, and other internal inconsistencies Replied, post #6 · Analytics › COA interpretation · 4 Oct 2025 · 0 likes Picking up post #3: that is the part I would want checked first. When a document puts the specification in the result column, it has told you the release criterion, not…
Detection wavelength and why 214 nm and 280 nm disagree Replied, post #57 · Analytics › HPLC & UHPLC · 1 Oct 2025 · 0 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
Revisiting: Reading a denial letter as a specification for your appeal Replied, post #134 · Access › Insurance & coverage · 25 Sep 2025 · 2 likes Out-of-pocket costs: if insurance is not covering it, asking about patient assistance programmes run by manufacturers can reduce costs. Eligibility requirements exist…
An inter-laboratory comparison on one lot, tabulated — what changed since Replied, post #2 · Analytics › Method validation · 25 Sep 2025 · 1 like Accuracy: the method measures what you intend to measure. For purity methods, this is tested by spike-and-recover experiments: add a known amount of impurity to a…
[2026 update] What the GIP component of tirzepatide is thought to contribute, and how… Replied, post #125 · Compounds › Tirzepatide · 15 Sep 2025 · 14 likes post #124 is right about the mechanism and I think understates the practical bit. Nausea profile: some people report tirzepatide as less nausea-prone than semaglutide,…
The nausea timeline across the first four weeks, with a tabulated log Replied, post #59 · Practice › Side effects · 13 Sep 2025 · 9 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
Request: a diff view for wiki revisions — the long version Replied, post #39 · Meta › Feature requests · 5 Sep 2025 · 1 like Feature scope: some requests are for the site itself (search, filtering, navigation). Some are for the documentation (new topics, different formats). Scope helps…
What the GIP component of tirzepatide is thought to contribute, and how confident we can… Replied, post #32 · Compounds › Tirzepatide · 27 Aug 2025 · 19 likes For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.
The "under review" status pill and when a moderator applies it — a second dataset Replied, post #28 · Evidence › Preprints · 19 Aug 2025 · 6 likes This follows post #25 rather than contradicting it. Discussing preprints in this community: bring them in for early discussion, label them clearly as preprints, invite…
When a preprint is the best available evidence and we say so Replied, post #42 · Evidence › Preprints · 10 Aug 2025 · 0 likes Worth separating two things that post #38 runs together. Two things before anyone answers the substance. First, the context in the first post is clear and specific.…
Pages past their review date, listed Replied, post #15 · Meta › Wiki maintenance · 8 Aug 2025 · 0 likes post #14 is right about the mechanism and I think understates the practical bit. Cross-referencing: if two pages should reference each other but do not, suggesting the…
Revisiting: Why I ask for the gradient before I discuss the number Replied, post #14 · Analytics › HPLC & UHPLC · 5 Aug 2025 · 26 likes post #13 answers the question as asked. The question underneath it is different. Thank you for the correction. I have edited my earlier post with a note rather than…
Thyroid function tests during substantial weight change Replied, post #9 · Clinical › Bloodwork · 19 Jul 2025 · 27 likes Renal function markers: eGFR is estimated, not measured. It depends on creatinine, age, and weight. A small change in creatinine might not mean a real change in kidney…
Discussing something you have already been doing — the long version Replied, post #14 · Clinical › Prescriber conversations · 11 Jul 2025 · 0 likes How to ask for what you need: rather than "should I take this", frame it as "I understand the evidence for this shows X benefit in people with my condition; would it be…
Coming back to: Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #56 · Compounds › Semaglutide · 5 Jul 2025 · 1 like Approved indications differ by jurisdiction and change. As of mid-2026 the weight-management indication is approved in many European jurisdictions but not all, and…
Obstructive sleep apnoea and a hard endpoint in this class Replied, post #108 · Clinical › Comorbidities · 8 Jun 2025 · 1 like Comorbidity control: if a comorbidity (high blood pressure, high lipids) is not adequately controlled, the decision about adding compounds in this class depends on the…
BPC-157: what the rodent literature actually shows, and what it does not — a second… Replied, post #55 · Compounds › Repair & healing peptides · 8 Jun 2025 · 18 likes Worth separating two things that post #51 runs together. Publication patterns in the BPC-157 literature: a large proportion of the evidence comes from one research…
Substitution between formats during a shortage Replied, post #3 · marked as the solution · Access › Shortages · 27 May 2025 · 29 likes Resuming after a gap: after a gap of days or a few weeks, most people resume at the dose they were on when they stopped. Gaps of months might require retitration…
Pre-registering a personal experiment, seriously Replied, post #2 · Research Methods › N-of-1 designs · 24 May 2025 · 12 likes This follows the opening post rather than contradicting it. For anyone arriving from a search: the marked solution above is the direct answer, and the replies…
Coming back to: The SOUL trial and oral semaglutide cardiovascular outcomes Replied, post #4 · Compounds › Oral incretins · 23 May 2025 · 0 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
Reverting an edit that had no revision note Replied, post #3 · Meta › Wiki maintenance · 7 May 2025 · 12 likes Orphaned pages: if a page has no incoming links and is not reachable from navigation, it is orphaned. Such pages should either be linked or deprecated.
A well-designed study with a badly written abstract Replied, post #37 · Evidence › Study critique · 22 Apr 2025 · 0 likes Coming back to post #35, because the follow-up matters more than the original answer. Criticise the method, not the author: a paper with a weak design is not a bad…
Second pass at: Journal club: STEP 4 and what a withdrawal design can prove Replied, post #9 · Evidence › Journal club · 12 Apr 2025 · 26 likes SURPASS-2 (N Engl J Med 2021): Direct comparison of tirzepatide with semaglutide 1.0 mg. The 1.0 mg dose is not the highest available, which is the central and…
Reading an MS report that only gives you a single number Replied, post #44 · Analytics › Mass spectrometry · 3 Apr 2025 · 0 likes Worth separating two things that post #40 runs together. Tandem mass spectrometry: MS/MS fragments the molecular ion and uses fragment masses to confirm identity and…
Documenting a supplier's response to a discrepancy — does this still hold? Replied, post #37 · Sourcing › Vendor reports · 30 Mar 2025 · 23 likes Testing service selection: Janoshik gives purity with chromatogram. Medutest gives combined purity and identity. PeptideMeter gives verification records as well as…
Why cagrilintide alone is discussed so much less than in combination Replied, post #58 · Compounds › Cagrilintide & amylin analogues · 29 Mar 2025 · 28 likes Gastric emptying: both amylin and GLP-1 slow it, through partly overlapping but distinct mechanisms. Whether the slowing at a higher magnitude produces disproportionate…
When to suspect the method rather than the sample Replied, post #102 · Analytics › Method validation · 23 Mar 2025 · 2 likes Why two laboratories may disagree: after validating the same method, they may still report different purity on the same sample due to integration differences, column…
Reading an MS report that only gives you a single number Replied, post #35 · Analytics › Mass spectrometry · 23 Mar 2025 · 2 likes Electrospray ionisation produces multiply charged ions. For a 4 kDa peptide you expect mostly 2+, 3+, and 4+ charge states. Reading an electrospray spectrum means…
Review: a draft on reconstitution arithmetic, with objections Replied, post #63 · Documentation › Doc review · 18 Mar 2025 · 27 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
One lot is one lot: when a report becomes a pattern — the long version Replied, post #70 · Sourcing › Vendor reports · 17 Mar 2025 · 19 likes Picking up post #67: that is the part I would want checked first. Thank you for the correction. I have edited my earlier post with a note rather than silently, so the…
When "no data" is the complete and final answer Replied, post #120 · Compounds › Other compounds · 16 Mar 2025 · 0 likes Research-use-only status is a legal classification, not a safety classification. It means the compound is sold for laboratory use and not for human consumption or…
Research-use-only labelling: what it means and what it does not — the long version Replied, post #91 · Sourcing › Regulatory · 23 Feb 2025 · 11 likes Regulatory positions change: a compound's status today might differ from its status a year from now. Citing a regulatory position is worth doing only with a date…
Adjudicated events and why the definition matters — the long version Replied, post #18 · Evidence › Trials · 21 Feb 2025 · 19 likes Coming back to post #16, because the follow-up matters more than the original answer. Risk of bias: structured appraisal of internal validity. Key things to assess:…
Follow-up: What other technical communities get right that we do not Replied, post #19 · Lounge › Off topic · 17 Feb 2025 · 23 likes Adjacent and interesting: you might post something about nutrition, bioavailability from a food perspective, or the sociology of weight. Adjacent to this community's…
Albumin binding and how it produces a long half-life Replied, post #6 · Pharmacology › Pharmacokinetics · 14 Feb 2025 · 0 likes Individual variation: people vary in how quickly they absorb, distribute, metabolise, and excrete these compounds. That variation is partly genetic and partly due to…
Biased agonism: a real phenomenon, an over-used explanation — what changed since Replied, post #44 · Pharmacology › Receptor biology · 6 Feb 2025 · 0 likes This follows post #41 rather than contradicting it. For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add…
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Replied, post #73 · Data & Tools › Calculators · 1 Feb 2025 · 0 likes Picking up post #70: that is the part I would want checked first. Why calculators are not medical advice: they do arithmetic. Medical decisions are not arithmetic. A…
Distinguishing a deletion sequence by mass alone Replied, post #28 · Analytics › Mass spectrometry · 29 Jan 2025 · 23 likes This follows post #25 rather than contradicting it. Common adducts: sodium adds ≈22, potassium adds ≈38 compared to hydrogen. A [M+Na]+ peak is common and its mass is…
Revisiting: Holding a dose indefinitely: is there a documented downside? Replied, post #29 · Practice › Dosing & titration · 21 Jan 2025 · 16 likes I read post #27 twice before replying, because I had assumed the opposite. When a dose reduction is the correct response to a side effect: if a side effect is…
Feature request: should a dose-equivalence tool exist at all? Replied, post #15 · Data & Tools › Calculators · 18 Jan 2025 · 0 likes Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own…
Recovery when intake is low: what to cut first Replied, post #58 · Nutrition & Training › Resistance training · 13 Jan 2025 · 23 likes Intensity: using weights that allow 6 to 12 reps before fatigue is a reasonable range for preserving muscle. Heavier weights with lower reps can work but require more…
Recovery when intake is low: what to cut first Replied, post #47 · Nutrition & Training › Resistance training · 12 Jan 2025 · 9 likes Intensity: using weights that allow 6 to 12 reps before fatigue is a reasonable range for preserving muscle. Heavier weights with lower reps can work but require more…
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Replied, post #42 · Data & Tools › Calculators · 6 Jan 2025 · 4 likes post #41 is right about the mechanism and I think understates the practical bit. Titration planning: a calculator that shows you the escalation schedule for different…
Checking someone else's arithmetic: a worked example thread Replied, post #12 · Practice › Reconstitution · 5 Jan 2025 · 5 likes Reconstituting a multi-strength kit: if a kit contains 5 mg, 10 mg, 15 mg vials and you are reconstituting all of them, writing the concentration on each vial in…
Coming back to: Recording a dissent on a document rather than suppressing it Replied, post #21 · Documentation › Doc review · 3 Jan 2025 · 33 likes Thank you for the correction. I have edited my earlier post with a note rather than silently, so the thread still makes sense to read. The error was mine and it was the…
Semaglutide half-life: where the 165 to 184 hour figure comes from — what changed since Replied, post #76 · Compounds › Semaglutide · 3 Jan 2025 · 32 likes post #75 answers the question as asked. The question underneath it is different. Approved indications differ by jurisdiction and change. As of mid-2026 the…
[2026 update] New subcategory: rationale and scope Replied, post #82 · Meta › Announcements · 21 Dec 2024 · 6 likes RSS: if you prefer to receive announcements by feed rather than visiting the site, RSS is available for this subcategory.
Second pass at: Pharmacy supply in the UK and the questions you will be asked Replied, post #5 · Regional › UK & Ireland · 16 Dec 2024 · 13 likes On the opening post — agreed on the reasoning, with one qualification. Cross-border arrangements: some people source from other EU countries. Rules on import for…
Preparing for an appointment: one page, three questions Replied, post #2 · Clinical › Prescriber conversations · 15 Dec 2024 · 0 likes Worth separating two things that the opening post runs together. Two things before anyone answers the substance. First, the context in the first post is clear and…
Identical chromatograms across two different lots Replied, post #56 · Sourcing › Red flags · 30 Nov 2024 · 0 likes Worth separating two things that post #52 runs together. Evasion when asked: if a supplier does not clarify when asked specifically for method details, counter-ion…
Reading a preclinical wound-healing model and its relevance to a human tendon Replied, post #77 · Compounds › Repair & healing peptides · 17 Nov 2024 · 3 likes The absence of adequately powered published randomised human trials is the central fact about BPC-157. This site states that plainly rather than hedging. Mechanistic…
Choosing which test to pay for, given a fixed budget — does this still hold? Replied, post #24 · Sourcing › Independent verification · 8 Nov 2024 · 0 likes VendorInvestigate: documentation and supplier-practice review. Reviews paperwork rather than vials. Tells you something about a supplier's systems but says nothing…
People with a low starting BMI: where the evidence stops Replied, post #10 · Clinical › Special populations · 25 Oct 2024 · 1 like Renal impairment: the compounds are cleared renally to some degree. Dose adjustments might be needed in severe renal impairment. Consulting with a clinician familiar…
PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one —… Replied, post #28 · Compounds › Oral incretins · 8 Oct 2024 · 1 like Oral versus injectable exposure: comparing a 14 mg oral dose with a 0.5 mg injectable dose is comparing apples to a different fruit. The oral bioavailability is low…
Progressive overload when the scale is falling — one year on Replied, post #105 · Nutrition & Training › Resistance training · 29 Sep 2024 · 11 likes Cardio and resistance: the interaction between energy-intense cardiovascular training and resistance training is real. Moderate cardio is fine; excessive endurance…
Progressive overload when the scale is falling — one year on Replied, post #86 · Nutrition & Training › Resistance training · 24 Sep 2024 · 0 likes Volume: the number of sets per muscle group per week that supports muscle maintenance is roughly 12 to 18 hard sets. That varies by individual but gives a target range.
Revisiting: US compounding rules and how they changed Replied, post #7 · Regional › North America · 30 Aug 2024 · 5 likes Telehealth prescribing: widespread in the US and varying in quality. Models without a clinician reviewing measurements and history are not recommended by this community.
Correlation in a self-tracked dataset: what it can support Replied, post #100 · Research Methods › Statistics · 24 Aug 2024 · 0 likes Multiplicity and multiple comparisons: if you test many hypotheses, the chance of finding a false positive by random chance increases. That is why pre-specifying the…
Coming back to: Purity assay versus content assay: two different numbers Replied, post #40 · Analytics › COA interpretation · 11 Aug 2024 · 13 likes Worth separating two things that post #36 runs together. What fields matter on a certificate: lot number matching the vial, test date, the analytical method stated…
The mass-error checker and its intended scope Replied, post #129 · Data & Tools › Calculators · 16 Jul 2024 · 9 likes This follows post #126 rather than contradicting it. Dose equivalence calculator: compounds have different potencies. The calculator is provided with a caveat:…