c.inglethorpe

TL3 Regular · Zürich, CH

Pharmacist. Answers stability and compatibility questions and declines to answer clinical ones.

Joined 18 January 2025 · last posted 1d · groups: pharmacists

119 posts, newest first. Showing up to 150.

[2026 update] Second opinions: how to seek one without burning the first Replied, post #3 · Clinical › Prescriber conversations · 26 Jul 2026 · 29 likes Asking about the plan if the first approach does not work is a good use of an appointment and is rarely done.
PIONEER 6 cardiovascular safety, read as a safety trial rather than an efficacy one Replied, post #24 · Compounds › Oral incretins · 25 Jul 2026 · 0 likes The absorption enhancer in the licensed oral product works by transiently raising local gastric pH and promoting absorption across the mucosa. It is the reason the…
Seven-day rolling means and why weekly readings mislead Replied, post #80 · Outcomes › Progress reports · 22 Jul 2026 · 1 like Reporting rather than recommending, on seven-day rolling. What happened is above. Whether it should have is a different question and not one I am qualified to answer.
Publication patterns in the BPC-157 literature, examined Replied, post #41 · Compounds › Repair & healing peptides · 21 Jul 2026 · 6 likes Reported local reactions are common enough in first-hand accounts here to be worth mentioning and are not characterised in any published series. That matches what I was…
Journal club: SUSTAIN 6 and its retinopathy signal Replied, post #91 · Evidence › Journal club · 20 Jul 2026 · 1 like Answering the question post #88 raises rather than the one it answers. The reason SUSTAIN 6 keeps being re-asked is that the answer is conditional and people quote it…
Angle of injection and whether 90 degrees is always right — the long version Replied, post #49 · Practice › Administration · 18 Jul 2026 · 0 likes Alcohol swabbing and letting the site dry is the whole of the preparation for a subcutaneous injection into intact skin. Injecting before it dries is what stings.…
Pages past their review date, listed — does this still hold? Replied, post #54 · Meta › Wiki maintenance · 15 Jul 2026 · 17 likes This follows post #51 rather than contradicting it. Redundancy: if two maintained pages cover largely the same ground, consolidation might improve clarity. Pointing out…
Revisiting: Why the absence of controlled human data on BPC-157 matters more than people… Replied, post #31 · Compounds › Repair & healing peptides · 14 Jul 2026 · 0 likes For anyone arriving from search engines: this subcategory discusses published preclinical work and the absence of published clinical work. It does not endorse or…
Molecular mass of semaglutide and why the figure differs between sources Replied, post #100 · Compounds › Semaglutide · 13 Jul 2026 · 33 likes The 165 to 184 hour half-life range gets quoted as a fixed number. It is a range across a studied population, and individual clearance varies enough that a person's own…
Journal club: what we got wrong in an earlier session Replied, post #69 · Evidence › Journal club · 10 Jul 2026 · 22 likes Post #68 answers the question as asked. The question underneath it is different. The baseline characteristics table is the single most useful page for the questions…
Why 99.2% and 97.8% on the same lot can both be correct Replied, post #16 · Analytics › HPLC & UHPLC · 8 Jul 2026 · 16 likes Coming back to post #12, because the follow-up matters more than the original answer. Mobile-phase preparation is a genuine source of between-laboratory variation. Acid…
Second pass at: Absence of evidence and evidence of absence Replied, post #39 · Research Methods › Statistics · 7 Jul 2026 · 0 likes I read post #38 twice before replying, because I had assumed the opposite. The version of Absence of evidence that I was taught turned out to be a teaching…
Primary endpoint hierarchies and why order matters — one year on Replied, post #35 · Evidence › Trials · 4 Jul 2026 · 8 likes Primary endpoint hierarchies has a well-known answer and a correct answer, and the interesting work is establishing that they are the same. Nobody has done that here yet.
How to ask a question when you cannot say why you are asking it Replied, post #29 · Start Here › How to Ask · 3 Jul 2026 · 23 likes Chromatography questions need the method before anything else: column, gradient, wavelength, injection volume. A purity figure with no method attached cannot be…
Alcohol: what is documented and what is folklore Replied, post #86 · Practice › Interactions · 1 Jul 2026 · 17 likes Post #83 put the caveat in the right place and I want to underline it. Alcohol came up in a thread eighteen months ago and was answered well. I cannot find it, which is…
A structured critique template this community uses — a second dataset Replied, post #24 · Evidence › Study critique · 30 Jun 2026 · 0 likes This settles it for me, at least until somebody posts a reason it should not.
Insurance and replacement policies, compared Replied, post #47 · Sourcing › Logistics · 27 Jun 2026 · 0 likes The practical version of insurance and replacement policies is three sentences long. The rigorous version is three pages and reaches the same conclusion with the…
Follow-up: Prior authorisation: what the criteria usually require Replied, post #40 · Access › Insurance & coverage · 26 Jun 2026 · 3 likes The single most useful preparation is obtaining the actual criteria document rather than working from what somebody was told on the phone.
Journal club: indirect comparison between two programmes, defended and attacked Replied, post #98 · Evidence › Journal club · 26 Jun 2026 · 25 likes Nothing to add, except that this is the answer I would give if asked.
Lean mass preservation: what the evidence supports — does this still hold? Replied, post #100 · Outcomes › Body composition · 22 Jun 2026 · 29 likes This follows post #99 rather than contradicting it. What I would tell a new member reading about Lean mass preservation for the first time: the confident posts are not…
Request: tag synonyms surfaced in search Replied, post #4 · Meta › Feature requests · 21 Jun 2026 · 28 likes Fair. Then under the name, at a smaller size, permanently. Happy to be the one who is wrong here if it settles the question.
[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #29 · Sourcing › Independent verification · 20 Jun 2026 · 5 likes Asking the supplier before publishing a discrepancy is the convention here. Most discrepancies are explained by handling or method and asking costs a day. The short…
What TRIUMPH is designed to answer, and why we should not pre-empt it Replied, post #3 · Compounds › Retatrutide · 15 Jun 2026 · 17 likes Coming back to the opening post, because the follow-up matters more than the original answer. I would keep TRIUMPH and the decision it usually gets used for separate in…
Ultrasound and skinfolds: operator dependence in practice Replied, post #9 · Outcomes › Body composition · 7 Jun 2026 · 5 likes I would keep ultrasound and skinfolds and the decision it usually gets used for separate in this thread. They are related and they are not the same question, and…
A certificate whose chromatogram axes do not match its stated method — one year on Started this topic · Sourcing › Red flags · 2 Jun 2026 · 32 likes A certificate whose chromatogram axes do not match its stated method — one year on Writing it up because I had to work it out twice and would rather nobody else did.…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #8 · Practice › Storage & stability · 1 Jun 2026 · 9 likes Post #6 and I disagree about the size of the effect, not about the direction. I keep a log for reconstituted specifically because my memory of it turned out to be…
The best-written scientific paper you have read Replied, post #63 · Lounge › Off topic · 24 May 2026 · 0 likes Humour: light, relevant humour is welcome. Cruel humour targeting individuals or groups is not.
Why the absence of controlled human data on BPC-157 matters more than people admit Replied, post #28 · Compounds › Repair & healing peptides · 19 May 2026 · 17 likes Answering the question post #24 raises rather than the one it answers. The absence of adequately powered published randomised human trials is the central fact about…
[2026 update] Thyroid function tests during substantial weight change Replied, post #63 · Clinical › Bloodwork · 10 May 2026 · 0 likes The confident answers on Thyroid function tests during substantial and the well-sourced answers are not the same answers, which is the most useful thing I have learned…
Coming back to: Measurement error in a self-reported exposure Replied, post #13 · Evidence › Study critique · 23 Apr 2026 · 3 likes Post #11 is right about the mechanism and I think understates the practical bit. I have been on both sides of the Measurement error argument in this category within…
Follow-up: Sleep quality changes during weight loss Replied, post #8 · Wellbeing › Sleep · 21 Apr 2026 · 0 likes I had written a reply contradicting post #5 and deleted it. Here is what survived. Sleep apnoea improvement: as weight is lost, sleep apnoea usually improves. The…
Coming back to: Washout: how long is long enough, and for what purpose Replied, post #112 · Pharmacology › Pharmacokinetics · 20 Apr 2026 · 24 likes Careful with the language on Washout. "Not detected" and "not present" are different findings and the first is a statement about the method.
Prescription portability between countries Replied, post #4 · Access › International · 8 Apr 2026 · 4 likes The arithmetic in post #2 is right; the assumption feeding it is the part to check. Licensed prescribing: where a compound is approved, prescribing is restricted to…
Spike-and-recover accuracy for a peptide assay Replied, post #26 · Analytics › Method validation · 7 Apr 2026 · 31 likes I read post #24 twice before replying, because I had assumed the opposite. Where a pharmacopoeial monograph exists, a method that follows it inherits a great deal of…
Subgroup analyses: pre-specified versus discovered — a second dataset Replied, post #30 · Evidence › Trials · 3 Apr 2026 · 10 likes Coming back to post #26, because the follow-up matters more than the original answer. Absolute numbers, not just relative: a 30% relative reduction tells you the ratio…
How to ask about something you suspect is a bad idea Replied, post #72 · Start Here › How to Ask · 2 Apr 2026 · 0 likes Worth separating two things that post #68 runs together. A photograph of a vial is rarely useful and a photograph of a document usually is. Redact the identifiers…
Bug report: the reconstitution calculator and a rounding edge case Replied, post #8 · Data & Tools › Calculators · 1 Apr 2026 · 5 likes A calculator that shows its working is worth ten that give an answer. The whole value is being able to see which step you disagree with. Not the answer, but possibly…
Completing a dose with a second syringe, and the dead-volume arithmetic Replied, post #21 · Practice › Administration · 30 Mar 2026 · 5 likes Post #18 is the version of this I will quote in future. One addition. Completing a dose is one of those subjects where the general answer and the answer for a specific…
Citation sweep results: how many references did not say what was claimed Replied, post #69 · Meta › Wiki maintenance · 30 Mar 2026 · 0 likes Careful with that. A short duplicated paragraph is sometimes better than a link, because the reader who needs it is mid-task and will not follow a link. The test is…
Second pass at: Identical chromatograms across two different lots Replied, post #90 · Sourcing › Red flags · 24 Mar 2026 · 7 likes Practical note on Identical chromatograms: write down what you expect before you look. The number of times I have found what I went looking for is higher than chance…
Which fields on a certificate actually matter, ranked Replied, post #22 · Analytics › COA interpretation · 17 Mar 2026 · 1 like Reading old certificates: if a certificate is dated years ago, the lot it describes might be old. That is not automatically a problem but it is worth noting. Fresh…
Managing an unplanned gap in supply Replied, post #59 · Access › Shortages · 13 Mar 2026 · 0 likes Regional differences during a shortage are large, and a supply position in one country says nothing about another. I would hold that lightly until someone with a larger…
Recording a dissent on a document rather than suppressing it Replied, post #7 · Documentation › Doc review · 9 Mar 2026 · 1 like Where I part company with post #5, and it is a narrow parting. A definition problem is doing most of the work in this recording a dissent discussion. Once the term is…
Subgroup analyses: pre-specified versus discovered — a second dataset Replied, post #3 · Evidence › Trials · 6 Mar 2026 · 0 likes Post #2 is the version of this I will quote in future. One addition. Subgroup analyses looks different depending on whether you are reading the primary literature or…
Reading a syringe in poor light, and how to avoid needing to — what changed since Replied, post #2 · Devices › Syringes & needles · 23 Feb 2026 · 0 likes Check what the graduations actually say rather than what you expect. A syringe marked in units and one marked in millilitres look similar at a glance and are not the…
Mass error in ppm: the arithmetic and the caveat Replied, post #2 · Analytics › Mass spectrometry · 11 Feb 2026 · 2 likes An acylated peptide has a mass that reflects the modification, so comparing against the mass of the unmodified backbone gives a mismatch that is not an error. I would…
Waist circumference technique and its repeatability Replied, post #49 · Outcomes › Progress reports · 9 Feb 2026 · 32 likes I read post #45 twice before replying, because I had assumed the opposite. What I can speak to on waist circumference technique is narrow, so I will keep it narrow…
A plateau that disappeared when I changed how I measured Replied, post #13 · Outcomes › Progress reports · 4 Feb 2026 · 0 likes Two claims get bundled together under plateau and they need separating. The descriptive one — this is what was observed — is usually well supported. The causal one —…
Research-use-only labelling: what it means and what it does not Replied, post #83 · Sourcing › Regulatory · 5 Jan 2026 · 7 likes Understood, and I withdraw the assumption I opened with.
Oral semaglutide bioavailability and its variability between people Replied, post #25 · Compounds › Oral incretins · 2 Jan 2026 · 8 likes Post #22 answers the question as asked. The question underneath it is different. Oral versus injectable exposure: comparing a 14 mg oral dose with a 0.5 mg injectable…
Follow-up: A supplier that answers analytical questions with restated claims Replied, post #33 · Sourcing › Red flags · 31 Dec 2025 · 0 likes Inconsistency across documents: a certificate stating one purity, a website claiming another, and a supplier's verbal representation claiming a third, all on the same…
Follow-up: Evidence quality in the secretagogue literature: an honest assessment Replied, post #5 · Compounds › Secretagogues & GH axis · 27 Dec 2025 · 25 likes Post #2 answers the question as asked. The question underneath it is different. The most useful thing anyone has posted about Evidence quality in this category was a…
Pregnancy and pregnancy planning: contraindication and washout Started this topic · Clinical › Special populations · 24 Dec 2025 · 4 likes Posting this under the heading it deserves: Pregnancy and pregnancy planning: contraindication and washout Everything below is what sits behind that. Pregnancy and…
Price changes over 2025 and 2026, tabulated and dated — does this still hold? Replied, post #43 · Access › Pricing · 22 Dec 2025 · 0 likes Everything in post #39 holds. The case it does not cover is the one I have. The documentation on Price changes is better than this thread and I say that as someone who…
Guidelines revision: what changed and why — one year on Replied, post #48 · Meta › Announcements · 19 Dec 2025 · 3 likes Answering the question post #45 raises rather than the one it answers. Speaking only to Guidelines revision as I have actually seen it, rather than as it is usually…
Semaglutide half-life: where the 165 to 184 hour figure comes from Replied, post #66 · Compounds › Semaglutide · 10 Dec 2025 · 9 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…
Tracking a preprint to publication: a worked example Replied, post #48 · Evidence › Preprints · 4 Dec 2025 · 15 likes Taking post #47 at face value and following it one step further. What changes between preprint and publication: authors respond to reviewer comments, re-analyse data,…
A history of disordered eating: proceeding carefully Replied, post #19 · Wellbeing › Mental health · 3 Dec 2025 · 6 likes Adding the measurement that post #18 says would settle it. Summarising the history of disordered eating thread so far, since it is long and the answer is buried: the…
Severe gastroparesis and why this class is a poor fit — one year on Replied, post #13 · Safety › Contraindications · 28 Nov 2025 · 30 likes Post #11 answers the question as asked. The question underneath it is different. I have no financial interest in anything named in this thread and I want to say so…
[2026 update] How much of the diluent volume the powder itself displaces Replied, post #73 · Practice › Reconstitution · 26 Nov 2025 · 7 likes Do not shake. Swirl, or leave it. Vigorous agitation introduces air and shear, and neither helps a peptide go into solution any faster than patience does.
Sequence verification for an obscure compound: how it is done — what changed since Replied, post #54 · Compounds › Other compounds · 24 Nov 2025 · 0 likes My understanding of Sequence verification is a few years old and may have been superseded. If it has been, I would genuinely like to know rather than keep repeating it.
How to ask about something you suspect is a bad idea Replied, post #25 · Start Here › How to Ask · 15 Nov 2025 · 0 likes Coming back to post #23, because the follow-up matters more than the original answer. It is fine to say you cannot explain why you are asking. Nobody will press, and…
How to read a phase 2 result without treating it as a phase 3 result — what changed since Replied, post #16 · Compounds › Retatrutide · 14 Nov 2025 · 27 likes Hepatic effects: glucagon receptor agonism promotes hepatic fat oxidation, which is mechanistically plausible for benefit in metabolic liver disease. Whether that…
Thyroid function tests during substantial weight change Replied, post #127 · Clinical › Bloodwork · 9 Nov 2025 · 0 likes I had read the opposite somewhere and cannot now find where, which tells me something.
Second pass at: How to ask a question when you cannot say why you are asking it Replied, post #30 · Start Here › How to Ask · 7 Nov 2025 · 0 likes Confirming post #27 from a second method, which matters more than confirming it from a second person. Context that matters: compound, how long in, current dose,…
[2026 update] Are there stupid questions here? A staff answer, at length Replied, post #7 · Start Here › Welcome · 4 Nov 2025 · 1 like Introducing yourself is fine and requires no question. Post in this subcategory, describe the context that matters for why you are here, and lurk for a bit before…
The headache that turns out to be dehydration Replied, post #27 · Nutrition & Training › Hydration & electrolytes · 18 Oct 2025 · 0 likes Post #25 and I disagree about the size of the effect, not about the direction. Symptoms attributed to electrolytes here are non-specific and overlap with dehydration,…
Specificity, linearity, accuracy, precision, range, robustness — with real criteria — a… Replied, post #33 · Analytics › Method validation · 18 Oct 2025 · 1 like Noted, and I have changed what I was going to do on the strength of it.
Publishing an inconvenient result: a case study — the long version Replied, post #10 · Sourcing › Independent verification · 15 Oct 2025 · 1 like I disagree with the framing of Publishing an inconvenient result above, and I think it is a substantive disagreement rather than a terminological one. Setting out why,…
A parcel that arrived warm: a decision process, not a verdict Replied, post #59 · Practice › Storage & stability · 29 Sep 2025 · 3 likes Temperature excursions in transit are common and are not all equal. A few hours warm is a different event from three days warm, and neither is visible in the vial on…
What a purity-only report leaves out Replied, post #28 · Sourcing › Independent verification · 28 Sep 2025 · 0 likes The record shows what was measured. Everything beyond that is inference and this site tries to keep the line visible. I would want the raw data before agreeing with my…
Reading SURMOUNT-1 without the press release — one year on Replied, post #8 · marked as the solution · Compounds › Tirzepatide · 14 Sep 2025 · 24 likes Building on post #7 rather than restating it. I would rather this thread reach "we do not know" about Reading SURMOUNT-1 without the press than reach a confident answer…
Documenting an adverse event properly Replied, post #8 · Safety › Adverse events · 14 Sep 2025 · 11 likes That is consistent with mine, for whatever one more account is worth.
Why catalogue breadth is not evidence of anything — what changed since Replied, post #31 · Compounds › Other compounds · 30 Aug 2025 · 13 likes This is the first time the answer has come with its own limits attached. Appreciated.
Follow-up: Journal club: orforglipron phase 2 and the non-peptide question Replied, post #31 · Evidence › Journal club · 19 Aug 2025 · 19 likes Post #27 describes the usual case. This is about the unusual one. Reading order that works for these sessions: registry entry, methods, baseline table, primary result,…
Revisiting: Filing a first vendor report: a worked example Replied, post #3 · Sourcing › Vendor reports · 19 Aug 2025 · 27 likes Post #2 is the version of this I will quote in future. One addition. The service matters to the interpretation. A documentation review and a chromatographic assay…
Revisiting: List price versus negotiated price versus what you pay Replied, post #25 · Access › Pricing · 10 Aug 2025 · 32 likes Price differences within a market are usually about scale, documentation and logistics rather than about anything mysterious.
What this community means by "a source", in practical terms Replied, post #64 · Start Here › Welcome · 9 Aug 2025 · 12 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
[2026 update] An appeal that failed, and what I would do differently Replied, post #140 · Access › Insurance & coverage · 16 Jun 2025 · 7 likes Two people in this thread mean different things by appeal and are disagreeing about the definition while believing they are disagreeing about the facts. Worth pausing…
Risk-of-bias tools and the judgement they conceal Replied, post #5 · Evidence › Meta-analyses · 15 Jun 2025 · 0 likes The most useful thing a review can publish is the excluded-studies table with reasons. It is where the judgement is and it is almost always in a supplement. Posted with…
A well-designed study with a badly written abstract Replied, post #121 · Evidence › Study critique · 1 Jun 2025 · 0 likes If someone has run well-designed study properly I would rather read that than my own reconstruction of it. Posting mine only because the thread has gone quiet.
[2026 update] Clearance pathways and what renal impairment changes Replied, post #17 · Pharmacology › Pharmacokinetics · 27 May 2025 · 9 likes Adding a reference point for Clearance pathways. Mine is a single case, collected without controls, and I am posting the method alongside it so it can be discounted…
Reading a rodent study on a secretagogue without over-extrapolating Replied, post #9 · Compounds › Secretagogues & GH axis · 24 May 2025 · 0 likes Post #8 is right about the mechanism and I think understates the practical bit. Evidence quality in the secretagogue literature is honestly weaker than in the incretin…
Follow-up: The decimal-point error, and the habit that catches it Replied, post #3 · Practice › Reconstitution · 22 May 2025 · 0 likes If someone has run decimal-point error properly I would rather read that than my own reconstruction of it. Posting mine only because the thread has gone quiet.
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ Replied, post #125 · Sourcing › Independent verification · 20 May 2025 · 14 likes The arithmetic in post #122 is right; the assumption feeding it is the part to check. Janoshik has a well-known answer and a correct answer, and the interesting work is…
Cost per milligram, computed honestly across formats — the long version Replied, post #100 · Access › Pricing · 14 May 2025 · 26 likes Post #96 put the caveat in the right place and I want to underline it. Pharmacy acquisition cost: a pharmacy pays less than the patient pays, even at insurance rates.…
Why one laboratory's 98.4% and another's 96.1% may not contradict Replied, post #6 · Analytics › Method validation · 11 May 2025 · 1 like The most useful single question about a method: what would it fail to detect? Every method has an answer and few documents state it. Not the answer, but possibly the…
Research-use-only labelling: what it means and what it does not — the long version Replied, post #142 · Sourcing › Regulatory · 2 May 2025 · 4 likes Research-use-only labelling is worth one more sentence than it usually gets, and the sentence is the one about how the number was arrived at.
Tirzepatide in type 2 diabetes: the SURPASS programme, summarised honestly Replied, post #73 · Compounds › Tirzepatide · 30 Apr 2025 · 7 likes Where I have landed on tirzepatide in type 2 diabetes, having got it wrong once in public: the direction is clear, the magnitude is not, and anyone quoting a precise…
Scheduled maintenance and what will be unavailable Replied, post #125 · Meta › Announcements · 27 Apr 2025 · 30 likes This follows post #122 rather than contradicting it. The claim about scheduled maintenance upthread is stronger than its source supports. I have read the source. The…
Follow-up: What other technical communities get right that we do not Replied, post #55 · Lounge › Off topic · 1 Apr 2025 · 0 likes Agreed, and the corollary is that a place with no visible corrections is not a place with fewer errors.
Ipamorelin selectivity claims and where they came from Replied, post #22 · Compounds › Secretagogues & GH axis · 21 Mar 2025 · 23 likes Effects reported at the level of appetite are the most consistently described and the most mechanistically direct for the ghrelin-receptor compounds, which is not what…
Obstructive sleep apnoea and a hard endpoint in this class Replied, post #37 · Clinical › Comorbidities · 19 Mar 2025 · 21 likes Where somebody is on several medicines, the interaction question and the comorbidity question are entangled and both belong with a pharmacist. That is my reading.…
Second pass at: Cross-border purchase within the EU: the actual rules Replied, post #109 · Access › International · 19 Mar 2025 · 5 likes Understood. Thank you for being specific about the limits of it.
Charge states for a 4 kDa peptide, worked through Replied, post #124 · Analytics › Mass spectrometry · 16 Mar 2025 · 0 likes The honest summary of what a mass result buys you: it narrows the field of what the material could be, considerably. It never closes it, and no certificate should be…
Validating a method you did not develop — does this still hold? Replied, post #48 · Analytics › Method validation · 26 Feb 2025 · 0 likes Confirming post #46 from a second method, which matters more than confirming it from a second person. Two sentences on Validating a method and then I will stop, because…
A 5 mg vial and a 0.25 mg dose: the arithmetic in full — the long version Replied, post #25 · Practice › Reconstitution · 3 Feb 2025 · 0 likes This is the sort of exchange that makes the archive worth searching.
Talking to a therapist about this specifically — does this still hold? Replied, post #11 · Wellbeing › Mental health · 30 Jan 2025 · 0 likes If you are in crisis, contact a local emergency or crisis service rather than posting. A volunteer forum cannot help and waiting costs time.
Revisiting: What a well-designed human trial of a secretagogue would look like Replied, post #49 · Compounds › Secretagogues & GH axis · 25 Jan 2025 · 16 likes A mass result for a short peptide is more discriminating than for a long one, because a single residue difference is a larger proportion of the total. That makes…
SURPASS-2 and the comparator dose question that will not go away Replied, post #111 · Compounds › Tirzepatide · 22 Jan 2025 · 9 likes Post #107 put the caveat in the right place and I want to underline it. The 2.5 mg starting dose is not a therapeutic dose in the sense that weight loss is minimal at…
Second pass at: How to research a compound with no human data without deceiving yourself Replied, post #14 · Compounds › Other compounds · 19 Jan 2025 · 10 likes Sequence verification: for an obscure compound, a report of the amino acid sequence or a mass-spectrometry result confirming the mass is the only verification that…
Follow-up: Individual participant data versus aggregate data Replied, post #91 · Evidence › Meta-analyses · 11 Jan 2025 · 0 likes When trials differ in population, duration and comparator, the pooled estimate answers a question no individual trial asked. That is worth saying before the number is…
[2026 update] Journal club: SURPASS-2 and the semaglutide 1 mg comparator Replied, post #76 · Evidence › Journal club · 30 Dec 2024 · 24 likes Where the group cannot agree, record the disagreement rather than resolving it by seniority. The recorded disagreement is more honest and more useful later.
Revisiting: Semaglutide formulation: what is in the licensed product besides the peptide Replied, post #52 · Compounds › Semaglutide · 28 Dec 2024 · 0 likes Research-use-only semaglutide is not a licensed medicine, is not manufactured to pharmaceutical standards, and is not approved for human use. That is a statement about…
Molecular mass of semaglutide and why the figure differs between sources — does this… Replied, post #14 · Compounds › Semaglutide · 19 Dec 2024 · 0 likes Counter-ion form matters for the arithmetic and is almost never stated. A vial labelled 5 mg of peptide as an acetate salt and one labelled 5 mg as trifluoroacetate do…
Follow-up: Tirzepatide's shorter half-life and its one practical consequence Replied, post #95 · Compounds › Tirzepatide · 18 Dec 2024 · 21 likes Categorical response thresholds — the proportion reaching ten, fifteen or twenty per cent reduction — are more persuasive and less informative than the mean. They…
Here for the analytics and not much else — one year on Replied, post #9 · Lounge › Introductions · 17 Dec 2024 · 4 likes Clinician voices are genuinely welcome and are asked to be explicit about the line. Several members here say plainly in every post that they are describing general…
Body image changing more slowly than the body Replied, post #4 · Wellbeing › Mental health · 10 Dec 2024 · 0 likes I have been on both sides of the body image argument in this category within eighteen months, which should tell you how strong the evidence for either side is.
[2026 update] Step therapy requirements and how to satisfy them Replied, post #3 · Access › Insurance & coverage · 23 Oct 2024 · 2 likes Keep every document with dates in one place. An appeal months later is assembled from whatever you kept. That is a description of practice, not a recommendation of it.
Promotion criteria, and the one that stops most nominations Replied, post #87 · Documentation › Doc review · 16 Oct 2024 · 22 likes The most useful reply I ever got about promotion criteria was a request to state my units. It sounds like pedantry and it has saved me twice.
Follow-up: A site rotation scheme that is easy enough to actually follow Replied, post #70 · Practice › Administration · 1 Oct 2024 · 0 likes The arithmetic in post #69 is right; the assumption feeding it is the part to check. Practical experience of site rotation scheme, offered as one case with the…
High-resolution MS on aggregates and what it can see — one year on Replied, post #48 · Analytics › Mass spectrometry · 19 Aug 2024 · 23 likes Adding thanks rather than a view. I do not have a view worth the space.
Circumference measurements as a poor man's composition estimate Replied, post #31 · Outcomes › Body composition · 31 Jul 2024 · 11 likes Comparing a body composition result against a population reference is a different exercise from tracking your own change, and the second is what most people want. I…
Guidelines revision: what changed and why Replied, post #84 · Meta › Announcements · 27 Jul 2024 · 0 likes The arithmetic in post #83 is right; the assumption feeding it is the part to check. Taking guidelines revision seriously for a moment rather than deflecting: the…
Guidelines revision: what changed and why Replied, post #67 · Meta › Announcements · 27 Jul 2024 · 0 likes Everything in post #65 holds. The case it does not cover is the one I have. Reading the changed pages: the diff is smaller than the announcement implies, which is…
How to ask for a dose change without antagonising anyone Replied, post #8 · marked as the solution · Clinical › Prescriber conversations · 24 Jul 2024 · 22 likes Prescription logistics: confirm whether it will be filled locally, requires mail order, or will be prescribed off-label and needs a compounding pharmacy. Different…
Splitting a weekly dose in two: the pharmacokinetic argument against — the long version Replied, post #62 · Practice › Dosing & titration · 8 Jul 2024 · 1 like Coming back to post #60, because the follow-up matters more than the original answer. If symptoms reset at each step, that is the expected pattern rather than a sign…
The mass-error checker and its intended scope Replied, post #46 · Data & Tools › Calculators · 12 Jun 2024 · 27 likes Two claims get bundled together under mass-error checker and they need separating. The descriptive one — this is what was observed — is usually well supported. The…
The mass-error checker and its intended scope Replied, post #11 · Data & Tools › Calculators · 25 May 2024 · 0 likes Before the thread moves on from mass-error checker — what is the sample size behind the claim? I am not being difficult; I have seen the same figure quoted from an n of…